JPS5664570A - Signal process system for infrared-ray image pickup device - Google Patents

Signal process system for infrared-ray image pickup device

Info

Publication number
JPS5664570A
JPS5664570A JP14091879A JP14091879A JPS5664570A JP S5664570 A JPS5664570 A JP S5664570A JP 14091879 A JP14091879 A JP 14091879A JP 14091879 A JP14091879 A JP 14091879A JP S5664570 A JPS5664570 A JP S5664570A
Authority
JP
Japan
Prior art keywords
defective
infrared
image pickup
flip
pickup device
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.)
Pending
Application number
JP14091879A
Other languages
Japanese (ja)
Inventor
Tomoshi Ueda
Hiroshi Takigawa
Shoji Doi
Soichi Imai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP14091879A priority Critical patent/JPS5664570A/en
Publication of JPS5664570A publication Critical patent/JPS5664570A/en
Pending 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)
  • Picture Signal Circuits (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

PURPOSE:To prevent the lowering of the quality for a reproduced picture, by holding temporarily the electric charge generated at the detection element preceding the defective detection element and then using this charge in place of the signal caused by the defective element having a defective action. CONSTITUTION:The address corresponding to the defective element number is supplied previously into the read-only memory means in the compensating circuit 40. In case this address designation is carried out by the address counter 15, the output voltage supplied from the memory means 14 is switched to a low level from a high level. As a result, the transfer action of the D flip-flop group 11 is discontinued, and the 1-picture element preceding output is held at the flip-flop 11 to then emerge at the output via the D/A converter 7 and the amplifier 8.
JP14091879A 1979-10-30 1979-10-30 Signal process system for infrared-ray image pickup device Pending JPS5664570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14091879A JPS5664570A (en) 1979-10-30 1979-10-30 Signal process system for infrared-ray image pickup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14091879A JPS5664570A (en) 1979-10-30 1979-10-30 Signal process system for infrared-ray image pickup device

Publications (1)

Publication Number Publication Date
JPS5664570A true JPS5664570A (en) 1981-06-01

Family

ID=15279838

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14091879A Pending JPS5664570A (en) 1979-10-30 1979-10-30 Signal process system for infrared-ray image pickup device

Country Status (1)

Country Link
JP (1) JPS5664570A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6478076A (en) * 1987-09-18 1989-03-23 Matsushita Electric Ind Co Ltd Signal correcting circuit
EP0613185A1 (en) * 1993-02-25 1994-08-31 Nec Corporation Infrared imaging device and infrared imaging system using the same
US5532484A (en) * 1994-09-09 1996-07-02 Texas Instruments Incorporated Defective pixel signal substitution in thermal imaging systems

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6478076A (en) * 1987-09-18 1989-03-23 Matsushita Electric Ind Co Ltd Signal correcting circuit
EP0613185A1 (en) * 1993-02-25 1994-08-31 Nec Corporation Infrared imaging device and infrared imaging system using the same
US5594248A (en) * 1993-02-25 1997-01-14 Nec Corporation Infrared imaging device and infrared imaging system using same
US5532484A (en) * 1994-09-09 1996-07-02 Texas Instruments Incorporated Defective pixel signal substitution in thermal imaging systems

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