CN104991319A - Switch module controlling and adjusting photoelectric signals to be input into device - Google Patents

Switch module controlling and adjusting photoelectric signals to be input into device Download PDF

Info

Publication number
CN104991319A
CN104991319A CN201510293788.4A CN201510293788A CN104991319A CN 104991319 A CN104991319 A CN 104991319A CN 201510293788 A CN201510293788 A CN 201510293788A CN 104991319 A CN104991319 A CN 104991319A
Authority
CN
China
Prior art keywords
light
smd
pipe
optical gate
prism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510293788.4A
Other languages
Chinese (zh)
Other versions
CN104991319B (en
Inventor
郎欢标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dong Guan Longideal Industrial Co ltd
Original Assignee
Dong Guan Longideal Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dong Guan Longideal Industrial Co ltd filed Critical Dong Guan Longideal Industrial Co ltd
Priority to CN201510293788.4A priority Critical patent/CN104991319B/en
Priority to PCT/CN2015/083209 priority patent/WO2016192170A1/en
Publication of CN104991319A publication Critical patent/CN104991319A/en
Application granted granted Critical
Publication of CN104991319B publication Critical patent/CN104991319B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Push-Button Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

The invention relates to a photoelectric light-guide switch module controlling and adjusting photoelectric signals to be input into a device. According to the invention, an SMD IR tube and an SMD PT tube are adopted as an optical signal transmitting and receiving device. A light guide tube or an optical fiber structure is utilized for realizing the switching off and switching on of the photoelectric switch and the precise control of intensity of the photoelectric signals. The photoelectric light guide switch module includes a cross-shaped mechanical shaft, a spring and an upper shell and a lower shell having a buckling lock structure. The switch module also includes the SMD IR tube, a coupling component, a light guide tube or an optical fiber, a focusing part, the SMD PT tube and a prism, a light gate or other switch control components in linkage with a mechanical key shaft. According to the invention, the switching on and off of the photoelectric switch can be realized through moving the switch control component relative to the light guide tube or the optical fiber. Also, linear control of photoelectric signals is realized and game players can feel speed and power in game operation. The switch module is especially suitable for game players.

Description

A kind of control and adjustment photosignal are used for the switch module of input equipment
Technical field
The present invention relates to photoelectricity light-guiding type mechanical axis keyboard switch and a kind of photoelectricity light-guiding type game mouse device keyswitch, particularly relate to a kind of control and regulate photosignal for the photoelectricity light-guiding type switch module of input equipment.
Background technology
Photoelectric key board is technology emerging in recent years, and it adopts brand-new optoelectronic induction recognition technology, and traditional Metal Contact shell fragment is replaced with optical sensor assembly, some problems of the easy wear damage of improvement conventional contact mechanical switch.It utilizes optical principle and photoelectric coupling technology, from the path forming light between light-emitting component and photoelectric sensor, switch block triggers photoelectric sensor in the cut-out carrying out light path and closing course, the low and high level signal changing circuit resistance value completing circuit controls, thus realize the conversion of photoelectricity, and then the disconnection of gauge tap and path.
Publication No. CN2069165U proposes a kind of photoelectric key board of optical fiber type, and it is made up of, as Fig. 1 button 1, cover plate 2, back up pad 3, filling elastic material 4, light transmitting fiber 5, base plate 6, light source 8.The simplest profile of button can make T font, bottom is inserted in the space formed by the guide plate in back up pad 3, the corresponding such space of each key, by light transmitting fiber in back up pad lower surface arrangement, by conducting or the disconnection of the optic fibre light path realized below button that moves up and down of T-shaped key, make the light activated element generation respective change of 2 optical fiber connectors anyhow, thus export the address code of respective keys, after hand leaves button, button resets by the elastic filling material oneself in back up pad.The photoelectric key board of this optical fiber type has the advantages such as structure is simple, volume is little, lightweight, noise is little, anti-electromagnetic interference (EMI).
But at present all there is following shortcoming in the PKB photoelectric keyboard of existing fiber formula: 1. back up pad 3 arranged beneath launching fiber and receive the condenser system that optical fiber does not all arrange collimate light and collector lens, due to larger (the generally multimode optical fiber NA of the lighting angle of fiber end face, namely the scope of numerical aperture is generally between 0.18-0.23), and launching fiber and receive optical fiber and lay respectively at the both sides of T font key axle, the space of at least key axle size in interval between transmitting terminal and receiving end, it is stopped or conducting light path by moving up and down of key axle, because the thickness of key axle generally at least needs more than 1 millimeter, this results in launching fiber lower to the coupling efficiency receiving optical fiber, it only has sub-fraction just can be coupled into reception optical fiber from launching fiber light out.2. button adopts more than 2 modes be cascaded, and determine which button is pressed by the addressing of XY, a problem can be caused like this: due to the launching fiber below each button and the optical coupling loss that receives between optical fiber larger, connect the several button groups in upper same light path in length and breadth simultaneously, this structure can allow can be relatively weak near that push button signalling of circuit tail end, cause the keystroke sensitivity of circuit tail end to reduce, easily occur the phenomenon that false touch is dynamic.3. elasticity is easily aging after filling just material over time use, and cause elastic break-down, button resilience sluggishness is astringent, causes the sensitivity decrease of button.4. to fill the speed of upspringing of just material comparatively slow relative to mechanical spring for elasticity, do not have drop sense, its screen resilience is less, switching over slow motion, insensitive, feel is bad, is not suitable for computer game keyboard.。
Summary of the invention
Based on the problems referred to above, the invention provides a kind of control and regulate photosignal for the switch module of input equipment, utilize light pipe or optical fiber structure to the accurate control of the disconnection and path that realize optoelectronic switch, and the power of photosignal is effectively controlled and regulated.
According to an aspect of the present invention, there is provided a kind of control and regulate photosignal for the switch module of input equipment, it is characterized in that, described switch module adopts SMD IR pipe and SMD PT pipe as optical signal launch and receiving trap, light pipe or optical fiber is utilized to disconnect to the light path realizing optoelectronic switch in conjunction with the structure of switch optical control assembly, conducting, and the accurate control of photosignal power, described photoelectricity light-guiding type switch module, its switch optical control assembly is prism, free-form surface lens, and optical gate, it links together with axle key, described photoelectricity light-guiding type switch module, it to disconnect and except conducting except the light path that can realize optoelectronic switch by the relative position of moving switch control assembly and light pipe or optical fiber, photosignal can also be realized by weak to controlling by force or by strong extremely weak linear relationship.
Wherein, described switch module comprises that SMD IR manages (17), the prism with free form surface (141), light guide (151) and the SMD PT that link together with key axle manage (18) and form.
Wherein, described free-form surface lens is aspheric surface or the polynomial surface of inclined shaft, for the light sent from SMD IR pipe (17) being converged to the micro-structure surface (141-1) on the right of prism.
Wherein, the micro-structure surface (141-1) of described prism is serrate total reflection Fresnel surface, or for there is total reflection or the microprism array face of part reflecting effect, microlens array or being blazed grating, for the light that the incidence of refractive curvature is from below come, carry out being totally reflected or part reflection makes light ray bending and collimation exports from the end face on limit on the left of prism.
Wherein, the lower position of described prism (141) left side end face has the light barrier (141-2) of a slice black, its with combine with free curved surface prism (141), and to link together with cross key axle (14).
Wherein, when button pressed, cross key axle joins same free curved surface prism (141) and moves down together, some positions are moved to when pressing down, make free curved surface prism (141) left side output end face a part of on time with the right input end face of the light guide (151) be positioned on the left of it, from the light that SMD IR pipe (17) sends, after the refractive curvature of the inclination of free curved surface prism (141) below reflects and deflects, converge on the micro-structure surface (141-1) on the right of prism, the light that incidence is come by micro-structure surface (141-1), carry out being totally reflected and transfer and the end face output collimated on the left of prism.The light part exported from free curved surface prism (141) is coupled to the light guide (151) in left side, through deflection and the conduction of light guide (151), the Fresnel surface (151-1) passed through again below it is assembled, last convergence of rays is managed on (18) to the SMD PT of below, and light path realizes conducting;
When button continues to press down, the part that free curved surface prism (141) left side output end face is aimed at the right input end face of the light guide be positioned on the left of it (151) gets more and more, SMD PT manages the light assembled in (18) and gets more and more, and its current signal produced is just more and more stronger;
When cross key axle presses to 4 ~ 4.3mm, free curved surface prism (141) left side output end face is aimed at completely with the right input end face of the light guide be positioned on the left of it (151), at this moment SMD PT manages (18) upper light assembled at most, and therefore its current signal produced reaches the strongest state;
When switch upwards resilience time, light barrier (141-2) below the output end face of free curved surface prism (141) left side starts the light blocking directive light guide (151), it is more and more weak that SMD PT manages the photosignal produced in (18), until cut off photosignal completely.
Wherein, when button pressed is to 2mm, starts to trigger SMD PT and manage and reduce this SMD PT and manage resistance between C pole on (18) and E pole, realize the conducting between C pole and E pole; Press down scope from 2mm to 4.30mm, electric current increases linear rising according to depressed position, and when button pressed is to 4mm ~ 4.30mm position, current signal reaches the strongest.
Wherein, the light barrier (141-2) below the output end face of described free curved surface prism (141) left side, itself and free curvature prism (141) are combined, and it is ferrous metal sheet or black film; Described free curved surface prism (141), its material is transparent optical plastics, and the cross key axle (14) therewith linked, it is clear plastic resin or the plastic resin for shades of colour, cross key axle (14) and free curved surface prism (141) adopt and combine both with single clear plastic resin injection molding, or adopt extra quality integrated injection molding.
Wherein, described light guide, it is light pipe or plastic optical fiber, and its diameter is between 0.5mm ~ 3mm.
Wherein, the optical system of another part described in it is centering type keycap character illuminator, it adopts SMD LED (19) in conjunction with the structure of centering type light guide (153), this centering type keycap character illuminator, the misalignment with keycap character is arranged in the position of SMD LED (19) and light guide (153) by it, light guide (153) bottom is near LED, the coupling light of SMD LED (19) is allowed to enter light guide (153), light guide (153) can arbitrarily bend as required, arrange according to the scope allowed by bond space, its upper surface is towards the direction of keycap character center, illuminated key caps character equably, described keycap character, it is positioned on the keycap of cross key axle (14) top, described keycap, it can be the square or rectangular keycap on common computor-keyboard, or be mouse left and right press key housing.
Wherein, another kind of centering type keycap character illuminator described in it, it adopts SMD LED (19) in conjunction with the structure of centering type light-guiding pillar (253), the misalignment with keycap character is arranged in the position of SMD LED (19) and light guide (253), light-guiding pillar (253) bottom is near the part of LED, be arranged to the Fresnel curved surface (253-1) with spotlight effect, the exiting surface (253-2) with certain angle of inclination is arranged near the end face of keycap character in light-guiding pillar (253) top, namely exiting surface (253-2) is plane or the cambered surface of inclination, this special light guide is arranged on above SMD LED, realize keycap character under the state that can depart from LED and keycap character center to throw light on symmetrically, implementing principle is, by the Fresnel curved surface (253-1) of light-guiding pillar (253) bottom, the light of SMD LED is carried out optically focused and part collimation, light is by after the optics cylinder multiple reflections of light-guiding pillar (253), reflect away via the exiting surface with certain angle of inclination (253-2) on light guide again, because exiting surface (253-2) have employed plane horizontal by certain angle of inclination or cambered surface, its by the light refraction of outgoing to the reciprocal region of eccentric position, thus realize the Uniform Illumination of LED upper area and opposite area of space thereof, reach the effect that keycap character illuminates symmetrically.
Wherein, described right side SMD IR manages the caustic surface (341-3) of free form surface light-collecting prism (341) below of (17) top for having more than 1 zigzag inclined shaft Fresnel surface, described inclined shaft Fresnel surface, its optical axis is CX, and its direction toward micro-structure surface (341-1) tilts; Described inclined shaft Fresnel surface (341-3), its convergence of rays sent by SMD IR pipe (17) is on micro-structure surface (341-1); Described micro-structure surface (341-1) its be serrate total reflection Fresnel surface, or for there is total reflection or the microprism array face of part reflecting effect, microlens array or being blazed grating; It act as the light of the incidence of refractive curvature from below being come, and carries out transferring and collimate the end face output on the left of prism; The lower position of prism left end face has the light barrier (141-2) of a slice black, and itself and free curved surface prism (341) are combined, and link together with cross key axle (14).
Wherein, the described leaded light component (151) being positioned at top, left side SMD PT pipe (18), it also can be split as independent light pipe or optical fiber (451), forms in conjunction with the collector lens (452) with light-focusing function; Described collector lens (452), it is plano-convex lens or is convex-convex lens, and the SMD PT of the convergence of rays in light guide (451) to below manages in (18) by it.
Wherein, being positioned at the leaded light component (151) of top, left side SMD PT pipe (18), is free curved surface prism 551; Described free curved surface prism (551), there is one from the freely curved face total reflection face (551-1) of axle, inclination, it is off axis paraboloid mirror, quadric surface or for polynomial surface, its convergence of rays of free curved surface prism (141) incidence from right side being come is managed in (18) to the SMD PT of below.
Wherein, the SMD PT in described left side manages (18) and vertically can be placed on side by 90-degree rotation, and the optically focused part in left side is directly a collector lens (651), and it can be convex lens, or is Fresnel Lenses.
Wherein, the optical gate (741) that described keyswitch controls to comprise collector lens (754), collimation lens (751), the light pipe being positioned at optical gate (741) both sides or optical fiber (752) and light pipe or optical fiber (753), links together with key axle, and the refracting prisms (742) that what be positioned at optical gate lead to the hole site is plane, another side is inclined-plane.
Wherein, the optical gate (941) that described keyswitch controls to comprise collector lens (954), collimation lens (951), the light pipe being positioned at optical gate (941) both sides or optical fiber (952) and light pipe or optical fiber (953), links together with key axle, and (2) limit being positioned at optical gate lead to the hole site is all the refracting prisms (942) on inclined-plane.
Wherein, described keyswitch controls to comprise collector lens (1051) or (1151), collimation lens (1054) or (1055), the light pipe (1052) being positioned at optical gate (1041) or (1141) both sides or optical fiber (1152) and light pipe (1053) or optical fiber (1154), the optical gate (1041) linked together with key axle or (1141), and what be positioned at optical gate lead to the hole site is plane, another side is zigzag straight burr Fresnel Lenses (1042) or (1142).
Wherein, described keyswitch controls can by collector lens (1254), collimation lens (1251), the light pipe being positioned at optical gate (1241) both sides or optical fiber (1252) and light pipe or optical fiber (1253), the optical gate (1241) that links together with key axle, and the both sides being positioned at optical gate lead to the hole site are that zigzag straight burr Fresnel Lenses (1242) realizes.
Wherein, described keyswitch control can collector lens (1354) or (1454), collimation lens (1351) or (1451), the light pipe (1352) being positioned at optical gate (1341) or (1441) both sides or optical fiber (1452) and light pipe (1353) or optical fiber (1453), link together with key axle, the optical gate (1341) with a through hole (1342) or (1442) and or (1441) realize; The light guide of described optical gate both sides, it can be coaxial setting, and it also can be arranged for non-coaxial.
Wherein, described keyswitch controls to be realized by the combination of the oblique cubic total reflection prism (1554) of collector lens (1551), the light pipe being positioned at optical gate (1541) both sides or optical fiber (1552) and light pipe or optical fiber (1553), 2 secondary reflections and the optical gate (1541) with a through hole (1542) and.
Wherein, the optical gate (1641) that described keyswitch controls pass through free curved surface prism (1651), setting has a porosity characteristics (1642) and the light guide (1652) being positioned at optical gate opposite side realize.
Wherein, the optical gate (1741) that described keyswitch controls pass through collector lens (1754), collimation lens (1751), setting have a porosity characteristics (1742) and be positioned at optical gate both sides and there are two mirror tunnel (1752) of light reflectance signature (1752-1) and (1753-1) and (1753) realize.
Wherein, described keyswitch controls to pass through collector lens or collimation lens (1851), setting has the optical gate (1841) of a porosity characteristics (1842), SMD PT pipe (18) on the left of it vertically can be placed on side by 90-degree rotation, the optically focused part in left side is directly a collector lens (1853), it can be convex lens, or be Fresnel Lenses, and be positioned at and on the right side of optical gate, there is light reflectance signature (1852-1) mirror tunnel (1852) and realize.
Wherein, described mirror tunnel (1752) and (1753) and (1852), can for having light reflectance signature mirror tunnel, also can for having the optical prism of light total reflection feature.
Wherein, described keyswitch controls by the multimode optical fiber (1952) of the 1/2 cycle GRIN Lens (1951) and (1954) and optical communication that are positioned at the optical communication of optical gate (1941) both sides and (1953) and to realize with the optical gate of a lenticular lens features (1942).
Wherein, described keyswitch controls by the GRIN Lens (2053) in the multimode optical fiber (2052) of the GRIN Lens (2051) and (2056) and optical communication that are positioned at 1/2 cycle of the optical communication of optical gate (2041) both sides and (2055), 1/4 cycle and (2054) and to realize with the optical gate with a porosity characteristics (2042) that key axle links.
Wherein, described keyswitch controls can as required by controlling and regulating the state of photosignal to arrange completely conversely, and namely when button continues to press down, it is fewer and feweri that SMD PT manages (18) upper light assembled, and the current signal of generation is more and more weak; When button pressed is to about 4.30mm, light path disconnects completely, and SMD PT manages (18) and do not receive light, and its current signal produced is zero; When switch upwards resilience time, light path starts conducting, and it is more and more stronger that SMD PT manages the photosignal produced in (18), and when spring loosens completely, photosignal reaches the strongest state; The change procedure of photosignal is proportional being changed by strong extremely weak linear relationship with button pressed stroke, and backhaul is changed by weak extremely strong linear relationship.
Wherein, described keyswitch controls can by the optical gate (2141) being positioned at the light pipe (2151) of optical gate both sides and (2352) or optical fiber (2152) and (2251), link together with key axle, what be positioned at optical gate lead to the hole site is plane, another side is the refracting prisms (2142) on inclined-plane or be plane, another side is that zigzag Fresnel Lenses (2242) realizes; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
Wherein, described keyswitch controls to be managed (18) by the SMD PT being positioned at the light pipe (2352) of optical gate side or optical fiber (2451), the optical gate (2341) linked together with key axle or (2441), 90-degree rotation are vertically placed, and Fresnel collimation lens (2351) or (2452) realize; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
Wherein, described keyswitch controls to pass through freely curved face total reflection prism (2551), the optical gate (2541) linked together with key axle, the light pipe of optical gate opposite side or optical fiber (2552) and realizes; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
Wherein, described keyswitch controls to be realized by collimation Fresnel Lenses (2651) and (2654), two mirror tunnel (2652) with light reflection mirror feature (2652-1) and (2653-1) and (2653), the optical gate (2641) that links together with key axle; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
Wherein, the SMD PT that described keyswitch controls vertically to be placed by collimation Fresnel Lenses (2751), one-sided mirror tunnel (2752), the optical gate (2741) linked together with key axle, the 90-degree rotation with light reflection mirror feature (2752-1) manages (18), and Fresnel collimation lens (2753) realizes; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
Wherein, the described position pressing down the light path triggering and conducting of movement is be greater than 0.10 to the arbitrary size be less than between 10.00mm; Be pressed under described cross key axle between distance range 2.0 ~ 4.3mm, strength of current can according to the linear rising of the increase of depressed position, realize in this distance range by this cross key axle mobile by photosignal by weak to strong and by strong to weak control, this distance range is 2.0 ~ 4.3mm, and this distance range also can be set to be greater than 0.20 to the arbitrary size be less than between 15mm.
Wherein, the position that described light path disconnects completely is 4.30mm, and this also can be set to be greater than 0.20 to the arbitrary size be less than between 15.00mm according to demand.
Control of the present invention and adjustment photosignal are used for the switch module of input equipment, photoelectric sense technology and echanical shaft system combine by it, utilize light pipe or optical fiber structure to the accurate control of the disconnection and path that realize optoelectronic switch, and the power of photosignal is effectively controlled and regulated, it has following advantage and novelty: 1. core technology of the present invention adopts SMD IR to manage (surface-pasted infrared diode, or laser diode) and SMD PT manage (surface-pasted photoelectric receiving tube) as launch and receiving trap, in conjunction with light pipe or optical fiber, realize the disconnection of optoelectronic switch, path, and the accurate control of photosignal power.2. product switch module of the present invention adopts disconnection and the path of pure photoelectric device gauge tap, and without the need to mechanical type hard contact, can not be subject to the impact of contact wear and deterioration by oxidation, long service life, can meet high-frequency and apply for a long time.3. product switch module of the present invention adopts the precision optics prism or optical gate (light barrier) structure that link together with mechanical axis, accurate switch triggering position control can be realized, the trigger position control accuracy of existing pure mechanical axis keyboard is +/-0.40 ~ 0.60mm, the technology of the present invention effectively can realize the switch triggering position control of +/-0.10mm, higher 4 ~ 6 times than the trigger position precision of existing pure mechanical axis keyboard, realize keyboard sense of touch quality stability, 4. photoelectricity light-guiding type mechanical axis keyboard is after use is long-time, and handfeel of keys change is very little, and traditional mechanical keyboard then cannot reach, 5. this photoelectricity light-guiding type mechanical axis keyboard, when its key axle presses down certain distance, the switch control section (prism or light barrier) linked with key axle is coupled with light pipe or optical fiber, switch module will be triggered and conducting, continue pressure switches parts and can realize the more and more stronger function of photosignal, and when switch upwards resilience time, photosignal is more and more weak, until cut-out photosignal, power and the stroke proportionate relationship linearly pressed down of photosignal, the switch module of this technology is applied to gamepad and game mouse device, can allow player embody when playing games game in speed and strength (as racing car Throttle Opening Control, the strength of boxing, to play the control of various action), feel to be really true to life, therefore be applicable to very much game player to use, 6. use high-quality piano wire spring, anti-fatigue performance be better, screen resilience is large, switching over action sooner, sensitiveer, feel is better, 7. electric signal jitter problem when there is not Mechanical Contact, odds and ends news, switch motion time zero postpone, and operates sensitiveer, fast and accurate.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows the structural representation of existing a kind of PKB photoelectric keyboard.
Fig. 2 shows the explosive view such as axle side such as grade of the photoelectricity light-guiding type mechanical axis keyboard switch module of the first embodiment of the present invention.
What Fig. 3 showed the photoelectricity light-guiding type mechanical axis keyboard switch module of the first embodiment of the present invention faces explosive view.
Fig. 4 shows the sectional view of photoelectricity light-guiding type mechanical axis keyboard switch module along A-A direction of the first embodiment of the present invention.
Fig. 5 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the first embodiment of the present invention.
Fig. 6 shows the photoelectricity light-guiding type mechanical axis bond switching module of the first embodiment of the present invention, the relation curve of signal power and button pressed stroke.
Fig. 7 shows the sectional view of photoelectricity light-guiding type mechanical axis keyboard switch module along O-B direction of the first embodiment of the present invention.
Fig. 8 shows the guide-lighting principle of the centering type keycap character illuminator of the first embodiment of the present invention
Fig. 9 shows the guide-lighting principle of the centering type keycap character illuminator of the second embodiment of the present invention
Figure 10 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the third embodiment of the present invention.
Figure 11 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the fourth embodiment of the present invention.
Figure 12 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the fifth embodiment of the present invention.
Figure 13 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the sixth embodiment of the present invention.
Figure 14 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 7th and eight embodiments of the present invention.
Figure 15 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the ninth embodiment of the present invention.
Figure 16 shows the of the present invention tenth and 11 switch control rule principles of photoelectricity light-guiding type mechanical axis bond switching module of embodiment.
Figure 17 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 12nd embodiment of the present invention.
Figure 18 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 13 and 14 embodiments of the present invention.
Figure 19 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 15th embodiment of the present invention.
Figure 20 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 16th embodiment of the present invention.
Figure 21 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 17 and 18 embodiments of the present invention.
Figure 22 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 19th embodiment of the present invention.
Figure 23 shows the feature of the light transmition of GRIN Lens.
Figure 24 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 20th embodiment of the present invention.
Figure 25 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 21 and 22 embodiments of the present invention.
Figure 26 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 23 and 24 embodiments of the present invention.
Figure 27 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 25th embodiment of the present invention.
Figure 28 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 26th embodiment of the present invention.
Figure 29 shows the switch control rule principle of the photoelectricity light-guiding type mechanical axis bond switching module of the 27 and 28 embodiments of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is described in detail.
Photoelectricity light-guiding type mechanical axis keyboard switch involved in the present invention, its specific embodiments 1 wait axle side explosive view, face explosive view and along the sectional view in A-A direction respectively as shown in Fig. 2, Fig. 3 and Fig. 4.Its by the free curved surface prism 141 of the disconnection of upper shell 12, spring 13, cross key axle 14, the optoelectronic switch that links together with key axle, is used for controlling and path, light guide 151, be used for the pcb board (printed circuit board (PCB)) of the centering type light guide 153 of illuminated key caps character, lower house 16, SMD IR pipe 17 (surface-pasted infrared diode or laser diode), SMD PT pipe 18 (surface-pasted photoelectric receiving tube, the present invention is preferably infrared photodiode), SMD LED (surface-pasted light emitting diode) and bottom and form.
Specific embodiments 1 of the present invention, its optical system is divided into 2 parts, a part is for being used for the light-conducting system of the keyswitch effectively controlling and regulate photosignal, and it comprises SMD IR pipe 17, the free curved surface prism 141 linked together with key axle, light guide 151 and SMD PT pipe 18 and forms.Described free curved surface prism 141, be the refractive curvature of an inclination near SMD IR pipe 17 position below it, as shown in Figure 4, it is aspheric surface or the polynomial surface of inclined shaft, it act as and converges on the micro-structure surface 141-1 on the right of prism by the light sent from SMD IR pipe 17, described micro-structure surface 141-1 its be serrate total reflection Fresnel surface, or for having the total reflection microprism array face of effect, microlens array, or be blazed grating.It act as the light of the incidence of refractive curvature from below being come, and carries out reflection and transfers and collimate and export from the end face on the prism left side.The lower position of prism left side end face has the light barrier 141-2 of a slice black, and itself and free curved surface prism 141 are combined, and link together with cross key axle 14.
The light-conducting system of the described keyswitch being used for effectively controlling and regulate photosignal, its switch control rule principle as shown in Figure 5, when button pressed, cross key axle connection moves down together with free curved surface prism 141, when moving to some positions, make free curved surface prism 141 left side output end face a part of to punctual (the present embodiment is set as pressing down 2mm position) with the right input end face of the light guide 151 be positioned on the left of it, from the light that SMD IR pipe 17 sends, after the refractive curvature of free curved surface prism 141 inclined downward carries out reflecting and deflecting, converge on the micro-structure surface 141-1 on the right of prism, the light that incidence is come by micro-structure surface 141-1, carry out transferring and collimate and export from the end face on the prism left side.The light part exported from free curved surface prism 141 left side end face is coupled to the light guide 151 on the left of key axle, through deflection and the conduction of light guide 151, Fresnel surface 151-1 again below it assembles, last convergence of rays is on the SMD PT pipe 18 of below, when SMD PT pipe 18 receives light signal, trigger SMD PT to manage and resistance between the C pole (collector) reduced on this SMD PT pipe 18 and E pole (emitter), realize the conducting between C pole (collector) and E pole (emitter).When button continues to press down, the part that free curved surface prism 141 left side output end face is aimed at the right input end face of the light guide 151 be positioned on the left of it gets more and more, the light assembled in SMD PT pipe 18 also gets more and more thereupon, increase along with incident intensity makes the resistance between the C pole (collector) on this SMD PT pipe 18 to E pole (emitter) more and more less, and the electric current that this SMD PT pipe 18 produces is increasing.When button pressed is to about 4 ~ 4.3mm, free curved surface prism 141 left side output end face is aimed at completely with the right input end face of the light guide 151 be positioned on the left of it, at this moment the light assembled in SMD PT pipe 18 is maximum, and its current signal produced also reaches the strongest state.And when switch upwards resilience time, light barrier 141-2 below the output end face of free curved surface prism 141 left side starts the light blocking directive light guide 151, the photosignal produced in SMD PT pipe 18 is more and more weak, resistance between C pole (collector) on this SMD PT pipe 18 to E pole (emitter) is also increasing, until cut off conducting completely.This process, achieve with button pressed stroke be the photosignal of ratio by weak to strong and by the strong control to weak linear change, the switch module of this technology is applied to gamepad and game mouse device, speed and strength (as the strength of racing car Throttle Opening Control, boxing, the control of various action of playing) during player can be allowed to control when playing games to play, be therefore applicable to game player's use very much.
The current signal power that this SMD PT pipe 18 produces and the actual measurement relation curve of button pressed stroke are as shown in Figure 6, as we know from the figure, when button pressed is to 2mm, SMD PT pipe 18 starts generation current signal, from 2mm to 4mm, current signal linearly rises substantially, and when button pressed is to 4mm ~ 4.3mm, current signal reaches the strongest.When button pressed distance exceedes 4mm ~ 4.3mm position of the present embodiment setting, cross due to button pressed distance and limit position, result in free curved surface prism 141 left side output end face to misplace, so the current signal on SMD PT pipe 18 can be made to land thereupon with the right input end face generating portion of the light guide 151 be positioned on the left of it.
Light barrier 141-2 below described free curved surface prism 141 left side output end face, itself and free curvature prism 141 are combined, and it is ferrous metal sheet or black plastic sheet.Described free curved surface prism 141, its material is transparent optical plastics, and the cross key axle 14 therewith linked, it is clear plastic or the plastics for shades of colour, and itself and free curved surface prism 141 adopt the forming method of extra quality integrated injection molding or employing single plastic-injection.
Described light guide 151, it is the light pipe of injection mo(u)lding, and it also can be plastic optical fiber, and its diameter is between 1mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.So-called plastic optical fiber, its by high transparency polymkeric substance if polystyrene (PS), polymethylmethacrylate (PMMA), polycarbonate (PC) are as core material, PMMA, fluoroplastic etc. are as a type optical fiber (light transmitting fiber) of cortical material, due to its light weight, softness, damage-resistant (vibrate and bend), have again excellent pulling strengrth, durability and the little feature that takes up room, these advantages make the successful Application of plastic optical fiber in mechano-electronic particularly important.Its diameter is comparatively large, is generally more than 1mm, and coupling connecting loss is lower.Described SMD IR pipe 17, it is surface-pasted infrared diode, or surface-pasted infra-red laser diode, and its wavelength of the present invention is preferably 870nm, and in figure, the part of luminescence chip surrounding shadow is the silica gel of filling.
Described photoelectricity light-guiding type mechanical axis keyboard switch module, the optical system of its another part is centering type keycap character illuminator, it adopts SMD LED 19 (paster type light emitting type, it can be the paster LED of red, green, blue and white shades of colour) in conjunction with the structure of centering type light guide 153, as shown in Figure 7, its guide-lighting principle as shown in Figure 8 for its sectional view.This centering type keycap character illuminator, the Position Design of SMD LED 19 is become the misalignment with keycap character by it, designed by special light, as pressed close to LED by bottom light guide 153 in this specific embodiments, allow coupling light as much as possible enter optical fiber, light guide 153 can arbitrarily bend as required, arranges according to the scope allowed by bond space, its upper surface towards the direction of keycap character center, with illuminated key caps character equably.Described keycap and its character portrayed above, it is positioned at the top of cross key axle 14, does not draw here, described keycap, it can be that square keycap of Computer key, or is that irregular plastic curved surface housing of mouse right and left key, can arrange as required, its shape is unrestricted.
Described light guide 153, it can be light pipe or be plastic optical fiber, and its diameter is between 1mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Specific embodiments 2:
Photoelectricity light-guiding type mechanical axis keyboard switch module involved in the present invention, its specific embodiments 2 is its another kind of centering type keycap character illuminator, it adopts SMD LED19 (paster type light emitting type, it can be the LED of red, green, blue and white shades of colour) in conjunction with the structure of centering type light-guiding pillar 253, the Position Design of SMD LED19 is become the misalignment with keycap character, designed by special light, as in this specific embodiments by bottom light-guiding pillar 253 near the part of LED, be arranged to the Fresnel curved surface 253-1 with spotlight effect, end face near keycap character above light-guiding pillar 253 is arranged to the exiting surface 253-2 with certain angle of inclination, namely exiting surface 253-2 is plane or the cambered surface of inclination, this special light guide is arranged on above SMD LED, realize keycap character under the state that can depart from LED and keycap character center to throw light on symmetrically.Implement principle be by light-guiding pillar 253 bottom Fresnel curved surface 253-1 the light of SMD LED is carried out optically focused and part collimation, light is by after the optics cylinder multiple reflections of light-guiding pillar 253, reflect away via the exiting surface 253-2 above light guide with certain angle of inclination again, because exiting surface 253-2 have employed plane horizontal by certain angle of inclination or cambered surface, its by the light refraction of outgoing to the reciprocal region of eccentric position, thus realize the Uniform Illumination of the keycap area above LED and to space of planes, reach the effect that keycap character illuminates symmetrically.
Specific embodiments 3:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, the switch control rule principle of its specific embodiments 3 as shown in Figure 10.Light guide 151 on the left of it above SMD PT pipe 18, identical with specific embodiments 1, the present embodiment has changed into unlike the caustic surface 341-3 below the free form surface light-collecting prism 341 above right side SMD IR pipe 17 has more than 1 zigzag inclined shaft Fresnel surface, described inclined shaft Fresnel surface, its optical axis is CX, and its direction toward micro-structure surface 341-1 tilts.Described inclined shaft Fresnel surface 341-3, its convergence of rays sent by SMD IR pipe 17 is on micro-structure surface 341-1.Described micro-structure surface 341-1, it is serrate total reflection Fresnel surface, or for having the total reflection microprism array face of effect, microlens array, or be blazed grating.It act as the light of the incidence of inclined shaft Fresnel surface 341-3 from below being come, and carries out total reflection and transfers and collimate and export from the end face on the prism left side.The lower position of prism left side end face has the light barrier 141-2 of a slice black, and itself and free curved surface prism 341 are combined, and link together with cross key axle 14.
Its principle of work is: when button pressed, cross key axle connection moves down together with free curved surface prism 341, when moving to some positions, make free curved surface prism 341 left side output end face a part of to punctual (the present embodiment is set as pressing down 2mm position) with the right input end face of the light guide 151 be positioned on the left of it, from the light that SMD IR pipe 17 sends, after inclined shaft Fresnel surface 341-3 below free curved surface prism 341 reflects and deflects, converge on the micro-structure surface 341-1 on the right of prism, the light that incidence is come by micro-structure surface 341-1, carry out reflection to transfer and collimate and export from the end face on the prism left side.The light part exported from free curved surface prism 341 is coupled to the light guide 151 in left side, through deflection and the conduction of light guide 151, Fresnel surface 151-1 again below it assembles, last convergence of rays is on the SMD PT pipe 18 of below, when SMD PT pipe 18 receives light signal, trigger SMD PT to manage and resistance between the C pole (collector) reduced on this SMD PT pipe 18 and E pole (emitter), realize the conducting between C pole (collector) and E pole (emitter).When button continues to press down, the part that free curved surface prism 341 left side output end face is aimed at the right input end face of the light guide 151 be positioned on the left of it gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, increase along with incident intensity makes the resistance between the C pole (collector) on this SMD PT pipe 18 to E pole (emitter) more and more less, and the electric current that this SMD PT pipe 18 produces is increasing.When button pressed is to about 4 ~ 4.3mm, free curved surface prism 341 left side output end face is aimed at completely with the right input end face of the light guide 151 be positioned on the left of it, at this moment light SMD PT pipe 18 assembled is maximum, and its current signal produced reaches the strongest state.And when switch upwards resilience time, light barrier 141-2 below the output end face of free curved surface prism 341 left side starts the light blocking directive light guide 151, the photosignal produced in SMD PT pipe 18 is more and more weak, resistance between C pole (collector) on this SMD PT pipe 18 to E pole (emitter) is also increasing, until cut off conducting completely.This process, achieve with button pressed stroke be the photosignal of ratio by weak to strong and by the strong control to weak linear change, the switch module of this technology is applied to gamepad and game mouse device, speed and strength (as the strength of racing car Throttle Opening Control, boxing, the control of various action of playing) during player can be allowed to control when playing games to play, be therefore applicable to game player's use very much.
Specific embodiments 4:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, the switch control rule principle of its specific embodiments 4 as shown in figure 11.Convergence on the right side of it above SMD IR pipe 17 and turnover device, adopt the identical free curved surface prism 141 with specific embodiments 1, the present embodiment changes unlike by original caustic surface 151-1 above left side SMD PT pipe 18 collector lens 452 be separated with light guide 451 into.Described collector lens 452, it is plano-convex lens or for convex-convex lens, its by the convergence of rays in light guide 451 in the SMD PT pipe 18 of below.
Its principle of work is: when button pressed, cross key axle connection moves down together with free curved surface prism 141, when moving to some positions, make free curved surface prism 141 left side output end face a part of to punctual (the present embodiment is set as pressing down 2mm position) with the right input end face of the light guide 451 be positioned on the left of it, from the light that SMD IR pipe 17 sends, after the refractive curvature of the inclination below free curved surface prism 141 reflects and deflects, converge on the micro-structure surface 141-1 on the right of prism, the light that incidence is come by micro-structure surface 141-1, carry out reflection to transfer and collimate and export from the end face on the prism left side.The light part exported from free curved surface prism 141 is coupled to the light guide 451 in left side, through deflection and the conduction of light guide 451, collector lens 452 again below it is assembled, last convergence of rays is on the SMD PT pipe 18 of below, when SMD PT pipe 18 receives light signal, trigger SMD PT to manage and resistance between the C pole (collector) reduced on this SMD PT pipe 18 and E pole (emitter), realize the conducting between C pole (collector) and E pole (emitter).When button continues to press down, the part that free curved surface prism 141 left side output end face is aimed at the right input end face of the light guide 451 be positioned on the left of it gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, increase along with incident intensity makes the resistance between the C pole (collector) on this SMD PT pipe 18 to E pole (emitter) more and more less, and the electric current that this SMD PT pipe 18 produces is increasing.When button pressed is to about 4 ~ 4.3mm, free curved surface prism 141 left side output end face is aimed at completely with the right input end face of the light guide 451 be positioned on the left of it, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, light barrier 141-2 below the output end face of free curved surface prism 141 left side starts the light blocking directive light guide 451, the photosignal produced in SMD PT pipe 18 is more and more weak, resistance between C pole (collector) on this SMD PT pipe 18 to E pole (emitter) is also increasing, until cut off conducting completely.This process, achieve with button pressed stroke be the photosignal of ratio by weak to strong and by the strong control to weak linear change.
Described light guide 451, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 0.5mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Conveniently state the paths feature in light guide (light pipe or optical fiber) and easy understand, all by the light in light guide in specific embodiments 4 and following specific embodiments, the parallel dotted lines simplified is adopted to represent, it represents the direction that light is relayed, but it is not actual light, actual every root light can roundtrip be repeatedly in light guide, roundabout forward direction, but the light beam on the whole in light guide is the direction bent according to light guide completely propagates.Although light therefore represented by dashed line is different with the every root light in actual light guide, it does not deviate from paths essence actual in light guide, and enough can embody the feature of paths, the switch principle of convenient statement light-conducting system.
Specific embodiments 5:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, the switch control rule principle of its specific embodiments 5 as shown in figure 12.Convergence on the right side of it above SMD IR pipe 17 and turnover device, adopt the identical free curved surface prism 141 with specific embodiments 1, just change original light guide above left side SMD PT pipe 18 into free curved surface prism 551.Described free curved surface prism 551, it has one from the freely curved face total reflection face 551-1 of axle, inclination, it can be off axis paraboloid mirror, quadric surface or for polynomial surface, its by the light convergence of rays of coming from right side free curved surface prism 141 incidence in the SMD PT pipe 18 of below.
Its principle of work is: when button pressed, cross key axle connection moves down together with free curved surface prism 141, when moving to some positions, make free curved surface prism 141 left side output end face a part of to punctual (the present embodiment is set as pressing down 2mm position) with the right input end face of the free curved surface prism 551 be positioned on the left of it, from the light that SMD IR pipe 17 sends, after the refractive curvature of the inclination below free curved surface prism 141 reflects and deflects, converge on the micro-structure surface 141-1 on the right of prism, the light that incidence is come by micro-structure surface 141-1, carry out reflection to transfer and collimate and export from the end face on the prism left side.The light part exported from free curved surface prism 141 is coupled to the free curved surface prism 551 in left side, through reflection and the convergence of fully reflecting surface 551-1, plane 551-2 again below it reflects post-concentration on the SMD PT pipe 18 of below, and light path realizes conducting.When button continues to press down, the part that free curved surface prism 141 left side output end face is aimed at the right input end face of the free curved surface prism 551 be positioned on the left of it gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and its current signal produced is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, free curved surface prism 141 left side output end face is aimed at completely with the right input end face of the free curved surface prism 551 be positioned on the left of it, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, the light barrier 141-2 below the output end face of free curved surface prism 141 left side starts the light blocking directive free curved surface prism 551, in SMD PT pipe 18 produce photosignal more and more weak, until cut off photosignal completely.This process, achieve with button pressed stroke be the photosignal of ratio by weak to strong and by the strong control to weak linear change.
Specific embodiments 6:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, the switch control rule principle of its specific embodiments 6 as shown in figure 13.Convergence on the right side of it above SMD IR pipe 17 and turnover device, adopt the identical free curved surface prism 141 with specific embodiments 1.The SMD PT pipe 18 in left side have rotated 90 degree and is vertically placed on side, the optically focused part in left side is directly a collector lens, it can be convex lens, or be Fresnel Lenses, this specific embodiments is preferably Fei Nieer lens 651, and it has larger numerical aperture angle relative to common convex lens, can assemble more light.
Its principle of work is: when button pressed, cross key axle connection moves down together with free curved surface prism 141, when moving to some positions, make free curved surface prism 141 left side output end face a part of to punctual (the present embodiment is set as pressing down 2mm position) with the right input end face of the Fresnel light condensing lens 651 be positioned on the left of key axle, from the light that SMD IR pipe 17 sends, after the refractive curvature of the inclination below free curved surface prism 141 reflects and deflects, converge on the micro-structure surface 141-1 on the right of prism, the light that incidence is come by micro-structure surface 141-1, carry out total reflection to transfer and collimate and export from the end face on the prism left side.The light part exported from free curved surface prism 141 is coupled to the Fresnel light condensing lens 651 in left side, and focus on after overconvergence on the SMD PT pipe 18 of side vertical placement, light path realizes conducting.When button continues to press down, the part that free curved surface prism 141 left side output end face is aimed at the right input end face of the Fresnel light condensing lens 651 be positioned on the left of key axle gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and its current signal produced is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, free curved surface prism 141 left side output end face is aimed at completely with the right input end face of the Fresnel light condensing lens 651 be positioned on the left of key axle, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, the light barrier 141-2 below the output end face of free curved surface prism 141 left side starts the light blocking directive Fresnel light condensing lens 651, in SMD PT pipe 18 produce photosignal more and more weak, until cut off photosignal completely.This process, achieve with button pressed stroke be the photosignal of ratio by weak to strong and by the strong control to weak linear change.
Specific embodiments 7,8
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls can by optically focused (collimation) lens, the light pipe being positioned at optical gate both sides or optical fiber, the optical gate (light barrier) that links together with key axle, be positioned at optical gate lead to the hole site while be plane, another side is that the refracting prisms on inclined-plane realize, specific embodiments 7 and 8 as shown in figure 14.
Specific embodiments 7, by the SMD IR pipe 17 on the right side of key axle, collimation lens 751, light guide 752, the optical gate (light barrier) 741 that links together with key axle, is positioned at the refracting prisms 742 of optical gate lead to the hole site, is positioned at the light guide 753 on the left of key axle, the collector lens 754 below light guide and SMD PT pipe 18 form.Described light guide 752, the output end face above it a little less than the input end face of light guide 753, and has a pitch angle with vertical direction, and this pitch angle equals the refraction angle of refracting prisms 742 pairs of incident raies.
Its principle of work is: when button pressed, cross key axle connection moves down together with optical gate 741, when moving to some positions, the positive good part of the refracting prisms 742 of its lead to the hole site is made to aim at the output end face above light guide 752 and the input end face above light guide 753.From the light that SMD IR pipe 17 sends, after collimation lens 751, be coupled in light guide 752, after conduction, output end face from the upper side exports, its a part of light exported deflects through refracting prisms 742, is then coupled in the light guide 753 on the left of optical gate, after the collector lens 754 below it is passed through in conduction again, converge on SMD PT pipe 18, light path realizes conducting.When button continues to press down, the part that the refracting prisms 742 of optical gate lead to the hole site aim at the output end face above light guide 752 and the input end face above light guide 753 gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and the current signal of generation is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, the refracting prisms 742 of optical gate lead to the hole site aim at the output end face above light guide 752 and the input end face above light guide 753 completely, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, the refracting prisms 742 of optical gate lead to the hole site start to stagger the output end face above light guide 752 and the input end face above light guide 753, at this moment stopped by optical gate 741 from the light that output end face above light guide 752 exports, the photosignal produced in SMD PT pipe 18 is more and more weak, until cut off photosignal completely.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.
Described optical gate 741, it is black foil, and it can be metal or plastic material.The described refracting prisms 742 being positioned at optical gate lead to the hole site, its left side is plane, is inclined-plane on the right of it, described inclined-plane, incident ray reflects by it, and refraction angle can be the unspecified angle being greater than more than 1 and be less than between 89 degree, and the present embodiment preferably this refraction angle is 15.Described light guide 752 and 753, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 0.5mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, the light path that its keyswitch controls is reversible, and the light path devices of optical gate both sides can be turned completely and realize identical function.In specific embodiments 8, position and having exchanged completely of specific embodiments 7 of its SMD IR pipe 17, SMD PT pipe 18 are come, and optical path direction is propagated from left to right, and the optical path direction specifically implemented in embodiment 7 propagates from right to left.
Specific embodiments 9:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls can by optically focused (collimation) lens, the light pipe being positioned at optical gate both sides or optical fiber, the optical gate (light barrier) that links together with key axle, 2 limits being positioned at optical gate lead to the hole site are all that the refracting prisms on inclined-plane realize, specific embodiments 9 as shown in figure 15.
In specific embodiments 9, its prism being positioned at optical gate lead to the hole site is the prism on Dou Shi inclined-plane, both sides, and the incidence of the right and left or emergent ray are all reflected 15 by it, basically identical then with described in specific embodiments 7 and 8 of the structure of other light-conducting systems.Output end face wherein above light guide 952, and the input end face above light guide 953 all tilts 15 degree with vertical direction.Collimation lens above SMD IR pipe 17, it is the Fresnel collimation lens at large-numerical aperture angle.
Its principle of work is: when button pressed, cross key axle connection moves down together with optical gate 941, when moving to some positions, the positive good part of the refracting prisms 942 of its lead to the hole site is made to aim at the output end face above light guide 952 and the input end face above light guide 953.From the light that SMD IR pipe 17 sends, after collimation lens 951, be coupled in light guide 952, after conduction output end face from the upper side and horizontal line be 15 angle export, a part of light of its output deflects through refracting prisms 942, and the direction of deflection is the direction of past horizontal line lower left 15, then be coupled in the light guide 953 in left side, after the collector lens 954 of conduction again below it is assembled, receive by SMD PT pipe 18, light path realizes conducting.When button continues to press down, the part that the refracting prisms 942 of optical gate lead to the hole site aim at the output end face above light guide 952 and the input end face above light guide 953 gets more and more, the light assembled in SMD PT pipe 18 gets more and more, and the current signal of generation is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, the refracting prisms 942 of optical gate lead to the hole site aim at the output end face above light guide 952 and the input end face above light guide 953 completely, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, the refracting prisms 942 of optical gate lead to the hole site start to stagger the output end face above light guide 952 and the input end face above light guide 953, at this moment stagger (as shown in right side light path in figure) from the light that output end face above light guide 952 exports, the photosignal produced in SMD PT pipe 18 is more and more weak, until cut off photosignal completely.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.
Described light guide 952 and 953, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 0.5mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Specific embodiments 10,11:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls can by optically focused (collimation) lens, the light pipe being positioned at optical gate both sides or optical fiber, the optical gate (light barrier) that links together with key axle, be positioned at optical gate lead to the hole site while be plane, another side is that zigzag straight burr Fresnel Lenses realizes, specific embodiments 10,11 as shown in figure 16.
In specific embodiments 10 and 11, its lens being positioned at optical gate lead to the hole site are the left side is plane, the right is zigzag straight burr Fresnel Lenses, and it is by the incidence on the right or emergent ray refraction 15.Described straight burr Fresnel Lenses, the bevel inclination angle of its each sawtooth is consistent with the bevel inclination angle on the right of the refracting prisms 742 being positioned at optical gate lead to the hole site described in specific embodiments 7 and 8, its inclined-plane be equivalent on the right of by the refracting prisms 742 in specific embodiments 7 and 8 is equidistantly split, and is again aligned in a plane.The described light-conducting system being positioned at the optical gate left and right sides, basically identical in itself and specific embodiments 7 and 8.In specific embodiments 11, the left side of the output end face above light guide 1152, has added a coupled lens 1153; Near the position of SMD IR pipe 17 below light guide 1152, its collimation lens 1151 is Fresnel Lenses.
The principle of work of specific embodiments 10 is: when button pressed, cross key axle connection moves down together with optical gate 1041, when moving to some positions, the positive good part of the straight burr Fresnel Lenses 1042 of its lead to the hole site is made to aim at the output end face above light guide 1052 and the input end face above light guide 1053.From the light that SMD IR pipe 17 sends, after collimation lens 1051, be coupled in light guide 1052, after conduction, output end face from the upper side exports, its a part of light serrated face on the right of straight burr Fresnel Lenses 1042 exported carries out deflecting and reflecting, and is then coupled in the light guide 1053 on the right side of optical gate, after the collector lens 1054 of conduction again below it is assembled, 's receive by SMD PT pipe 18, light path realizes conducting.When button continues to press down, the part that the straight burr Fresnel Lenses 1042 of optical gate lead to the hole site aims at the output end face above light guide 1052 and the input end face above light guide 1053 gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and the current signal of generation is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, the straight burr Fresnel Lenses 1042 of optical gate lead to the hole site aims at the output end face above light guide 1052 and the input end face above light guide 1053 completely, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, the straight burr Fresnel Lenses 1042 of optical gate lead to the hole site starts to stagger the output end face above light guide 1052 and the input end face above light guide 1053, at this moment stopped by optical gate 1041 from the light that output end face above light guide 1052 exports, the photosignal produced in SMD PT pipe 18 is more and more weak, until cut off photosignal completely.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.
The principle of work of specific embodiments 11 is substantially identical with specific embodiments 10, and just the direction of light path is reversed completely, SMD IR pipe 17 on the right side of optical gate, SMD PT pipe 18 is in the left side of optical gate.In addition due to light guide 1152 top aim at 1142 serrated face, added here a condenser 1153 with reduce from light guide 1152 to straight burr Fresnel mirror 1142 coupling loss.
Described light guide 1052,1053,1152 and 1154, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 0.5mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Specific embodiments 12:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls can by optically focused (collimation) lens, the light pipe being positioned at optical gate both sides or optical fiber, the optical gate (light barrier) that links together with key axle, the both sides being positioned at optical gate lead to the hole site are that zigzag straight burr Fresnel Lenses realizes, specific embodiments 12 as shown in figure 17.
In specific embodiments 12, its refractor being positioned at optical gate lead to the hole site is both sides is all zigzag straight burr Fresnel Lenses 1242, and the incidence of the right and left or emergent ray are all reflected 15 by it.Described 2 limits are all zigzag straight burr Fresnel Lenses 1242, the bevel inclination angle of its each sawtooth is consistent with the bevel inclination angle of refracting prisms 942 the right and left being positioned at optical gate lead to the hole site described in specific embodiments 9, it is equivalent to the inclined-plane of refracting prisms 942 the right and left being positioned at optical gate lead to the hole site in specific embodiments 9 equidistantly to split, and is again aligned in the plane of optical gate through hole the right and left.Basically identical then with described in specific embodiments 9 of the structure of other light-conducting systems.Output end face wherein above light guide 1252, and the input end face above light guide 1253 all tilts 15 degree with vertical direction.Collimation lens 1251 above SMD IR pipe 17, it is the Fresnel collimation lens of large-numerical aperture.
Its principle of work is: when button pressed, cross key axle connection moves down together with optical gate 1241, when moving to some positions, the positive good part of the straight burr Fresnel Lenses 1242 of its lead to the hole site is made to aim at the output end face above light guide 1252 and the input end face above light guide 1253.From the light that SMD IR pipe 17 sends, after collimation Fresnel Lenses 1251, be coupled in light guide 1252, after conduction output end face from the upper side and horizontal line be 15 angle export, its a part of light exported deflects through straight burr Fresnel Lenses 1242, the direction of deflection is the direction toward horizontal line lower left 15, then be coupled in the light guide 1253 in left side, after the collector lens 1254 of conduction again below it is assembled, 's receive by SMD PT pipe 18, light path realizes conducting.When button continues to press down, the part that the straight burr Fresnel Lenses 1242 of optical gate lead to the hole site aims at the output end face above light guide 1252 and the input end face above light guide 1253 gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and the current signal of generation is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, the straight burr Fresnel Lenses 1242 of optical gate lead to the hole site aims at the output end face above light guide 1252 and the input end face above light guide 1253 completely, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, the straight burr Fresnel Lenses 1242 of optical gate lead to the hole site starts to stagger the output end face above light guide 1252 and the input end face above light guide 1253, at this moment stagger (as shown in right side light path in figure) from the light that output end face above light guide 1252 exports, the photosignal produced in SMD PT pipe 18 is more and more weak, until cut off photosignal completely.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.
Described light guide 1252 and 1253, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 0.5mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Specific embodiments 13,14:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch control can by optically focused (collimation) lens, the light pipe being positioned at optical gate both sides or optical fiber, link together with key axle, the optical gate (light barrier) with a through hole realizes, specific embodiments 13 and 14 as shown in figure 18.The light guide of optical gate both sides, it can be coaxial setting, and as specific embodiments 13, it also can be arranged for non-coaxial, as specific embodiments 14.
Described non-coaxial light guide, refer to input and the output end face disalignment of the light guide of the optical gate left and right sides, it allows bias to a certain degree, inclination or dislocation, if the light of coupling can reach the threshold value triggering electric current in SMD PT pipe 18 just can the conducting of gauge tap and disconnection.Described collimation (collector lens), it can be common convex lens, and as specific embodiments 13, it also can for having the Fresnel Lenses at large-numerical aperture angle, as specific embodiments 14.
Specific embodiments 13 is substantially identical with the control principle of the keyswitch of specific embodiments 14, the principle of work of specific embodiments 13 is: when button pressed, cross key axle connection moves down together with optical gate 1341, when moving to some positions, the positive good part of its lead to the hole site 1342 is made to aim at the output end face above light guide 1352 and the input end face above light guide 1353.From the light that SMD IR pipe 17 sends, after collimation lens 1351 collimates, be coupled among light guide 1352, after conduction, output end face from the upper side exports, its a part of light exported, through through hole 1342, is then coupled in the light guide 1353 in left side, after the collector lens 1354 of conduction again below it is assembled, 's receive by SMD PT pipe 18, light path realizes conducting.When button continues to press down, the part that optical gate lead to the hole site 1342 aims at the output end face above light guide 1352 and the input end face above light guide 1353 gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and the current signal of generation is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, optical gate lead to the hole site 1342 aims at the output end face above light guide 1352 and the input end face above light guide 1353 completely, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, optical gate lead to the hole site 1342 starts to stagger the output end face above light guide 1352 and the input end face above light guide 1353, at this moment stagger from the light that output end face above light guide 1352 exports, 's stop by optical gate 1341, the photosignal produced in SMD PT pipe 18 is more and more weak, until cut off photosignal completely.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.
Described light guide 1352,1353,1452 and 1453, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 0.5mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Specific embodiments 15:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls to be realized by the combination of oblique 4 side's total reflection prisms of 2 light pipes or optical fiber and 2 secondary reflections that are positioned at optical gate both sides, specific embodiments 15 as shown in figure 19.Oblique 4 square glass prisms 1554 and the SMD PT pipe 18 of the optical routing SMD IR pipe 17 of its gauge tap, collimation lens 1551, light guide 1552, optical gate 1541, light guide 1553,2 secondary reflection form.
Its principle of work is: when button pressed, cross key axle connection moves down together with optical gate 1541, when moving to some positions, the positive good part of its lead to the hole site 1542 is made to aim at the output end face above light guide 1552 and the input end face above light guide 1553.From the light that SMD IR pipe 17 sends, after collimation lens 1551 collimates, be coupled among light guide 1552, after conduction, output end face from the upper side exports, its a part of light exported is through through hole 1542, then be coupled in the light guide 1553 in left side, incide after conduction in oblique 4 square glass prisms 1554 of below, after the fully reflecting surface 1554-2 on the right of it is totally reflected, reenter and be mapped on the freely curved face total reflection face 1554-3 on the left side, freely curved face total reflection face 1554-3 has total reflection turnover concurrently simultaneously, and the function assembled, it is by below incident ray directive, and converge on SMD PT pipe 18, light path realizes conducting.When button continues to press down, the part that optical gate lead to the hole site 1542 aims at the output end face above light guide 1552 and the input end face above light guide 1553 gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and the current signal of generation is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, optical gate lead to the hole site 1542 aims at the output end face above light guide 1552 and the input end face above light guide 1553 completely, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, optical gate lead to the hole site 1542 starts to stagger the output end face above light guide 1552 and the input end face above light guide 1553, at this moment stagger from the light that output end face above light guide 1552 exports, 's stop by optical gate 1541, the photosignal produced in SMD PT pipe 18 is more and more weak, until cut off photosignal completely.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.
Described light guide 1552 and 1553, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 1mm ~ 3mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Specific embodiments 16:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls can pass through free curved surface prism, optical gate (light barrier) and be positioned at optical gate side light guide member to realize.Specific embodiments 16 as shown in figure 20.
In this specific embodiments, it is used for collecting output light of SMD IR pipe 17 and what do total reflection collimation and turnover is a freely curved face total reflection prism 1651, the below of freely curved face total reflection prism is a plane 1651-1, it collects the light of coming from the incidence of SMD IR pipe 17, the curved surface 1651-2 of inclined upward is a total reflection free form surface, it can be the parabola from axle, from axle 2 curved surfaces, or polynomial surface, its light of incidence being come carries out total reflection simultaneously and collimates and do 90 degree of turnovers, light after collimation penetrates from the end face on the right.Align with the end face center, the right of freely curved face total reflection prism 1651 in the end face center, the left side of light guide member 1652, their one, interval has the optical gate 1641 (i.e. light barrier) of through hole, and it links together with key axle.
The principle of work of this specific embodiments is: when button pressed, cross key axle connection moves down together with optical gate 1641, when moving to some positions, the positive good part of its lead to the hole site 1642 is made to aim at input end face above the right output end face of free curved surface prism 1651 and light guide 1652.From the light that SMD IR pipe 17 sends, after fully reflecting surface 1651-2 above free curved surface prism 1651 reflects, light is collimated and does 90 degree of turnovers, light after collimation exports from the end face on the right, its a part of light exported is through through hole 1642, then be coupled in the light guide 1652 on right side, be coupled to from below on SMD PT pipe 18 after conduction, light path realizes conducting.When button continues to press down, the part that optical gate lead to the hole site 1642 aims at the input end face above the right output end face of free curved surface prism 1651 and light guide 1652 gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and the current signal of generation is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, optical gate lead to the hole site 1642 aims at the input end face above the right output end face of free curved surface prism 1651 and light guide 1652 completely, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, optical gate lead to the hole site 1642 starts to stagger the input end face above the right output end face of free curved surface prism 1651 and light guide 1652, at this moment from the right of free curved surface prism 1651 output end face export light stop by optical gate 1641, the photosignal produced in SMD PT pipe 18 is more and more weak, until cut off photosignal completely.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.
Described light guide 1652, it is light pipe, and it also can be plastic optical fiber, and its diameter is between .5mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Specific embodiments 17,18:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls can be collimated (optically focused) lens by Fresnel, mirror tunnel realizes, specific embodiments 17 and 18 as shown in figure 21.
Described mirror tunnel, its effect is equivalent to light pipe or optical fiber, and it has at least more than one reflecting surface.In specific embodiments 17,1752,1753 is mirror tunnel.In specific embodiments 18,1852 is mirror tunnel.
The switch control rule principle of specific embodiments 17 is: when button pressed, cross key axle connection moves down together with optical gate 1741, when moving to some positions, the positive good part of its lead to the hole site 1742 is made to aim at input end face on the right of the left side output end face of mirror tunnel 1752 and mirror tunnel 1753.From the light that SMD IR pipe 17 sends, incide in mirror tunnel 1752 after collimation Fresnel Lenses 1751 collimates, after reflecting surface 1752-1 above it reflects, light does 90 degree of turnovers, light after turnover exports from the end face on the left side, its a part of light exported is through through hole 1742, then incide in the mirror tunnel 1753 in left side, after reflecting surface 1753-1 reflects, transfer again 90 degree and transmit downwards, eventually pass Fresnel light condensing lens 1754 to converge on SMD PT pipe 18, light path realizes conducting.When button continues to press down, the part of the left side output end face of optical gate lead to the hole site 1742 pairs of mirror tunnel 1752 and the right input end face of mirror tunnel 1753 gets more and more, the light that SMD PT pipe 18 is assembled gets more and more, and the current signal of generation is just more and more stronger.When button pressed is to about 4 ~ 4.3mm, optical gate lead to the hole site 1742 aims at the left side output end face of mirror tunnel 1752 and the right input end face of mirror tunnel 1753 completely, at this moment light SMD PT pipe 18 assembled is maximum, and therefore its current signal produced reaches the strongest state.And when switch upwards resilience time, optical gate lead to the hole site 1742 starts to stagger the input end face on the right of the left side output end face of mirror tunnel 1752 and mirror tunnel 1753, at this moment from the light that the left side output end face of mirror tunnel 1752 exports stop by optical gate 1741, the photosignal produced in SMD PT pipe 18 is more and more weak, until cut off photosignal completely.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.
In specific embodiments 18, the structure on the right side of optical gate and specific embodiments 17 just the same, the SMD PT pipe 18 just on the left of optical gate adopts the mode of vertically placing, and mirror tunnel substitute by the Fresnel light condensing lens 1853.
Specific embodiments 19:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls to be realized by the multimode optical fiber of 1/2 cycle GRIN Lens of communication, communication and the convex lens being positioned at optical gate lead to the hole site, specific embodiments 19 as shown in figure 22.
Described specific embodiments 19, it is made up of the GRIN Lens 1954 in multimode optical fiber 1953,1/2nd cycle of the multimode optical fiber 1952 of the GRIN Lens (gradual index lens) 1951 in SMD IR pipe 17,1/2nd cycle, optical communication, the optical gate 1941 linked with key axle, the convex lens 1942 being positioned at optical gate lead to the hole site, optical communication and SMD PT pipe.The GRIN Lens 1952 in 1/2nd described cycles, it is gradual index lens, is the column optical lens of a kind of index distribution radially gradual change, has focusing and imaging function.Its index distribution is as shown in formula (1):
N ( r ) = N 0 ( 1 - A 2 r 2 )
In formula (1): No--represents the refractive index of the centre of GRIN Lens
R--represents the radius of GRIN Lens
A--represents the index distribution constant of GRIN Lens
Described GRIN Lens, it is according to the length of length, the propagation of its internal light meets the feature of following Figure 23, be respectively for 1/4 cycle from top to bottom in figure, 1/2 cycle, 3/4 cycle, and the internal light propagation characteristic of the GRIN Lens in 1 cycle, for the GRIN Lens that length was 1/4 cycle, due to the gradual change of its refractive index radially from axis to periphery, light is caused to bend at lens interior, from all light that A point sends, after bending, the just in time parallel injection of all light end face on the right, so the GRIN Lens in 1/4 cycle is often used to make collimation lens, and focusing coupled lens.For the GRIN Lens that length was 1/2 cycle, from the light that B point sends, after bending, all light end face on the right just in time converges to a point again, the i.e. position of P point, so the GRIN Lens in 1/2 cycle is often used to do light source to optical fiber, optical fiber to the coupled lens of optical fiber.For the GRIN Lens in 3/4 cycle, the light sent from C point has then beaten a knot (Q point) therein, then again from the injection of the right end face collimation.For the GRIN Lens in 1 cycle, after the light sent from D point has beaten a knot (R point) therein, converge to again the right end face a bit on, then disperse injection.
In this specific embodiments, described GRIN Lens 1951 is the GRIN Lens in 1/2 cycle, and its coupling light sent by SMD IR pipe is in the multimode optical fiber 1952 of optical communication.The multimode optical fiber 1952 of described optical communication, its diameter is 125 microns, fibre core size about 50 microns, and it can the random flexing arrangement according to the space below button.In fig. 22, from the light of SMD IR pipe 17 injection, after GRIN Lens 1951 is assembled, be coupled in multimode optical fiber 1952, after conduction, the other end injection on the right side of it.A secondary multimode optical fiber 1953 is provided with too above optical gate opposite side SMD PT pipe 18, and 1/2 GRIN Lens 1954 in cycle, output end face on the right of optical fiber 1952 aligns with the input end face on optical fiber 1953 left side, and lays respectively at the left and right sides of optical gate 1941.When button pressed, be positioned at the convex lens 1942 of optical gate 1941 lead to the hole site, just in time between two optical fiber, its convergence of rays exported by output end face of left side multimode optical fiber 1952 is to the input end face place of the multimode optical fiber 1953 on right side, light path is in conducting state, output end face now on the right of multimode optical fiber 1952, and the input end face on multimode optical fiber 1953 left side, be respectively image conjugate relation relative to convex lens 1942.When button loosen be returned to original position time, lens 1942 are moved upward, and stagger with the I/O face of optical fiber 1952 and optical fiber 1953, the output light of optical fiber 1952 completely stop by the catch of optical gate, thus light path is in off-state.
Specific embodiments 20:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, the light-conducting system of its specific embodiments 20, its switch control rule principle as shown in figure 24.It is made up of the GRIN Lens 2056 in multimode optical fiber 2055,1/2nd cycle of the GRIN Lens 2051 in SMD IR pipe 17,1/2nd cycle be positioned on the left of optical gate, the GRIN Lens 2053 in multimode optical fiber 2052,1/4th cycle of optical communication, the optical gate 2041 linked with key axle and the GRIN Lens 2054 being positioned at 1/4th cycles on the right side of optical gate, optical communication, SMD PT pipe 18.The GRIN Lens 2053 and 2054 in 1/4th described cycles, its end face aligns, and lays respectively at the both sides of optical gate 2041.From the light that SMD IR pipe 17 sends, after the GRIN Lens 2051 in 1/2nd cycles, converge in multimode optical fiber 2052, after conduction, collimate injection by the GRIN Lens 2053 in 1/4th cycles again.
Its principle of work is: when button is toward when pressing down, the through hole of optical gate 2041 is just in time in the endface position of the GRIN Lens 2053 and 2054 in 1/4th cycles, the light of injection is collimated from left side GRIN Lens 2053, through optical gate through hole 2042, incide in the GRIN Lens 2054 of right side, then converge in multimode optical fiber 2055, after fiber optic conduction, converged to by the GRIN Lens 2056 in 1/2nd cycles again on the SMD PD pipe 18 of below, thus the electric current in triggering photoelectric receiving tube, light path is in conducting state.When button loosens, optical gate 2041 moves up, lead to the hole site on optical gate has staggered the output of GRIN Lens 2053 and 2054 and the position of input end face, at this moment from left side GRIN Lens 2053 collimate injection light stop by the light barrier of optical gate 2041, can not be coupled in the GRIN Lens 2054 on right side, thus light path is in off-state.
The light-conducting system of the keyswitch being used for effectively controlling and regulate photosignal described in above-mentioned specific embodiments 1 ~ 20, when button continues to press down 2mm ~ 4.3mm, the light that SMD PT pipe 18 is assembled gets more and more, and the current signal of generation is more and more stronger.When button pressed is to about 4 ~ 4.3mm, the light that SMD PT pipe 18 is assembled is maximum, and its current signal produced reaches the strongest state.And when switch upwards resilience time, in SMD PT pipe 18 produce photosignal more and more weak, until cut off photosignal completely.Its process be the photosignal proportional with button pressed stroke by weak to strong linear change, and backhaul by strong to weak linear change.
In actual application, can will control and regulate the state of photosignal to arrange completely conversely as required, that is: when button continues to press down, the light assembled in SMD PT pipe 18 be fewer and feweri, and the electric signal of generation is more and more weak.When button pressed is to about 2 ~ 4mm, the light assembled in SMD PT pipe 18 does not have completely, and its electric signal produced is zero.And when switch upwards resilience time, light path starts conducting, and the photosignal produced in SMD PT pipe 18 is more and more stronger, and when spring loosens completely, photosignal reaches the strongest state.Its process be the photosignal proportional with button pressed stroke by strong to weak linear change, and backhaul by weak to strong linear change.
Specific embodiments 21,22:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls can by the optical gate (light barrier) being positioned at the light pipe of optical gate both sides or optical fiber, link together with key axle, and what be positioned at optical gate lead to the hole site is plane, refracting prisms that another side is inclined-plane (or be plane, another side be zigzag Fresnel Lenses) realize.It controls and regulates the state of photosignal to arrange conversely as required, namely when button continues to press down, the electric signal produced is more and more weak, until disconnect completely, and when button loosens, the photosignal conducting produced, and more and more stronger, specific embodiments 21 as shown in figure 25 and specific embodiments 22.
Light channel structure and the specific embodiments 7 of specific embodiments 21 are basically identical, and it also has light guide 2151 and 2152, the refracting prisms 2142 that what be positioned at optical gate lead to the hole site is plane, another side is inclined-plane.But the conducting that its button opens the light is to the state disconnected, and the control procedure of signal power and specific embodiments 7 is complete contrary.
The principle of work of specific embodiments 21 is: when button is in rising rest position, between the output end face of its prism at optical gate lead to the hole site just in time above light guide 2151 and the input end face above light guide 2152.The light that output end face above light guide 2151 exports, enter into the refracting prisms 2142 being arranged in optical gate lead to the hole site completely, after the refraction of inclined-plane, the right, be coupled in the light guide 2152 on the right side of optical gate, be coupled on the SMD PT pipe 18 below it after conduction, its electric signal produced is the strongest.And when button downwards on time, the prism being at this moment positioned at optical gate lead to the hole site starts to stagger the output end face above light guide 2151 and the input end face above light guide 2152, and at this moment light is stopped, the electric current that SMD PT pipe 18 produces starts to weaken.When button pressed is to 2mm to 4.3mm, the light that output end face above light guide 2151 exports completely stop by optical gate, the current signal at this time SMD PT pipe 18 produced is zero.Therefore its press down process produce by dying down by force, until disconnect photosignal, with described in specific embodiments 7 just in time conversely.
Light channel structure in the light channel structure of specific embodiments 22 and specific embodiments 11 is basically identical, and it also has light guide 2251 and 2252, the straight burr Fresnel Lenses 2242 that what be positioned at optical gate lead to the hole site is plane, another side is inclined-plane.But the conducting that its button opens the light is to the state disconnected, and complete contrary with described in specific embodiments 11 of the control procedure of signal power.
The principle of work of specific embodiments 22 is: when button is in rising rest position, between the output end face of its prism at optical gate lead to the hole site just in time above light guide 2251 and the input end face above light guide 2252.The light that output end face above light guide 2251 exports, enter into the refracting prisms 2242 being arranged in optical gate lead to the hole site completely, after the refraction of the serrate inclined-plane of straight burr Fresnel surface, be coupled in the light guide 2252 on the left of optical gate, be coupled on the SMD PT pipe 18 below it after conduction, its electric signal produced is the strongest.And when button is downwards by during to 2mm, the prism being at this moment positioned at optical gate lead to the hole site starts to stagger the output end face above light guide 2251 and the input end face above light guide 2252, at this moment light starts to be stopped, the electric current that SMD PT pipe 18 produces starts to weaken.When button continues to press down, the light that the output end face above light guide 2251 exports is got more and more by shutter blocks, until cut off completely, the current signal at this time SMD PT pipe 18 produced is more and more weak, until be zero.Therefore its press down process produce by dying down by force, until disconnect photosignal, with described in specific embodiments 11 just in time conversely.
Light guide 2151,2152,2251,2252 described in specific embodiments 21 and 22, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 0.5mm ~ 5mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.Due to its diameter relatively and the light-emitting area of SMD IR pipe 17, and the receiving plane of SMD PT pipe 18 is thicker, as long as therefore its end face is near SMD IR pipe 17 or SMD PT pipe 18, just higher coupling efficiency be can obtain, thus collimation lens or collector lens omitted.Principle reversible according to light path in addition, SMD IR pipe 17 and SMD PT pipe 18 also can be exchanged as required.
Specific embodiments 23,24:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch control can by being positioned at the light pipe of optical gate side or optical fiber, the optical gate (light barrier) linked together with key axle, Fresnel collimate (optically focused) lens and realize.It controls and regulates the state of photosignal to arrange conversely as required, and namely when button continues to press down, the electric signal of generation is more and more weak, until disconnect completely, and when button loosens, the photosignal conducting of generation, and more and more stronger, specific embodiments 23,24 as shown in figure 26.
The switch control rule principle of specific embodiments 23 is: when button is in rising rest position, optical gate 2341 pairs of light are completely unobstructed, from the light of SMD IR pipe 17 output that right vertical is placed, after Fresnel collimation lens 2351 collimates, incide in the light guide 2352 on the left of optical gate completely, be coupled in the SMD PT pipe 18 of below after conduction, the current signal now produced is the strongest.When button pressed is to 2mm, optical gate 2341 starts to stop the light penetrated from collimation lens 2351, and the current signal produced in SMD PT pipe 18 starts to weaken, and when button continues toward when pressing down, the current signal produced in SMD PT pipe 18 is more and more weak, until be zero.Conversely when button resilience, the current signal produced in SMD PT pipe 18 starts grow, until return to the strongest.
The switch control rule principle of specific embodiments 24 and the basically identical of specific embodiments 23, just the direction of propagation of light path is turned completely.
Specific embodiments 23 and the light guide described in specific embodiments 24 2352 and 2451, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 1mm ~ 3mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.Due to its diameter relatively and the light-emitting area of SMD IR pipe 17 and the receiving plane of SMD PT pipe 18 larger, as long as therefore its end face is near SMD IR pipe 17 or SMD PT pipe 18, just higher coupling efficiency be can obtain, thus collimation lens or collector lens omitted.
Specific embodiments 25:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls to be realized by freely curved face total reflection prism, the optical gate (light barrier) linked together with key axle, the light pipe being positioned at optical gate side or optical fiber.It controls and regulates the state of photosignal to arrange conversely as required, and namely when button continues to press down, the electric signal of generation is more and more weak, until disconnect completely, and when button loosens, and the photosignal conducting of generation, and more and more stronger.Specific embodiments 25 as shown in figure 27.
Light channel structure and the specific embodiments 16 of specific embodiments 25 are completely the same.Just during its button pressed, the strong and weak change procedure of generation current signal is completely contrary with specific embodiments 16.
Its switch control rule principle is: when button is in rising rest position, optical gate 2541 pairs of light are completely unobstructed, from the light that SMD IR pipe 17 sends, after fully reflecting surface 2551-2 above free curved surface prism 2551 reflects, light is collimated and does 90 degree of turnovers, light after collimation exports from the end face on the right of it, its light exported all is coupled in the light guide 2552 on the right side of optical gate, be coupled on SMD PT pipe 18 from below after conduction, light path realizes conducting, produces the strongest current signal.When button pressed is to 2mm, optical gate starts to stop the light exported from end face on the right of free curved surface prism 2551, and the current signal produced in SMD PT pipe 18 starts to weaken, when button continues toward when pressing down, the current signal produced in SMD PT pipe 18 is more and more weak, until be zero.Conversely when button resilience, the current signal produced in SMD PT pipe 18 starts grow, until return to the strongest.
Described light guide 2552, it is light pipe, and it also can be plastic optical fiber, and its diameter is between 1mm ~ 3mm, and the present invention preferably this light guide member diameter is 1.5mm.It can arbitrarily bend as required, arranges according to the scope allowed by bond space.
Specific embodiments 26:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls to be realized by collimation (optically focused) Fresnel Lenses, mirror tunnel, the optical gate (light barrier) that links together with key axle, specific embodiments 26 as shown in figure 28.Its light channel structure is identical with specific embodiments 17, just when button pressed, the conducting of light path and off-state, and the process of signal power change is completely contrary with specific embodiments 17, namely when button continues to press down, the electric signal of generation is more and more weak, until disconnect completely, and when button loosens, the photosignal conducting of generation, and more and more stronger.
Described mirror tunnel, its effect is equivalent to light pipe or optical fiber, and it has at least more than one reflecting surface.In specific embodiments 26,2652,2653 is mirror tunnel.
Its principle of work is: when button is in the rest position of rising, and optical gate 2641 staggers the input end face on the right of the left side output end face of mirror tunnel 2652 and mirror tunnel 2653, unobstructed to light path.From the light that SMD IR pipe 17 sends, incide in mirror tunnel 2652 after Fresnel Lenses 2651 collimates, after reflecting surface 2652-1 above it reflects, light does 90 degree of turnovers, light after turnover exports from the end face on the left side, the light exported incides in the mirror tunnel 2653 on the left of optical gate completely, after reflecting surface 2653-1 reflects, transfer again 90 degree and transmit downwards, eventually passing Fresnel light condensing lens 2654 converges on SMD PT pipe 18, light path realizes conducting, produces the strongest current signal.When button pressed is to 2mm, cross key axle connection moves down together with optical gate 2641, and optical gate 2641 starts to stop the light exported from the left side output end face of mirror tunnel 2652, and the current signal produced in SMD PT 18 pipe starts to weaken.When button continues toward when pressing down, the current signal produced in SMD PT pipe 18 is more and more weak, until be zero.Conversely when button resilience, the current signal produced in SMD PT pipe 18 starts grow, until return to the strongest.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.It is completely contrary with the photosignal control procedure of specific embodiments 17.
Specific embodiments 27,28:
The light-conducting system of the involved in the present invention keyswitch being used for effectively controlling and regulate photosignal, its keyswitch controls to be realized by collimation (optically focused) Fresnel Lenses, one-sided mirror tunnel, the optical gate (light barrier) that links together with key axle, specific embodiments 27 and 28 as shown in figure 29.Its light channel structure is identical with specific embodiments 18, just when button pressed, the conducting of light path and off-state, and the process of signal power change is completely contrary with specific embodiments 18, namely when button continues to press down, the electric signal of generation is more and more weak, until disconnect completely, and when button loosens, the photosignal conducting of generation, and more and more stronger.
Described mirror tunnel, its effect is equivalent to light pipe or optical fiber, and it has at least more than one reflecting surface.In specific embodiments 27,2752 is mirror tunnel.
The principle of work of specific embodiments 27 is: when button is in the rest position of rising, and optical gate 2741 staggers the left side output end face of mirror tunnel 2752 and the right input end face of light-focusing Fresnel lens 2753, unobstructed to light path.From the light that SMD IR pipe 17 sends, incide in mirror tunnel 2752 after collimation Fresnel Lenses 2751 collimates, after reflecting surface 2752-1 above it reflects, light does 90 degree of turnovers, light after turnover exports from the end face on the left side, and its light exported enters into Fresnel light condensing lens 2753 completely, is received after assembling by the SMD PT pipe 18 that left side vertical is placed, light path realizes conducting, produces the strongest current signal.When button pressed is to 2mm, cross key axle connection moves down together with optical gate 2741, and optical gate 2741 starts to stop the light exported from the left side output end face of mirror tunnel 2752, and the current signal produced in SMD PT 18 pipe starts to weaken.When button continues toward when pressing down, the electric signal produced in SMD PT pipe 18 is more and more weak, until be zero.Conversely when button resilience, the electric signal produced in SMD PT pipe 18 starts grow, until return to the strongest.The proportional photosignal of this process implementation and button pressed stroke by weak to strong and by the strong control to weak linear change.It is completely contrary with the photosignal control procedure of specific embodiments 18.
The open pipe control principle of specific embodiments 28 and the basically identical of specific embodiments 27, just the direction of propagation of light path is turned completely.
Control of the present invention and adjustment photosignal are used for the switch module of input equipment, photoelectric sense technology and echanical shaft system combine by it, utilize light pipe or optical fiber structure to the accurate control of the disconnection and path that realize optoelectronic switch, and the power of photosignal is effectively controlled and regulated, it has following advantage and novelty: 1. core technology of the present invention adopts SMD IR to manage (surface-pasted infrared diode, or laser diode) and SMD PT manage (surface-pasted photoelectric receiving tube) as launch and receiving trap, in conjunction with light pipe or optical fiber, realize the disconnection of optoelectronic switch, path, and the accurate control of photosignal power.2. product switch module of the present invention adopts disconnection and the path of pure photoelectric device gauge tap, and without the need to mechanical type hard contact, can not be subject to the impact of contact wear and deterioration by oxidation, long service life, can meet high-frequency and apply for a long time.3. product switch module of the present invention adopts the precision optics prism or optical gate (light barrier) structure that link together with mechanical axis, accurate switch triggering position control can be realized, the trigger position control accuracy of existing pure mechanical axis keyboard is +/-0.40 ~ 0.60mm, the technology of the present invention effectively can realize the switch triggering position control of +/-0.10mm, higher 4 ~ 6 times than the trigger position precision of existing pure mechanical axis keyboard, realize keyboard sense of touch quality stability, 4. photoelectricity light-guiding type mechanical axis keyboard is after use is long-time, and handfeel of keys change is very little, and traditional mechanical keyboard then cannot reach, 5. this photoelectricity light-guiding type mechanical axis keyboard, when its key axle presses down certain distance, the switch control section (prism or light barrier) linked with key axle is coupled with light pipe or optical fiber, switch module will be triggered and conducting, continue pressure switches parts and can realize the more and more stronger function of photosignal, and when switch upwards resilience time, photosignal is more and more weak, until cut-out photosignal, power and the stroke proportionate relationship linearly pressed down of photosignal, the switch module of this technology is applied to gamepad and game mouse device, can allow player embody when playing games game in speed and strength (as racing car Throttle Opening Control, the strength of boxing, to play the control of various action), feel to be really true to life, therefore be applicable to very much game player to use, 6. use high-quality piano wire spring, anti-fatigue performance be better, screen resilience is large, switching over action sooner, sensitiveer, feel is better, 7. electric signal jitter problem when there is not Mechanical Contact, odds and ends news, switch motion time zero postpone, and operates sensitiveer, fast and accurate.
Although describe embodiments of the present invention by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such amendment and modification all fall into by within claims limited range.

Claims (35)

1. one kind controls and regulates photosignal for the switch module of input equipment, it is characterized in that, described switch module adopts SMD IR pipe and SMD PT pipe as optical signal launch and receiving trap, light pipe or optical fiber is utilized to disconnect to the light path realizing optoelectronic switch in conjunction with the structure of switch optical control assembly, conducting, and the accurate control of photosignal power, described photoelectricity light-guiding type switch module, its switch optical control assembly is prism, free-form surface lens, and optical gate, it links together with axle key, described photoelectricity light-guiding type switch module, it to disconnect and except conducting except the light path that can realize optoelectronic switch by the relative position of moving switch control assembly and light pipe or optical fiber, photosignal can also be realized by weak to controlling by force or by strong extremely weak linear relationship.
2. switch module according to claim 1, it is characterized in that, described switch module comprises that SMD IR manages (17), the prism with free form surface (141), light guide (151) and the SMD PT that link together with key axle manage (18) and form.
3. switch module according to claim 2, it is characterized in that, described free-form surface lens is aspheric surface or the polynomial surface of inclined shaft, for the light sent from SMD IR pipe (17) being converged to the micro-structure surface (141-1) on the right of prism.
4. switch module according to claim 1, it is characterized in that, the micro-structure surface (141-1) of described prism is serrate total reflection Fresnel surface, or for there is total reflection or the microprism array face of part reflecting effect, microlens array or being blazed grating, for the light that the incidence of refractive curvature is from below come, carry out being totally reflected or part reflection makes light ray bending and collimation exports from the end face on limit on the left of prism.
5. switch module according to claim 1, it is characterized in that, the lower position of described prism (141) left side end face has the light barrier (141-2) of a slice black, its with combine with free curved surface prism (141), and to link together with cross key axle (14).
6. switch module according to claim 1, it is characterized in that, when button pressed, cross key axle joins same free curved surface prism (141) and moves down together, some positions are moved to when pressing down, make free curved surface prism (141) left side output end face a part of on time with the right input end face of the light guide (151) be positioned on the left of it, from the light that SMD IR pipe (17) sends, after the refractive curvature of the inclination of free curved surface prism (141) below reflects and deflects, converge on the micro-structure surface (141-1) on the right of prism, the light that incidence is come by micro-structure surface (141-1), carry out being totally reflected and transfer and the end face output collimated on the left of prism.The light part exported from free curved surface prism (141) is coupled to the light guide (151) in left side, through deflection and the conduction of light guide (151), the Fresnel surface (151-1) passed through again below it is assembled, last convergence of rays is managed on (18) to the SMD PT of below, and light path realizes conducting;
When button continues to press down, the part that free curved surface prism (141) left side output end face is aimed at the right input end face of the light guide be positioned on the left of it (151) gets more and more, SMD PT manages the light assembled in (18) and gets more and more, and its current signal produced is just more and more stronger;
When cross key axle presses to 4 ~ 4.3mm, free curved surface prism (141) left side output end face is aimed at completely with the right input end face of the light guide be positioned on the left of it (151), at this moment SMD PT manages (18) upper light assembled at most, and therefore its current signal produced reaches the strongest state;
When switch upwards resilience time, light barrier (141-2) below the output end face of free curved surface prism (141) left side starts the light blocking directive light guide (151), it is more and more weak that SMD PT manages the photosignal produced in (18), until cut off photosignal completely.
7. switch module according to claim 1, is characterized in that, when button pressed is to 2mm, starts to trigger SMD PT and manages and reduce this SMD PT and manage resistance between C pole on (18) and E pole, realize the conducting between C pole and E pole; Press down scope from 2mm to 4.30mm, electric current increases linear rising according to depressed position, and when button pressed is to 4mm ~ 4.30mm position, current signal reaches the strongest.
8. switch module according to claim 1, it is characterized in that, light barrier (141-2) below the output end face of described free curved surface prism (141) left side, itself and free curvature prism (141) are combined, and it is ferrous metal sheet or black film; Described free curved surface prism (141), its material is transparent optical plastics, and the cross key axle (14) therewith linked, it is clear plastic resin or the plastic resin for shades of colour, cross key axle (14) and free curved surface prism (141) adopt and combine both with single clear plastic resin injection molding, or adopt extra quality integrated injection molding.
9. switch module according to claim 1, is characterized in that, described light guide, and it is light pipe or plastic optical fiber, and its diameter is between 0.5mm ~ 3mm.
10. switch module according to claim 1, it is characterized in that, the optical system of another part described in it is centering type keycap character illuminator, it adopts SMD LED (19) in conjunction with the structure of centering type light guide (153), this centering type keycap character illuminator, the misalignment with keycap character is arranged in the position of SMD LED (19) and light guide (153) by it, light guide (153) bottom is near LED, the coupling light of SMD LED (19) is allowed to enter light guide (153), light guide (153) can arbitrarily bend as required, arrange according to the scope allowed by bond space, its upper surface is towards the direction of keycap character center, illuminated key caps character equably, described keycap character, it is positioned on the keycap of cross key axle (14) top, described keycap, it can be the square or rectangular keycap on common computor-keyboard, or be mouse left and right press key housing.
11. switch modules according to claim 1, it is characterized in that, another kind of centering type keycap character illuminator described in it, it adopts SMD LED (19) in conjunction with the structure of centering type light-guiding pillar (253), the misalignment with keycap character is arranged in the position of SMD LED (19) and light guide (253), light-guiding pillar (253) bottom is near the part of LED, be arranged to the Fresnel curved surface (253-1) with spotlight effect, the exiting surface (253-2) with certain angle of inclination is arranged near the end face of keycap character in light-guiding pillar (253) top, namely exiting surface (253-2) is plane or the cambered surface of inclination, this special light guide is arranged on above SMDLED, realize keycap character under the state that can depart from LED and keycap character center to throw light on symmetrically, implementing principle is, by the Fresnel curved surface (253-1) of light-guiding pillar (253) bottom, the light of SMD LED is carried out optically focused and part collimation, light is by after the optics cylinder multiple reflections of light-guiding pillar (253), reflect away via the exiting surface with certain angle of inclination (253-2) on light guide again, because exiting surface (253-2) have employed plane horizontal by certain angle of inclination or cambered surface, its by the light refraction of outgoing to the reciprocal region of eccentric position, thus realize the Uniform Illumination of LED upper area and opposite area of space thereof, reach the effect that keycap character illuminates symmetrically.
12. switch modules according to claim 1, it is characterized in that, described right side SMDIR manages the caustic surface (341-3) of free form surface light-collecting prism (341) below of (17) top for having more than 1 zigzag inclined shaft Fresnel surface, described inclined shaft Fresnel surface, its optical axis is CX, and its direction toward micro-structure surface (341-1) tilts; Described inclined shaft Fresnel surface (341-3), its convergence of rays sent by SMD IR pipe (17) is on micro-structure surface (341-1); Described micro-structure surface (341-1) its be serrate total reflection Fresnel surface, or for there is total reflection or the microprism array face of part reflecting effect, microlens array or being blazed grating; It act as the light of the incidence of refractive curvature from below being come, and carries out transferring and collimate the end face output on the left of prism; The lower position of prism left end face has the light barrier (141-2) of a slice black, and itself and free curved surface prism (341) are combined, and link together with cross key axle (14).
13. switch modules according to claim 1, it is characterized in that, the described leaded light component (151) being positioned at top, left side SMD PT pipe (18), it also can be split as independent light pipe or optical fiber (451), forms in conjunction with the collector lens (452) with light-focusing function; Described collector lens (452), it is plano-convex lens or is convex-convex lens, and the SMD PT of the convergence of rays in light guide (451) to below manages in (18) by it.
14. switch modules according to claim 1, is characterized in that, being positioned at the leaded light component (151) of top, left side SMDPT pipe (18), is free curved surface prism 551; Described free curved surface prism (551), there is one from the freely curved face total reflection face (551-1) of axle, inclination, it is off axis paraboloid mirror, quadric surface or for polynomial surface, its convergence of rays of free curved surface prism (141) incidence from right side being come is managed in (18) to the SMD PT of below.
15. switch modules according to claim 1, it is characterized in that, the SMD PT in described left side manages (18) and vertically can be placed on side by 90-degree rotation, the optically focused part in left side is directly a collector lens (651), it can be convex lens, or is Fresnel Lenses.
16. switch modules according to claim 1, it is characterized in that, the optical gate (741) that described keyswitch controls to comprise collector lens (754), collimation lens (751), the light pipe being positioned at optical gate (741) both sides or optical fiber (752) and light pipe or optical fiber (753), links together with key axle, and the refracting prisms (742) that what be positioned at optical gate lead to the hole site is plane, another side is inclined-plane.
17. switch modules according to claim 1, it is characterized in that, the optical gate (941) that described keyswitch controls to comprise collector lens (954), collimation lens (951), the light pipe being positioned at optical gate (941) both sides or optical fiber (952) and light pipe or optical fiber (953), links together with key axle, and (2) limit being positioned at optical gate lead to the hole site is all the refracting prisms (942) on inclined-plane.
18. switch modules according to claim 1, it is characterized in that, described keyswitch controls to comprise collector lens (1051) or (1151), collimation lens (1054) or (1055), be positioned at the light pipe (1052) of optical gate (1041) or (1141) both sides or optical fiber (1152) and light pipe (1053) or optical fiber (1154), the optical gate (1041) linked together with key axle or (1141), and be positioned at optical gate lead to the hole site while be plane, another side is zigzag straight burr Fresnel Lenses (1042) or (1142).
19. switch modules according to claim 1, it is characterized in that, described keyswitch controls can by collector lens (1254), collimation lens (1251), the light pipe being positioned at optical gate (1241) both sides or optical fiber (1252) and light pipe or optical fiber (1253), the optical gate (1241) that links together with key axle, and the both sides being positioned at optical gate lead to the hole site are that zigzag straight burr Fresnel Lenses (1242) realizes.
20. switch modules according to claim 1, it is characterized in that, described keyswitch control can collector lens (1354) or (1454), collimation lens (1351) or (1451), the light pipe (1352) being positioned at optical gate (1341) or (1441) both sides or optical fiber (1452) and light pipe (1353) or optical fiber (1453), link together with key axle, the optical gate (1341) with a through hole (1342) or (1442) and or (1441) realize; The light guide of described optical gate both sides, it can be coaxial setting, and it also can be arranged for non-coaxial.
21. switch modules according to claim 1, it is characterized in that, described keyswitch controls to be realized by the combination of the oblique cubic total reflection prism (1554) of collector lens (1551), the light pipe being positioned at optical gate (1541) both sides or optical fiber (1552) and light pipe or optical fiber (1553), 2 secondary reflections and the optical gate (1541) with a through hole (1542) and.
22. switch modules according to claim 1, it is characterized in that, the optical gate (1641) that described keyswitch controls pass through free curved surface prism (1651), setting has a porosity characteristics (1642) and the light guide (1652) being positioned at optical gate opposite side realize.
23. switch modules according to claim 1, it is characterized in that, the optical gate (1741) that described keyswitch controls pass through collector lens (1754), collimation lens (1751), setting have a porosity characteristics (1742) and be positioned at optical gate both sides and there are two mirror tunnel (1752) of light reflectance signature (1752-1) and (1753-1) and (1753) realize.
24. switch modules according to claim 1, it is characterized in that, described keyswitch controls to pass through collector lens or collimation lens (1851), setting has the optical gate (1841) of a porosity characteristics (1842), SMD PT pipe (18) on the left of it vertically can be placed on side by 90-degree rotation, the optically focused part in left side is directly a collector lens (1853), it can be convex lens, or be Fresnel Lenses, and be positioned at and on the right side of optical gate, there is light reflectance signature (1852-1) mirror tunnel (1852) and realize.
25. switch modules according to claim 22 or 23, it is characterized in that, described mirror tunnel (1752) and (1753) and (1852), can for having light reflectance signature mirror tunnel, also can for having the optical prism of light total reflection feature.
26. switch modules according to claim 1, it is characterized in that, described keyswitch controls by the multimode optical fiber (1952) of the 1/2 cycle GRIN Lens (1951) and (1954) and optical communication that are positioned at the optical communication of optical gate (1941) both sides and (1953) and to realize with the optical gate of a lenticular lens features (1942).
27. switch modules according to claim 1, it is characterized in that, described keyswitch controls by the GRIN Lens (2053) in the multimode optical fiber (2052) of the GRIN Lens (2051) and (2056) and optical communication that are positioned at 1/2 cycle of the optical communication of optical gate (2041) both sides and (2055), 1/4 cycle and (2054) and to realize with the optical gate with a porosity characteristics (2042) that key axle links.
28. switch modules according to claim 1, it is characterized in that, described keyswitch controls will to control and regulate the state of photosignal to arrange completely conversely as required, namely when button continues to press down, it is fewer and feweri that SMD PT manages (18) upper light assembled, and the current signal of generation is more and more weak; When button pressed is to about 4.30mm, light path disconnects completely, and SMD PT manages (18) and do not receive light, and its current signal produced is zero; When switch upwards resilience time, light path starts conducting, and it is more and more stronger that SMD PT manages the photosignal produced in (18), and when spring loosens completely, photosignal reaches the strongest state; The change procedure of photosignal is proportional being changed by strong extremely weak linear relationship with button pressed stroke, and backhaul is changed by weak extremely strong linear relationship.
29. switch modules according to claim 1, it is characterized in that, described keyswitch controls can by the optical gate (2141) being positioned at the light pipe (2151) of optical gate both sides and (2352) or optical fiber (2152) and (2251), link together with key axle, what be positioned at optical gate lead to the hole site is plane, another side is the refracting prisms (2142) on inclined-plane or be plane, another side is that zigzag Fresnel Lenses (2242) realizes; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
30. switch modules according to claim 1, it is characterized in that, described keyswitch controls to be managed (18) by the SMD PT being positioned at the light pipe (2352) of optical gate side or optical fiber (2451), the optical gate (2341) linked together with key axle or (2441), 90-degree rotation are vertically placed, and Fresnel collimation lens (2351) or (2452) realize; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
31. switch modules according to claim 1, it is characterized in that, described keyswitch controls to pass through freely curved face total reflection prism (2551), the optical gate (2541) linked together with key axle, the light pipe of optical gate opposite side or optical fiber (2552) and realizes; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
32. switch modules according to claim 1, it is characterized in that, described keyswitch controls to be realized by collimation Fresnel Lenses (2651) and (2654), two mirror tunnel (2652) with light reflection mirror feature (2652-1) and (2653-1) and (2653), the optical gate (2641) that links together with key axle; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
33. switch modules according to claim 1, it is characterized in that, the SMD PT that described keyswitch controls vertically to be placed by collimation Fresnel Lenses (2751), one-sided mirror tunnel (2752), the optical gate (2741) linked together with key axle, the 90-degree rotation with light reflection mirror feature (2752-1) manages (18), and Fresnel collimation lens (2753) realizes; It controls and the state of adjustment photosignal is that, when button continues to press down, the current signal of generation is more and more weak, until disconnect completely, and when button loosens, and the current signal conducting of generation, and more and more stronger.
34. switch modules according to claim 1, is characterized in that, the described position pressing down the light path triggering and conducting of movement is be greater than 0.10 to the arbitrary size be less than between 10.00mm; Be pressed under described cross key axle between distance range 2.0 ~ 4.3mm, strength of current can according to the linear rising of the increase of depressed position, realize in this distance range by this cross key axle mobile by photosignal by weak to strong and by strong to weak control, this distance range is 2.0 ~ 4.3mm, and this distance range also can be set to be greater than 0.20 to the arbitrary size be less than between 15mm.
35. switch modules according to claim 1, is characterized in that, the position that described light path disconnects completely is 4.30mm, and this also can be set to be greater than 0.20 to the arbitrary size be less than between 15.00mm according to demand.
CN201510293788.4A 2015-06-01 2015-06-01 A kind of switching molding group for controlling and adjusting photosignal and be used for input equipment Active CN104991319B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510293788.4A CN104991319B (en) 2015-06-01 2015-06-01 A kind of switching molding group for controlling and adjusting photosignal and be used for input equipment
PCT/CN2015/083209 WO2016192170A1 (en) 2015-06-01 2015-07-02 Switch module for controlling and adjusting photoelectric signal to be input into device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510293788.4A CN104991319B (en) 2015-06-01 2015-06-01 A kind of switching molding group for controlling and adjusting photosignal and be used for input equipment

Publications (2)

Publication Number Publication Date
CN104991319A true CN104991319A (en) 2015-10-21
CN104991319B CN104991319B (en) 2019-03-26

Family

ID=54303154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510293788.4A Active CN104991319B (en) 2015-06-01 2015-06-01 A kind of switching molding group for controlling and adjusting photosignal and be used for input equipment

Country Status (2)

Country Link
CN (1) CN104991319B (en)
WO (1) WO2016192170A1 (en)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105742098A (en) * 2016-01-28 2016-07-06 东莞市长资实业有限公司 Photoelectric linear control keyboard key switch
CN106371514A (en) * 2016-08-31 2017-02-01 深圳天珑无线科技有限公司 Terminal and method for operating terminal
CN106603063A (en) * 2017-01-11 2017-04-26 东莞市长资实业有限公司 Photoelectric key switch employing digital image processing technology
CN106656146A (en) * 2017-02-09 2017-05-10 东莞市旭田电子有限公司 Optical axis keyboard key, trigger travel setting method thereof, and optical axis keyboard
CN106772972A (en) * 2015-11-19 2017-05-31 刘伟 A kind of transmission-reflecting sunlight transmitting device of the fixation of split type tool reflection handle
CN106933373A (en) * 2015-12-31 2017-07-07 周婷 A kind of button and keyboard
CN106980389A (en) * 2017-04-27 2017-07-25 华侨大学 A kind of remote keyboard control instruction system based on optical fiber sensing technology
CN107370480A (en) * 2017-08-22 2017-11-21 无锡华普微电子有限公司 Button human body infrared inductive switch
CN107369722A (en) * 2017-06-27 2017-11-21 上海集成电路研发中心有限公司 A kind of sensor-packaging structure and preparation method thereof
CN107438403A (en) * 2016-09-30 2017-12-05 深圳市美德医疗电子技术有限公司 Feed back the feedback device under button and magnetic resonance environment
CN109828286A (en) * 2019-03-08 2019-05-31 上海禾赛光电科技有限公司 Laser radar
WO2019138683A1 (en) * 2018-01-15 2019-07-18 ソニー株式会社 Connector, connector set, cable, and electronic equipment
TWI674608B (en) * 2018-10-25 2019-10-11 達方電子股份有限公司 Optical keyswitch with adjustable triggering function and related optical keyboard
US10637470B2 (en) 2018-01-05 2020-04-28 Darfon Electronics Corp. Optical keyswitch
CN112578572A (en) * 2020-12-09 2021-03-30 西安炬光科技股份有限公司 Optical element and optical module
US11018667B2 (en) 2018-01-05 2021-05-25 Darfon Electronics Corp. Optical keyswitch
CN112992105A (en) * 2019-12-13 2021-06-18 雅马哈株式会社 Setting device and operation member
CN113227864A (en) * 2019-08-08 2021-08-06 洛克利光子有限公司 Panel-form pluggable remote laser source and system including same
US11721500B2 (en) 2021-04-07 2023-08-08 Darfon Electronics Corp. Keyswitch assembly and support mechanism thereof
US11735379B2 (en) 2021-04-07 2023-08-22 Darfon Electronics Corp. Keyswitch assembly
US11770123B2 (en) 2018-01-05 2023-09-26 Darfon Electronics Corp. Optical keyswitch comprising a keycap having a light transmission area and a keycap projection area projected on a circuit board
TWI817055B (en) * 2020-02-14 2023-10-01 美商谷歌有限責任公司 Collimator lens assembly, a system of transmitting information through a fiber optic data port, and a method of the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109302170B (en) * 2018-08-30 2022-07-22 歌尔科技有限公司 Analog key, terminal device and control method of analog key
JP7396057B2 (en) * 2020-01-14 2023-12-12 オムロン株式会社 Switch manufacturing method and optical unit manufacturing method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6477292B1 (en) * 1999-09-07 2002-11-05 Seikoh Giken Co., Ltd. Reflection mirror type optical fiber switch
CN1423142A (en) * 2001-11-28 2003-06-11 上海中科光纤通讯器件有限公司 Reflective compact photoswitch
US20050041908A1 (en) * 2003-08-22 2005-02-24 Shifang Li Miniature magneto-optic fiber optical switch
JP2006525536A (en) * 2003-04-30 2006-11-09 ポラティス リミテッド Optical switching using fiber optic connectors
CN201732186U (en) * 2010-07-30 2011-02-02 上海中科光纤通讯器件有限公司 Single-fiber to four-fiber mechanical compact optical switch structure
CN203630395U (en) * 2013-12-24 2014-06-04 上海中科光纤通讯器件有限公司 1*2 mechanical T type polarization-maintaining optical-switch structure
CN203658620U (en) * 2013-12-24 2014-06-18 上海中科创欣通讯设备有限公司 A 2*4 bypass mechanical type compact type optical switch structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3533328B2 (en) * 1998-02-02 2004-05-31 株式会社河合楽器製作所 Photoelectric sensor for electronic keyboard instruments
JP4360172B2 (en) * 2003-10-09 2009-11-11 ヤマハ株式会社 Optical fiber holding member
US7745750B2 (en) * 2006-03-17 2010-06-29 Lutron Electronics Co., Inc. Dimmer switch having an illuminated button and slider slot
CN101794569B (en) * 2010-01-22 2011-06-08 上海九歌乐器音响有限公司 Photoelectronic device for touch response of musical instrument
CN204964817U (en) * 2015-06-01 2016-01-13 东莞市长资实业有限公司 Control and regulation photosignal are used for input device's switch module

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6477292B1 (en) * 1999-09-07 2002-11-05 Seikoh Giken Co., Ltd. Reflection mirror type optical fiber switch
CN1423142A (en) * 2001-11-28 2003-06-11 上海中科光纤通讯器件有限公司 Reflective compact photoswitch
JP2006525536A (en) * 2003-04-30 2006-11-09 ポラティス リミテッド Optical switching using fiber optic connectors
US20050041908A1 (en) * 2003-08-22 2005-02-24 Shifang Li Miniature magneto-optic fiber optical switch
CN201732186U (en) * 2010-07-30 2011-02-02 上海中科光纤通讯器件有限公司 Single-fiber to four-fiber mechanical compact optical switch structure
CN203630395U (en) * 2013-12-24 2014-06-04 上海中科光纤通讯器件有限公司 1*2 mechanical T type polarization-maintaining optical-switch structure
CN203658620U (en) * 2013-12-24 2014-06-18 上海中科创欣通讯设备有限公司 A 2*4 bypass mechanical type compact type optical switch structure

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106772972A (en) * 2015-11-19 2017-05-31 刘伟 A kind of transmission-reflecting sunlight transmitting device of the fixation of split type tool reflection handle
CN106772972B (en) * 2015-11-19 2020-03-27 刘伟 Split type fixed transmission-reflection type sunlight transmission device with reflection handle
CN106933373A (en) * 2015-12-31 2017-07-07 周婷 A kind of button and keyboard
CN105742098B (en) * 2016-01-28 2019-02-01 东莞市长资实业有限公司 A kind of button switch for keyboard of photo-electric Linear Control
CN105742098A (en) * 2016-01-28 2016-07-06 东莞市长资实业有限公司 Photoelectric linear control keyboard key switch
CN106371514A (en) * 2016-08-31 2017-02-01 深圳天珑无线科技有限公司 Terminal and method for operating terminal
CN107438403A (en) * 2016-09-30 2017-12-05 深圳市美德医疗电子技术有限公司 Feed back the feedback device under button and magnetic resonance environment
WO2018058589A1 (en) * 2016-09-30 2018-04-05 深圳市美德医疗电子技术有限公司 Feedback key, and feedback device in magnetic resonance environment
CN106603063A (en) * 2017-01-11 2017-04-26 东莞市长资实业有限公司 Photoelectric key switch employing digital image processing technology
CN106603063B (en) * 2017-01-11 2023-05-02 东莞市长资实业有限公司 Photoelectric key switch adopting digital image processing technology
CN106656146A (en) * 2017-02-09 2017-05-10 东莞市旭田电子有限公司 Optical axis keyboard key, trigger travel setting method thereof, and optical axis keyboard
CN106656146B (en) * 2017-02-09 2020-07-28 东莞市旭田电子有限公司 Optical axis keyboard key, trigger stroke setting method thereof and optical axis keyboard
CN106980389A (en) * 2017-04-27 2017-07-25 华侨大学 A kind of remote keyboard control instruction system based on optical fiber sensing technology
CN106980389B (en) * 2017-04-27 2023-05-05 华侨大学 Remote keyboard control instruction system based on optical fiber sensing technology
CN107369722A (en) * 2017-06-27 2017-11-21 上海集成电路研发中心有限公司 A kind of sensor-packaging structure and preparation method thereof
CN107370480B (en) * 2017-08-22 2023-07-21 无锡华普微电子有限公司 Button type human body infrared induction switch
CN107370480A (en) * 2017-08-22 2017-11-21 无锡华普微电子有限公司 Button human body infrared inductive switch
US11770123B2 (en) 2018-01-05 2023-09-26 Darfon Electronics Corp. Optical keyswitch comprising a keycap having a light transmission area and a keycap projection area projected on a circuit board
US11855624B2 (en) 2018-01-05 2023-12-26 Darfon Electronics Corp. Optical switch comprising a movable member to rotate in response to movement of a support mechanism to change the intensity of received optical signal
US10637470B2 (en) 2018-01-05 2020-04-28 Darfon Electronics Corp. Optical keyswitch
US11108393B2 (en) 2018-01-05 2021-08-31 Darfon Electronics Corp. Optical keyswitch triggered by support mechanism having at least one rotatable frame enable a protrusion to move along with a key cap
US11018667B2 (en) 2018-01-05 2021-05-25 Darfon Electronics Corp. Optical keyswitch
CN111566529A (en) * 2018-01-15 2020-08-21 索尼公司 Connector, connector set, cable and electronic device
JPWO2019138683A1 (en) * 2018-01-15 2021-01-28 ソニー株式会社 Connector, connector set, cable and electronics
WO2019138683A1 (en) * 2018-01-15 2019-07-18 ソニー株式会社 Connector, connector set, cable, and electronic equipment
US11480743B2 (en) 2018-01-15 2022-10-25 Sony Corporation Connector, connector set, cable, and electronic apparatus
JP7196862B2 (en) 2018-01-15 2022-12-27 ソニーグループ株式会社 Connectors, connector sets, cables and electronics
CN111566529B (en) * 2018-01-15 2023-04-04 索尼公司 Connector, connector set, cable and electronic device
TWI674608B (en) * 2018-10-25 2019-10-11 達方電子股份有限公司 Optical keyswitch with adjustable triggering function and related optical keyboard
CN109828286A (en) * 2019-03-08 2019-05-31 上海禾赛光电科技有限公司 Laser radar
CN113227864A (en) * 2019-08-08 2021-08-06 洛克利光子有限公司 Panel-form pluggable remote laser source and system including same
CN112992105A (en) * 2019-12-13 2021-06-18 雅马哈株式会社 Setting device and operation member
CN112992105B (en) * 2019-12-13 2024-04-19 雅马哈株式会社 Setting device and operating member
TWI817055B (en) * 2020-02-14 2023-10-01 美商谷歌有限責任公司 Collimator lens assembly, a system of transmitting information through a fiber optic data port, and a method of the same
CN112578572A (en) * 2020-12-09 2021-03-30 西安炬光科技股份有限公司 Optical element and optical module
US11721500B2 (en) 2021-04-07 2023-08-08 Darfon Electronics Corp. Keyswitch assembly and support mechanism thereof
US11735379B2 (en) 2021-04-07 2023-08-22 Darfon Electronics Corp. Keyswitch assembly

Also Published As

Publication number Publication date
CN104991319B (en) 2019-03-26
WO2016192170A1 (en) 2016-12-08

Similar Documents

Publication Publication Date Title
CN104991319A (en) Switch module controlling and adjusting photoelectric signals to be input into device
US3886544A (en) Keyboard using optical switching
CN100562771C (en) Improve the equipment of fiber optic coupling efficiency
JP4348604B2 (en) Optical path conversion type optical coupling element
TWI612353B (en) Optical socket and optical module having the same
CN204964817U (en) Control and regulation photosignal are used for input device's switch module
WO2016134560A1 (en) Switch module for photoelectric integral mechanical axis keyboard
CN105450208B (en) A kind of photoelectric integral type mechanical axis keyboard switch mould group
CN205264550U (en) Reflective input device switch module that has dentate structure of ultra -thin type optics
CN105742098B (en) A kind of button switch for keyboard of photo-electric Linear Control
CN111355533B (en) VCSEL-based free-space active optical transceiver module
US11025030B2 (en) Optical module
CN112505807B (en) Terahertz wave collimation focusing lens and terahertz wave system
CN211348748U (en) Optical module structure
CN205406349U (en) Keyboard key switch of photoelectric type linear control
US6404941B1 (en) Optical multiple circuit breaker
KR20000029803A (en) Light dissipating spring interconnection between lightguides
CN106908910A (en) A kind of coupled structure of multimode fibre and photodetector
CN101344616B (en) Four-fiber optical fiber collimating device
CN210720819U (en) Optical transceiver
CN202196203U (en) Coaxial single fiber bidirectional device
CN202221483U (en) Four-fiber optical fiber collimator
WO2007137492A1 (en) Key encoder input module
JPH10190581A (en) Light converging device and optical signal transmitter
CN220855236U (en) Micro-lens structure for providing light deflection function

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 523000 Guangdong province Dongguan city Dalang town Lang Park Pine Road No. 168

Applicant after: The Dongguan mayor provides Industrial Co., Ltd.

Address before: 523000 Guangdong province Qingyuan city Dalang town Lang Park Pine Road No. 168

Applicant before: The Dongguan mayor provides Industrial Co., Ltd.

COR Change of bibliographic data
GR01 Patent grant
GR01 Patent grant