GB2219691B - Operating key switch unit - Google Patents

Operating key switch unit

Info

Publication number
GB2219691B
GB2219691B GB8901123A GB8901123A GB2219691B GB 2219691 B GB2219691 B GB 2219691B GB 8901123 A GB8901123 A GB 8901123A GB 8901123 A GB8901123 A GB 8901123A GB 2219691 B GB2219691 B GB 2219691B
Authority
GB
United Kingdom
Prior art keywords
switch unit
key switch
operating key
operating
unit
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 - Fee Related
Application number
GB8901123A
Other versions
GB8901123D0 (en
GB2219691A (en
Inventor
Takashi Murakami
Yoshihiro Hattori
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB8901123D0 publication Critical patent/GB8901123D0/en
Publication of GB2219691A publication Critical patent/GB2219691A/en
Application granted granted Critical
Publication of GB2219691B publication Critical patent/GB2219691B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/034—Positioning of layers
GB8901123A 1988-06-13 1989-01-19 Operating key switch unit Expired - Fee Related GB2219691B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63145165A JPH0738288B2 (en) 1988-06-13 1988-06-13 Operation key switch device

Publications (3)

Publication Number Publication Date
GB8901123D0 GB8901123D0 (en) 1989-03-15
GB2219691A GB2219691A (en) 1989-12-13
GB2219691B true GB2219691B (en) 1992-09-02

Family

ID=15378933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8901123A Expired - Fee Related GB2219691B (en) 1988-06-13 1989-01-19 Operating key switch unit

Country Status (4)

Country Link
JP (1) JPH0738288B2 (en)
AU (1) AU618061B2 (en)
CA (1) CA1316006C (en)
GB (1) GB2219691B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0427530U (en) * 1990-06-29 1992-03-04
US5219067A (en) * 1992-02-04 1993-06-15 Trimble Navigation Limited Keyboard pad structure for electronic devices
US5475192A (en) * 1993-03-15 1995-12-12 Teikoku Tsushin Kogyo Co., Ltd. Keytop sheet for push-button switches
GB9308118D0 (en) * 1993-04-20 1993-06-02 Keymat Technology Ltd Keypads
FR2712408B1 (en) * 1993-11-12 1996-02-16 Jaeger Keyboard for controlling an electric or electronic system, in particular for an anti-theft system for a motor vehicle.
DE10022707C2 (en) * 2000-05-10 2002-05-02 Siemens Ag Mobile phone with a keypad
JP3887778B2 (en) * 2002-09-09 2007-02-28 三菱電機株式会社 refrigerator
US8160657B2 (en) 2009-07-24 2012-04-17 Harris Corporation Mobile wireless communications device with elastomeric sealing membrane covering switch and related methods

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210973A1 (en) * 1985-06-14 1987-02-04 Siemens Aktiengesellschaft Österreich Push button key board

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4916773U (en) * 1972-05-17 1974-02-13
JPS58115027U (en) * 1982-02-01 1983-08-05 サンアロ−株式会社 push button panel
JPS6032215A (en) * 1983-07-30 1985-02-19 カシオ計算機株式会社 Key switch structure
JPS6276446U (en) * 1985-10-31 1987-05-16
JPH01115128U (en) * 1988-01-29 1989-08-02
JPH01168920U (en) * 1988-05-18 1989-11-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210973A1 (en) * 1985-06-14 1987-02-04 Siemens Aktiengesellschaft Österreich Push button key board

Also Published As

Publication number Publication date
GB8901123D0 (en) 1989-03-15
JPH0738288B2 (en) 1995-04-26
AU618061B2 (en) 1991-12-12
AU2873489A (en) 1989-12-14
GB2219691A (en) 1989-12-13
CA1316006C (en) 1993-04-13
JPH01313820A (en) 1989-12-19

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19951107

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020119