WO2014194860A1 - Système commutateur et dispositif électronique l'utilisant - Google Patents

Système commutateur et dispositif électronique l'utilisant Download PDF

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Publication number
WO2014194860A1
WO2014194860A1 PCT/CN2014/079393 CN2014079393W WO2014194860A1 WO 2014194860 A1 WO2014194860 A1 WO 2014194860A1 CN 2014079393 W CN2014079393 W CN 2014079393W WO 2014194860 A1 WO2014194860 A1 WO 2014194860A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
edge
center electrode
switch
electronic device
Prior art date
Application number
PCT/CN2014/079393
Other languages
English (en)
Chinese (zh)
Inventor
王耀兴
刘少志
Original Assignee
北京丰拓生物技术有限公司
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 北京丰拓生物技术有限公司 filed Critical 北京丰拓生物技术有限公司
Publication of WO2014194860A1 publication Critical patent/WO2014194860A1/fr

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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
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
    • 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
    • H01H13/52—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 the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch

Definitions

  • the present invention relates to the field of electronic circuits, and more particularly to a switch system and an electronic device using the same. Background technique
  • An object of the present invention is to provide a switching system and an electronic device using the same, which requires that the switching system no longer occupies the design thickness of the electronic device, and requires that the electronic device does not have to separately design an accommodating space for the switching system, not only
  • the switch system can be made simple in structure, and the electronic device can be made thinner in design, thereby realizing the miniaturization of the electronic device and facilitating carrying.
  • an aspect of the present invention provides a switch system including a breakpoint switch and a resilient switch, the breakpoint switch including a center electrode and an edge electrode, the edge electrode being located at an outer edge of the center electrode, And the center electrode and the edge electrode are spaced apart from each other in a concentric arrangement; the elastic switch is used to be pressed in a flattened state to electrically connect the center electrode and the edge electrode.
  • the center electrode is a circular center electrode, a square center electrode, a triangular center electrode or a polygonal center electrode
  • the edge electrodes are correspondingly a circular edge electrode, a square edge electrode, and a triangular edge electrode. Or polygonal edge electrodes.
  • the center electrode and the edge electrode are located on the same plane.
  • the elastic switch is an arched elastic piece, and the arched elastic piece is packaged corresponding to the center electrode and the edge electrode.
  • the arched elastic piece includes four legs and a piece top, and the four legs are obliquely connected to the sheet top.
  • the top of the sheet is circular, square, triangular or polygonal.
  • the four legs are evenly distributed around the top of the sheet-like top.
  • the end of the leg is flat, and when the arched elastic piece is packaged together with the center electrode and the edge electrode, the end of the leg is used for Resisting the center electrode; and when the arched elastic piece is pressed in a flattened state, the sheet top and the four legs are in the same plane, and the four legs are in contact with the edge electrode, The top of the sheet contacts the center electrode.
  • an aspect of the present invention provides an electronic device using the above switching system, including a circuit board, a strong seal and a switch system; the switch system includes a breakpoint switch and an elastic switch; Switch printing is disposed on the circuit board; the elastic switch is adhered to the strong seal, and the strong seal is used to encapsulate the elastic switch and the breakpoint switch; the breakpoint switch includes a center electrode And an edge electrode, the edge electrode is located at an outer edge of the center electrode, and the center electrode and the edge electrode are spaced apart from each other in a concentric arrangement; the elastic switch is used for being pressed in a flattened state to electrically connect the center electrode and the edge electrode.
  • the center electrode is a circular center electrode, a square center electrode, a triangular center electrode or a polygonal center electrode
  • the edge electrodes are correspondingly a circular edge electrode, a square edge electrode, and a triangular edge electrode. Or polygonal edge electrodes.
  • the center electrode and the edge electrode are located on the same plane.
  • the elastic switch is an arched elastic piece, and the arched elastic piece is packaged corresponding to the center electrode and the edge electrode.
  • the arched elastic piece includes four legs and a top piece, the four legs are obliquely connected to the top of the sheet; and the top of the sheet is adhered to the top Said on the strong seal.
  • the top of the sheet is circular, square, triangular or polygonal.
  • the four legs are evenly distributed around the top of the sheet-like top.
  • the end of the leg is flat, and when the arched elastic piece is packaged together with the center electrode and the edge electrode, the end of the leg is used for Resisting the center electrode; and when the arched elastic piece is pressed in a flattened state, the sheet top and the four legs are in the same plane, and the four legs are in contact with the edge electrode, The top of the sheet contacts the center electrode.
  • the switch system and the electronic device using the same according to the present invention the related art of electrically connecting the center electrode and the edge electrode when the elastic switch is under the flat state by the elastic switch, the center electrode and the edge electrode which are packaged together
  • the solution makes the switch system no longer occupy the design thickness of the electronic device, and the electronic device does not need to separately design a receiving space for the switch system, which not only realizes the simple structure of the switch system, but also realizes that the electronic device tends to be thinner.
  • the volume is miniaturized and it is convenient to carry around.
  • FIG. 1 is a schematic perspective view of a switch system of the present invention
  • Figure 2 is a perspective perspective view of the switch system of the present invention.
  • FIG. 3 is a schematic perspective view of a switch system interrupt point switch and an elastic switch according to the present invention
  • FIG. 4 is a schematic perspective view showing a three-dimensional structure of the elastic switch in the switch system of the present invention
  • 5 is a schematic view showing another three-dimensional structure of the elastic switch in the switch system of the present invention
  • FIG. 6 is a schematic diagram of an assembly structure of an electronic device according to the present invention.
  • FIG. 7 is a schematic structural view of a main body bracket of the electronic device of the present invention.
  • FIG. 1 is a perspective view of a switch system of the present invention
  • FIG. 2 is a perspective view of a switch system of the present invention
  • FIG. 3 is a perspective view of a switch system of the present invention
  • FIG. 5 is a schematic view showing another three-dimensional structure of the elastic switch in the switch system of the present invention. 1 to 5, the switching system of the present embodiment includes a breakpoint switch 1 1 and an elastic switch 12, wherein the breakpoint switch 1 1 includes a center electrode 1 102 and an edge electrode 1101, and the center electrode 1 102 is placed at the edge.
  • the edge electrode 1101 is disposed around the center electrode 1102, and the center electrode 1102 and the edge electrode 1101 are spaced apart from each other in a concentric arrangement; the elastic switch 12 can be electrically connected to the center electrode 1 102 and the edge electrode 1 101 by being pressed in a flattened state.
  • the elastic switch 12 can be a metal conductive material.
  • the center electrode 1 102 of the embodiment is a circular center electrode.
  • the center electrode 1102 can also be configured as a square center electrode, a triangular center electrode, or a polygonal center electrode.
  • the center electrode 1102 corresponding to the embodiment is a circular center electrode
  • the edge electrode 1 101 of the embodiment is a circular edge electrode.
  • the edge electrode 1101 can also be set as a square edge electrode, a triangular edge electrode or a polygonal edge. electrode.
  • the center electrode 1102 and the edge electrode 1101 can be printed on the circuit board, respectively. And the central electrode 1102 and the edge electrode 1101 are located on the same plane, so that the elastic switch 12 can better electrically connect the center electrode 1102 and the edge electrode 1101 when the pressure is in the flattened state, thereby making the center electrode 1102 and the edge
  • the electrodes 1101 are connected to realize the function of the switching system.
  • the elastic switch 12 is located above the breakpoint switch 11, which may be an arched elastic piece, and the arched elastic piece is packaged correspondingly with the center electrode 1102 and the edge electrode 1101 to constitute the embodiment. Switching system.
  • the arched elastic piece includes four legs 1202 and a one-piece top portion 1201.
  • the four legs 1202 are evenly distributed around the top of the sheet-like top portion 1201 and are obliquely connected to the sheet-like top portion 1201.
  • the shape of the sheet top portion 1201 may be selected from a circle, a square, a triangle or a polygon, and the shape of the sheet top portion 1201 of the present embodiment is preferably circular.
  • the end of the leg 1202 is flat.
  • the end of the leg 1202 can abut against the center electrode 1102;
  • the top portion 1201 and the four legs 1202 are in the same plane, and the ends of the four legs 1202 are respectively in contact with the center electrode 1102, and the top portion 1201 contacts the center electrode, thereby making the center electrode 1102 and the edge electrode 1101 are more stably connected.
  • the switching system when the switching system is in a natural state, since the center electrode 1102 and the edge electrode 1101 are spaced apart from each other in a concentric arrangement, the center electrode 1102 and the edge electrode 1101 are not turned on, and the switching system is in an off state; In the state of use, the center electrode 1102 and the edge electrode 1101 are connected by the arched elastic piece being pressed in a flattened state, and the switching system is in a conducting state.
  • the switch system of the embodiment through the elastic switch, the center electrode and the edge electrode packaged together, electrically connects the center electrode and the edge electrode when the elastic switch is under the flat state, thereby implementing the related technology of the switch system conduction.
  • the solution makes the switching system have the characteristics of small size and simple structure, so that it can be foreseen that the electronic device applying the switching system does not need to separately design an accommodating space for the electronic device, and the electronic device is more thin and thin, and the volume is small. , Easy to carry around.
  • FIG. 6 is a schematic diagram of an assembly structure of an electronic device according to the present invention.
  • FIG. 7 is a schematic structural view of a main body bracket of an electronic device according to the present invention.
  • the electronic device applying the above switching system in this embodiment particularly selects an electrocardiographic measuring device, which has a card-like appearance, a thin body design, a small size and is convenient to carry.
  • the electrocardiographic measuring device includes a circuit board 101, a main body bracket 102, and a back package.
  • the back package includes a back support 103 and four back touch electrodes.
  • the back support 103 includes a sheet-like body and six protrusions 1031.
  • the six protrusions 1031 are respectively perpendicular to the sheet body and uniformly distributed thereon.
  • the edge of the main body frame 102 is provided with a blind hole for engaging the protrusions 1031 at a position corresponding to the six protrusions 1031, and can be fastened to the back surface of the main body frame 102 by the back support 103 and the protrusions 1031 are blindly embedded.
  • the back bracket 103 and the main body bracket 102 are fixedly connected in the hole.
  • the number of the protrusions 1031 can be adjusted according to the actual situation, as long as the protrusions 1031 are respectively perpendicular to the sheet-like body and uniformly distributed on the edge of the sheet-like body, and the position of the corresponding protrusion 1031 on the main body bracket 102 is provided with the engagement.
  • the blind holes of the protrusions 1031 are sufficient.
  • the back support 103 is preferably made of a metal material, and the back support 103 and the main body support 102 can be fixedly coupled by injection molding with the back support 103 in the process.
  • the back bracket 103 is a separate plastic component, the back bracket 103 and the main body bracket 102 are connected in a plugged manner, which is easy to ensure the overall structural strength of the back bracket 103 and the main body bracket 102; if both the back bracket 103 and the main body bracket 102 are Integral injection molding with plastic material, in order to ensure the overall structural strength, according to the existing injection molding process conditions, the thickness of the injection molding of the entire area is at least lmm or more, which invisibly increases the overall thickness of the electrocardiographic measuring device;
  • the back support 103 is made of a metal material.
  • the structure of the main body support 102 is molded on the basis of the structure of the back support 103. The process is simple, the overall structural strength of the back support 103 and the main body support 102 is large, and the thickness of the back support 103 can be Maintaining at 0.3 mm can greatly reduce the overall thickness of the ECG measuring device.
  • the above four-back touch electrodes specifically include a back left feedback touch electrode 104, a back right feedback touch electrode 105, a back positive touch electrode 108, and a back negative touch electrode 109, and the back touch electrodes surround the back support 103 and are respectively independent.
  • the left and right upper corners of the main body bracket 102 are disposed at the left and right upper corners of the main body bracket 102, and the left and right lower corners of the main body bracket 102 are separated from each other by the back frame of the main body bracket 102; wherein, the back touch electrodes are not in contact with the back support 103;
  • the back left feedback touch electrode 104 and the back negative touch electrode 109 are the same body, the back right feedback touch electrode 105 and the back positive touch electrode 108 are the same body, the back negative touch electrode 109 and the back right feedback touch electrode 105, and the back positive touch electrode 108
  • the following description mainly refers to the structure of the back negative touch electrode 109 and the connection manner with the main body bracket 102.
  • the back negative touch electrode 109 includes a horizontal engaging portion 1091. , 109 ⁇ and vertical welded parts 1092, 1092 ' , in The body brackets 102 are respectively provided with card holes 1021 and 102 ⁇ for engaging the horizontal engaging portions 1091 and 109 ⁇ on the two sides of the right upper outer corner of the back, and the upper right corner portions of the main body bracket 102 are respectively provided for engaging vertical welding.
  • the through holes 1022, 1022' of the portions 1092, 1092', and the back negative touch electrodes 109 and the main body bracket 102 are respectively embedded in the card holes 1021, 102 ⁇ through the horizontal engaging portions 1091, 109 ⁇ , and the vertical soldering portions 1092, 1092 ' Through the through holes 1022, 1022' and fixedly connected, as shown in FIG.
  • the circuit board 101 is provided with welding holes 1011, 101 ⁇ , and the welding holes 1011, 101 ⁇ are correspondingly arranged with the through holes 1022, 1022', While the vertical welded portions 1092, 1092' pass through the through holes 1022, 1022', the tops of the vertical welded portions 1092, 1092' are respectively embedded in the welded holes 1011, 101 1 ', and the spot welding can be used for assembly.
  • the circuit board 101 originally erected on the main body bracket 102 has its upper right corner portion fixedly connected to the upper right corner portion of the main body bracket 102 through the back negative touch electrode 109. Similarly, the other corner portions of the circuit board 101 are connected to the main body bracket 102 in the same manner as the upper right corner portion and the main body bracket 102 described above, and will not be described again.
  • the outer edge and the apex angle of the back touch electrode are all set to a circular chamfer.
  • the circuit board 101 can be erected in the main body bracket 102 through the steps 1025 formed in the main body bracket 102 and all in the same horizontal plane, and can pass through the cylinders 1024, 1024' and The circular holes 1014, 1014' are aligned to position the circuit board 101 at the inner edge of the body frame 102.
  • the size of the circuit board 101 is only about 82 mm * 52 mm, and the plate is slightly thin (only 0.8 mm), for the strength of the circuit board 101 and the center bracket 102 is provided with a central support column 1026, the center The top of the support post 1026 is in the same horizontal plane as the step 1025, so the central support post 1026 can be used to support the middle of the circuit board 101 to enhance protection of the circuit board 101.
  • top of the center support column 1026 can also be slightly higher than the step 1025, and the circuit board
  • the back surface of the 101 is provided with a blind hole groove (illustrated in FIG. 6) that cooperates with the center support column 1026 to abut against the top of the center support column 1026, thereby allowing the circuit board 101 to be centered in the body frame 102, the circuit board
  • the 101 can be more accurately attached to the main body bracket 102, which enhances the protection of the circuit board 101 and improves the strength reliability of the device as a whole.
  • the electronic components on the circuit board 101 are required to be designed on the back side thereof, as shown in FIG. 6 and FIG. 7, since the main body bracket 102 is hollowed out, The electronic components can make full use of the space, and are closely disposed between the back surface of the circuit board 101 and the back package through the hollow portion of the main body bracket 102.
  • the "fitted accommodation” can be understood as: The gap between the electronic components on the circuit board 101 and the back package, that is, the height at which the electronic components are soldered on the circuit board 101, fully utilizes the distance between the back surface of the circuit board 101 and the back package;
  • the front surface of the circuit board 101 is provided with a front-facing positive touch electrode 106 and an on-face negative touch electrode 107 suitable for thumb pressing.
  • the front surface of the circuit board 101 is not designed with electronic components. It is emphasized that the front facing positive touch electrode 106 and the oncoming negative touch are here.
  • the electrode 107 is not an electronic component, but merely serves as a metal piece for increasing the contact feeling and the contact area.
  • the electrocardiographic measuring device further includes a force for sealing on the front surface of the circuit board 101.
  • the seal 113 is made of a plastic material, and has a strong adhesive adhered to the back thereof.
  • the strong seal 113 has electrode through holes 1131 and 1132 for disclosing the front positive touch electrode 106 and the front negative touch electrode 107.
  • the thickness of the strong seal 133 is equivalent to the thickness of the oncoming positive touch electrode 106 and the oncoming negative touch electrode 107.
  • the measuring device further includes a strip-shaped battery 110.
  • the circuit board 101 is provided with a battery hollow portion 1012 for accommodating the accommodating strip-shaped battery 110.
  • the electrode through-holes 1131 and 1132 are located at the side battery hollow portions 1012, and the strips are formed.
  • the battery 110 is placed along the long side of the battery hollow portion 1012 against the back package, and the other side is at the same level as the front surface of the circuit board 101.
  • the front surface of the circuit board 101 needs to be leveled: the electrocardiograph also includes a buzzer 11 1 and a liquid crystal screen (not shown in FIGS. 6 and 7), and a buzzing groove 1027 for fitting the buzzer 11 1 is disposed on the main body bracket 102, A liquid crystal cell 1028 for engaging the liquid crystal panel is disposed.
  • the liquid crystal cell 1028 is located above the buzzer groove 1027.
  • a liquid crystal panel hollow portion 1013 for accommodating and accommodating the liquid crystal panel is disposed on the circuit board, and the formed electrocardiogram is formed.
  • the buzzer 1 11 is disposed in the buzzer slot 1027, and the liquid crystal panel is engaged in the liquid crystal cell 1028 through the liquid crystal panel hollow portion 1013 and supported by the buzzer groove 1027, and is engaged in the liquid crystal cell 1028.
  • the liquid crystal surface of the liquid crystal panel is located on the same horizontal plane as the front surface of the circuit board 101.
  • the strong seal 113 is provided with a window 1 133 for transparently sealing the liquid crystal screen, so as to observe the liquid crystal screen; and, in order to satisfy the circuit board
  • the height of the portion of the vertical soldering portion 1092, 1092' is preferably limited to 0. 8mm or less, that is, the board cannot be overtaken.
  • the thickness of 101, too, has similar requirements for the vertical welds of other back touch electrodes.
  • the buzzer groove 1027 is a split structure, and it can be understood that the split structure
  • the gap is used to fit the line connecting the buzzer 111 and the circuit board 101 to make full use of the space, thereby avoiding the flying line and increasing the overall thickness of the electrocardiograph.
  • a main buzzing hole 1029 is provided at a center position of the 1027, corresponding to the main buzzing hole 1029, and a sub buzzing hole 1141, a main buzzing hole 1029 and a sub buzzer are disposed on the seal 114 for sealing the back bracket 103.
  • the hole 1141 cooperates with the sound emitted by the buzzer 111.
  • the seal 113 can be used to mark the nameplate of the electrocardiographic measuring device and various information and parameters that need to be marked.
  • the charging interface 112 included in the electrocardiographic measuring device of the present embodiment fully utilizes the thickness of the main body bracket 102, which is connected to the circuit board. 101, and is disposed in the charging interface through hole 1023 formed on the side of the main body bracket 102.
  • the switching system of the electrocardiographic measuring device of the embodiment adopts the above-mentioned first embodiment.
  • the switch system related structure is disposed on the front side of the device. Since the front surface of the circuit board 101 not only requires no design of electronic components, but also requires flatness, the switch system includes printing (a copper etching technique) in the circuit.
  • the switch 12 can be electrically connected to the center electrode 1102 and the edge electrode 1101 by being pressed in a flat state, where the elastic switch 12 can be a metal conductive material.
  • the elastic switch 12 is located above the breakpoint switch 11, which may be an arched elastic piece, and the arched elastic piece is packaged by the strong seal 113 corresponding to the center electrode 1102 and the edge electrode 1101.
  • the domed elastic piece includes four legs 1202 and a one-piece top portion 1201, and the four legs 1202 are evenly distributed over the four weeks of the sheet-like top portion 1201, and are obliquely connected to the sheet-like top portion 1201.
  • the end of the leg 1202 is flat, and when the arched elastic piece is packaged by the strong seal 113 corresponding to the center electrode 1102 and the edge electrode 1101, the top portion 1201 Adhered to the receiving portion 134 of the strong seal 113, the end of the leg 1202 can abut against the center electrode 1102; and when the arched elastic piece is pressed in a flattened state, the top portion 1201 and the four legs 1202 are located In the same plane, and the ends of the four legs 1202 are respectively in contact with the center electrode 1102, the sheet-like top portion 1201 contacts the center electrode, thereby further connecting the center electrode 1102 and the edge electrode 1101 more stably.
  • the switching system when the switching system is in a natural state, since the center electrode 1102 and the edge electrode 1101 are spaced apart from each other in a concentric arrangement, the center electrode 1102 and the edge electrode 1101 are not turned on, and the switching system is in an off state; In the state of use, the center electrode 1102 and the edge electrode 1101 are connected by the arched elastic piece being pressed in a flattened state, and the switching system is in an on state.
  • the switching system of the electrocardiographic measuring device of the present embodiment includes a power switching system and a switching system for starting measurement, respectively, and the electronic device of the switching system related to the embodiment of the first embodiment is adopted.
  • the breakpoint switch is printed on the circuit board; the elastic switch is adhered to the strong seal, and the strong seal is used to encapsulate the related technical solutions of the elastic switch and the breakpoint switch.
  • the switching system of the first embodiment is applied to the electronic device of the first embodiment, so that the electronic device does not need to be separately designed for the switching system, thereby realizing the thinner design of the electronic device, thereby miniaturizing the volume and facilitating the portable body. The purpose of carrying.

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Abstract

L'invention concerne un système commutateur, comprenant un commutateur d'interruption (11) et un commutateur élastique (12), le commutateur d'interruption comprenant une électrode centrale (1102) et une électrode de bord (1101). L'électrode de bord est située au bord extérieur de l'électrode centrale, et l'électrode centrale et l'électrode de bord sont agencées concentriquement et isolées l'une de l'autre par intervalles ; et le commutateur élastique est pressé et est dans un état aplati pour connecter électriquement l'électrode centrale et l'électrode de bord. La solution technique selon l'invention dans laquelle le commutateur élastique, l'électrode centrale et l'électrode de bord sont conditionnés ensemble, et l'électrode centrale et l'électrode de bord sont électriquement connectées quand le commutateur élastique est pressé et est dans un état aplati, permet au système commutateur de ne plus occuper l'épaisseur de conception du dispositif électronique et permet au dispositif électronique utilisant le système commutateur de ne plus devoir être conçu avec un espace de logement séparé pour le système commutateur, permettant ainsi non seulement de réaliser une structure simple du système commutateur, mais encore d'atteindre le but que le dispositif électrique tende plus vers une conception de corps mince, minimisant ainsi son volume, et le rendant facile à porter.
PCT/CN2014/079393 2013-06-07 2014-06-06 Système commutateur et dispositif électronique l'utilisant WO2014194860A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310226594.3 2013-06-07
CN201310226594.3A CN103337399B (zh) 2013-06-07 2013-06-07 开关系统及应用该开关系统的电子装置

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CN103337399B (zh) * 2013-06-07 2015-11-11 北京丰拓生物技术有限公司 开关系统及应用该开关系统的电子装置
CN107818884A (zh) * 2016-09-13 2018-03-20 光宝电子(广州)有限公司 直下式发光键盘

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CN1369890A (zh) * 2001-02-07 2002-09-18 株式会社西铁城电子 触摸开关
CN1591726A (zh) * 2003-08-25 2005-03-09 阿尔卑斯电气株式会社 可动触点体以及使用其的按钮开关
US7057128B1 (en) * 2005-01-18 2006-06-06 Matsushita Electric Industrial Co., Ltd. Push-on switch
CN101752123A (zh) * 2008-12-08 2010-06-23 株式会社翰比特T&I 多级受压开关
JP2012230879A (ja) * 2011-04-26 2012-11-22 Smk Corp スイッチ機構
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CN103330558A (zh) * 2013-06-07 2013-10-02 北京丰拓生物技术有限公司 卡片式心电测量装置
CN103337399A (zh) * 2013-06-07 2013-10-02 北京丰拓生物技术有限公司 开关系统及应用该开关系统的电子装置
CN203300516U (zh) * 2013-06-07 2013-11-20 北京丰拓生物技术有限公司 开关系统及应用该开关系统的电子装置
CN203341731U (zh) * 2013-06-07 2013-12-18 北京丰拓生物技术有限公司 卡片式心电测量装置

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