GB1552444A - Keyboard with depressible keys for electric or electronic machines - Google Patents

Keyboard with depressible keys for electric or electronic machines

Info

Publication number
GB1552444A
GB1552444A GB4379976A GB4379976A GB1552444A GB 1552444 A GB1552444 A GB 1552444A GB 4379976 A GB4379976 A GB 4379976A GB 4379976 A GB4379976 A GB 4379976A GB 1552444 A GB1552444 A GB 1552444A
Authority
GB
United Kingdom
Prior art keywords
keyboard
electric
electronic machines
depressible keys
depressible
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
GB4379976A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1552444A publication Critical patent/GB1552444A/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
    • 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
GB4379976A 1975-10-29 1976-10-21 Keyboard with depressible keys for electric or electronic machines Expired GB1552444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7533085A FR2356199A1 (fr) 1975-10-29 1975-10-29 Clavier de commande alphanumerique a touches enfoncables pour machine electrique ou electronique

Publications (1)

Publication Number Publication Date
GB1552444A true GB1552444A (en) 1979-09-12

Family

ID=9161796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4379976A Expired GB1552444A (en) 1975-10-29 1976-10-21 Keyboard with depressible keys for electric or electronic machines

Country Status (8)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172441A (en) * 1985-03-06 1986-09-17 Sharp Kk Printed wiring board with key contacts
GB2217517A (en) * 1987-11-23 1989-10-25 Liou Maw Lin Computer keyboard
GB2311897A (en) * 1996-04-01 1997-10-08 Motorola Inc Keypad configuration
EP1166301A1 (fr) * 1999-10-18 2002-01-02 Duraswitch Industries Inc. Interrupteur sous forme d'"ilot"

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395546A2 (fr) * 1977-06-22 1979-01-19 Serras Paulet Edouard Clavier de commande alphanumerique a touches enfoncables pour machine electrique ou electronique
FR2392548A2 (fr) * 1977-05-25 1978-12-22 Serras Paulet Edouard Dispositif a bouton poussoir de commande de commutation d'un circuit electronique ou electrique
JPS5914985Y2 (ja) * 1978-02-28 1984-05-02 シャープ株式会社 キ−入力装置
DE2953379A1 (de) * 1978-11-29 1980-12-11 Serras Paulet Edouard Control keyboard for electric or electronic devices
FR2443130A1 (fr) * 1978-11-29 1980-06-27 Serras Paulet Edouard Clavier de commande de dispositifs electriques ou electroniques
FR2484130A1 (fr) * 1980-06-06 1981-12-11 Serras Paulet Edouard Dispositif a touche enfoncable formant interrupteur a ouverture retardee
FR2515472A1 (fr) * 1981-10-27 1983-04-29 Thomson Csf Mat Tel Clavier de commande a commutation magnetoresistive, notamment pour poste telephonique
DE3408599A1 (de) * 1984-03-09 1985-09-19 MIT Wilde Membran Impuls Technik GmbH, 5828 Ennepetal Bauelement fuer die vermittlungstechnik
FR2656736A1 (fr) * 1990-01-04 1991-07-05 Gen Electric Cgr Pupitre de proximite pour equipement a fonctionnalites multiples.
FR2824899B1 (fr) 2001-05-17 2003-10-03 Giat Ind Sa Conteneur pour modules de charge propulsive

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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172441A (en) * 1985-03-06 1986-09-17 Sharp Kk Printed wiring board with key contacts
GB2172441B (en) * 1985-03-06 1989-06-21 Sharp Kk Method of mounting electronic parts onto single-sided printed wiring board
US4841633A (en) * 1985-03-06 1989-06-27 Sharp Kabushiki Kaisha Method of mounting electronic parts onto single-sided printed wiring board
GB2217517A (en) * 1987-11-23 1989-10-25 Liou Maw Lin Computer keyboard
GB2311897A (en) * 1996-04-01 1997-10-08 Motorola Inc Keypad configuration
US5729221A (en) * 1996-04-01 1998-03-17 Motorola, Inc. Keypad configuration
GB2311897B (en) * 1996-04-01 2000-08-16 Motorola Inc Keypad configuration
EP1166301A1 (fr) * 1999-10-18 2002-01-02 Duraswitch Industries Inc. Interrupteur sous forme d'"ilot"
EP1166301A4 (fr) * 1999-10-18 2004-03-24 Duraswitch Ind Inc Interrupteur sous forme d'"ilot"

Also Published As

Publication number Publication date
DE2647922A1 (de) 1977-05-12
SE7611934L (sv) 1977-04-30
BE847721A (fr) 1977-04-28
DE2647922C2 (de) 1983-08-18
NL179692B (nl) 1986-05-16
FR2356199A1 (fr) 1978-01-20
FR2356199B1 (fr) 1978-12-29
JPS5254980A (en) 1977-05-04
NL7612000A (nl) 1977-05-03
SE419585B (sv) 1981-08-10
NL179692C (nl) 1986-10-16
IT1068799B (it) 1985-03-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931021