FR2294484B1 - - Google Patents

Info

Publication number
FR2294484B1
FR2294484B1 FR7440997A FR7440997A FR2294484B1 FR 2294484 B1 FR2294484 B1 FR 2294484B1 FR 7440997 A FR7440997 A FR 7440997A FR 7440997 A FR7440997 A FR 7440997A FR 2294484 B1 FR2294484 B1 FR 2294484B1
Authority
FR
France
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
FR7440997A
Other languages
French (fr)
Other versions
FR2294484A1 (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.)
N Dimensions Inc
Original Assignee
N Dimensions Inc
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
Priority to US368980A priority Critical patent/US3879602A/en
Priority to GB4940174A priority patent/GB1469800A/en
Priority to CH1559374A priority patent/CH578243A5/de
Priority to NL747415261A priority patent/NL153690B/en
Application filed by N Dimensions Inc filed Critical N Dimensions Inc
Priority to FR7440997A priority patent/FR2294484A1/en
Priority to BE151533A priority patent/BE823387A/en
Publication of FR2294484A1 publication Critical patent/FR2294484A1/en
Application granted granted Critical
Publication of FR2294484B1 publication Critical patent/FR2294484B1/fr
Granted 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • 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
    • H01H2215/00—Tactile feedback
    • H01H2215/028—Tactile feedback alterable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/034—Separate snap action
    • H01H2215/042—Permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
FR7440997A 1973-06-11 1974-12-12 DATA INPUT KEYPAD Granted FR2294484A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US368980A US3879602A (en) 1973-06-11 1973-06-11 Keyboard
GB4940174A GB1469800A (en) 1973-06-11 1974-11-14 Electric switch keyboard
CH1559374A CH578243A5 (en) 1973-06-11 1974-11-22
NL747415261A NL153690B (en) 1973-06-11 1974-11-22 ELECTRICAL KEYBOARD.
FR7440997A FR2294484A1 (en) 1973-06-11 1974-12-12 DATA INPUT KEYPAD
BE151533A BE823387A (en) 1973-06-11 1974-12-16 DATA INPUT KEYPAD

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US368980A US3879602A (en) 1973-06-11 1973-06-11 Keyboard
GB4940174A GB1469800A (en) 1973-06-11 1974-11-14 Electric switch keyboard
CH1559374A CH578243A5 (en) 1973-06-11 1974-11-22
NL747415261A NL153690B (en) 1973-06-11 1974-11-22 ELECTRICAL KEYBOARD.
FR7440997A FR2294484A1 (en) 1973-06-11 1974-12-12 DATA INPUT KEYPAD
BE151533A BE823387A (en) 1973-06-11 1974-12-16 DATA INPUT KEYPAD

Publications (2)

Publication Number Publication Date
FR2294484A1 FR2294484A1 (en) 1976-07-09
FR2294484B1 true FR2294484B1 (en) 1979-02-23

Family

ID=27543013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440997A Granted FR2294484A1 (en) 1973-06-11 1974-12-12 DATA INPUT KEYPAD

Country Status (6)

Country Link
US (1) US3879602A (en)
BE (1) BE823387A (en)
CH (1) CH578243A5 (en)
FR (1) FR2294484A1 (en)
GB (1) GB1469800A (en)
NL (1) NL153690B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060163A (en) * 1976-02-12 1977-11-29 Willingham James S Keyboard Guard
US4203013A (en) * 1976-10-26 1980-05-13 Serras Paulet Edouard Alphanumeric control keyboard with depressible keys for electric or electronic machines
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
FR2529010B1 (en) * 1982-06-22 1985-11-15 Serras Paulet Edouard KEYBOARD WITH PUSH-BUTTONS
US4496803A (en) * 1983-05-04 1985-01-29 Key Concepts, Incorporated Data entry switch
US4509873A (en) * 1983-05-05 1985-04-09 Ryan W Kenneth Alphanumeric section of office machine keyboards
US4855548A (en) * 1988-06-17 1989-08-08 Smith Corona Corporation Keybutton guide assembly for a keyboard
US4818828A (en) * 1988-06-17 1989-04-04 Smith Corona Corporation Electronic keyboard
US5867082A (en) * 1995-06-02 1999-02-02 Duraswitch, Inc. Switch with magnetically-coupled armature
US5666096A (en) * 1995-06-02 1997-09-09 Van Zeeland; Anthony J. Switch with magnetically-coupled armature
US5523730C1 (en) * 1995-06-02 2002-01-15 Van Anthony J Zeeland Switch with mangnetically-coupled armature
EP2273522B1 (en) * 2005-05-16 2012-05-09 Research in Motion Limited Key system for communication device
US7385530B2 (en) 2005-05-16 2008-06-10 Research In Motion Limited Key system for a communication device
ITMO20060118A1 (en) * 2006-04-07 2007-10-08 Grafos Srl LONG STROKE KEYBOARD, PARTICULARLY OF THE KEYBOARD TYPE OR SIMILAR TYPE
CN103218937B (en) * 2013-03-11 2015-06-17 冯旭山 Spring garden type calculation and registration demonstrator
JP5913772B2 (en) * 2013-11-14 2016-04-27 レノボ・シンガポール・プライベート・リミテッド Magnet type input device and portable computer capable of changing key operation feeling

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2802204A (en) * 1954-05-10 1957-08-06 Francis X Kennelly Acceleration operated switch
US2981816A (en) * 1957-07-25 1961-04-25 Robert T Cozart Push button assembly
US3175060A (en) * 1961-08-22 1965-03-23 North Electric Co Plunger operated magnetic electric switch
CH455000A (en) * 1965-02-02 1968-04-30 Ehrenberg Hermann Snap-action switch with magnetically switchable contact element and adjustable switching point
DE1665733B1 (en) * 1966-09-02 1970-07-09 Siemens Ag Key switches, especially for telecommunication devices
US3693123A (en) * 1970-11-04 1972-09-19 Singer Co Keyboard having magnetic latching and improved operator touch

Also Published As

Publication number Publication date
CH578243A5 (en) 1976-07-30
NL7415261A (en) 1976-05-25
NL153690B (en) 1977-06-15
FR2294484A1 (en) 1976-07-09
US3879602A (en) 1975-04-22
BE823387A (en) 1975-04-16
GB1469800A (en) 1977-04-06

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Legal Events

Date Code Title Description
ST Notification of lapse