NL179692C - KEYPAD KEYPAD WITH PERMANENT MAGNETIC RESET. - Google Patents

KEYPAD KEYPAD WITH PERMANENT MAGNETIC RESET.

Info

Publication number
NL179692C
NL179692C NL7612000A NL7612000A NL179692C NL 179692 C NL179692 C NL 179692C NL 7612000 A NL7612000 A NL 7612000A NL 7612000 A NL7612000 A NL 7612000A NL 179692 C NL179692 C NL 179692C
Authority
NL
Netherlands
Prior art keywords
keypad
permanent magnetic
magnetic reset
reset
permanent
Prior art date
Application number
NL7612000A
Other languages
Dutch (nl)
Other versions
NL179692B (en
NL7612000A (en
Original Assignee
Serras Paulet Edouard
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 Serras Paulet Edouard filed Critical Serras Paulet Edouard
Publication of NL7612000A publication Critical patent/NL7612000A/en
Publication of NL179692B publication Critical patent/NL179692B/en
Application granted granted Critical
Publication of NL179692C publication Critical patent/NL179692C/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
NL7612000A 1975-10-29 1976-10-29 KEYPAD KEYPAD WITH PERMANENT MAGNETIC RESET. NL179692C (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 (3)

Publication Number Publication Date
NL7612000A NL7612000A (en) 1977-05-03
NL179692B NL179692B (en) 1986-05-16
NL179692C true NL179692C (en) 1986-10-16

Family

ID=9161796

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7612000A NL179692C (en) 1975-10-29 1976-10-29 KEYPAD KEYPAD WITH PERMANENT MAGNETIC RESET.

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)

Families Citing this family (14)

* 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
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
FR2443130A1 (en) * 1978-11-29 1980-06-27 Serras Paulet Edouard CONTROL KEYBOARD FOR ELECTRIC OR ELECTRONIC DEVICES
DE2953379A1 (en) * 1978-11-29 1980-12-11 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

Also Published As

Publication number Publication date
JPS5254980A (en) 1977-05-04
DE2647922A1 (en) 1977-05-12
IT1068799B (en) 1985-03-21
DE2647922C2 (en) 1983-08-18
FR2356199B1 (en) 1978-12-29
SE419585B (en) 1981-08-10
BE847721A (en) 1977-04-28
FR2356199A1 (en) 1978-01-20
NL179692B (en) 1986-05-16
SE7611934L (en) 1977-04-30
GB1552444A (en) 1979-09-12
NL7612000A (en) 1977-05-03

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee