DK159235C - DARK FLOW COMPENSATION FOR CCD UNIT - Google Patents
DARK FLOW COMPENSATION FOR CCD UNITInfo
- 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
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)
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 |
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 |
JP1504085A JPH03503703A (en) | 1988-04-06 | 1989-04-06 | Method and apparatus for compensating dark current and offset voltage from a CCD element |
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 |
---|---|---|---|
DK185188A DK159235C (en) | 1988-04-06 | 1988-04-06 | DARK FLOW COMPENSATION FOR CCD UNIT |
DK185188 | 1988-04-06 |
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)
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 |
USH1616H (en) * | 1994-05-31 | 1996-12-03 | Minnesota Mining And Manufacturing Company | Web inspection system having enhanced video signal preprocessing |
US5471244A (en) * | 1994-05-31 | 1995-11-28 | 3M Company | Automatic dark level zeroing for an analog video signal |
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)
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 |
-
1988
- 1988-04-06 DK DK185188A patent/DK159235C/en not_active IP Right Cessation
-
1989
- 1989-04-06 EP EP19890904532 patent/EP0400092A1/en not_active Ceased
- 1989-04-06 JP JP1504085A patent/JPH03503703A/en active Pending
- 1989-04-06 WO PCT/DK1989/000076 patent/WO1989010037A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1989010037A1 (en) | 1989-10-19 |
EP0400092A1 (en) | 1990-12-05 |
DK185188D0 (en) | 1988-04-06 |
DK159235B (en) | 1990-09-17 |
JPH03503703A (en) | 1991-08-15 |
DK185188A (en) | 1989-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |