GB2223898B - Position switches - Google Patents

Position switches

Info

Publication number
GB2223898B
GB2223898B GB8822044A GB8822044A GB2223898B GB 2223898 B GB2223898 B GB 2223898B GB 8822044 A GB8822044 A GB 8822044A GB 8822044 A GB8822044 A GB 8822044A GB 2223898 B GB2223898 B GB 2223898B
Authority
GB
United Kingdom
Prior art keywords
position switches
switches
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 - Lifetime
Application number
GB8822044A
Other versions
GB2223898A (en
GB8822044D0 (en
Inventor
Robert John Gregory
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.)
C&K Switches Ltd
Original Assignee
C&K Switches Ltd
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 C&K Switches Ltd filed Critical C&K Switches Ltd
Priority to GB8822044A priority Critical patent/GB2223898B/en
Publication of GB8822044D0 publication Critical patent/GB8822044D0/en
Publication of GB2223898A publication Critical patent/GB2223898A/en
Application granted granted Critical
Publication of GB2223898B publication Critical patent/GB2223898B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/285—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding of the unit Hamming distance type, e.g. Gray code
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/25—Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H01H2221/014—Slide selector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/038—Level sensing or limit switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/026—Internal encoding, e.g. validity bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
GB8822044A 1988-09-20 1988-09-20 Position switches Expired - Lifetime GB2223898B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8822044A GB2223898B (en) 1988-09-20 1988-09-20 Position switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8822044A GB2223898B (en) 1988-09-20 1988-09-20 Position switches

Publications (3)

Publication Number Publication Date
GB8822044D0 GB8822044D0 (en) 1988-10-19
GB2223898A GB2223898A (en) 1990-04-18
GB2223898B true GB2223898B (en) 1992-11-18

Family

ID=10643907

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8822044A Expired - Lifetime GB2223898B (en) 1988-09-20 1988-09-20 Position switches

Country Status (1)

Country Link
GB (1) GB2223898B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2722622B1 (en) * 1994-07-18 1996-08-30 Schneider Electric Sa ELECTRONIC TRIGGER COMPRISING AT LEAST ONE ADJUSTING MEMBER
DE10306738A1 (en) * 2003-02-17 2004-09-02 Johnson Controls Gmbh Position detection device, component and method
EP1790952A1 (en) * 2005-11-23 2007-05-30 Saab AB Direction indicating device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435098A (en) * 1972-05-13 1976-05-12 Lucas Electrical Ltd Fuel supply systems for internal combustion engines
GB1436848A (en) * 1973-04-18 1976-05-26 Penny Giles Conductive Plastic Electrical resistance control apparatus
GB1594265A (en) * 1977-05-03 1981-07-30 Westinghouse Brake & Signal Binary code converters and electrically controlled braking systems incorporating such converters
GB2168862A (en) * 1984-12-19 1986-06-25 Smith Meters Ltd Commodity meters

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435098A (en) * 1972-05-13 1976-05-12 Lucas Electrical Ltd Fuel supply systems for internal combustion engines
GB1436848A (en) * 1973-04-18 1976-05-26 Penny Giles Conductive Plastic Electrical resistance control apparatus
GB1594265A (en) * 1977-05-03 1981-07-30 Westinghouse Brake & Signal Binary code converters and electrically controlled braking systems incorporating such converters
GB2168862A (en) * 1984-12-19 1986-06-25 Smith Meters Ltd Commodity meters

Also Published As

Publication number Publication date
GB2223898A (en) 1990-04-18
GB8822044D0 (en) 1988-10-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950920