EP0305931A2 - Dispositif de clavier - Google Patents

Dispositif de clavier Download PDF

Info

Publication number
EP0305931A2
EP0305931A2 EP88113995A EP88113995A EP0305931A2 EP 0305931 A2 EP0305931 A2 EP 0305931A2 EP 88113995 A EP88113995 A EP 88113995A EP 88113995 A EP88113995 A EP 88113995A EP 0305931 A2 EP0305931 A2 EP 0305931A2
Authority
EP
European Patent Office
Prior art keywords
key
circuit card
key plate
keyboard device
frame element
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.)
Withdrawn
Application number
EP88113995A
Other languages
German (de)
English (en)
Other versions
EP0305931A3 (fr
Inventor
Helge Ing.(Grad) Breite
Franz Dipl.-Ing. Fh Wandinger
Dieter Dipl.-Ing. Fh Dubois
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.)
Wincor Nixdorf International GmbH
Original Assignee
Siemens AG
Siemens Nixdorf Informationssysteme AG
Siemens 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 Siemens AG, Siemens Nixdorf Informationssysteme AG, Siemens Corp filed Critical Siemens AG
Publication of EP0305931A2 publication Critical patent/EP0305931A2/fr
Publication of EP0305931A3 publication Critical patent/EP0305931A3/fr
Withdrawn legal-status Critical Current

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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
    • H01H13/705—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 characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/042—Casings mounted in conventional keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/006—Containing a capacitive switch or usable as such

Definitions

  • the key housings TG are covered by key bodies TK, each of which is provided with a plunger S, which is guided axially displaceably in the shaft-like openings SO of a respective key housing TG.
  • the frame element RE is provided, in which the key plate TP as a whole is recessed so that the key body TK covering the key housing TG is flush with the frame element RE.
  • Two intermediate webs ZS of the frame element RE divide the top of the key plate TP into three key fields.

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
EP88113995A 1987-08-31 1988-08-26 Dispositif de clavier Withdrawn EP0305931A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3729011 1987-08-31
DE3729011 1987-08-31

Publications (2)

Publication Number Publication Date
EP0305931A2 true EP0305931A2 (fr) 1989-03-08
EP0305931A3 EP0305931A3 (fr) 1990-08-29

Family

ID=6334858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88113995A Withdrawn EP0305931A3 (fr) 1987-08-31 1988-08-26 Dispositif de clavier

Country Status (1)

Country Link
EP (1) EP0305931A3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034740A (en) * 1988-09-30 1991-07-23 Siemens Aktiengesellschaft Capacitive card module
US5494363A (en) * 1993-03-16 1996-02-27 Preh-Werke Gmbh Co. Kg Keyboard
WO1999049486A1 (fr) * 1998-03-25 1999-09-30 Linda Lee Cumings Clavier
EP1355333A3 (fr) * 2002-04-17 2006-08-16 Preh KeyTec GmbH Clavier, en particulier pour des caisses enregistreuses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797630A (en) * 1971-07-12 1974-03-19 Alphanumeric Holdings Ltd Keyboard for electronic circuit
US4560844A (en) * 1983-07-11 1985-12-24 Brother Kogyo Kabushiki Kaisha Key-holding structure of a keyboard with curved operating surface of keys
DE3325409A1 (de) * 1983-07-14 1985-01-31 Loewe Opta Gmbh, 8640 Kronach Alphanumerische tastatur
US4716262A (en) * 1983-10-21 1987-12-29 Nena Morse Vandal-resistant telephone keypad switch
DE8409257U1 (de) * 1984-03-26 1984-07-26 Ing. Gerhard Dekorsy GmbH, 7760 Radolfzell Vorrichtung mit wenigstens einer Taste
US4605828A (en) * 1984-05-29 1986-08-12 International Business Machines Corporation Membrane keyboard switch mounting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034740A (en) * 1988-09-30 1991-07-23 Siemens Aktiengesellschaft Capacitive card module
US5494363A (en) * 1993-03-16 1996-02-27 Preh-Werke Gmbh Co. Kg Keyboard
WO1999049486A1 (fr) * 1998-03-25 1999-09-30 Linda Lee Cumings Clavier
EP1355333A3 (fr) * 2002-04-17 2006-08-16 Preh KeyTec GmbH Clavier, en particulier pour des caisses enregistreuses

Also Published As

Publication number Publication date
EP0305931A3 (fr) 1990-08-29

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Legal Events

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Effective date: 19920921

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Effective date: 19930202