GB2223571B - Improvements in or relating to pyroelectric detectors - Google Patents

Improvements in or relating to pyroelectric detectors

Info

Publication number
GB2223571B
GB2223571B GB8822693A GB8822693A GB2223571B GB 2223571 B GB2223571 B GB 2223571B GB 8822693 A GB8822693 A GB 8822693A GB 8822693 A GB8822693 A GB 8822693A GB 2223571 B GB2223571 B GB 2223571B
Authority
GB
United Kingdom
Prior art keywords
relating
pyroelectric detectors
pyroelectric
detectors
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
GB8822693A
Other versions
GB2223571A (en
GB8822693D0 (en
Inventor
Christopher Carter
Stephen George Porter
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.)
Plessey Co Ltd
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Plessey Co Ltd
Marconi Co 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 GEC Marconi Ltd, Plessey Co Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB8822693A priority Critical patent/GB2223571B/en
Publication of GB8822693D0 publication Critical patent/GB8822693D0/en
Priority to PCT/GB1989/001111 priority patent/WO1990003556A1/en
Priority to EP89910879A priority patent/EP0419583A1/en
Priority to JP1510010A priority patent/JPH03502735A/en
Publication of GB2223571A publication Critical patent/GB2223571A/en
Application granted granted Critical
Publication of GB2223571B publication Critical patent/GB2223571B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/003—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using pyroelectric elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • G01J5/20—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
    • G01J5/22—Electrical features thereof
    • G01J5/24—Use of specially adapted circuits, e.g. bridge circuits
GB8822693A 1988-09-28 1988-09-28 Improvements in or relating to pyroelectric detectors Expired - Lifetime GB2223571B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8822693A GB2223571B (en) 1988-09-28 1988-09-28 Improvements in or relating to pyroelectric detectors
PCT/GB1989/001111 WO1990003556A1 (en) 1988-09-28 1989-09-21 Improvements in and relating to pyroelectric detectors
EP89910879A EP0419583A1 (en) 1988-09-28 1989-09-21 Improvements in and relating to pyroelectric detectors
JP1510010A JPH03502735A (en) 1988-09-28 1989-09-21 Improvements regarding pyroelectric detectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8822693A GB2223571B (en) 1988-09-28 1988-09-28 Improvements in or relating to pyroelectric detectors

Publications (3)

Publication Number Publication Date
GB8822693D0 GB8822693D0 (en) 1989-03-30
GB2223571A GB2223571A (en) 1990-04-11
GB2223571B true GB2223571B (en) 1992-09-02

Family

ID=10644336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8822693A Expired - Lifetime GB2223571B (en) 1988-09-28 1988-09-28 Improvements in or relating to pyroelectric detectors

Country Status (4)

Country Link
EP (1) EP0419583A1 (en)
JP (1) JPH03502735A (en)
GB (1) GB2223571B (en)
WO (1) WO1990003556A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007103546A2 (en) 2006-03-08 2007-09-13 Wispry, Inc. Micro-electro-mechanical system (mems) variable capacitors and actuation components and related methods

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032783A (en) * 1975-06-09 1977-06-28 Hughes Aircraft Company Pyroelectric radiation sensor and imaging device utilizing same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453887A (en) * 1967-02-08 1969-07-08 Corning Glass Works Temperature change measuring device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032783A (en) * 1975-06-09 1977-06-28 Hughes Aircraft Company Pyroelectric radiation sensor and imaging device utilizing same

Also Published As

Publication number Publication date
WO1990003556A1 (en) 1990-04-05
EP0419583A1 (en) 1991-04-03
JPH03502735A (en) 1991-06-20
GB2223571A (en) 1990-04-11
GB8822693D0 (en) 1989-03-30

Similar Documents

Publication Publication Date Title
GB9014015D0 (en) Improvements in or relating to smoke detectors
GB2225976B (en) Improvement in or relating to marking-out
EP0510856A3 (en) Improvements in or relating to optical gas detectors
EP0344985A3 (en) Improvements in or relating to radiation sensitive devices
GB2275337B (en) Improvements in or relating to seismic detectors
DE3473926D1 (en) Improvements in pyroelectric detectors
AP8900146A0 (en) Improvements in and relating to sensors
GB2217360B (en) Improvements in or relating to lintels
GB8920837D0 (en) Improvements in or relating to sensor devices
GB2173947B (en) Improvement in or relating to pyroelectric detectors
GB2206211B (en) Improvements in or relating to sensors
GB2223571B (en) Improvements in or relating to pyroelectric detectors
GB8805504D0 (en) Improvements in/relating to burglar alarms
GB8928645D0 (en) Improvements in or relating to push buttons
GB8915529D0 (en) Improvements in and relating to sensors
GB8817152D0 (en) Improvements in & relating to displacement sensors
GB2282501B (en) Improvements in or relating to signal detectors
GB8801968D0 (en) Improvements in & relating to detection devices
GB8816970D0 (en) Improvements in/relating to smoke detectors
GB2218063B (en) Improvements in or relating to security arrangements
GB2207684B (en) Improvements in or relating to radiation detectors
GB8817154D0 (en) Improvements in & relating to displacement sensors
GB2238547B (en) Improvements in or relating to thermally resistant materials
GB8820074D0 (en) Improvements in radiometric analysis
GB2328575B (en) Improvements in or relating to range detection

Legal Events

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

Effective date: 19940928