GB2192307B - Push-button keyboard switch unit - Google Patents

Push-button keyboard switch unit

Info

Publication number
GB2192307B
GB2192307B GB8710152A GB8710152A GB2192307B GB 2192307 B GB2192307 B GB 2192307B GB 8710152 A GB8710152 A GB 8710152A GB 8710152 A GB8710152 A GB 8710152A GB 2192307 B GB2192307 B GB 2192307B
Authority
GB
United Kingdom
Prior art keywords
push
switch unit
keyboard switch
button keyboard
button
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.)
Expired - Lifetime
Application number
GB8710152A
Other versions
GB8710152D0 (en
GB2192307A (en
Inventor
Masami Fukushima
Kazutoki Tahara
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.)
Shin Etsu Polymer Co Ltd
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Polymer Co Ltd
Shin Etsu Chemical 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
Priority claimed from JP61102290A external-priority patent/JPS62259313A/en
Priority claimed from JP61102289A external-priority patent/JPS62259317A/en
Application filed by Shin Etsu Polymer Co Ltd, Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Polymer Co Ltd
Publication of GB8710152D0 publication Critical patent/GB8710152D0/en
Publication of GB2192307A publication Critical patent/GB2192307A/en
Application granted granted Critical
Publication of GB2192307B publication Critical patent/GB2192307B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01H13/70—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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/002—Materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/006—Only mechanical function
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/012—Positioning of individual dome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/002—Layer thickness
    • H01H2227/01—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/024—Packing between substrate and membrane
    • H01H2229/028—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
GB8710152A 1986-05-02 1987-04-29 Push-button keyboard switch unit Expired - Lifetime GB2192307B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61102290A JPS62259313A (en) 1986-05-02 1986-05-02 Keyboard
JP61102289A JPS62259317A (en) 1986-05-02 1986-05-02 Keyboard

Publications (3)

Publication Number Publication Date
GB8710152D0 GB8710152D0 (en) 1987-06-03
GB2192307A GB2192307A (en) 1988-01-06
GB2192307B true GB2192307B (en) 1990-08-22

Family

ID=26442995

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8710152A Expired - Lifetime GB2192307B (en) 1986-05-02 1987-04-29 Push-button keyboard switch unit

Country Status (2)

Country Link
DE (1) DE3714382A1 (en)
GB (1) GB2192307B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233499B (en) * 1989-06-28 1994-03-02 Mitsubishi Electric Corp Sheet-like switch
DE4029231A1 (en) * 1990-09-14 1992-03-19 Vedder Gmbh Geb Electrical switch unit e.g. pushbutton, dimmer - has elastomer contact module deformed by operation of actuator pad to engage contact points
DE4112754C2 (en) * 1991-04-19 1999-06-02 Marquardt Gmbh Push button switch
DE4114661A1 (en) * 1991-05-06 1993-02-25 Telefunken Electronic Gmbh Contact film switch with switching domes - has slits around domes to increase ability to return to original position after contact
US5358579A (en) * 1992-02-07 1994-10-25 Matsushita Electric Industrial Co., Ltd. Method for manufacturing a panel switch attached to electronic apparatus
DE4301928A1 (en) * 1993-01-25 1994-07-28 Siemens Nixdorf Inf Syst Conductive paint contact surface
DE4307909A1 (en) * 1993-03-12 1994-09-15 Marquardt Gmbh Housing part with push button switch
DE19912465C2 (en) 1999-03-19 2001-07-05 Kathrein Werke Kg Multi-area antenna system
US11881365B2 (en) 2021-08-05 2024-01-23 Levven Electronics Ltd. Wireless switch assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1474450A (en) * 1974-09-06 1977-05-25 Standard Telephones Cables Ltd Electric switches
US4289943A (en) * 1979-08-06 1981-09-15 Shin-Etsu Polymer Co., Ltd. Push-button switches
US4320268A (en) * 1980-02-19 1982-03-16 General Electric Company Illuminated keyboard for electronic devices and the like
GB2123213A (en) * 1982-06-30 1984-01-25 Nippon Mektron Kk Panel keyboard electrical switch
GB2190245A (en) * 1986-04-14 1987-11-11 Shinetsu Polymer Co A covering member for an electrical keyboard

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3218404A1 (en) * 1982-05-15 1983-11-17 Wolfgang Schulte Keypad for a printed circuit
DE8309846U1 (en) * 1983-04-02 1986-10-02 Ing. Gerhard Dekorsy GmbH, 7760 Radolfzell Button for a switching element that can be moved in the tactile direction
US4490587A (en) * 1983-04-07 1984-12-25 Microdot Inc. Switch assembly
US4518833A (en) * 1983-07-18 1985-05-21 Gates Data Products, Inc. Conductive elastomeric ink composition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1474450A (en) * 1974-09-06 1977-05-25 Standard Telephones Cables Ltd Electric switches
US4289943A (en) * 1979-08-06 1981-09-15 Shin-Etsu Polymer Co., Ltd. Push-button switches
US4320268A (en) * 1980-02-19 1982-03-16 General Electric Company Illuminated keyboard for electronic devices and the like
GB2123213A (en) * 1982-06-30 1984-01-25 Nippon Mektron Kk Panel keyboard electrical switch
GB2190245A (en) * 1986-04-14 1987-11-11 Shinetsu Polymer Co A covering member for an electrical keyboard

Also Published As

Publication number Publication date
GB8710152D0 (en) 1987-06-03
GB2192307A (en) 1988-01-06
DE3714382C2 (en) 1991-12-19
DE3714382A1 (en) 1987-11-05

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20070428