JPS5787286A - Pyroelectric camera device - Google Patents

Pyroelectric camera device

Info

Publication number
JPS5787286A
JPS5787286A JP55163644A JP16364480A JPS5787286A JP S5787286 A JPS5787286 A JP S5787286A JP 55163644 A JP55163644 A JP 55163644A JP 16364480 A JP16364480 A JP 16364480A JP S5787286 A JPS5787286 A JP S5787286A
Authority
JP
Japan
Prior art keywords
signal
photochopper
chopper
break
amplifier
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
JP55163644A
Other languages
Japanese (ja)
Other versions
JPS6059783B2 (en
Inventor
Akio Teranishi
Motoi Oba
Kenichi Takahashi
Eizo Yamaga
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP55163644A priority Critical patent/JPS6059783B2/en
Publication of JPS5787286A publication Critical patent/JPS5787286A/en
Publication of JPS6059783B2 publication Critical patent/JPS6059783B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

PURPOSE:To detect a level variation of a picture signal by a chopper keying signal, and to correct its variation automatically, by mixing a signal which has discriminated make and break of a photochopper placed on an incident optical path of a pyroelectric image pickup device, and a vertical or horizontal fly-back line signal obtained from the image pickup device. CONSTITUTION:Infrared rays radiated from an object to be photographed 1 are made to form an image on a pyroelectric vidicon target 11 of a pyroelectric vidicon 3 through an infrared lens 2 and a photochopper 8, and are converted to an electric signal. This signal is amplified by a pre-amplifier 4 and a process amplifier 5, and is sent out as a standard TV signal. Also, horizontal and vertical synchronizing signals are generated by a timing circuit 6, also a photochopper driving circuit 9 for driving the chopper 8, synchronizing with the vertical synchronizing signal is operated, whether the chopper 8 is make or break is discriminated by a photochopper make and break discriminating circuit 7, and a photochopper keying signal is generated by the circuit 6. This keying signal and a picture signal from the amplifier 5 are mixed by a mixer 10, and a level variation of the picture signal is corrected automatically.
JP55163644A 1980-11-19 1980-11-19 Pyroelectric camera device Expired JPS6059783B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55163644A JPS6059783B2 (en) 1980-11-19 1980-11-19 Pyroelectric camera device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55163644A JPS6059783B2 (en) 1980-11-19 1980-11-19 Pyroelectric camera device

Publications (2)

Publication Number Publication Date
JPS5787286A true JPS5787286A (en) 1982-05-31
JPS6059783B2 JPS6059783B2 (en) 1985-12-26

Family

ID=15777858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55163644A Expired JPS6059783B2 (en) 1980-11-19 1980-11-19 Pyroelectric camera device

Country Status (1)

Country Link
JP (1) JPS6059783B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114302075A (en) * 2021-12-20 2022-04-08 重庆理工大学 Pyroelectric type IRFPA image acquisition method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114302075A (en) * 2021-12-20 2022-04-08 重庆理工大学 Pyroelectric type IRFPA image acquisition method

Also Published As

Publication number Publication date
JPS6059783B2 (en) 1985-12-26

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