JPS6439880A - Photoelectric converting device - Google Patents

Photoelectric converting device

Info

Publication number
JPS6439880A
JPS6439880A JP62194525A JP19452587A JPS6439880A JP S6439880 A JPS6439880 A JP S6439880A JP 62194525 A JP62194525 A JP 62194525A JP 19452587 A JP19452587 A JP 19452587A JP S6439880 A JPS6439880 A JP S6439880A
Authority
JP
Japan
Prior art keywords
signal
capacitor
accumulated
photoelectric converting
reading
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.)
Granted
Application number
JP62194525A
Other languages
Japanese (ja)
Other versions
JP2669462B2 (en
Inventor
Tadanori Harada
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP62194525A priority Critical patent/JP2669462B2/en
Priority to EP88307046A priority patent/EP0302675B1/en
Priority to DE3889603T priority patent/DE3889603T2/en
Priority to US07/226,385 priority patent/US4910597A/en
Publication of JPS6439880A publication Critical patent/JPS6439880A/en
Application granted granted Critical
Publication of JP2669462B2 publication Critical patent/JP2669462B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Solid State Image Pick-Up Elements (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

PURPOSE:To remove the dark signal of a photo-electric converting element or the unnecessary component of a driving noise, etc., from a reading signal by controlling of a connecting reletion between a first capacitor to accumulate the reading signal of a photoelectric converting cell and a second capacitor to accumulate a remaining signal after a refresh. CONSTITUTION:The reading signals of respective photoelectric converting cells S are accumulated to respective capacitors C1 and C2 and continuously, the capacitor C2 is cleared. The respective photoelectric converting cells are refreshed and the remaining signals of the respective photoelectric converting cells after the refreshing are accumulated to the respective capacitors C2. After that, a pulse phih1 is impressed to the gate electrode of a transistor Qh and by the connecting condition of the capacitors C1 and C2 a signal, in which the remaining signal accumulated in the capacitor C2 is subtracted from the reading signal of the photo-electric converting cell S accumulated in the capacitor C1, is realized to an output line HL as an information signal and outputted through an amplifier 2 as an output signal Sout. Thus, the dark signal of the photo-electric converting element or the unnecessary component of the driving noise, etc., can be removed from the reading signal.
JP62194525A 1987-08-05 1987-08-05 Photoelectric conversion device Expired - Fee Related JP2669462B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62194525A JP2669462B2 (en) 1987-08-05 1987-08-05 Photoelectric conversion device
EP88307046A EP0302675B1 (en) 1987-08-05 1988-07-29 Photoelectric converting apparatus
DE3889603T DE3889603T2 (en) 1987-08-05 1988-07-29 Photoelectric conversion device.
US07/226,385 US4910597A (en) 1987-08-05 1988-08-01 Photoelectric converting apparatus accumulating a readout signal and a remaining signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62194525A JP2669462B2 (en) 1987-08-05 1987-08-05 Photoelectric conversion device

Publications (2)

Publication Number Publication Date
JPS6439880A true JPS6439880A (en) 1989-02-10
JP2669462B2 JP2669462B2 (en) 1997-10-27

Family

ID=16325981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62194525A Expired - Fee Related JP2669462B2 (en) 1987-08-05 1987-08-05 Photoelectric conversion device

Country Status (1)

Country Link
JP (1) JP2669462B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997039486A1 (en) * 1996-04-15 1997-10-23 Rohm Co., Ltd. Image sensor chip, method for manufacturing the same, and image sensor
KR20020047432A (en) * 2000-12-13 2002-06-22 구본준, 론 위라하디락사 Optical sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62115865A (en) * 1985-11-15 1987-05-27 Canon Inc Photoelectric converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62115865A (en) * 1985-11-15 1987-05-27 Canon Inc Photoelectric converter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997039486A1 (en) * 1996-04-15 1997-10-23 Rohm Co., Ltd. Image sensor chip, method for manufacturing the same, and image sensor
US6169279B1 (en) 1996-04-15 2001-01-02 Rohm Co., Ltd. Image sensor chip, method for manufacturing the same, and image sensor therefor
US6468827B1 (en) 1996-04-15 2002-10-22 Hisayoshi Fujimoto Method for manufacturing image sensor chips
KR20020047432A (en) * 2000-12-13 2002-06-22 구본준, 론 위라하디락사 Optical sensor

Also Published As

Publication number Publication date
JP2669462B2 (en) 1997-10-27

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Legal Events

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