EP2979288B1 - Tastenmodul für eine taste einer tastatur und verfahren zum herstellen eines tastenmoduls für eine taste einer tastatur - Google Patents

Tastenmodul für eine taste einer tastatur und verfahren zum herstellen eines tastenmoduls für eine taste einer tastatur Download PDF

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Publication number
EP2979288B1
EP2979288B1 EP14707377.9A EP14707377A EP2979288B1 EP 2979288 B1 EP2979288 B1 EP 2979288B1 EP 14707377 A EP14707377 A EP 14707377A EP 2979288 B1 EP2979288 B1 EP 2979288B1
Authority
EP
European Patent Office
Prior art keywords
module
key
light
light source
translucent
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.)
Active
Application number
EP14707377.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2979288A1 (de
Inventor
Karl-Heinz Müller
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.)
ZF Electronics GmbH
Original Assignee
ZF Electronics GmbH
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Filing date
Publication date
Application filed by ZF Electronics GmbH filed Critical ZF Electronics GmbH
Publication of EP2979288A1 publication Critical patent/EP2979288A1/de
Application granted granted Critical
Publication of EP2979288B1 publication Critical patent/EP2979288B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/10—Bases; Stationary contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/056—Modular conception
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/07—Actuators transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/038—Casings transparent

Definitions

  • the present invention relates to a key module of a key of a keyboard and to a method of manufacturing a key module of a key of a keyboard.
  • keyboards Of a total number of keyboards produced annually, a noticeable part is needed for the so-called "gaming segment". In order to be able to operate computer applications well even in dark rooms, some keyboards already have backlit key buttons. When playing computer games, for example, but in addition to a brightness-independent recognizability of keys and a feel when pressing the keys is crucial. In particular, when pressing the keys, the player should feel sufficient resistance with a sufficiently traveled path to be able to ensure a clear separation of various input commands in complex and fast games.
  • the US 7,172,303 B2 discloses an illuminated keyboard with a lacquered, transparent button button, whose symbolism is illuminated by a light source.
  • a worn on the surface with a laser symbolism is illuminated by a light guide channel.
  • the light source is in this case outside of an area of the key button.
  • the publication EP 0 083 508 A1 discloses a contact structure for an alternating switching mechanism according to the preamble of claim 1.
  • the present invention provides an improved keypad key module and method for manufacturing a key module for a key of a keyboard according to the main claims.
  • Advantageous embodiments will become apparent from the dependent claims and the description below.
  • an advantageous key module for a backlit keyboard key may in particular be a key module with a breakthrough in the module base for receiving a light source, such as an RGB LED, and with a special, designed for light distribution module cover.
  • the module base and / or the module cover of the key module have a section for receiving the light source and / or a section for conducting light emitted by the light source.
  • a uniform backlighting of a key symbolism can be achieved. It is possible to use an existing module model with minor modifications. Thus, by slight changes to individual parts of the key module or no or only slight changes in module production uniform, clean backlighting of the key symbolism can be achieved, for example, without the use of additional components, in particular an additional light guide or optical fiber channel.
  • a standard module assembly in particular a standard MX module assembly, such as a circuit board assembly or frame assembly done. Only one light source per key module is required. Thus, for example, no additional burden of manufacturing equipment or production machines.
  • a particularly advantageous key module for a key of a keyboard having a module base, a module cover which can be coupled to the module base and a key tappet for coupling a button key translucent in at least one symbol section
  • the module base has at least one passage opening between a bottom section of the keyboard Button module and the module cover and that the module cover one for light from a light source, in particular a color changeable light source for backlighting the symbol portion of the key button translucent portion which is aligned in a coupled to the module base state of the module cover with the at least one through hole.
  • the translucent section and the passage opening are preferably aligned along a straight line, more preferably along a straight line parallel to a longitudinal extension axis of the key tappet.
  • the term "aligned” is understood to mean such an arrangement in which light from a light source, in particular the color-changeable light source, can radiate from the direction of the passage opening or through the passage opening to and through the translucent section for backlighting the symbol section of the button button.
  • a keyboard may have at least one key, with one key module per key.
  • a key may comprise the key module or be formed by the key module.
  • the key module may be, for example, a so-called MX module or the like.
  • MX module a so-called MX module or the like.
  • the module base and the module cover of the key module can, in an interconnected state thereof, represent a basic body of the key module.
  • the key tappet In an assembled state of the key module, the key tappet may be partially movably received in a base body of the key module formed by the module base and the module cover along a longitudinal extension axis of the key tappet. In this case, the key tappet may extend through an opening in the module cover.
  • the key tappet may have a portion depending on a movement or actuation of the same depending variable protruding from the module cover.
  • the bottom portion of the key module may include a portion of the module base. At the bottom portion of the key module is attachable to a support element.
  • the module cover In an assembled state of the key module, the module cover may be disposed between the module base and a keytop coupled to the key tappet.
  • the key module may comprise the light source, preferably a color changeable light source.
  • the light source can be arranged adjacent to the bottom section of the key module or on the module cover.
  • the light source may be a light-emitting diode (LED).
  • the color-changeable light source may preferably be an RGB LED or RGB LED or red-green-blue LED.
  • the light source may be a surface mount light source or SMD (SMD) surface-mounted device (SMD).
  • SMD surface mount light source
  • the light source may be configured to emit light through the translucent portion of the module cover to a coupled key button or to an installation location of the dockable key button.
  • the light source may be configured to emit light through the passage opening of the module base and the translucent portion of the module cover to a coupled key button or to an installation location of the dockable key button.
  • Such an embodiment has the advantage that light or an arbitrary choice of color of the light emitted by the light source for the backlighting of the key top or key button is made possible by means of only one light source. Also, a standard surface mounting or SMD mounting of the light source, such as the RGB LED, take place.
  • a longitudinal extension axis of the key tappet may be arranged at a distance from an installation location of the light source.
  • a mounting region of the light source can be spaced from a mounting region of the key tappet.
  • the longitudinal extension axis of the key tappet can run through a center or center region of the key module.
  • the key module may have the at least in a symbol portion translucent key button, which is coupled to the key tappet.
  • the key button on a coupled state in the module cover Side facing a light scattering device for scattering light from the light source on at least one portion of the symbol portion comprising the button button.
  • the button may represent a visible to the operator and depressible part of the button module.
  • the light scattering device may be a diffusing screen, scattering surface or the like.
  • the key tappet for light from the light source can be made translucent.
  • Such an embodiment offers the advantage that a uniform illumination or backlighting of the key top can be improved, since such a key blade is not a relevant obstacle to the light from the light source.
  • the module base or alternatively the module cover or, further alternatively, the module base and the module cover may have an at least partially translucent section for the light from the light source.
  • the module base and / or the module cover comprises a translucent area in a wall section leading to the key tappet.
  • the translucent region may be formed from a translucent material and / or by at least one passage or passage leading to the key tappet. More preferably, only visible from outside the module base or the module cover wall sections are formed opaque to the leading to the key button wall portion of the module cover, wherein the enclosed by these wall sections inner wall sections are formed translucent.
  • the module base or the module cover can be formed from a combination of an opaque and a translucent material.
  • the module base or the module cover to reduce the manufacturing costs may be formed entirely of a translucent material, wherein the opaque portions of the module base and the module cover are provided with an opaque coating.
  • the module base or the module cover can be formed entirely from an opaque material be, wherein the translucent portion of the module base or the module cover is formed by the at least one passage or passage.
  • a more homogeneous illumination of the symbol portion of the key top can be achieved.
  • a smoother and more uniform illumination of the key top is achieved.
  • light scattering to an adjacent key module or module base can be largely or almost completely avoided.
  • the through-hole is provided to be transparent to light from the light source and / or formed to receive at least a portion of the light source.
  • the passage opening may have an opening profile with a surface which corresponds at least to a base area of the light source.
  • the light source can protrude at least partially into the passage opening or light from the light source can pass through the passage opening.
  • the translucent section of the module cover may comprise a transmission opening which can be irradiated by light from the light source or a light scattering device.
  • the light scattering device may be formed as a diffusing screen or scattering surface.
  • the scattering surface may preferably be formed lens-shaped or prism-shaped for backlighting the symbol portion of the button button.
  • the scattering surface may preferably form other shapes suitable for illuminating the symbol portion, such as, for example, a spherical segment surface.
  • the light scattering device can be arranged on a surface of the module cover facing the module base or the button button in the assembled state of the button module.
  • the module cover thus has, at least in the region of the light scattering device, a material that is translucent, transmissive or transparent to light from the light source.
  • a material that is translucent, transmissive or transparent to light from the light source offers the advantage that thus light from the light source for a lighting or backlighting of the button button can be spread evenly.
  • a brighter illumination of the module cover results in comparison with the light scattering device in the area of the key button opposite the radiation opening.
  • a light-guiding device may be provided for guiding light from the light source.
  • the light-guiding device can be arranged to extend at least from the through-opening of the module base to a light-guiding opening formed by the translucent section of the module cover.
  • the light-conducting device may have a light guide channel or light guide channel.
  • a light scattering device in particular a scattering disk or scattering surface as described above, can be arranged on an end of the light-guiding device facing the coupled-on button button. The light scattering device can be provided in the vicinity of the key button.
  • a surface side of the light diffuser facing the keytop may be disposed between a closest surface side of the module cover facing the keytop and the keytop.
  • the arrangement of the light scattering device is preferably chosen such that the button button can be operated unhindered. More preferably, the light scattering device can form an actuation end stop for the key top. In other words, a maximum actuation travel of the key top and / or the key tappet corresponds to a direct distance from an underside of the key top to the underside surface opposite the underside of the light diffuser.
  • the surface side of the light scattering device facing the button button and the closest surface side of the module cover facing the button button lie in one plane.
  • the surface side of the light scattering device between the key surface facing the button button surface side of the module cover and the passage opening of the module base can be arranged.
  • the preferred embodiment has the advantage that the light source can be arranged in the bottom portion of the key module, but a light pipe to the coupled key button are improved by the light guide can, where the light guide is as close as possible to the key button for better illumination desselbigen achievable.
  • the light-guiding device can be a separate component which can be attached to the key module, which component is furthermore preferably releasably attachable.
  • the light-guiding device has fastening means for attaching the light-guiding device to the key module.
  • These fastening means may be, for example, conventional latching means such as latching hooks or latching pins, which are intended to cooperate with the passage opening of the module base.
  • the latching hook can be provided, for example, for latching into the passage opening of the module base or into the translucent section of the module cover or for engaging behind an edge bordering or enclosing the passage opening or the translucent section.
  • the latching pin may for example be formed as a plug-in pin, which further preferably has a necessary for a press fit cross-sectional thickness, wherein the cross-sectional thickness corresponds to at least one opening width of the through hole or the translucent portion. More preferably, the locking pin in the receiving direction of the through hole or the translucent portion be formed tapered to simplify the assembly.
  • the key module and the light guide may have corresponding locking means, wherein either the light guide or the key module locking projections such as latching hooks and the other of these components correspondingly assigned latching recesses or latching projections for latching receiving the latching means. More preferably, the module cover and / or the module base may have corresponding latching means.
  • the method can be advantageously carried out in conjunction with a variant of the key module described above.
  • a variant of the key module described above can be advantageously produced.
  • a first version of the key module may be provided.
  • the light source may be disposed on the support member.
  • the carrier element may have a printed circuit board.
  • the light source can be arranged in the step of bonding by means of surface mounting to the circuit board.
  • the first version of the key module comprises a key module for a key of a keyboard, wherein the key module has a module base, a module cover which can be coupled to the module base and a key tappet for coupling a key button translucent at least in one symbol segment, characterized in that the module base has at least one passage opening between a bottom portion of the key module and the module cover and that the module cover has a translucent for light from a light source, in particular a color changeable light source for backlighting the symbol portion of the key button, which is aligned in a coupled to the module base state of the module cover with the at least one through hole ,
  • the key module, the light source, in particular the color changeable light source, a longitudinal axis of the key tappet spaced from a mounting location of the light source the key module may have at least in a symbol portion translucent key button, which is coupled to the key tappet, wherein the key button on a in the coupled state of the module cover side facing a light scattering device for scattering light from
  • a second version of the key module may be provided in the step of providing.
  • the light source may be disposed on the support member.
  • the method may include a step of arranging the light guide for guiding light from the light source so that the light guide extends at least from the passage opening of the module base to the light guide opening of the module cover.
  • the third version of the key module comprises a key module for a key of a keyboard, wherein the key module has a module base, a module cover which can be coupled to the module base and a key tappet for coupling a key button translucent at least in one symbol segment, characterized in that the module base has at least one passage opening between a bottom portion of the key module and the module cover and that the module cover has a translucent for light from a color changeable light source for backlighting the symbol portion of the key button, which is aligned in a coupled to the module base state of the module cover with the at least one through hole.
  • the module base may have a through hole and the translucent portion of the module cover may have a Lichtleitö réelle, and may further be provided a light guide for guiding light from the light source, wherein the light guide at least from the through hole of the module base up to the Lichtleitö réelle of the module cover can be arranged extending out.
  • Fig. 1A shows a perspective view of a partially mounted key module 100 according to an embodiment of the present invention on a support member 110.
  • the key module 100 is thus in Fig. 1A shown in a partially incomplete mounting state.
  • the key module 100 is a key module for a key of a keyboard.
  • a light source 120, a module socket 130 having a through hole 135, and a key tappet 140 are attached to the support member 110.
  • the carrier element 110 has, for example, a printed circuit board.
  • the key tappet 140 is attached to the module base 130.
  • the light source 120 is implemented as a color changeable light source 120.
  • the light source 120 is electrically conductively and mechanically connected to the support member 110 by means of surface mounting, for example.
  • the module base 130 of the key module 100 has the passage opening 135.
  • the passage opening 135 is designed to receive the light source 120 or to allow passage of the light source 120 through the passage opening 135.
  • the module base 130 is attached to the support member 110.
  • a side of the module base 130 facing the carrier element 110 represents a bottom section of the key module 100.
  • the module base 130 is attached to the carrier element 110 in such a way that the light source 120 extends at least partially through the passage opening 135.
  • the through hole 135 is formed in an edge portion of a base of the module base 130.
  • the module base 130 further has a receiving portion for the key tappet 140.
  • the receiving portion of the module base 130 is formed in a central area of the base of the module base 130.
  • the module base 130 has in the in Fig. 1A shown plan view of an approximately rectangular outline.
  • a main body of the key tappet 140 has in the in Fig. 1A also show an approximately rectangular outline.
  • the main body of the key tappet 140 is arranged approximately centrally in the module base 130.
  • the key tappet 140 has a cross-shaped elevation which rises above a surface of the main body of the key tappet 140.
  • the survey may be formed for example by two intersecting webs. The survey may be arranged centrally on the surface of the main body of the key tappet 140.
  • External portions of the module base 130 form a peripheral edge around the main body of the key tappet 140.
  • the through hole 135 is disposed adjacent to the key tappet 140 in the peripheral edge of the module base 130.
  • the passage opening 135 extends along a side wall of the main body of the key tappet.
  • the passage opening 135 has a rectangular opening cross-section.
  • the opening cross section may have a length that is at least twice as long as a width of the opening cross section.
  • the opening cross-section may have a length which corresponds at least to a length of the side wall of the key tappet 140 facing the passage opening 135.
  • the passage opening 135 may extend over the entire length of the side wall of the key tappet 140.
  • the through-hole 135 and the key-tappet 140 may be separated from one another by a narrow web formed by a portion of the peripheral edge of the module base 130.
  • the key tappet 140 of the key module 100 is partially disposed in the receiving portion of the module base 130.
  • the key tappet 140 protrudes away from the module base 130 and the support member 110. Exactly speaking, this is a first end of the key tappet 140, for example at least a part of said key body of the key tappet, is received in the key module 100 and a second end of the key tappet 140 formed by at least part of said key tappet 140 is used as a coupling portion for coupling a keytop Button button shaped.
  • a so-called MX module is shown as the key module 100 with an RGB light-emitting diode receiving device in the form of the passage opening 135.
  • the key module 100 is shown with the passage opening 135 as a receiving device for the light source 120 or RGB light emitting diode.
  • the passage opening 135 can be realized as a breakthrough in the module base 130 or bottom portion into which the light source is immersed.
  • a standard MX module bottom can be used with a slight modification.
  • a translucent configuration of the key tappet 140 is dispensable, since a symbolism formed on a coupled keytop can be directly illuminated by light from the light source 120.
  • the key tappet 140 may be of translucent or transparent material in order to enlarge a backlit area on a key top.
  • a further through opening for passing the light emitted by the light source 120 may be provided in the side wall of the module base 130 facing the key tappet 140 and / or the module cover 150. This allows a more uniform illumination of a button button can be achieved.
  • the module base 130 may have one or more further passage openings for one or more further light sources.
  • a further passage opening may be arranged on an opposite side of the key tappet 140 to the passage opening 135.
  • Fig. 1B shows the key module 100 Fig. 1A from a relative to Fig. 1 A rotated perspective, wherein the key module 100 in a compared with Fig. 1 A more advanced mounting state is shown.
  • the representation in Fig. 1 B corresponds to the illustration Fig. 1A notwithstanding the changed perspective, except that the key module 100 additionally shows a module cover 150, and because of the illustration, the light source and through-hole are hidden in the view.
  • the key module 100, the support member 110, the module base 130, the key tappet 140, and the module cover 150 are shown.
  • the module cover 150 is coupled to the module base 130.
  • the key tappet 140 extends through an opening in the module cover 150.
  • the second end or the coupling portion of the key tappet 140 protrudes out of the module cover 150.
  • the module cover 150 is formed according to the embodiment of the present invention shown here from a translucent or transparent or translucent material.
  • a translucent module cover 150 or MX cover of the key module 100 is shown.
  • the module cover 150 is made of transparent material and serves as a light guide between the light source and the engageable key button.
  • the module cover 150 may include an in Fig. 1 B not explicitly shown light scattering device have. By a targeted design of the light scattering device or light scattering surface, an illuminable surface on the key button can be additionally increased.
  • Fig. 1C shows the key module 100 Fig. 1B from a relative to Fig. 1 B rotated perspective, wherein the key module 100 in a respect Fig. 1B different mounting state is shown.
  • the representation in Fig. 1C corresponds to the illustration Fig. 1B apart from the changed perspective except that key module 100 additionally shows a key top 160 with a symbol portion 165, the key module 100 is shown in a separate state from support member 110 and by illustration is the key tappet, light source, and through port in FIG View are hidden.
  • the key module 100, the support member 110, the module base 130, the module cover 150, the key top 160, and the icon portion 165 are shown.
  • the key button 160 is coupled to the key tappet, even if in Fig. 1C presentation is not shown. Specifically, the keytop 160 is coupled to the coupling portion and the second end of the key tappet, respectively. In this case, the key button 160 spans the module cover 150 and the module base 130 by way of example.
  • the key button 160 has the symbol section 165.
  • the symbol portion 165 according to the embodiment of the present invention described herein exemplifies "AAA" as key symbols or symbols.
  • the key button 160 is hereby made translucent in the symbol section 165. Thus, when the button light 160 is illuminated by the light source, the icon section 165 is backlit.
  • the button button 160 is a user-visible and operable portion of the button module 100. When the button module 100 is operated by a user, the button button 160 is the button along with the key tappet relative to the module base 130, the module cover 150 and the light source and relative to the support member 110 movable.
  • a complete key module 100 is shown.
  • the key button 160 is exemplified as a transparent key button, which is coated opaque with a lacquer layer.
  • the lacquer layer is removed, for example by means of laser.
  • a symbolism contained in the symbol portion 150 is backlit by the light source in the form of an RGB LED in different colors. A selection of a color emitted by the light source for lighting, for example, by software or hardware by a user individually, as often as desired and at any time adjustable.
  • Fig. 1D shows the key module 100 Fig. 1C from a relative to Fig. 1C changed perspective, wherein the key module 100 in a respect Fig. 1C different mounting state is shown.
  • the representation in Fig. 1D corresponds to the illustration Fig. 1C notwithstanding the changed perspective, except that the key module 100 is shown in a state attached to the support member 110 and, as shown, the key tappet, the module cover, the light source, and the through hole are hidden in the view.
  • the key module 100, the support member 110, the module socket 130, the key button 160, and the icon portion 165 are shown.
  • the light source 120 or RGB SMD LED is soldered onto the carrier element 110 or the printed circuit board.
  • An assembly of the key module 100 onto the carrier element 110 can, due to standardized components, be effected by a standard process on the carrier element 110.
  • An RGB LED as the light source 120 has four terminals or pins or so-called pins two ports more than a standard LED.
  • Fig. 2 shows a plan view of a key module 100 for a key of a keyboard, according to another embodiment of the present invention. Shown are the key module 100, a support member 110, a light source 120, a module base 130, a key tappet 140, a module cover 150, and a translucent portion 255 of the module cover 150.
  • the key module 100 in FIG Fig. 2 corresponds here, for example, in the Figures 1 A to 1 D shown key module, wherein a mounting state of the key module 100 a mounting state as in Fig. 1B corresponds, except that in Fig. 2 the module cover 150 has the translucent portion 255 and, except for the translucent portion 255, is formed of, for example, an opaque material.
  • the translucent portion 255 is according to the in Fig. 2 illustrated embodiment of the present invention as a transmission opening formed.
  • the module cover 150 is an open cover made of standard material or original material of an MX module.
  • Fig. 3 shows a perspective view of a key module 100 for a key of a keyboard, according to another embodiment of the present invention. Shown are the key module 100, a support member 110, a module base 130, a key tappet 140, a module cover 150 and a translucent portion 355 of the module cover 150.
  • the key module 100 in FIG Fig. 3 corresponds to the in Fig. 2 shown button module except that in Fig. 3 the translucent portion 355 of the module cover 150 has a light scattering device.
  • the translucent section 355 or the light scattering device is shaped in particular as a scattering surface or scattering disk.
  • the scattering surface or diffusing screen is arranged either on a surface facing the light source or the module base 130 or on a surface of the module cover 150 facing the coupling button button in the translucent section 355.
  • the scattering surface can be designed lens or prismatic in order to provide a needs-based illumination of the button button can.
  • Other configurations of the scattering surface suitable for the predetermined scattering of the light such as, for example, a spherical segment surface, are likewise conceivable in order to be able to provide a correspondingly predetermined background illumination of the key button.
  • the scattering surface can be flat or directed in the direction of the key button or directed away from the key top. As a result, different intensities and distributions of the illumination for illuminating the symbol portion of the key button can be achieved.
  • Fig. 4 shows a perspective view of a key module 100 for a key of a keyboard, according to another embodiment of the present invention. Shown are the key module 100, a module socket 130, a key tappet 140, a module cover 150 and a translucent portion 355 of the module cover 150.
  • the key module 100 in FIG Fig. 4 corresponds to the example in Fig. 3 shown button module except that in Fig. 4 the key module 100 is shown from a changed perspective and no support member is shown.
  • a light source of the key module 100 is hidden due to the presentation.
  • the light source for example an RGB LED, can be arranged on a carrier element for the key module 100, for example on a printed circuit board.
  • the translucent Section 355 of the module cover 150 has a light scattering device, for example in the form of a scattering surface or lens.
  • Fig. 5 shows a perspective view of a key module 100 for a key of a keyboard, according to another embodiment of the present invention. Shown are the key module 100, a light source 120, a key tappet 140, a module cover 150, a translucent portion 255 of the module cover 150, a light guide 670 and a diffuser 675.
  • the key module 100 in FIG Fig. 5 corresponds to the example in Fig. 2 shown button module except that in Fig. 5 the key module 100 is shown from an altered perspective, no support member and no module socket are shown and the key module 100 further comprises the light guide 670 and the lens 675.
  • the light source 120 is, for example, an RGB light source.
  • the light source 120 is arranged in the region of a bottom section of the key module 100.
  • the light-conducting device 670 is accommodated in the translucent section 255 of the module cover 150 formed as a radiation opening and extends from the light source 120 through the translucent section 255.
  • the light guide 670 is exemplified as a Lichtleitkanal formed.
  • a first end of the light guide 670 is disposed adjacent to the light source 120.
  • a second end of the light-conducting device 670 is arranged in the region of a side of the module cover 150 facing away from the light source 120.
  • the diffuser 675 is attached to the second end of the light guide 670.
  • a module socket of the key module 100 is either in the view of Fig. 5 hidden or due to design omitted.
  • the key module 100 or MX module has the light guide device 670 or the light guide channel covered by the diffusing screen 675.
  • the light-conducting device 670 is thus an optical waveguide channel integrated in the key module 100.
  • the light guide 670 may be provided in a non-illustrated embodiment as a separate component which is detachably attachable to the key module 100.
  • the latching means may include conventional latching means such as latching hooks, latching projections and latching recesses to allow latching of the light guide 670 for releasably holding the light guide 670 on the key module 100. Furthermore, it is alternatively conceivable to fasten the light-guiding device 670 to the key module 100 by means of gluing in the case of a configuration which is not necessarily detachable.
  • Fig. 6A shows an altered perspective view of the key module Fig. 4 , This corresponds to the in Fig. 6A shown button module 100 in the Fig. 4 shown button module. Shown are the key module 100, the module base 130, the key tappet 140, the module cover 150 and the translucent portion 355 of the module cover 150 having a light scattering device.
  • Fig. 6B shows a sectional view of the key module Fig. 6A , Shown are a key module 100, a support member 110, a light source 120, a module socket 130, a through hole 135, a key tappet 140, a module cover 150, a key top 160 and a translucent portion 355 of the module cover 150
  • button module 100 corresponds to the in Fig. 6A displayed button module with the exception that in Fig. 6B
  • the support member 110 is provided
  • the key module 100 additionally has the key button 140 coupled to the key button and the light source 120 and the passage opening 135 are shown due to the presentation additionally shown.
  • the button module is off Fig. 6A cut along a longitudinal axis of the key tappet.
  • the light source 120 is arranged on the carrier element 110.
  • the carrier element 110 is, for example, a printed circuit board.
  • the module base 130 is attached to the support member 110.
  • the light source 120, the through hole 135 of the module base 130 and the translucent portion 355 of the module cover 150 are aligned with each other and aligned along a straight line. Light emitted by the light source 120 can pass through the passage opening 135 and the translucent section 355 and backlight the key button 160.
  • the module cover 150 can be embodied as a transparent or translucent module cover 150, the translucent section 355 having a light scattering device or a light scattering surface which has a spacing with respect to the button button 160.
  • Fig. 7 shows a sectional view of a key module 100 for a key of a keyboard, according to another embodiment of the present invention. Shown are a key module 100, a support member 110, a light source 120, a module socket 130, a through hole 135, a key tappet 140, a module cover 150, a key top 160, a translucent portion 355 of the module cover 150, and a light guide 880
  • button module 100 corresponds to the in Fig. 6B displayed button module with the exception that in Fig. 7 in addition, the light guide 880 is provided and the translucent portion 355 has a spacing with respect to the button knob 160 that is smaller than that in FIG Fig. 6B ,
  • the light guide 880 extends from the light source 120 through the through hole 135 to the translucent portion 355.
  • the light guide 880 is an integrated light guide.
  • the translucent section 355 has a light scattering device or a light scattering surface.
  • Fig. 8 shows a sectional view of a key module 100 for a key of a keyboard, according to another embodiment of the present invention. Shown are a key module 100, a support member 110, a light source 120, a module socket 130, a through hole 135, a key tappet 140, a module cover 150, a key top 160 and a translucent portion 355 of the module cover 150
  • button module 100 corresponds to the in Fig. 7B displayed button module with the exception that in Fig. 8 the translucent portion 355 has a spacing with respect to the keytop 160 that is less than that in FIG Fig. 6B ,
  • Fig. 9A shows a perspective view of the key module Fig. 2 , This corresponds to the in Fig. 9A shown button module 100, for example, the in Fig. 2 shown button module. Shown are the key module 100, the module base 130, the key tappet 140, the module cover 150 and the translucent section 255 of the module cover 150 having a radiation opening.
  • Fig. 9B shows a sectional view of the key module Fig. 9A , Shown are a key module 100, a support member 110, a light source 120, a module socket 130, a through hole 135, a key tappet 140, a module cover 150, a key top 160 and a translucent portion 255 of the module cover 150. Further, a section line AA is shown.
  • This in Fig. 9B shown button module 100 corresponds to the in Fig. 9A displayed button module with the exception that in Fig. 9B
  • the support member 110 is provided, the key module 100 additionally has the key button 140 coupled to the key button and the light source 120 and the passage opening 135 are shown due to the presentation additionally shown.
  • the button module is off Fig. 9A along a longitudinal axis of the key tappet 140 cut.
  • the light source 120 is arranged on the carrier element 110.
  • the carrier element 110 is, for example, a printed circuit board.
  • the module base 130 is attached to the support member 110.
  • the light source 120, the through hole 135 of the module base 130 and the translucent portion 255 of the module cover 150 are aligned with each other and aligned along a straight line. Light emitted by the light source 120 may pass through the through-hole 135 and the translucent portion 255 and backlight the keytop 160.
  • the module cover 150 may be embodied as a transparent or translucent module cover 150, wherein the translucent section 255 has a transmission opening or an opening.
  • Fig. 9C shows a sectional view of the key module Fig. 10B along the section line AA Fig. 9B ,
  • the carrier element is omitted in the illustration. Shown are the key module 100, the light source 120, the module base 130, the through hole 135, the key tappet 140, the module cover 150, and the translucent portion 255 of the module cover 150.
  • FIG. 12 shows a flow chart of a method 1100 for making a key module for a key of a keyboard according to an embodiment of the present invention.
  • the method 1100 may be performed in conjunction with a key module, such as one of the key modules, from one of the key modules Figures 1A to 9C be carried out advantageously.
  • a key module such as one of the key modules may be selected from one of the key modules Figures 1 A to 9C be made advantageous.
  • the method 1100 includes a step 1110 of providing a key module and a support member for supporting the key module.
  • Key module is one of the key modules from one of the FIGS. 1 A to 10C.
  • the method 1100 also includes a step 1120 of connecting a color-changeable light source electrically conductive and mechanically to the support member. Further, the method 1100 includes a step 1130 of attaching the key module to the support member such that the light source is aligned with the at least one through opening of the module base and the translucent portion of the module cover.
  • a key module such as one of the key modules may be selected from one of the key modules FIGS. 1A to 4 . 6A . 6B and 8 to 9C to be provided.
  • the light source can be arranged on a carrier element of the key module.
  • a key module such as one of the key modules
  • the light source in the step of connecting 1120, can be arranged on a carrier element of the key module.
  • the method may include a step 1140 of disposing a light guide for directing light from the light source such that the light guide extends at least from the passage opening of the module base to the light guide opening of the module cover.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Manufacture Of Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP14707377.9A 2013-03-28 2014-02-28 Tastenmodul für eine taste einer tastatur und verfahren zum herstellen eines tastenmoduls für eine taste einer tastatur Active EP2979288B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013205577.3A DE102013205577A1 (de) 2013-03-28 2013-03-28 Tastenmodul für eine Taste einer Tastatur und Verfahren zum Herstellen eines Tastenmoduls für eine Taste einer Tastatur
PCT/EP2014/053895 WO2014154439A1 (de) 2013-03-28 2014-02-28 Tastenmodul für eine taste einer tastatur und verfahren zum herstellen eines tastenmoduls für eine taste einer tastatur

Publications (2)

Publication Number Publication Date
EP2979288A1 EP2979288A1 (de) 2016-02-03
EP2979288B1 true EP2979288B1 (de) 2017-04-12

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EP14707377.9A Active EP2979288B1 (de) 2013-03-28 2014-02-28 Tastenmodul für eine taste einer tastatur und verfahren zum herstellen eines tastenmoduls für eine taste einer tastatur

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Country Link
US (1) US9728350B2 (zh)
EP (1) EP2979288B1 (zh)
JP (1) JP6367308B2 (zh)
KR (1) KR102106070B1 (zh)
CN (2) CN104078261B (zh)
AU (1) AU2014243387B9 (zh)
BR (1) BR112015016183B1 (zh)
CA (1) CA2900890C (zh)
DE (1) DE102013205577A1 (zh)
MY (1) MY174879A (zh)
RU (1) RU2645756C2 (zh)
WO (1) WO2014154439A1 (zh)

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Also Published As

Publication number Publication date
DE102013205577A1 (de) 2014-10-02
RU2015145847A (ru) 2017-05-04
CA2900890A1 (en) 2014-10-02
JP6367308B2 (ja) 2018-08-01
AU2014243387B9 (en) 2017-02-02
CA2900890C (en) 2021-02-02
JP2016515751A (ja) 2016-05-30
KR20150135295A (ko) 2015-12-02
US20160055988A1 (en) 2016-02-25
RU2645756C2 (ru) 2018-02-28
KR102106070B1 (ko) 2020-04-29
CN104078261A (zh) 2014-10-01
US9728350B2 (en) 2017-08-08
MY174879A (en) 2020-05-20
CN104078261B (zh) 2018-09-11
AU2014243387B2 (en) 2016-09-15
AU2014243387A1 (en) 2015-08-20
CN203910617U (zh) 2014-10-29
BR112015016183B1 (pt) 2021-02-09
EP2979288A1 (de) 2016-02-03
WO2014154439A1 (de) 2014-10-02
BR112015016183A2 (pt) 2017-07-11

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