GB2146503B - Solid state switch - Google Patents

Solid state switch

Info

Publication number
GB2146503B
GB2146503B GB08420701A GB8420701A GB2146503B GB 2146503 B GB2146503 B GB 2146503B GB 08420701 A GB08420701 A GB 08420701A GB 8420701 A GB8420701 A GB 8420701A GB 2146503 B GB2146503 B GB 2146503B
Authority
GB
United Kingdom
Prior art keywords
solid state
state switch
switch
solid
state
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
GB08420701A
Other versions
GB8420701D0 (en
GB2146503A (en
Inventor
John Anthony Bloice
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 GB8420701D0 publication Critical patent/GB8420701D0/en
Publication of GB2146503A publication Critical patent/GB2146503A/en
Application granted granted Critical
Publication of GB2146503B publication Critical patent/GB2146503B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB08420701A 1982-06-25 1984-08-15 Solid state switch Expired GB2146503B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE153082A IE821530L (en) 1982-06-25 1982-06-25 Infra-red intrusion detector system

Publications (3)

Publication Number Publication Date
GB8420701D0 GB8420701D0 (en) 1984-09-19
GB2146503A GB2146503A (en) 1985-04-17
GB2146503B true GB2146503B (en) 1986-08-28

Family

ID=11028586

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08317194A Expired GB2122339B (en) 1982-06-25 1983-06-24 Infra-red intrusion detector system
GB08420701A Expired GB2146503B (en) 1982-06-25 1984-08-15 Solid state switch

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB08317194A Expired GB2122339B (en) 1982-06-25 1983-06-24 Infra-red intrusion detector system

Country Status (2)

Country Link
GB (2) GB2122339B (en)
IE (1) IE821530L (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2157521A (en) * 1984-04-14 1985-10-23 Video Interactive Systems Ltd Improvements relating to interface circuits
EP0262241A1 (en) * 1986-10-01 1988-04-06 Cerberus Ag Infra-red intrusion detector
CH667744A5 (en) * 1985-05-24 1988-10-31 Cerberus Ag INFRARED INTRUSION DETECTOR.
US4757204A (en) * 1986-01-28 1988-07-12 Cerberus Ag Ceiling mounted passive infrared intrusion detector with dome shaped lens
DE3616374A1 (en) * 1986-05-15 1987-11-19 Siemens Ag PYRODETECTOR, SUITABLY SUITABLE FOR DETECTING MOTION AND DIRECTIONAL
GB2194041B (en) * 1986-08-13 1990-10-03 Hoover Plc Passive infra red detector unit
US4906976A (en) * 1988-03-18 1990-03-06 Aritech Corporation Infrared detector
EP0354451A3 (en) * 1988-08-11 1992-01-15 Pittway Corporation Intrusion detection system
CH675921A5 (en) * 1988-11-25 1990-11-15 Cerberus Ag
GB2251700B (en) * 1990-11-30 1994-08-24 Combined Optical Ind Ltd Multiple array lens
GB9215757D0 (en) * 1992-07-24 1992-09-09 Bridisco Ltd A pir sensor device
US5442178A (en) * 1994-03-18 1995-08-15 Hubbell Incorporated Cross-over field-of-view composite Fresnel lens for an infrared detection system
DE4426919B4 (en) * 1994-07-29 2006-03-23 Insta Elektro Gmbh Passive infrared motion detector with adjustable detection range
KR0166870B1 (en) * 1995-07-13 1999-03-20 구자홍 Decision apparatus of human's displacement by using ray sensor
US5757004A (en) * 1995-08-11 1998-05-26 Larry C. Y. Lee Motion detector with external range adjustment
US5877499A (en) * 1996-12-02 1999-03-02 Hubbell Incorporation Composite fresnel lens having array of lens segments providing long narrow detection range
US5826957A (en) * 1997-02-25 1998-10-27 Hubbell Incorporated Housing with multiple fixed declination adjustment positions and living hinge connections
EP1847821A1 (en) 2006-04-20 2007-10-24 IQ Group SDN BHD A passive infrared detector with al least one internally adjustable pyro sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1082483A (en) * 1964-09-07 1967-09-06 Radiation Inc Improvements in or relating to relays or repeater devices
GB1246548A (en) * 1969-03-18 1971-09-15 Avimo Ltd An electronic relay
DE2411871C2 (en) * 1974-03-12 1984-09-13 Nixdorf Computer Ag, 4790 Paderborn Circuit arrangement for the floating transmission of signals via isolating points in telecommunications systems
GB1564457A (en) * 1975-06-16 1980-04-10 Cerberus Ag Infrared intrusion detectors
US4275303A (en) * 1979-11-13 1981-06-23 Arrowhead Enterprises, Inc. Passive infrared intrusion detection system

Also Published As

Publication number Publication date
GB2122339B (en) 1986-08-28
GB8420701D0 (en) 1984-09-19
IE821530L (en) 1983-12-25
GB8317194D0 (en) 1983-07-27
GB2146503A (en) 1985-04-17
GB2122339A (en) 1984-01-11

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Legal Events

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

Effective date: 19940624