BE847721A - ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE, - Google Patents

ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE,

Info

Publication number
BE847721A
BE847721A BE171855A BE171855A BE847721A BE 847721 A BE847721 A BE 847721A BE 171855 A BE171855 A BE 171855A BE 171855 A BE171855 A BE 171855A BE 847721 A BE847721 A BE 847721A
Authority
BE
Belgium
Prior art keywords
electrical
electronic machine
alphanumeric keypad
pressure keys
keys
Prior art date
Application number
BE171855A
Other languages
French (fr)
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 filed Critical
Publication of BE847721A publication Critical patent/BE847721A/en

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/02—Energy stored by the attraction or repulsion of magnetic parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/036—Return force
    • H01H2221/04—Return force magnetic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/024—Miscellaneous with inductive switch
BE171855A 1975-10-29 1976-10-28 ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE, BE847721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7533085A FR2356199A1 (en) 1975-10-29 1975-10-29 ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE

Publications (1)

Publication Number Publication Date
BE847721A true BE847721A (en) 1977-04-28

Family

ID=9161796

Family Applications (1)

Application Number Title Priority Date Filing Date
BE171855A BE847721A (en) 1975-10-29 1976-10-28 ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE,

Country Status (8)

Country Link
JP (1) JPS5254980A (en)
BE (1) BE847721A (en)
DE (1) DE2647922C2 (en)
FR (1) FR2356199A1 (en)
GB (1) GB1552444A (en)
IT (1) IT1068799B (en)
NL (1) NL179692C (en)
SE (1) SE419585B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395546A2 (en) * 1977-06-22 1979-01-19 Serras Paulet Edouard ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392548A2 (en) * 1977-05-25 1978-12-22 Serras Paulet Edouard PUSH-BUTTON DEVICE FOR SWITCHING AN ELECTRONIC OR ELECTRIC CIRCUIT
JPS5914985Y2 (en) * 1978-02-28 1984-05-02 シャープ株式会社 key input device
DE2953379A1 (en) * 1978-11-29 1980-12-11 Serras Paulet Edouard CONTROL KEYBOARD FOR ELECTRIC OR ELECTRONIC DEVICES
FR2443130A1 (en) * 1978-11-29 1980-06-27 Serras Paulet Edouard CONTROL KEYBOARD FOR ELECTRIC OR ELECTRONIC DEVICES
FR2484130A1 (en) * 1980-06-06 1981-12-11 Serras Paulet Edouard DEVICE WITH A FASTENABLE TOUCH FORMING A DELAYED OPEN SWITCH
FR2515472A1 (en) * 1981-10-27 1983-04-29 Thomson Csf Mat Tel Magnetoresistive switch mechanism for telephone matrix key pads - has magnetically governed keys which alter conductivity of two adjacent conducting tracks at cross-point
DE3408599A1 (en) * 1984-03-09 1985-09-19 MIT Wilde Membran Impuls Technik GmbH, 5828 Ennepetal Component for switching technology
JPS61203695A (en) * 1985-03-06 1986-09-09 シャープ株式会社 Part mounting system for single-side wiring board
US4827243A (en) * 1987-11-23 1989-05-02 Cheng Sheng Chuang Improved structure of computer keyboard and circuit board
FR2656736A1 (en) * 1990-01-04 1991-07-05 Gen Electric Cgr Proximity console for equipment with multiple functionalities
US5729221A (en) * 1996-04-01 1998-03-17 Motorola, Inc. Keypad configuration
US6262646B1 (en) * 1999-10-18 2001-07-17 Duraswitch Industries, Inc. Island switch
FR2824899B1 (en) 2001-05-17 2003-10-03 Giat Ind Sa CONTAINER FOR PROPULSIVE CHARGING MODULES

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916360A (en) * 1974-08-09 1975-10-28 Singer Co Magnetic keyboard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395546A2 (en) * 1977-06-22 1979-01-19 Serras Paulet Edouard ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE

Also Published As

Publication number Publication date
DE2647922C2 (en) 1983-08-18
SE7611934L (en) 1977-04-30
GB1552444A (en) 1979-09-12
FR2356199A1 (en) 1978-01-20
DE2647922A1 (en) 1977-05-12
NL7612000A (en) 1977-05-03
FR2356199B1 (en) 1978-12-29
IT1068799B (en) 1985-03-21
JPS5254980A (en) 1977-05-04
NL179692C (en) 1986-10-16
SE419585B (en) 1981-08-10
NL179692B (en) 1986-05-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SERRAS-PAULET EDOUARD

Effective date: 19931031