JPS57142080A - Output level adjusting method for ccd image sensor - Google Patents

Output level adjusting method for ccd image sensor

Info

Publication number
JPS57142080A
JPS57142080A JP56027779A JP2777981A JPS57142080A JP S57142080 A JPS57142080 A JP S57142080A JP 56027779 A JP56027779 A JP 56027779A JP 2777981 A JP2777981 A JP 2777981A JP S57142080 A JPS57142080 A JP S57142080A
Authority
JP
Japan
Prior art keywords
output
sensors
overlappingly
image
pickup
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
JP56027779A
Other languages
Japanese (ja)
Inventor
Seikichi Nakamura
Masahiro Mori
Isao Kondo
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 JP56027779A priority Critical patent/JPS57142080A/en
Publication of JPS57142080A publication Critical patent/JPS57142080A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current

Abstract

PURPOSE:To achieve an excellent reproducing image, by storing an image pickup picture element of a pickup object to a respective CCD line sensor partly overlappingly, and compensating the difference between sensor characteristics through the level adjustment of a video signal outputted from the sensor. CONSTITUTION:A plurality of CCD line sensors C1-C4 are arranged overlappingly with adjacent image pickup devices of the sensors, the same region of objective is overlappingly picked up and a charge having an amount corresponding to an optical image of the same part. This stored charge is sequentially converted into a voltage synchronizing with a clock pulse from a control section S, applied to amplifiers A1-A4 for amplification, and the output is applied to pickup circuits N1-N6. An output picked up from a pair circuit of the circuits N1-N6 is applied to comparators L1-L3, the output is compared with a reference level LN or the value of one circuit N1 or N3, the deviation is applied to gain adjusting terminals I1-I4 of the amplifiers A1-A4 for the adjustment of level of the video signal. The difference of characteristics of the sensors C1-C4 is compensated and excellent reproducing image is outputted.
JP56027779A 1981-02-27 1981-02-27 Output level adjusting method for ccd image sensor Pending JPS57142080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027779A JPS57142080A (en) 1981-02-27 1981-02-27 Output level adjusting method for ccd image sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027779A JPS57142080A (en) 1981-02-27 1981-02-27 Output level adjusting method for ccd image sensor

Publications (1)

Publication Number Publication Date
JPS57142080A true JPS57142080A (en) 1982-09-02

Family

ID=12230453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027779A Pending JPS57142080A (en) 1981-02-27 1981-02-27 Output level adjusting method for ccd image sensor

Country Status (1)

Country Link
JP (1) JPS57142080A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6731271B1 (en) 1999-03-19 2004-05-04 Canon Kabushiki Kaisha Coordinate input device and its control method, and computer readable memory
US6906702B1 (en) 1999-03-19 2005-06-14 Canon Kabushiki Kaisha Coordinate input device and its control method, and computer readable memory
US9167182B2 (en) 2011-09-26 2015-10-20 Semiconductor Components Industries, Llc Charge sensing in image sensors with output channel having multiple-gain output paths

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6731271B1 (en) 1999-03-19 2004-05-04 Canon Kabushiki Kaisha Coordinate input device and its control method, and computer readable memory
US6906702B1 (en) 1999-03-19 2005-06-14 Canon Kabushiki Kaisha Coordinate input device and its control method, and computer readable memory
US9167182B2 (en) 2011-09-26 2015-10-20 Semiconductor Components Industries, Llc Charge sensing in image sensors with output channel having multiple-gain output paths

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