GB8325688D0 - Circuit for improving the contrast of a video image - Google Patents

Circuit for improving the contrast of a video image

Info

Publication number
GB8325688D0
GB8325688D0 GBGB8325688.3A GB8325688A GB8325688D0 GB 8325688 D0 GB8325688 D0 GB 8325688D0 GB 8325688 A GB8325688 A GB 8325688A GB 8325688 D0 GB8325688 D0 GB 8325688D0
Authority
GB
United Kingdom
Prior art keywords
contrast
improving
circuit
video image
video
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.)
Ceased
Application number
GBGB8325688.3A
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB8325688D0 publication Critical patent/GB8325688D0/en
Ceased legal-status Critical Current

Links

GBGB8325688.3A 1982-09-28 1983-09-26 Circuit for improving the contrast of a video image Ceased GB8325688D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8216300A FR2629658B1 (en) 1982-09-28 1982-09-28 CIRCUIT FOR IMPROVING THE CONTRAST OF A VIDEO IMAGE, PARTICULARLY A PART OF THE IMAGE

Publications (1)

Publication Number Publication Date
GB8325688D0 true GB8325688D0 (en) 2009-09-09

Family

ID=9277807

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB8325688.3A Ceased GB8325688D0 (en) 1982-09-28 1983-09-26 Circuit for improving the contrast of a video image

Country Status (3)

Country Link
DE (1) DE3334898A1 (en)
FR (1) FR2629658B1 (en)
GB (1) GB8325688D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2648302A1 (en) * 1989-06-09 1990-12-14 Peugeot Method of processing a video composite signal of a scene to be examined
US5065443A (en) * 1989-12-04 1991-11-12 Allen-Bradley Company, Inc. Image processor with illumination variation compensation
FR2674049B1 (en) * 1991-03-12 1993-05-28 Thomson Csf METHOD OF INCREASING THE CONTRAST OF A GENERATOR OF SYNTHETIC IMAGES, AND GENERATOR OF IMPLEMENTATION.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1241869B (en) * 1962-05-12 1967-06-08 Fernseh Gmbh Circuit arrangement to improve the detail perceptibility of a television picture
FR1481969A (en) * 1966-01-14 1967-05-26 Device for increasing the contrast of a television picture
DE2229674C3 (en) * 1972-06-19 1979-02-15 Robert Bosch Gmbh, 7000 Stuttgart Circuit arrangement for increasing the contrast
FR2406922A1 (en) * 1977-10-21 1979-05-18 Thomson Csf VIDEO CONTRAST EXPANSION DEVICE AND SYSTEM INCLUDING SUCH A DEVICE

Also Published As

Publication number Publication date
FR2629658B1 (en) 1990-10-05
DE3334898A1 (en) 1989-12-28
FR2629658A1 (en) 1989-10-06

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)