GB1345771A - Electrical signal devices - Google Patents

Electrical signal devices

Info

Publication number
GB1345771A
GB1345771A GB2027171A GB2027171A GB1345771A GB 1345771 A GB1345771 A GB 1345771A GB 2027171 A GB2027171 A GB 2027171A GB 2027171 A GB2027171 A GB 2027171A GB 1345771 A GB1345771 A GB 1345771A
Authority
GB
United Kingdom
Prior art keywords
signal
gate
plate
line
resistor
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
GB2027171A
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.)
Colorado Instruments Inc
Original Assignee
Colorado Instruments 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 Colorado Instruments Inc filed Critical Colorado Instruments Inc
Publication of GB1345771A publication Critical patent/GB1345771A/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
    • H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • 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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • 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
    • H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/034—Separate snap action
    • H01H2215/036—Metallic disc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/006—Containing a capacitive switch or usable as such

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Telephone Set Structure (AREA)
GB2027171A 1970-02-20 1971-04-19 Electrical signal devices Expired GB1345771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1309170A 1970-02-20 1970-02-20

Publications (1)

Publication Number Publication Date
GB1345771A true GB1345771A (en) 1974-02-06

Family

ID=21758261

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2027171A Expired GB1345771A (en) 1970-02-20 1971-04-19 Electrical signal devices

Country Status (7)

Country Link
US (1) US3653038A (enExample)
JP (1) JPS5327470B1 (enExample)
CA (1) CA930311A (enExample)
DE (1) DE2105071C3 (enExample)
FR (1) FR2078851A5 (enExample)
GB (1) GB1345771A (enExample)
SE (2) SE384088B (enExample)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696908A (en) * 1970-11-09 1972-10-10 Sperry Rand Corp Capacitive key
USRE31942E (en) * 1971-03-01 1985-07-09 High speed serial scan and readout of keyboards
US3797630A (en) * 1971-07-12 1974-03-19 Alphanumeric Holdings Ltd Keyboard for electronic circuit
US3751612A (en) * 1971-08-30 1973-08-07 Colorado Instr Inc Snap action capacitive type switch
BE794109A (fr) * 1972-01-18 1973-05-16 Western Electric Co Selecteur a touches a electret a unites multiples
US3786495A (en) * 1972-05-17 1974-01-15 Ncr Stored charge transducer
US3786497A (en) * 1972-07-31 1974-01-15 Ibm Matrix keyboard method and apparatus
US3886866A (en) * 1972-11-24 1975-06-03 Us Navy Capacitor - contact fuze system
USRE30923E (en) * 1973-01-02 1982-05-04 Bowmar Instrument Corporation Calculator keyboard switch with disc spring contact and printed circuit board
US3912988A (en) * 1973-01-29 1975-10-14 Fischer & Porter Co Capacitive detector for an electronic differential pressure transmitter
US3931610A (en) * 1973-11-29 1976-01-06 Teletype Corporation Capacitive keyswitch sensor and method
US3867594A (en) * 1973-11-29 1975-02-18 Texas Instruments Inc Pressure sensitive switch with diaphragm and dish contact means
US4031329A (en) * 1974-06-13 1977-06-21 International Telephone And Telegraph Corporation Time limited telephone paging employs a relay switch actuated by dual frequency tone
US3925610A (en) * 1974-08-12 1975-12-09 Bell Telephone Labor Inc Graphic communications tablet
US4034234A (en) * 1975-01-10 1977-07-05 Texas Instruments Incorporated Switching module for solid-state keyboard
US3982079A (en) * 1975-04-16 1976-09-21 Litton Business Telephone Systems, Inc. Touch-to-rotary converter for a telephone instrument
US4015254A (en) * 1975-12-04 1977-03-29 General Motors Corporation Keyboard encoding circuit utilizing an A/D converter
US4095066A (en) * 1976-08-04 1978-06-13 International Business Machines Corporation Hinged flyplate actuator
US4103252A (en) * 1976-11-26 1978-07-25 Xerox Corporation Capacitive touch-activated transducer system including a plurality of oscillators
JPS5380571A (en) * 1976-12-24 1978-07-17 Hitachi Ltd Switch
US4209819A (en) * 1978-03-13 1980-06-24 Key Tronic Corporation Capacitive keyswitch
US4234871A (en) * 1978-06-06 1980-11-18 Ing. C. Olivetti & C., S.P.A. Capacitive keyboard for data processing equipments
JPS5854754Y2 (ja) * 1978-06-23 1983-12-14 トヨスタ−株式会社 タツチスイツチ
DE2833186B2 (de) * 1978-07-28 1980-08-14 Schoeller & Co Elektrotechnische Fabrik Gmbh & Co, 6000 Frankfurt Drucktastenschalter
DE2931489C2 (de) * 1979-08-03 1987-07-09 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg Steuerhebelschalter
US4482932A (en) * 1981-07-30 1984-11-13 Topre Corporation Keyboard switch
US4458293A (en) * 1981-11-05 1984-07-03 Cherry Electrical Products Corporation Capacitive keyboard
US4466046A (en) * 1982-05-17 1984-08-14 Cherry Electrical Products Corporation Capacitive keyboard switch
US4561002A (en) * 1982-08-30 1985-12-24 General Electric Company Capacitive touch switch arrangement
DE3236098A1 (de) * 1982-09-29 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Druckwandleranordnung, insbesondere fuer industrieroboter
DE3337122A1 (de) * 1982-10-20 1984-04-26 Siemens AG, 1000 Berlin und 8000 München Kapazitive taste
DE8505750U1 (de) * 1985-02-28 1986-08-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Rechteckförmiger Kontaktträger für Tastaturen
US5906019A (en) * 1995-10-31 1999-05-25 Mccarthy; Kevin Air mattress with oval beams
DE102008007034A1 (de) * 2008-01-31 2009-08-13 Siemens Aktiengesellschaft Kondensatoranordnung mit veränderbarer Kapazität, Verfahren zum Herstellen der Kondensatoranordnung und Verwendung der Kondensatoranordnung
CN101908874A (zh) * 2009-06-03 2010-12-08 Ge医疗系统环球技术有限公司 具有机械触感的电容式数据输入装置
DE102009032614A1 (de) * 2009-07-10 2011-01-13 Bayerische Motoren Werke Aktiengesellschaft Schaltelement und Verfahren zur Auswertung eines Schaltelements
DE202011110179U1 (de) * 2011-07-25 2013-05-08 BSH Bosch und Siemens Hausgeräte GmbH Bedienvorrichtung für ein Haushaltsgerät und Haushaltsgerät
DE102011121897A1 (de) * 2011-12-22 2013-06-27 Diehl Ako Stiftung & Co. Kg Kapazitiver Berührungsschalter
EP2629422B1 (de) 2012-02-15 2014-08-20 Flextronics International Kft. Kapazitiver Schalter
DE102012209366A1 (de) * 2012-06-04 2013-12-05 Zf Friedrichshafen Ag Schaltvorrichtung und Verfahren zum Erfassen eines Schaltvorgangs einer Schaltvorrichtung
US10218383B2 (en) * 2013-06-25 2019-02-26 Ncr Corporation Keypad
MX2020010911A (es) 2018-04-16 2020-11-06 Merit Automotive Electronics Systems S L U Sistema de control capacitivo, en particular un modulo integrado en la columna del volante de un vehiculo automotriz.
WO2023101098A1 (ko) 2021-12-01 2023-06-08 엘지전자 주식회사 휴대용 전자기기

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB467750A (en) * 1936-02-17 1937-06-23 Cole E K Ltd Improvements in trimmer condensers
US3159820A (en) * 1958-11-24 1964-12-01 Int Standard Electric Corp Information storage device
BE631062A (enExample) * 1962-04-20
US3293640A (en) * 1964-05-22 1966-12-20 Chalfin Albert Electronic systems keyboard and switch matrix

Also Published As

Publication number Publication date
DE2105071C3 (de) 1981-01-29
JPS5327470B1 (enExample) 1978-08-08
CA930311A (en) 1973-07-17
DE2105071B2 (de) 1976-08-19
FR2078851A5 (enExample) 1971-11-05
SE366598B (enExample) 1974-04-29
SE384088B (sv) 1976-04-12
US3653038A (en) 1972-03-28
DE2105071A1 (de) 1971-09-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee