FR2661060B1 - Dispositif de suppression de bruit de clampage d'un signal de tv en reception. - Google Patents

Dispositif de suppression de bruit de clampage d'un signal de tv en reception.

Info

Publication number
FR2661060B1
FR2661060B1 FR9004661A FR9004661A FR2661060B1 FR 2661060 B1 FR2661060 B1 FR 2661060B1 FR 9004661 A FR9004661 A FR 9004661A FR 9004661 A FR9004661 A FR 9004661A FR 2661060 B1 FR2661060 B1 FR 2661060B1
Authority
FR
France
Prior art keywords
receiving
signal
suppressing
clamping noise
noise
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 - Fee Related
Application number
FR9004661A
Other languages
English (en)
Other versions
FR2661060A1 (fr
Inventor
Denis Roubertou
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.)
Telediffusion de France ets Public de Diffusion
Original Assignee
Telediffusion de France ets Public de Diffusion
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 Telediffusion de France ets Public de Diffusion filed Critical Telediffusion de France ets Public de Diffusion
Priority to FR9004661A priority Critical patent/FR2661060B1/fr
Publication of FR2661060A1 publication Critical patent/FR2661060A1/fr
Application granted granted Critical
Publication of FR2661060B1 publication Critical patent/FR2661060B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
FR9004661A 1990-04-11 1990-04-11 Dispositif de suppression de bruit de clampage d'un signal de tv en reception. Expired - Fee Related FR2661060B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9004661A FR2661060B1 (fr) 1990-04-11 1990-04-11 Dispositif de suppression de bruit de clampage d'un signal de tv en reception.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9004661A FR2661060B1 (fr) 1990-04-11 1990-04-11 Dispositif de suppression de bruit de clampage d'un signal de tv en reception.

Publications (2)

Publication Number Publication Date
FR2661060A1 FR2661060A1 (fr) 1991-10-18
FR2661060B1 true FR2661060B1 (fr) 1996-02-23

Family

ID=9395672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9004661A Expired - Fee Related FR2661060B1 (fr) 1990-04-11 1990-04-11 Dispositif de suppression de bruit de clampage d'un signal de tv en reception.

Country Status (1)

Country Link
FR (1) FR2661060B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63299577A (ja) * 1987-05-29 1988-12-07 Matsushita Electric Ind Co Ltd クランプ装置
DE3744076C2 (de) * 1987-12-24 1995-05-11 Broadcast Television Syst Verfahren und Schaltung zur Schwarzwertregelung eines Videosignals
FR2633473B1 (fr) * 1988-06-23 1990-11-09 France Etat Procede de restitution de la composante continue d'un signal du type dmac-paquet, dispositif et utilisation correspondants

Also Published As

Publication number Publication date
FR2661060A1 (fr) 1991-10-18

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Legal Events

Date Code Title Description
ST Notification of lapse