JPH02190087A - Solid-state image pickup device - Google Patents

Solid-state image pickup device

Info

Publication number
JPH02190087A
JPH02190087A JP899589A JP958989A JPH02190087A JP H02190087 A JPH02190087 A JP H02190087A JP 899589 A JP899589 A JP 899589A JP 958989 A JP958989 A JP 958989A JP H02190087 A JPH02190087 A JP H02190087A
Authority
JP
Japan
Prior art keywords
image pickup
solid
state image
circuit
output
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
JP899589A
Other languages
Japanese (ja)
Inventor
Junichi Ando
Yukio Endo
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP899589A priority Critical patent/JPH02190087A/en
Publication of JPH02190087A publication Critical patent/JPH02190087A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To ensure clamping of a black level and to obtain an excellent image pickup signal without decreasing the time constant of a clamp circuit by applying temperature control of a solid-state image pickup element based on an output of an optical black region.
CONSTITUTION: The solid-state image pickup device is provided with a temperature control element 2 such as a Peltier element controlling the temperature of a solid-state image pickup element 1 and a sample-and-hold circuit 12 extracting an output signal at the optical black region of the solid-state image pickup element 1. Moreover, the device is provided with a control circuit 13 comparing an output voltage of the sample-and-hold circuit 12, a drive circuit 15 driving the temperature control element so as to make the output voltage of the sample-and-hold circuit 12 equal to the reference voltage based on the comparison output. Thus, the clamping of the black level is ensured without decreasing the time constant of the clamp circuit and an excellent image pickup signal is obtained.
COPYRIGHT: (C)1990,JPO&Japio
JP899589A 1989-01-18 1989-01-18 Solid-state image pickup device Pending JPH02190087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP899589A JPH02190087A (en) 1989-01-18 1989-01-18 Solid-state image pickup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP899589A JPH02190087A (en) 1989-01-18 1989-01-18 Solid-state image pickup device

Publications (1)

Publication Number Publication Date
JPH02190087A true JPH02190087A (en) 1990-07-26

Family

ID=11724514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP899589A Pending JPH02190087A (en) 1989-01-18 1989-01-18 Solid-state image pickup device

Country Status (1)

Country Link
JP (1) JPH02190087A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005071948A1 (en) * 2003-07-28 2005-08-04 Raytheon Company Digital video thermal electric controller loop utilizing video reference pixels on focal plane arrays
JP2008283440A (en) * 2007-05-10 2008-11-20 Casio Comput Co Ltd Imaging apparatus, and biopolymer analysis chip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005071948A1 (en) * 2003-07-28 2005-08-04 Raytheon Company Digital video thermal electric controller loop utilizing video reference pixels on focal plane arrays
JP2008283440A (en) * 2007-05-10 2008-11-20 Casio Comput Co Ltd Imaging apparatus, and biopolymer analysis chip

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