FR2648659B3 - Circuit de correction numerique d'ouverture d'un signal video - Google Patents

Circuit de correction numerique d'ouverture d'un signal video

Info

Publication number
FR2648659B3
FR2648659B3 FR9002496A FR9002496A FR2648659B3 FR 2648659 B3 FR2648659 B3 FR 2648659B3 FR 9002496 A FR9002496 A FR 9002496A FR 9002496 A FR9002496 A FR 9002496A FR 2648659 B3 FR2648659 B3 FR 2648659B3
Authority
FR
France
Prior art keywords
opening
video signal
correction circuit
digital correction
digital
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.)
Expired - Lifetime
Application number
FR9002496A
Other languages
English (en)
Other versions
FR2648659A1 (fr
Inventor
Arno Beckenbach
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.)
Philips GmbH
Original Assignee
BTS Broadcast Television Systems GmbH
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 BTS Broadcast Television Systems GmbH filed Critical BTS Broadcast Television Systems GmbH
Publication of FR2648659A1 publication Critical patent/FR2648659A1/fr
Application granted granted Critical
Publication of FR2648659B3 publication Critical patent/FR2648659B3/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
FR9002496A 1989-06-16 1990-02-28 Circuit de correction numerique d'ouverture d'un signal video Expired - Lifetime FR2648659B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893919817 DE3919817C2 (de) 1989-06-16 1989-06-16 Schaltungsanordnung zur digitalen Aperturkorrektur eines Videosignals

Publications (2)

Publication Number Publication Date
FR2648659A1 FR2648659A1 (fr) 1990-12-21
FR2648659B3 true FR2648659B3 (fr) 1991-09-20

Family

ID=6382943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9002496A Expired - Lifetime FR2648659B3 (fr) 1989-06-16 1990-02-28 Circuit de correction numerique d'ouverture d'un signal video

Country Status (3)

Country Link
JP (1) JPH0332170A (fr)
DE (1) DE3919817C2 (fr)
FR (1) FR2648659B3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4239396C1 (de) * 1992-11-24 1994-02-24 Itt Ind Gmbh Deutsche Verfahren zur Erzeugung eines modifizierten Videosignals
DE19722358A1 (de) 1997-05-28 1998-12-03 Thomson Brandt Gmbh Verfahren zur Bearbeitung von Übergangsbereichen in einem Bildsignal
JP4126938B2 (ja) 2002-03-22 2008-07-30 セイコーエプソン株式会社 画像処理装置および画像出力装置

Also Published As

Publication number Publication date
DE3919817A1 (de) 1990-12-20
JPH0332170A (ja) 1991-02-12
DE3919817C2 (de) 1996-03-28
FR2648659A1 (fr) 1990-12-21

Similar Documents

Publication Publication Date Title
EP0473516A3 (en) Digital electronic still camera
SG76469A1 (en) Digital signal encoders
FR2613569B1 (fr) Circuit de correction d'ouverture pour une camera video
IL98161A (en) Programmable signal processor architecture
EP0588656A3 (en) Digital pll circuit having signal edge position measurement
HK61096A (en) Picture signal interpolation circuit
GB2247133B (en) Digital image signal playback circuit
GB2229601B (en) Circuit arrangement for deriving synchronising information from a digital video signal
GB2253536B (en) White-balancing circuit
EP0470827A3 (en) Synchronizing signal selection circuit
GB2240907B (en) Digital signal time difference correcting circuit
FR2648659B3 (fr) Circuit de correction numerique d'ouverture d'un signal video
EP0462804A3 (en) Video signal clamper
GB9024224D0 (en) Digital still video camera
GB2247590B (en) Color signal reproducing circuit
GB9119091D0 (en) Digital video signal prcessing
SG43046A1 (en) Digital recorder
GB2246265B (en) Circuit arrangement for filtering a video signal obtained by scanning a film
FR2643768B1 (fr) Circuit pour capteurs video a infrarouge
GB2243469B (en) Digital signal processor
GB2243747B (en) Digital signal error detecting arrangements
GB2246681B (en) Video signal mixing circuit
GB9007521D0 (en) A signal processor
DE69126517D1 (de) Verbesserte Videosignalauswahlvorrichtung
EP0430405A3 (en) Digital switcher for routing signals

Legal Events

Date Code Title Description
ST Notification of lapse