GB1469800A - Electric switch keyboard - Google Patents

Electric switch keyboard

Info

Publication number
GB1469800A
GB1469800A GB4940174A GB4940174A GB1469800A GB 1469800 A GB1469800 A GB 1469800A GB 4940174 A GB4940174 A GB 4940174A GB 4940174 A GB4940174 A GB 4940174A GB 1469800 A GB1469800 A GB 1469800A
Authority
GB
United Kingdom
Prior art keywords
contacts
magnets
plate
blades
support plate
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
GB4940174A
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.)
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
Application filed by N Dimensions Inc filed Critical N Dimensions Inc
Priority to GB4940174A priority patent/GB1469800A/en
Priority to NL747415261A priority patent/NL153690B/xx
Priority to CH1559374A priority patent/CH578243A5/de
Priority to FR7440997A priority patent/FR2294484A1/fr
Priority to BE151533A priority patent/BE823387A/xx
Publication of GB1469800A publication Critical patent/GB1469800A/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
    • 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 OR CALCULATING; 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)
GB4940174A 1973-06-11 1974-11-14 Electric switch keyboard Expired GB1469800A (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
NL747415261A NL153690B (nl) 1973-06-11 1974-11-22 Elektrisch toetsenbord.
CH1559374A CH578243A5 (enrdf_load_html_response) 1973-06-11 1974-11-22
FR7440997A FR2294484A1 (fr) 1973-06-11 1974-12-12 Clavier d'introduction de donnees
BE151533A BE823387A (fr) 1973-06-11 1974-12-16 Clavier d'introduction de donnees

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
NL747415261A NL153690B (nl) 1973-06-11 1974-11-22 Elektrisch toetsenbord.
CH1559374A CH578243A5 (enrdf_load_html_response) 1973-06-11 1974-11-22
FR7440997A FR2294484A1 (fr) 1973-06-11 1974-12-12 Clavier d'introduction de donnees
BE151533A BE823387A (fr) 1973-06-11 1974-12-16 Clavier d'introduction de donnees

Publications (1)

Publication Number Publication Date
GB1469800A true GB1469800A (en) 1977-04-06

Family

ID=27543013

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4940174A Expired GB1469800A (en) 1973-06-11 1974-11-14 Electric switch keyboard

Country Status (6)

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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001218A1 (fr) * 1978-11-29 1980-06-12 Serras Paulet Edouard Clavier de commande de dispositifs electriques ou electroniques
WO1981003577A1 (fr) * 1980-06-06 1981-12-10 Serras Paulet Edouard Dispositif a touche enfoncable formant interrupteur a ouverture retardee
FR2529010A1 (fr) * 1982-06-22 1983-12-23 Serras Paulet Edouard Clavier a touches enfoncables
EP0174400A1 (en) * 1983-05-04 1986-03-19 Key Concepts Incorporated Improved data entry switch
EP1843371A3 (en) * 2006-04-07 2009-04-22 Grafos Societa' A Responsabilita' Limitata Abbreviabile In Grafos S.R.L. Long-stroke keyboard, particularly the panel keyboard type or the like
EP2273522A1 (en) * 2005-05-16 2011-01-12 Research in Motion Limited Key system for communication device
US8963744B2 (en) 2005-05-16 2015-02-24 Blackberry Limited Key system for an electronic device

Families Citing this family (12)

* 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
DE2807061C3 (de) 1978-02-18 1980-09-18 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Aus Einzeltasten zusammensetzbare Tastatur
US4509873A (en) * 1983-05-05 1985-04-09 Ryan W Kenneth Alphanumeric section of office machine keyboards
USD302977S (en) 1986-11-18 1989-08-22 Northern Telecom Limited Keyboard key arrangement
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
CN103218937B (zh) * 2013-03-11 2015-06-17 冯旭山 一种计算、示数演示器
JP5913772B2 (ja) * 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 キーの操作感の変更が可能なマグネット式の入力装置および携帯式コンピュータ

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 (de) * 1965-02-02 1968-04-30 Ehrenberg Hermann Schnappschalter mit magnetisch umschaltbarem Kontaktglied und einstellbarem Schaltpunkt
DE1665733B1 (de) * 1966-09-02 1970-07-09 Siemens Ag Tastenschalter,insbesondere fuer Fernmeldegeraete
US3693123A (en) * 1970-11-04 1972-09-19 Singer Co Keyboard having magnetic latching and improved operator touch

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001218A1 (fr) * 1978-11-29 1980-06-12 Serras Paulet Edouard Clavier de commande de dispositifs electriques ou electroniques
US4400594A (en) 1978-11-29 1983-08-23 Serras Paulet Edouard Control keyboard for electric or electronic devices
WO1981003577A1 (fr) * 1980-06-06 1981-12-10 Serras Paulet Edouard Dispositif a touche enfoncable formant interrupteur a ouverture retardee
FR2484130A1 (fr) * 1980-06-06 1981-12-11 Serras Paulet Edouard Dispositif a touche enfoncable formant interrupteur a ouverture retardee
FR2529010A1 (fr) * 1982-06-22 1983-12-23 Serras Paulet Edouard Clavier a touches enfoncables
WO1984000247A1 (fr) * 1982-06-22 1984-01-19 Serras Paulet Edouard Clavier a touches enfoncables
EP0174400A1 (en) * 1983-05-04 1986-03-19 Key Concepts Incorporated Improved data entry switch
EP2273522A1 (en) * 2005-05-16 2011-01-12 Research in Motion Limited Key system for communication device
US8963744B2 (en) 2005-05-16 2015-02-24 Blackberry Limited Key system for an electronic device
EP1843371A3 (en) * 2006-04-07 2009-04-22 Grafos Societa' A Responsabilita' Limitata Abbreviabile In Grafos S.R.L. Long-stroke keyboard, particularly the panel keyboard type or the like

Also Published As

Publication number Publication date
FR2294484B1 (enrdf_load_html_response) 1979-02-23
NL153690B (nl) 1977-06-15
FR2294484A1 (fr) 1976-07-09
CH578243A5 (enrdf_load_html_response) 1976-07-30
BE823387A (fr) 1975-04-16
US3879602A (en) 1975-04-22
NL7415261A (nl) 1976-05-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
CSNS Application of which complete specification have been accepted and published, but patent is not sealed
PCNP Patent ceased through non-payment of renewal fee