JPS53123617A - Correction method for dark current of solid image pickup element - Google Patents

Correction method for dark current of solid image pickup element

Info

Publication number
JPS53123617A
JPS53123617A JP3835777A JP3835777A JPS53123617A JP S53123617 A JPS53123617 A JP S53123617A JP 3835777 A JP3835777 A JP 3835777A JP 3835777 A JP3835777 A JP 3835777A JP S53123617 A JPS53123617 A JP S53123617A
Authority
JP
Japan
Prior art keywords
dark current
image pickup
pickup element
correction method
solid 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
JP3835777A
Inventor
Yoshiaki Kamimoto
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP3835777A priority Critical patent/JPS53123617A/en
Publication of JPS53123617A publication Critical patent/JPS53123617A/en
Application status is Pending legal-status Critical

Links

Abstract

PURPOSE: To obtain good picture signals which are not affected by the ambient temperature, by storing the output, which is obtained by starting scan when the light source is extinguished, and subtracting the stored output from the output, which is obtained by scan after the light source is lighted, and then correcting the dark current.
COPYRIGHT: (C)1978,JPO&Japio
JP3835777A 1977-04-04 1977-04-04 Correction method for dark current of solid image pickup element Pending JPS53123617A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3835777A JPS53123617A (en) 1977-04-04 1977-04-04 Correction method for dark current of solid image pickup element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3835777A JPS53123617A (en) 1977-04-04 1977-04-04 Correction method for dark current of solid image pickup element

Publications (1)

Publication Number Publication Date
JPS53123617A true JPS53123617A (en) 1978-10-28

Family

ID=12523020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3835777A Pending JPS53123617A (en) 1977-04-04 1977-04-04 Correction method for dark current of solid image pickup element

Country Status (1)

Country Link
JP (1) JPS53123617A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132935A (en) * 1980-03-21 1981-10-17 Canon Kk Detector apparatus
JPS56159795A (en) * 1980-05-12 1981-12-09 Tokyo Optical Data reader for storage effect type sensor
JPS59107650A (en) * 1982-12-11 1984-06-21 Anritsu Corp Drift compensating circuit of photoelectric converter
JPS6027272A (en) * 1983-07-25 1985-02-12 Canon Inc Picture information reader
US4551762A (en) * 1984-01-18 1985-11-05 Rca Corporation Dark-current level regulation in solid-state devices
US4553169A (en) * 1982-12-29 1985-11-12 Sony Corporation Clamp circuit for use in video camera having image pick-up device
JPS6171761A (en) * 1984-09-14 1986-04-12 Nec Corp Transmissive reader
US4602291A (en) * 1984-05-09 1986-07-22 Xerox Corporation Pixel non-uniformity correction system
JPH0463058A (en) * 1990-06-30 1992-02-28 Nisca Corp Picture input device
US5119224A (en) * 1989-12-14 1992-06-02 Fiber Options Corporation Apparatus and method for fiber optics communication with dark current correction
US5216511A (en) * 1990-05-25 1993-06-01 Asahi Kogaku Kogyo Kabushiki Kaisha Imaging device with elimination of dark current
US5355164A (en) * 1990-06-25 1994-10-11 Fuji Photo Film Co., Ltd. Method and apparatus of correction image read signals by removing the influence of dark current therefrom

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS629334B2 (en) * 1980-03-21 1987-02-27 Canon Kk
JPS56132935A (en) * 1980-03-21 1981-10-17 Canon Kk Detector apparatus
JPS56159795A (en) * 1980-05-12 1981-12-09 Tokyo Optical Data reader for storage effect type sensor
JPS59107650A (en) * 1982-12-11 1984-06-21 Anritsu Corp Drift compensating circuit of photoelectric converter
US4553169A (en) * 1982-12-29 1985-11-12 Sony Corporation Clamp circuit for use in video camera having image pick-up device
JPS6027272A (en) * 1983-07-25 1985-02-12 Canon Inc Picture information reader
US4551762A (en) * 1984-01-18 1985-11-05 Rca Corporation Dark-current level regulation in solid-state devices
US4602291A (en) * 1984-05-09 1986-07-22 Xerox Corporation Pixel non-uniformity correction system
JPS6171761A (en) * 1984-09-14 1986-04-12 Nec Corp Transmissive reader
US5119224A (en) * 1989-12-14 1992-06-02 Fiber Options Corporation Apparatus and method for fiber optics communication with dark current correction
US5216511A (en) * 1990-05-25 1993-06-01 Asahi Kogaku Kogyo Kabushiki Kaisha Imaging device with elimination of dark current
US5355164A (en) * 1990-06-25 1994-10-11 Fuji Photo Film Co., Ltd. Method and apparatus of correction image read signals by removing the influence of dark current therefrom
JPH0463058A (en) * 1990-06-30 1992-02-28 Nisca Corp Picture input device

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