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NL153690B - ELECTRICAL KEYBOARD. - Google Patents

ELECTRICAL KEYBOARD.

Info

Publication number
NL153690B
NL153690B NL747415261A NL7415261A NL153690B NL 153690 B NL153690 B NL 153690B NL 747415261 A NL747415261 A NL 747415261A NL 7415261 A NL7415261 A NL 7415261A NL 153690 B NL153690 B NL 153690B
Authority
NL
Netherlands
Prior art keywords
electrical keyboard
keyboard
electrical
Prior art date
Application number
NL747415261A
Other languages
Dutch (nl)
Other versions
NL7415261A (en
Original Assignee
N Dimensions
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
Application filed by N Dimensions filed Critical N Dimensions
Priority to CH1559374A priority patent/CH578243A5/de
Priority to NL747415261A priority patent/NL153690B/en
Priority to FR7440997A priority patent/FR2294484A1/en
Priority to BE151533A priority patent/BE823387A/en
Publication of NL7415261A publication Critical patent/NL7415261A/en
Publication of NL153690B publication Critical patent/NL153690B/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
    • 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)
NL747415261A 1973-06-11 1974-11-22 ELECTRICAL KEYBOARD. NL153690B (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
NL7415261A NL7415261A (en) 1976-05-25
NL153690B true NL153690B (en) 1977-06-15

Family

ID=27543013

Family Applications (1)

Application Number Title Priority Date Filing Date
NL747415261A NL153690B (en) 1973-06-11 1974-11-22 ELECTRICAL KEYBOARD.

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
US4818828A (en) * 1988-06-17 1989-04-04 Smith Corona Corporation Electronic keyboard
US4855548A (en) * 1988-06-17 1989-08-08 Smith Corona Corporation Keybutton guide assembly for a keyboard
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
US5867082A (en) * 1995-06-02 1999-02-02 Duraswitch, Inc. Switch with magnetically-coupled armature
US7385530B2 (en) 2005-05-16 2008-06-10 Research In Motion Limited Key system for a communication device
ATE521076T1 (en) * 2005-05-16 2011-09-15 Research In Motion Ltd BUTTON SYSTEM FOR 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
BE823387A (en) 1975-04-16
FR2294484A1 (en) 1976-07-09
CH578243A5 (en) 1976-07-30
US3879602A (en) 1975-04-22
FR2294484B1 (en) 1979-02-23
NL7415261A (en) 1976-05-25
GB1469800A (en) 1977-04-06

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: DIMENSIONS