GB1347774A - Solid state switches - Google Patents

Solid state switches

Info

Publication number
GB1347774A
GB1347774A GB4973071A GB4973071A GB1347774A GB 1347774 A GB1347774 A GB 1347774A GB 4973071 A GB4973071 A GB 4973071A GB 4973071 A GB4973071 A GB 4973071A GB 1347774 A GB1347774 A GB 1347774A
Authority
GB
United Kingdom
Prior art keywords
output
cores
core
key
signal
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
GB4973071A
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works 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
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of GB1347774A publication Critical patent/GB1347774A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
GB4973071A 1970-10-26 1971-10-26 Solid state switches Expired GB1347774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8518270A 1970-10-26 1970-10-26

Publications (1)

Publication Number Publication Date
GB1347774A true GB1347774A (en) 1974-02-27

Family

ID=22189983

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4973071A Expired GB1347774A (en) 1970-10-26 1971-10-26 Solid state switches

Country Status (11)

Country Link
US (1) US3698531A (cg-RX-API-DMAC10.html)
JP (1) JPS5124333B1 (cg-RX-API-DMAC10.html)
AU (1) AU455254B2 (cg-RX-API-DMAC10.html)
BE (1) BE774275A (cg-RX-API-DMAC10.html)
BR (1) BR7107113D0 (cg-RX-API-DMAC10.html)
CA (1) CA929468A (cg-RX-API-DMAC10.html)
DE (1) DE2152209A1 (cg-RX-API-DMAC10.html)
FR (1) FR2131240A5 (cg-RX-API-DMAC10.html)
GB (1) GB1347774A (cg-RX-API-DMAC10.html)
NL (1) NL7114348A (cg-RX-API-DMAC10.html)
SE (1) SE371310B (cg-RX-API-DMAC10.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761016A (en) * 1972-08-23 1973-09-25 Singer Co Keyboard having improved magnetic actuator
US3825908A (en) * 1973-02-02 1974-07-23 Illinois Tool Works Solid state switch structure
US3825909A (en) * 1973-02-02 1974-07-23 Illinois Tool Works Solid state switch structure
US3836910A (en) * 1973-03-27 1974-09-17 Illinois Tool Works Solid state phase output switch with noise immunity and diagnostic capabilities
US3848216A (en) * 1973-10-09 1974-11-12 J Gamble Solid state keyboard switch
US3911429A (en) * 1974-04-08 1975-10-07 Ibm Self-energized magnetic keys
US3958202A (en) * 1974-11-18 1976-05-18 Illinois Tool Works Inc. Positional transducer utilizing magnetic elements having improved operating characteristics
US4028696A (en) * 1976-01-26 1977-06-07 Illinois Tool Works Inc. Double depression magnetic keyswitch
US4121185A (en) * 1977-07-18 1978-10-17 Illinois Tool Works Inc. Linear position sensor
US4494109A (en) * 1978-09-27 1985-01-15 Bernin Victor M Noncontacting keyboard employing a transformer element
US4300127A (en) * 1978-09-27 1981-11-10 Bernin Victor M Solid state noncontacting keyboard employing a differential transformer element
US4398180A (en) * 1980-06-26 1983-08-09 International Standard Electric Corporation Contactless keyboard
CA1204840A (en) * 1982-04-07 1986-05-20 Johannes P. Rometsch Contactless keyboard
US4507601A (en) * 1983-02-25 1985-03-26 Andresen Herman J Lever stroke control
US4574286A (en) * 1983-02-28 1986-03-04 Andresen Herman J Controller of magnetically saturated type having programmed output characteristic
US4733214A (en) * 1983-05-23 1988-03-22 Andresen Herman J Multi-directional controller having resiliently biased cam and cam follower for tactile feedback
US4639667A (en) * 1983-05-23 1987-01-27 Andresen Herman J Contactless controllers sensing displacement along two orthogonal directions by the overlap of a magnet and saturable cores
FR2638010B1 (fr) * 1988-10-13 1991-01-18 Acroe Clavier retroactif modulaire et actionneur modulaire plat
CA2192230A1 (en) * 1996-12-05 1998-06-05 Rich Chen Electromagnetic sensitive switch
EP1514286A4 (en) * 2002-05-31 2008-04-02 G T Dev Corp SWITCH ASSEMBLY WITH MAGNETIC REED SWITCHES

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030069B (de) * 1955-08-26 1958-05-14 IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindeliingen· (Württ.) Speichertastatur
US2997703A (en) * 1956-08-03 1961-08-22 Clary Corp Keyboard controlled circuitry
US3129418A (en) * 1960-08-04 1964-04-14 Teledyne Inc Electronic keyboard
US3160875A (en) * 1962-08-01 1964-12-08 Sperry Rand Corp Magnetic encoder
US3403386A (en) * 1966-01-24 1968-09-24 Burroughs Corp Format control
US3363737A (en) * 1966-04-11 1968-01-16 Kokusai Denshin Denwa Co Ltd Pulse generating key board
US3585297A (en) * 1968-06-04 1971-06-15 Wyle Laboratories Keyboard for generating coded signals
US3488613A (en) * 1968-10-30 1970-01-06 Milli Switch Corp Magnetic keyboard switch
US3495236A (en) * 1969-04-16 1970-02-10 Burroughs Corp Transducer

Also Published As

Publication number Publication date
AU3459871A (en) 1973-04-19
BE774275A (nl) 1972-04-21
SE371310B (cg-RX-API-DMAC10.html) 1974-11-11
FR2131240A5 (cg-RX-API-DMAC10.html) 1972-11-10
JPS5124333B1 (cg-RX-API-DMAC10.html) 1976-07-23
NL7114348A (cg-RX-API-DMAC10.html) 1972-04-28
BR7107113D0 (pt) 1973-03-29
CA929468A (en) 1973-07-03
US3698531A (en) 1972-10-17
DE2152209A1 (de) 1972-04-27
AU455254B2 (en) 1974-11-21

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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