JPS51144972A - Capacitance type key switch and keyboard matrix - Google Patents

Capacitance type key switch and keyboard matrix

Info

Publication number
JPS51144972A
JPS51144972A JP51056439A JP5643976A JPS51144972A JP S51144972 A JPS51144972 A JP S51144972A JP 51056439 A JP51056439 A JP 51056439A JP 5643976 A JP5643976 A JP 5643976A JP S51144972 A JPS51144972 A JP S51144972A
Authority
JP
Japan
Prior art keywords
key switch
capacitance type
type key
keyboard matrix
keyboard
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
JP51056439A
Other languages
Japanese (ja)
Inventor
Chiyaaruzu Erumoa Donarudo
Aasaa Sutaaraa Jiyon
Aren Keraa Robaato
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.)
NCR Voyix Corp
Original Assignee
NCR 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 NCR Corp filed Critical NCR Corp
Publication of JPS51144972A publication Critical patent/JPS51144972A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electronic Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
JP51056439A 1975-06-02 1976-05-17 Capacitance type key switch and keyboard matrix Pending JPS51144972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58025375A 1975-06-02 1975-06-02

Publications (1)

Publication Number Publication Date
JPS51144972A true JPS51144972A (en) 1976-12-13

Family

ID=24320338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51056439A Pending JPS51144972A (en) 1975-06-02 1976-05-17 Capacitance type key switch and keyboard matrix

Country Status (1)

Country Link
JP (1) JPS51144972A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005124806A1 (en) * 2004-06-22 2005-12-29 Aisin Seiki Kabushiki Kaisha Switch device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005124806A1 (en) * 2004-06-22 2005-12-29 Aisin Seiki Kabushiki Kaisha Switch device
US7763819B2 (en) 2004-06-22 2010-07-27 Aisin Seiki Kabushiki Kaisha Switch device

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