FR2753326B1 - Dispositif de detection de verrouillage d'un circuit de controle automatique de gain - Google Patents

Dispositif de detection de verrouillage d'un circuit de controle automatique de gain

Info

Publication number
FR2753326B1
FR2753326B1 FR9611219A FR9611219A FR2753326B1 FR 2753326 B1 FR2753326 B1 FR 2753326B1 FR 9611219 A FR9611219 A FR 9611219A FR 9611219 A FR9611219 A FR 9611219A FR 2753326 B1 FR2753326 B1 FR 2753326B1
Authority
FR
France
Prior art keywords
locking
detecting
control circuit
gain control
automatic gain
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
FR9611219A
Other languages
English (en)
Other versions
FR2753326A1 (fr
Inventor
Eric Cirot
Nicolas Lebouleux
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics 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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Priority to FR9611219A priority Critical patent/FR2753326B1/fr
Priority to US08/922,612 priority patent/US5889421A/en
Publication of FR2753326A1 publication Critical patent/FR2753326A1/fr
Application granted granted Critical
Publication of FR2753326B1 publication Critical patent/FR2753326B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L5/00—Automatic control of voltage, current, or power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Picture Signal Circuits (AREA)
FR9611219A 1996-09-09 1996-09-09 Dispositif de detection de verrouillage d'un circuit de controle automatique de gain Expired - Fee Related FR2753326B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9611219A FR2753326B1 (fr) 1996-09-09 1996-09-09 Dispositif de detection de verrouillage d'un circuit de controle automatique de gain
US08/922,612 US5889421A (en) 1996-09-09 1997-09-03 Device for detecting the locking of an automatic gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9611219A FR2753326B1 (fr) 1996-09-09 1996-09-09 Dispositif de detection de verrouillage d'un circuit de controle automatique de gain

Publications (2)

Publication Number Publication Date
FR2753326A1 FR2753326A1 (fr) 1998-03-13
FR2753326B1 true FR2753326B1 (fr) 1998-11-27

Family

ID=9495734

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9611219A Expired - Fee Related FR2753326B1 (fr) 1996-09-09 1996-09-09 Dispositif de detection de verrouillage d'un circuit de controle automatique de gain

Country Status (2)

Country Link
US (1) US5889421A (fr)
FR (1) FR2753326B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19944397A1 (de) * 1999-09-16 2001-03-22 Philips Corp Intellectual Pty Anordnung zur Auskopplung eines Auskoppelstroms aus einem Laststrom und zur Gewinnung einer Regelgrösse zur Steuerung des Laststroms
US20060066438A1 (en) * 2004-09-27 2006-03-30 David Altounian Method and system for controllably and selectively securing a portable computing device to a physical holding device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361785A (en) * 1979-10-01 1982-11-30 K&R Engineering Sales Corporation Versatile video CRT display
JP2726305B2 (ja) * 1989-04-17 1998-03-11 株式会社日立製作所 画像表示装置
US4999549A (en) * 1990-04-27 1991-03-12 Rca Licensing Corporation Switched mode vertical deflection system and control circuit
US5111119A (en) * 1991-05-17 1992-05-05 Thomson Consumer Electronics, Inc. Scan loss detector for cathode ray tube
US5250879A (en) * 1992-03-02 1993-10-05 Thomson Consumer Electronics, S.A. Deflection circuit having a controllable sawtooth generator
US5815016A (en) * 1994-09-02 1998-09-29 Xilinx, Inc. Phase-locked delay loop for clock correction
JP3523718B2 (ja) * 1995-02-06 2004-04-26 株式会社ルネサステクノロジ 半導体装置
US5703656A (en) * 1995-12-12 1997-12-30 Trw Inc. Digital phase error detector for locking to color subcarrier of video signals

Also Published As

Publication number Publication date
US5889421A (en) 1999-03-30
FR2753326A1 (fr) 1998-03-13

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070531