FR2275088A1 - Perfectionnements aux appareils de balayage pour systemes de surveillance - Google Patents

Perfectionnements aux appareils de balayage pour systemes de surveillance

Info

Publication number
FR2275088A1
FR2275088A1 FR7518242A FR7518242A FR2275088A1 FR 2275088 A1 FR2275088 A1 FR 2275088A1 FR 7518242 A FR7518242 A FR 7518242A FR 7518242 A FR7518242 A FR 7518242A FR 2275088 A1 FR2275088 A1 FR 2275088A1
Authority
FR
France
Prior art keywords
surveillance systems
sweeping devices
sweeping
devices
surveillance
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.)
Granted
Application number
FR7518242A
Other languages
English (en)
Other versions
FR2275088B1 (fr
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.)
Hawker Siddeley Dynamics Ltd
Original Assignee
Hawker Siddeley Dynamics 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 Hawker Siddeley Dynamics Ltd filed Critical Hawker Siddeley Dynamics Ltd
Publication of FR2275088A1 publication Critical patent/FR2275088A1/fr
Application granted granted Critical
Publication of FR2275088B1 publication Critical patent/FR2275088B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Picture Signal Circuits (AREA)
  • Measurement Of Radiation (AREA)
  • Amplifiers (AREA)
FR7518242A 1975-05-23 1975-06-11 Perfectionnements aux appareils de balayage pour systemes de surveillance Granted FR2275088A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26234/74A GB1511234A (en) 1975-05-23 1975-05-23 Electronic amplification

Publications (2)

Publication Number Publication Date
FR2275088A1 true FR2275088A1 (fr) 1976-01-09
FR2275088B1 FR2275088B1 (fr) 1979-10-19

Family

ID=10240446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518242A Granted FR2275088A1 (fr) 1975-05-23 1975-06-11 Perfectionnements aux appareils de balayage pour systemes de surveillance

Country Status (5)

Country Link
US (1) US4013889A (fr)
DE (1) DE2526375C3 (fr)
FR (1) FR2275088A1 (fr)
GB (1) GB1511234A (fr)
SE (1) SE404120B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276474A (en) * 1979-10-22 1981-06-30 Hughes Aircraft Company Infrared focal plane with automatic responsivity control using photodetector bias modulation
JPS57116477A (en) * 1981-01-09 1982-07-20 Fuji Xerox Co Ltd Scanning type document reader
US4712010A (en) * 1986-01-30 1987-12-08 Hughes Aircraft Company Radiator scanning with image enhancement and noise reduction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597617A (en) * 1969-07-30 1971-08-03 Barnes Eng Co Infrared thermograph having an automatic brightness control
US3808435A (en) * 1973-05-29 1974-04-30 Texas Instruments Inc Infra-red quantum differential detector system

Also Published As

Publication number Publication date
DE2526375C3 (de) 1980-10-23
SE404120B (sv) 1978-09-18
GB1511234A (en) 1978-05-17
SE7506495L (sv) 1975-12-15
US4013889A (en) 1977-03-22
FR2275088B1 (fr) 1979-10-19
DE2526375B2 (de) 1980-02-28
DE2526375A1 (de) 1976-01-22

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse