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FR2468159B1 - IMPROVEMENTS TO KEYBOARDS FOR MANUAL INPUT OF DATA - Google Patents

IMPROVEMENTS TO KEYBOARDS FOR MANUAL INPUT OF DATA

Info

Publication number
FR2468159B1
FR2468159B1 FR7926070A FR7926070A FR2468159B1 FR 2468159 B1 FR2468159 B1 FR 2468159B1 FR 7926070 A FR7926070 A FR 7926070A FR 7926070 A FR7926070 A FR 7926070A FR 2468159 B1 FR2468159 B1 FR 2468159B1
Authority
FR
France
Prior art keywords
keyboards
data
manual input
manual
input
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
Application number
FR7926070A
Other languages
French (fr)
Other versions
FR2468159A1 (en
Inventor
Christian Dol
Jean-Yves Valet
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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Priority to FR7926070A priority Critical patent/FR2468159B1/en
Publication of FR2468159A1 publication Critical patent/FR2468159A1/en
Application granted granted Critical
Publication of FR2468159B1 publication Critical patent/FR2468159B1/en
Expired 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
    • H01H13/78—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 characterised by the contacts or the contact sites
    • H01H13/785—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 characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
    • 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
    • H01H2201/00—Contacts
    • H01H2201/022—Material
    • H01H2201/032—Conductive polymer; Rubber
    • H01H2201/036—Variable resistance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/026—Form of contacts on different planes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/03—Sound
FR7926070A 1979-10-19 1979-10-19 IMPROVEMENTS TO KEYBOARDS FOR MANUAL INPUT OF DATA Expired FR2468159B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7926070A FR2468159B1 (en) 1979-10-19 1979-10-19 IMPROVEMENTS TO KEYBOARDS FOR MANUAL INPUT OF DATA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7926070A FR2468159B1 (en) 1979-10-19 1979-10-19 IMPROVEMENTS TO KEYBOARDS FOR MANUAL INPUT OF DATA

Publications (2)

Publication Number Publication Date
FR2468159A1 FR2468159A1 (en) 1981-04-30
FR2468159B1 true FR2468159B1 (en) 1986-09-19

Family

ID=9230867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926070A Expired FR2468159B1 (en) 1979-10-19 1979-10-19 IMPROVEMENTS TO KEYBOARDS FOR MANUAL INPUT OF DATA

Country Status (1)

Country Link
FR (1) FR2468159B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012717A1 (en) * 1980-04-01 1981-10-08 Wilhelm Ruf KG, 8000 München KEYPAD
JPS5938867A (en) * 1982-08-30 1984-03-02 Canon Inc Elecgronic apparatus
US5438177A (en) * 1992-05-06 1995-08-01 Key Tronic Corporation Two-layer membrane switch
EP2117122A1 (en) * 2008-05-09 2009-11-11 Areus Engineering GmbH System and method for haptic and/or acoustic confirmation to sensory control elements

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996427A (en) * 1975-01-10 1976-12-07 Texas Instruments Incorporated Pushbutton keyboard system and method of making same
US4055735A (en) * 1975-10-23 1977-10-25 Honeywell Information Systems Inc. Touch sensitive device
JPS54122888A (en) * 1978-03-17 1979-09-22 Sakura Kk Keyswitch

Also Published As

Publication number Publication date
FR2468159A1 (en) 1981-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse