BE794054A - Clavier a touches - Google Patents

Clavier a touches

Info

Publication number
BE794054A
BE794054A BE794054DA BE794054A BE 794054 A BE794054 A BE 794054A BE 794054D A BE794054D A BE 794054DA BE 794054 A BE794054 A BE 794054A
Authority
BE
Belgium
Prior art keywords
keypad
Prior art date
Application number
Other languages
English (en)
Original Assignee
Loncour Andre G J
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.)
Publication date
Publication of BE794054A publication Critical patent/BE794054A/fr

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
    • H01H13/84—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 ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/012—Two keys simultaneous considerations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/034—Bezel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset
BE794054D 1973-01-15 Clavier a touches BE794054A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE794054 1973-01-15

Publications (1)

Publication Number Publication Date
BE794054A true BE794054A (fr) 1973-05-02

Family

ID=3860646

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794054D BE794054A (fr) 1973-01-15 Clavier a touches

Country Status (1)

Country Link
BE (1) BE794054A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481193A1 (fr) * 1990-10-16 1992-04-22 FRITZ HARTMANN GERÄTEBAU GMBH & CO KG Clavier miniature pour appareillage électrique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481193A1 (fr) * 1990-10-16 1992-04-22 FRITZ HARTMANN GERÄTEBAU GMBH & CO KG Clavier miniature pour appareillage électrique
US5274217A (en) * 1990-10-16 1993-12-28 Fritz Hartmann Geratebau GmbH & Co. KG Keyboard having keys with different heights

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