GB8321689D0 - Membrane switches - Google Patents

Membrane switches

Info

Publication number
GB8321689D0
GB8321689D0 GB838321689A GB8321689A GB8321689D0 GB 8321689 D0 GB8321689 D0 GB 8321689D0 GB 838321689 A GB838321689 A GB 838321689A GB 8321689 A GB8321689 A GB 8321689A GB 8321689 D0 GB8321689 D0 GB 8321689D0
Authority
GB
United Kingdom
Prior art keywords
membrane switches
switches
membrane
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.)
Pending
Application number
GB838321689A
Other languages
English (en)
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB838321689A priority Critical patent/GB8321689D0/en
Publication of GB8321689D0 publication Critical patent/GB8321689D0/en
Priority to EP84305404A priority patent/EP0133817A3/de
Priority to GB08420140A priority patent/GB2144917A/en
Priority to PCT/GB1984/000274 priority patent/WO1985000923A1/en
Pending legal-status Critical Current

Links

GB838321689A 1983-08-11 1983-08-11 Membrane switches Pending GB8321689D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB838321689A GB8321689D0 (en) 1983-08-11 1983-08-11 Membrane switches
EP84305404A EP0133817A3 (de) 1983-08-11 1984-08-08 Membranschalter
GB08420140A GB2144917A (en) 1983-08-11 1984-08-08 Membrane switches
PCT/GB1984/000274 WO1985000923A1 (en) 1983-08-11 1984-08-08 Membrane switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838321689A GB8321689D0 (en) 1983-08-11 1983-08-11 Membrane switches

Publications (1)

Publication Number Publication Date
GB8321689D0 true GB8321689D0 (en) 1983-09-14

Family

ID=10547180

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838321689A Pending GB8321689D0 (en) 1983-08-11 1983-08-11 Membrane switches
GB08420140A Withdrawn GB2144917A (en) 1983-08-11 1984-08-08 Membrane switches

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08420140A Withdrawn GB2144917A (en) 1983-08-11 1984-08-08 Membrane switches

Country Status (3)

Country Link
EP (1) EP0133817A3 (de)
GB (2) GB8321689D0 (de)
WO (1) WO1985000923A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713534A (en) * 1986-02-18 1987-12-15 Carroll Touch Inc. Phototransistor apparatus with current injection ambient compensation
IT1208461B (it) * 1987-01-30 1989-06-22 Granarolo Dell Emilia Bo Melic Custodia protettiva antiurto per telecomandi in particolare di televisori
US6958183B2 (en) * 2001-02-20 2005-10-25 Teikoku Tsushin Kogyo Co., Ltd. Key top plate and a method for manufacturing the same
GB2421635B (en) * 2004-12-24 2007-12-05 In2Connect Ltd A switch
FR2881091B1 (fr) * 2005-01-24 2007-08-24 Cera Composant de garnissage comprenant une couche mince de commande formant interrupteur
CN106994924A (zh) * 2017-05-18 2017-08-01 上海安闻汽车电子有限公司 一种人体压力传感器及汽车座椅
US11222757B2 (en) 2018-02-01 2022-01-11 Razer (Asia-Pacific) Pte. Ltd. Key switch mechanisms, user input devices and methods of fabricating a key switch mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862381A (en) * 1973-10-29 1975-01-21 Chomerics Inc Keyboard switch assembly with multilayer, coextensive contactor means
US4338502A (en) * 1978-04-27 1982-07-06 Sharp Kabushiki Kaisha Metallic housing for an electronic apparatus with a flat keyboard
US4314114A (en) * 1980-02-04 1982-02-02 Oak Industries Laminated membrane switch
AT370912B (de) * 1980-09-17 1983-05-10 Electrovac Vorrichtung zum schalten eines oder mehrerer elektrischer stromkreise

Also Published As

Publication number Publication date
GB2144917A (en) 1985-03-13
EP0133817A3 (de) 1985-04-10
GB8420140D0 (en) 1984-09-12
EP0133817A2 (de) 1985-03-06
WO1985000923A1 (en) 1985-02-28

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