JPS57111183A - Solid-state image pickup device - Google Patents

Solid-state image pickup device

Info

Publication number
JPS57111183A
JPS57111183A JP55186617A JP18661780A JPS57111183A JP S57111183 A JPS57111183 A JP S57111183A JP 55186617 A JP55186617 A JP 55186617A JP 18661780 A JP18661780 A JP 18661780A JP S57111183 A JPS57111183 A JP S57111183A
Authority
JP
Japan
Prior art keywords
charge
vertical
switch element
diode
occurrence
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
JP55186617A
Other languages
Japanese (ja)
Inventor
Takuya Imaide
Michio Masuda
Hiroaki Nabeyama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55186617A priority Critical patent/JPS57111183A/en
Publication of JPS57111183A publication Critical patent/JPS57111183A/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
    • H04N25/62—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels
    • H04N25/625—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels for the control of smear

Abstract

PURPOSE:To satisfactorily reduce the occurrence of a vertical smear and to realize the reproduction of a high-quality picture, by clearing the part of the divided vertical signal line at a certain level of potential in prior to the reading of the signal charge given from each diode and then shifting the read charge to another part for isolation. CONSTITUTION:The area between a vertical signal line 4 and a horizontal switch element 7 is divided by the 1st MOS switch element 40, and the effect of the charge leaked out of a photodiode 3 via a storage capacitor 29 is prevented at a signal holding part 42. A video bias Vv is supplied to the part 42 through the 2nd MOS switch element 41, and a pulse phi3 is applied to the part 42 via a coupling capacitor 43. When a pulse phi1 for supply of the video bias has a rise, the potentials are reset for the line 4 and the part 42 respectively to clear the vertical smear charge. After this, a vertical switch element 6 is turned on, and the charge of the diode 3 is shifted to the potential of the part 42 to reduce the occurrence of the vertical smear. Thus a picture is reproduced with high quality.
JP55186617A 1980-12-27 1980-12-27 Solid-state image pickup device Pending JPS57111183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55186617A JPS57111183A (en) 1980-12-27 1980-12-27 Solid-state image pickup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55186617A JPS57111183A (en) 1980-12-27 1980-12-27 Solid-state image pickup device

Publications (1)

Publication Number Publication Date
JPS57111183A true JPS57111183A (en) 1982-07-10

Family

ID=16191707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55186617A Pending JPS57111183A (en) 1980-12-27 1980-12-27 Solid-state image pickup device

Country Status (1)

Country Link
JP (1) JPS57111183A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57140078A (en) * 1981-02-23 1982-08-30 Nec Corp Driving method for solid-state image pickup device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57140078A (en) * 1981-02-23 1982-08-30 Nec Corp Driving method for solid-state image pickup device
JPH038152B2 (en) * 1981-02-23 1991-02-05 Nippon Electric Co

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