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DK159235C - DARK FLOW COMPENSATION FOR CCD UNIT - Google Patents

DARK FLOW COMPENSATION FOR CCD UNIT

Info

Publication number
DK159235C
DK159235C DK185188A DK185188A DK159235C DK 159235 C DK159235 C DK 159235C DK 185188 A DK185188 A DK 185188A DK 185188 A DK185188 A DK 185188A DK 159235 C DK159235 C DK 159235C
Authority
DK
Denmark
Prior art keywords
ccd unit
flow compensation
dark flow
dark
compensation
Prior art date
Application number
DK185188A
Other languages
Danish (da)
Other versions
DK185188D0 (en
DK159235B (en
DK185188A (en
Inventor
Bjarne Engmann Jensen
Original Assignee
Oce Helioprint As
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 Oce Helioprint As filed Critical Oce Helioprint As
Priority to DK185188A priority Critical patent/DK159235C/en
Publication of DK185188D0 publication Critical patent/DK185188D0/en
Priority to JP1504085A priority patent/JPH03503703A/en
Priority to PCT/DK1989/000076 priority patent/WO1989010037A1/en
Priority to EP19890904532 priority patent/EP0400092A1/en
Publication of DK185188A publication Critical patent/DK185188A/en
Publication of DK159235B publication Critical patent/DK159235B/en
Application granted granted Critical
Publication of DK159235C publication Critical patent/DK159235C/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Analogue/Digital Conversion (AREA)
DK185188A 1988-04-06 1988-04-06 DARK FLOW COMPENSATION FOR CCD UNIT DK159235C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK185188A DK159235C (en) 1988-04-06 1988-04-06 DARK FLOW COMPENSATION FOR CCD UNIT
JP1504085A JPH03503703A (en) 1988-04-06 1989-04-06 Method and apparatus for compensating dark current and offset voltage from a CCD element
PCT/DK1989/000076 WO1989010037A1 (en) 1988-04-06 1989-04-06 Method and apparatus to compensate for the dark current and offset voltage from a ccd-unit
EP19890904532 EP0400092A1 (en) 1988-04-06 1989-04-06 Method and apparatus to compensate for the dark current and offset voltage from a ccd-unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK185188 1988-04-06
DK185188A DK159235C (en) 1988-04-06 1988-04-06 DARK FLOW COMPENSATION FOR CCD UNIT

Publications (4)

Publication Number Publication Date
DK185188D0 DK185188D0 (en) 1988-04-06
DK185188A DK185188A (en) 1989-10-07
DK159235B DK159235B (en) 1990-09-17
DK159235C true DK159235C (en) 1991-03-04

Family

ID=8108537

Family Applications (1)

Application Number Title Priority Date Filing Date
DK185188A DK159235C (en) 1988-04-06 1988-04-06 DARK FLOW COMPENSATION FOR CCD UNIT

Country Status (4)

Country Link
EP (1) EP0400092A1 (en)
JP (1) JPH03503703A (en)
DK (1) DK159235C (en)
WO (1) WO1989010037A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2682779B1 (en) * 1990-11-30 1994-05-27 Lcia Insar DEVICE FOR TAKING LINEAR IMAGES OF A SURFACE.
DE4309724C2 (en) * 1993-03-25 1996-10-31 Kodak Ag Process for temperature-dependent dark current compensation in CCD image sensors
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
DE19734717A1 (en) 1997-08-11 1999-02-25 Sirona Dental Systems Gmbh Method for compensating the dark current when creating dental panoramic and / or cephalometric slice images
US6525769B1 (en) * 1998-12-30 2003-02-25 Intel Corporation Method and apparatus to compensate for dark current in an imaging device
US6977364B2 (en) 2003-07-28 2005-12-20 Asml Holding N.V. System and method for compensating for dark current in photosensitive devices
EP1532927B1 (en) * 2003-11-21 2007-12-19 Eastman Kodak Company Dental X-ray apparatus
US9407843B2 (en) 2013-10-23 2016-08-02 General Electric Company Detector system and module for compensating dark current

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5883488A (en) * 1981-11-13 1983-05-19 Hitachi Ltd Signal processing circuit for video camera
US4580168A (en) * 1982-05-27 1986-04-01 Rca Corporation Charge-storage-well dark current accumulator with CCD circuitry
JPS59100671A (en) * 1982-11-30 1984-06-09 Canon Inc Image pickup device
US4589025A (en) * 1984-11-30 1986-05-13 Rca Corporation Dark current measurement and correction for video from field-transfer imagers
DD245047A1 (en) * 1985-12-13 1987-04-22 Univ Schiller Jena ARRANGEMENT AND METHOD FOR CORRECTING THE OUTPUT SIGNALS OF A SEMICONDUCTOR IMAGE SENSOR CAMERA

Also Published As

Publication number Publication date
DK185188D0 (en) 1988-04-06
DK159235B (en) 1990-09-17
WO1989010037A1 (en) 1989-10-19
EP0400092A1 (en) 1990-12-05
JPH03503703A (en) 1991-08-15
DK185188A (en) 1989-10-07

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Legal Events

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PBP Patent lapsed