DE3412861A1 - Rauscharme schwarzpegelbezugsschaltung fuer bildaufnahmeeinrichtungen - Google Patents

Rauscharme schwarzpegelbezugsschaltung fuer bildaufnahmeeinrichtungen

Info

Publication number
DE3412861A1
DE3412861A1 DE19843412861 DE3412861A DE3412861A1 DE 3412861 A1 DE3412861 A1 DE 3412861A1 DE 19843412861 DE19843412861 DE 19843412861 DE 3412861 A DE3412861 A DE 3412861A DE 3412861 A1 DE3412861 A1 DE 3412861A1
Authority
DE
Germany
Prior art keywords
line
during
circuit
signal
clamping
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
DE19843412861
Other languages
German (de)
English (en)
Other versions
DE3412861C2 (cg-RX-API-DMAC10.html
Inventor
Peter Alan Trenton N.J. Levine
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of DE3412861A1 publication Critical patent/DE3412861A1/de
Application granted granted Critical
Publication of DE3412861C2 publication Critical patent/DE3412861C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • 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
    • H04N25/628—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 reducing horizontal stripes caused by saturated regions of CMOS sensors
    • 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
    • H04N25/616—Noise processing, e.g. detecting, correcting, reducing or removing noise involving a correlated sampling function, e.g. correlated double sampling [CDS] or triple sampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Picture Signal Circuits (AREA)
DE19843412861 1983-04-07 1984-04-05 Rauscharme schwarzpegelbezugsschaltung fuer bildaufnahmeeinrichtungen Granted DE3412861A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/482,855 US4549215A (en) 1983-04-07 1983-04-07 Low noise black level reference for CCD imagers

Publications (2)

Publication Number Publication Date
DE3412861A1 true DE3412861A1 (de) 1984-10-11
DE3412861C2 DE3412861C2 (cg-RX-API-DMAC10.html) 1992-07-09

Family

ID=23917712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843412861 Granted DE3412861A1 (de) 1983-04-07 1984-04-05 Rauscharme schwarzpegelbezugsschaltung fuer bildaufnahmeeinrichtungen

Country Status (6)

Country Link
US (1) US4549215A (cg-RX-API-DMAC10.html)
JP (1) JPS59200586A (cg-RX-API-DMAC10.html)
KR (1) KR920001851B1 (cg-RX-API-DMAC10.html)
DE (1) DE3412861A1 (cg-RX-API-DMAC10.html)
FR (1) FR2544148B1 (cg-RX-API-DMAC10.html)
GB (1) GB2137850B (cg-RX-API-DMAC10.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416058A1 (de) * 1983-04-28 1984-10-31 Canon K.K., Tokio/Tokyo Bildaufnahmeeinrichtung
DE3444737A1 (de) * 1984-12-07 1986-06-12 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur stoerunterdrueckung bei einer getasteten video-klemmschaltung
DE3545376A1 (de) * 1984-12-21 1986-07-10 Rca Corp., Princeton, N.J. Anordnung zur unterdrueckung vollbildfrequenten flimmerns bei ccd-bildwandlern mit teilbildverflechtung
DE3600253A1 (de) * 1985-01-14 1986-07-17 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Festkoerper-bildsensor

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6086981A (ja) * 1983-10-18 1985-05-16 Toshiba Corp 固体撮像装置
US4719512A (en) * 1983-10-18 1988-01-12 Kabushiki Kaisha Toshiba Noise cancelling image sensor
JPS60210070A (ja) * 1984-04-03 1985-10-22 Hitachi Ltd ビデオカメラ
JPS6190574A (ja) * 1984-10-11 1986-05-08 Canon Inc 撮像装置
US4656503A (en) * 1985-08-27 1987-04-07 Texas Instruments Incorporated Color CCD imager with minimal clock lines
CA1263484A (en) * 1985-10-01 1989-11-28 Werner Hinn Video signal blanking interval signal conditioning circuit
NL8502860A (nl) * 1985-10-21 1987-05-18 Philips Nv Besturingswerkwijze voor een geintegreerd circuit uitgevoerd met een gemeenschappelijke schakelelektrode voor ten minste twee tegengesteld schakelbare transistoren, en daartoe geschikte inrichting.
JPH0693765B2 (ja) * 1985-11-06 1994-11-16 キヤノン株式会社 撮像装置
US4686574A (en) * 1986-04-04 1987-08-11 Rca Corporation Line-sequential read out of a phototsensor array via a CCD shift register clocked at a multiple of pixel scan rate
US4802011A (en) * 1986-06-24 1989-01-31 U.S. Philips Corp. Picture pick-up device with an image sensor in the form of a charge transfer device
JP2563785B2 (ja) * 1987-01-19 1996-12-18 キヤノン株式会社 固体撮像装置
JPH01106677A (ja) * 1987-10-20 1989-04-24 Sony Corp 電荷転送素子の出力回路
FR2631504A1 (fr) * 1988-05-10 1989-11-17 Thomson Video Equip Circuit de traitement du signal de sortie d'une retine a transfert de charges
US5086344A (en) * 1990-05-11 1992-02-04 Eastman Kodak Company Digital correlated double sampling circuit for sampling the output of an image sensor
KR950005593B1 (ko) * 1991-04-15 1995-05-27 미쯔비시덴끼 가부시끼가이샤 이미지 센서용 ic
US5426515A (en) * 1992-06-01 1995-06-20 Eastman Kodak Company Lateral overflow gate driver circuit for linear CCD sensor
US5329312A (en) * 1992-08-17 1994-07-12 Eastman Kodak Company DC level control circuitry for CCD images
US5235412A (en) * 1992-08-17 1993-08-10 Eastman Kodak Company Electronic color imaging system and analog signal processor therefor
US5926217A (en) * 1993-07-27 1999-07-20 Drs Technologies, Inc. Focal plane array integrated circuit with individual pixel signal processing
US5475427A (en) * 1994-05-25 1995-12-12 Eastman Kodak Company Video signal noise suppression circuit
US5471244A (en) * 1994-05-31 1995-11-28 3M Company Automatic dark level zeroing for an analog video signal
USH1616H (en) * 1994-05-31 1996-12-03 Minnesota Mining And Manufacturing Company Web inspection system having enhanced video signal preprocessing
US5684609A (en) * 1996-02-05 1997-11-04 Eastman Kodak Company D.C. offset restoration for image scanners
US5946033A (en) * 1996-05-28 1999-08-31 Gatan, Inc. Method and apparatus for multiple read-out speeds for a CTD
US5920345A (en) * 1997-06-02 1999-07-06 Sarnoff Corporation CMOS image sensor with improved fill factor
US6421085B1 (en) 1998-04-14 2002-07-16 Eastman Kodak Company High speed CMOS imager column CDS circuit
JP4960579B2 (ja) * 2002-02-19 2012-06-27 コピン・コーポレーシヨン 液晶デイスプレーパネル、液晶デイスプレーシステム、および直流回復のための集積されたスイッチを用いた液晶デイスプレーを駆動する方法
US7236203B1 (en) * 2004-04-22 2007-06-26 National Semiconductor Corporation Video circuitry for controlling signal gain and reference black level

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5456717A (en) * 1977-10-15 1979-05-08 Toshiba Corp Solid state pickup device
JPS6033346B2 (ja) * 1979-07-02 1985-08-02 株式会社日立製作所 固体撮像装置
JPS57184376A (en) * 1981-05-09 1982-11-13 Sony Corp Signal output circuit of image pickup device
US4466018A (en) * 1981-05-09 1984-08-14 Sony Corporation Image pickup apparatus with gain controlled output amplifier
JPS57194677A (en) * 1981-05-27 1982-11-30 Nec Corp Signal processing circuit of solid state image pickup device
US4435730A (en) * 1982-03-08 1984-03-06 Rca Corporation Low noise CCD output
US4496982A (en) * 1982-05-27 1985-01-29 Rca Corporation Compensation against field shading in video from field-transfer CCD imagers
US4499497A (en) * 1982-12-27 1985-02-12 Rca Corporation CCD Imager with improved low light level response

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Valvo: Technische Berichte, 820416, 1982, S.1-16 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416058A1 (de) * 1983-04-28 1984-10-31 Canon K.K., Tokio/Tokyo Bildaufnahmeeinrichtung
DE3444737A1 (de) * 1984-12-07 1986-06-12 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur stoerunterdrueckung bei einer getasteten video-klemmschaltung
DE3545376A1 (de) * 1984-12-21 1986-07-10 Rca Corp., Princeton, N.J. Anordnung zur unterdrueckung vollbildfrequenten flimmerns bei ccd-bildwandlern mit teilbildverflechtung
DE3600253A1 (de) * 1985-01-14 1986-07-17 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Festkoerper-bildsensor
US4680637A (en) * 1985-01-14 1987-07-14 Kabushiki Kaisha Toshiba CCD area sensor with low signal level variation

Also Published As

Publication number Publication date
JPS59200586A (ja) 1984-11-13
DE3412861C2 (cg-RX-API-DMAC10.html) 1992-07-09
GB2137850A (en) 1984-10-10
GB2137850B (en) 1986-10-01
FR2544148A1 (fr) 1984-10-12
KR840008566A (ko) 1984-12-15
JPH0439833B2 (cg-RX-API-DMAC10.html) 1992-06-30
GB8408970D0 (en) 1984-05-16
KR920001851B1 (en) 1992-03-05
FR2544148B1 (fr) 1989-04-28
US4549215A (en) 1985-10-22

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition