GB8332032D0 - Keyboard switch - Google Patents

Keyboard switch

Info

Publication number: GB8332032D0
Authority: GB; United Kingdom
Prior art keywords: keyboard switch; keyboard; switch
Prior art date: 1982-11-30
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

GB838332032A

Other versions

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.)

Nippon Mektron KK

Original Assignee

Nippon Mektron KK

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.)

1982-11-30

Filing date

1983-11-30

Publication date

1984-01-04

1983-11-30 Application filed by Nippon Mektron KK filed Critical Nippon Mektron KK

1984-01-04 Publication of GB8332032D0 publication Critical patent/GB8332032D0/en

1984-07-18 Publication of GB2133216A publication Critical patent/GB2133216A/en

Status Withdrawn legal-status Critical Current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
- H01H2209/014—Layers composed of different layers; Lubricant in between
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/08—Properties of the membrane with memory properties
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
- H01H2215/008—Part of substrate or membrane
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/016—Pressure reduction membrane; Spreader layer
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/002—Layer thickness
- H01H2227/004—Membrane
- 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

GB08332032A 1982-11-30 1983-11-30 Keyboard switch Withdrawn GB2133216A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP57211125A JPS59101724A (en)	1982-11-30	1982-11-30	Keyboard switch

Publications (2)

Publication Number	Publication Date
GB8332032D0 true GB8332032D0 (en)	1984-01-04
GB2133216A GB2133216A (en)	1984-07-18

Family

ID=16600801

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08332032A Withdrawn GB2133216A (en)	1982-11-30	1983-11-30	Keyboard switch

Country Status (5)

Country	Link
JP (1)	JPS59101724A (en)
DE (1)	DE3343376A1 (en)
FR (1)	FR2537378A1 (en)
GB (1)	GB2133216A (en)
IT (1)	IT1167028B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61180431U (en) *	1985-04-30	1986-11-11
EP1429357A1 (en)	2002-12-09	2004-06-16	IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.	Foil-type switching element with multi-layered carrier foil
EP1429355A1 (en) *	2002-12-09	2004-06-16	IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.	Foil-type switching element

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3382338A (en) *	1966-04-26	1968-05-07	Ibm	Pushbutton actuator for elastomeric switch
US3592979A (en) *	1969-11-05	1971-07-13	Ncr Co	Elastomeric keyboard with improved printed circuit contact means
US3617660A (en) *	1970-01-23	1971-11-02	Ibm	Keyboard actuating mechanism for diaphragm electric switch contact array
US3676616A (en) *	1970-12-21	1972-07-11	Ibm	Eds serial switch array
US3777222A (en) *	1972-05-12	1973-12-04	Ibm	Modular touch sensitive indicating panels with touch and light transmissive overlay cover membrane containing visible printed indicia
US3911233A (en) *	1973-02-20	1975-10-07	Matsushita Electric Ind Co Ltd	Keyboard switch for desk top electronic calculators
US3860771A (en) *	1973-10-29	1975-01-14	Chomerics Inc	Keyboard switch assembly with dome shaped actuator having associated underlying contactor means
US3969600A (en) *	1975-06-11	1976-07-13	Burroughs Corporation	Tactile feedback keyboard switch assembly and actuator
US4158115A (en) *	1978-06-26	1979-06-12	W. H. Brady Co.	Internally connecting flexible switch
US4520248A (en) *	1980-08-15	1985-05-28	Rogers Corporation	Keyboard assembly
US4362911A (en) *	1980-09-17	1982-12-07	Ncr Corporation	Membrane keyboard switch assembly having selectable tactile properties

1982
- 1982-11-30 JP JP57211125A patent/JPS59101724A/en active Pending
1983
- 1983-11-28 IT IT23924/83A patent/IT1167028B/en active
- 1983-11-29 FR FR8319013A patent/FR2537378A1/en not_active Withdrawn
- 1983-11-30 DE DE19833343376 patent/DE3343376A1/en not_active Withdrawn
- 1983-11-30 GB GB08332032A patent/GB2133216A/en not_active Withdrawn

Also Published As

Publication number	Publication date
DE3343376A1 (en)	1984-05-30
GB2133216A (en)	1984-07-18
IT8323924A0 (en)	1983-11-28
FR2537378A1 (en)	1984-06-08
JPS59101724A (en)	1984-06-12
IT1167028B (en)	1987-05-06

Legal Events

Date	Code	Title	Description
1985-05-09	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)

Publication	Publication Date	Title
GB8332012D0 (en)	1984-01-04	Keyboard switch
GB8334602D0 (en)	1984-02-08	Keyboard switch
GB2131746B (en)	1986-06-04	Keyboards
EP0104956A3 (en)	1986-04-30	Keyboard
GB8302013D0 (en)	1983-02-23	Push-button switch
GB2132801B (en)	1986-04-03	Keyboard
GB8300869D0 (en)	1983-02-16	Keyboard switch
GB8319634D0 (en)	1983-08-24	Keyboards
DE3377601D1 (en)	1988-09-08	Switch
DE3373241D1 (en)	1987-10-01	Solid state keyboard
GB8313700D0 (en)	1983-06-22	Illiminated switch
GB8314633D0 (en)	1983-06-29	Function keyboard
GB2146292B (en)	1987-12-16	Keyboard switch
GB8311785D0 (en)	1983-06-02	Keyboard switch
DE3274172D1 (en)	1986-12-11	Keybord switch
JPS56167218A (en)	1981-12-22	Keyboard switch
GB8332032D0 (en)	1984-01-04	Keyboard switch
GB8312504D0 (en)	1983-06-08	Switch
GB8312718D0 (en)	1983-06-15	Switch
GB8311735D0 (en)	1983-06-02	Keyboard switch
GB8310397D0 (en)	1983-05-25	Switch
GB2126789B (en)	1986-04-16	Switch
JPS5765620A (en)	1982-04-21	Keyboard switch
JPS57176621A (en)	1982-10-30	Keyboard switch
GB8311886D0 (en)	1983-06-02	Switch