GB1329209A - Electric switching device - Google Patents

Electric switching device

Info

Publication number
GB1329209A
GB1329209A GB3753671A GB3753671A GB1329209A GB 1329209 A GB1329209 A GB 1329209A GB 3753671 A GB3753671 A GB 3753671A GB 3753671 A GB3753671 A GB 3753671A GB 1329209 A GB1329209 A GB 1329209A
Authority
GB
United Kingdom
Prior art keywords
coils
depressions
comb
button
levers
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
GB3753671A
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 GB1329209A publication Critical patent/GB1329209A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06CDIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00Input mechanisms
    • G06C7/02Keyboards
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202Constructional details or processes of manufacture of the input device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/12Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/242Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Human Computer Interaction (AREA)
  • Push-Button Switches (AREA)
  • Toys (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

1329209 Retractive switches T ARVAI 10 Aug 1971 [10 Aug 1970] 37536/71 Heading H1N A switching device has contacts comprising a helically coiled wire 1 and blade 3, the wire 1 being supported on a base 5 formed with a plurality of depressions 2a into which the coil can be deformed. This contact arrangement is said to give reliable immediate engagement with no contact bounce; the blade 3 can engage between the turns of the coil or simply abut on turn. In Figs. 2 (not shown) and 3 a plurality of coils 1 extend side by side on a base 11 formed with the depressions. Above the coils a plurality of levers 12, at right angles to the coils, are pivoted on a shaft 14; each is biased away from the coils by a spring 16 and carries a push button 19; a plurality of balls 15 arranged parallel to the coils 1 ensure that one only of the levers 12 can be depressed by its push button at any time. Each lever 12 carries a comb 12 providing a plurality of contact blades 12a aligned with the coils and depressions 2a. In use each comb 12 has most of its blades 12a broken away (Fig. 3a, not shown) leaving a predetermined pattern, each comb being different, so that depression of any button 19 causes predetermined ones of the coils 1 to be connected to a voltage source and thus provides a discrete coded output from the coils corresponding to the button depressed.
GB3753671A 1970-08-10 1971-08-10 Electric switching device Expired GB1329209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7029447A FR2102579A5 (en) 1970-08-10 1970-08-10

Publications (1)

Publication Number Publication Date
GB1329209A true GB1329209A (en) 1973-09-05

Family

ID=9060044

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3753671A Expired GB1329209A (en) 1970-08-10 1971-08-10 Electric switching device

Country Status (11)

Country Link
US (1) US3745269A (en)
AU (1) AU3214471A (en)
BR (1) BR7105114D0 (en)
CA (1) CA941423A (en)
CH (1) CH546474A (en)
DE (1) DE2139812A1 (en)
ES (1) ES394606A1 (en)
FR (1) FR2102579A5 (en)
GB (1) GB1329209A (en)
NL (1) NL7111019A (en)
SE (1) SE361757B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1460021A (en) * 1973-01-24 1976-12-31 Gen Electric Co Ltd Electric switches
SE375868B (en) * 1973-11-07 1975-04-28 Facit Ab
FR3120836B1 (en) 2021-03-16 2023-02-10 Psa Automobiles Sa METHOD FOR CONTROLLING A VACUUM PUMP OF AN ELECTRIC VEHICLE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666822A (en) * 1952-10-15 1954-01-19 Central Commercial Ind Inc Stop switch
US2882514A (en) * 1955-10-11 1959-04-14 Bell Telephone Labor Inc Electric circuit connector
US3193607A (en) * 1961-03-07 1965-07-06 Chicago Musical Instr Co Key switch assembly
US3432635A (en) * 1965-02-04 1969-03-11 Paolo Settimio Soprani Switches and mechanism for forming chords in electronic musical instruments
US3494550A (en) * 1967-01-13 1970-02-10 Ibm Universal keyboard

Also Published As

Publication number Publication date
FR2102579A5 (en) 1972-04-07
US3745269A (en) 1973-07-10
AU3214471A (en) 1973-02-15
DE2139812A1 (en) 1972-03-30
NL7111019A (en) 1972-02-14
ES394606A1 (en) 1973-11-16
BR7105114D0 (en) 1973-04-12
CH546474A (en) 1974-02-28
CA941423A (en) 1974-02-05
SE361757B (en) 1973-11-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees