JPS6478081A - Television camera device - Google Patents

Television camera device

Info

Publication number
JPS6478081A
JPS6478081A JP62235166A JP23516687A JPS6478081A JP S6478081 A JPS6478081 A JP S6478081A JP 62235166 A JP62235166 A JP 62235166A JP 23516687 A JP23516687 A JP 23516687A JP S6478081 A JPS6478081 A JP S6478081A
Authority
JP
Japan
Prior art keywords
electric charge
solid
image pickup
signal
state image
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
JP62235166A
Other languages
Japanese (ja)
Inventor
Satoru Masuda
Toshihisa Kuroda
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 JP62235166A priority Critical patent/JPS6478081A/en
Publication of JPS6478081A publication Critical patent/JPS6478081A/en
Pending legal-status Critical Current

Links

Landscapes

  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

PURPOSE:To sufficiently enable electric charge to be accumulated even in a dark place and to improve sensitivity by reading out the electric charge from a solid-state image pickup element at a time interval with a period of integer times the field or the frame period. CONSTITUTION:A control circuit 4 which outputs a signal to read out the electric charge from the solid-state image pickup element 1 in synchronism with a field signal or a frame signal in a synchronizing signal generation circuit 3 at a ratio of one time per every period of integer times the field or frame period is provided, and the electric charge is read out from the solid-state image pickup clement 1, respectively based on the output of the control circuit 4. Therefore, a timing to read out the electric charge is generated at a ratio of one time per two or more fields or two or more frames, thereby, a time to accumulate the electric charge in the solid-state image pickup element is extended, and a signal of high level can be outputted. In such a way, it is possible to pick up an image even at a comparatively dark place with high sensitivity.
JP62235166A 1987-09-18 1987-09-18 Television camera device Pending JPS6478081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62235166A JPS6478081A (en) 1987-09-18 1987-09-18 Television camera device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62235166A JPS6478081A (en) 1987-09-18 1987-09-18 Television camera device

Publications (1)

Publication Number Publication Date
JPS6478081A true JPS6478081A (en) 1989-03-23

Family

ID=16982035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62235166A Pending JPS6478081A (en) 1987-09-18 1987-09-18 Television camera device

Country Status (1)

Country Link
JP (1) JPS6478081A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005091624A1 (en) * 2004-03-17 2005-09-29 Fujitsu Limited Automatic gain control circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005091624A1 (en) * 2004-03-17 2005-09-29 Fujitsu Limited Automatic gain control circuit
CN100438581C (en) * 2004-03-17 2008-11-26 富士通微电子株式会社 Automatic gain control circuit
US7626616B2 (en) 2004-03-17 2009-12-01 Fujitsu Microelectronics Limited Automatic gain control circuit with exposure control circuit

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