JPS5596767A - Output signal drop-out compensation circuit of solid image pickup element - Google Patents

Output signal drop-out compensation circuit of solid image pickup element

Info

Publication number
JPS5596767A
JPS5596767A JP290779A JP290779A JPS5596767A JP S5596767 A JPS5596767 A JP S5596767A JP 290779 A JP290779 A JP 290779A JP 290779 A JP290779 A JP 290779A JP S5596767 A JPS5596767 A JP S5596767A
Authority
JP
Japan
Prior art keywords
signal
image pickup
output signal
solid image
pickup element
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
JP290779A
Other languages
Japanese (ja)
Inventor
Shigenori Iwakuma
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP290779A priority Critical patent/JPS5596767A/en
Publication of JPS5596767A publication Critical patent/JPS5596767A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To obtain a circuit which can compensate drop-out of the output signal of a solid image pickup element with a comparatively cheap and small-size circuit constitution by providing a charge transfer element, which delays the output signal by a prescribed time, in the output side of the solid image pickup element.
CONSTITUTION: The output electric signal from solid image pickup element 1 which converts spatial optical information of an object to a time series electric signal and outputs this time series electric signal is delayed by one horizontal scanning period by charge transfer element 7 and is supplied to sample hold circuit 9. In case of a large level difference between the input signal and the output signal of charge transfer element 7, the output signal of charge transfer element 7 just before occurrence of this level difference is held by sample hold circuit 9 on a basis of the signal, which is obtained by detecting this level difference by 11, until the level difference becomes zero approximately, and a desired video signal with drop-out of the signal compensated is outputted from sample hold circuit 9.
COPYRIGHT: (C)1980,JPO&Japio
JP290779A 1979-01-17 1979-01-17 Output signal drop-out compensation circuit of solid image pickup element Pending JPS5596767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP290779A JPS5596767A (en) 1979-01-17 1979-01-17 Output signal drop-out compensation circuit of solid image pickup element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP290779A JPS5596767A (en) 1979-01-17 1979-01-17 Output signal drop-out compensation circuit of solid image pickup element

Publications (1)

Publication Number Publication Date
JPS5596767A true JPS5596767A (en) 1980-07-23

Family

ID=11542421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP290779A Pending JPS5596767A (en) 1979-01-17 1979-01-17 Output signal drop-out compensation circuit of solid image pickup element

Country Status (1)

Country Link
JP (1) JPS5596767A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5879384A (en) * 1981-08-14 1983-05-13 テキサス・インスツルメンツ・インコ−ポレイテツド System and method of compensating video output of ccd image pickup device
JPS60220673A (en) * 1984-04-18 1985-11-05 Advanced Electron Kk Error correcting system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5879384A (en) * 1981-08-14 1983-05-13 テキサス・インスツルメンツ・インコ−ポレイテツド System and method of compensating video output of ccd image pickup device
JPS60220673A (en) * 1984-04-18 1985-11-05 Advanced Electron Kk Error correcting system

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