FR2627043B1 - Procede pour la compression des blancs d'un signal video et circuit pour la mise en oeuvre du procede - Google Patents

Procede pour la compression des blancs d'un signal video et circuit pour la mise en oeuvre du procede

Info

Publication number
FR2627043B1
FR2627043B1 FR8900206A FR8900206A FR2627043B1 FR 2627043 B1 FR2627043 B1 FR 2627043B1 FR 8900206 A FR8900206 A FR 8900206A FR 8900206 A FR8900206 A FR 8900206A FR 2627043 B1 FR2627043 B1 FR 2627043B1
Authority
FR
France
Prior art keywords
white
compression
implementation
circuit
video signal
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
FR8900206A
Other languages
English (en)
Other versions
FR2627043A1 (fr
Inventor
Klemmer Wolfram
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 FR2627043A1 publication Critical patent/FR2627043A1/fr
Application granted granted Critical
Publication of FR2627043B1 publication Critical patent/FR2627043B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • F16H61/66254—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling
    • F16H61/66263—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling using only hydraulical and mechanical sensing or control means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
FR8900206A 1988-02-04 1989-01-10 Procede pour la compression des blancs d'un signal video et circuit pour la mise en oeuvre du procede Expired - Fee Related FR2627043B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3803201A DE3803201A1 (de) 1988-02-04 1988-02-04 Steuerventilanordnung fuer ein stufenlos regelbares umschlingungsgetriebe

Publications (2)

Publication Number Publication Date
FR2627043A1 FR2627043A1 (fr) 1989-08-11
FR2627043B1 true FR2627043B1 (fr) 1996-10-11

Family

ID=6346542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8900206A Expired - Fee Related FR2627043B1 (fr) 1988-02-04 1989-01-10 Procede pour la compression des blancs d'un signal video et circuit pour la mise en oeuvre du procede

Country Status (4)

Country Link
US (1) US4914984A (fr)
EP (1) EP0326949A3 (fr)
DE (1) DE3803201A1 (fr)
FR (1) FR2627043B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339605A (en) * 1998-04-25 2000-02-02 Bernard Crawshaw Leggat A CVT with a hydraulic control system
US7207913B2 (en) * 2003-07-18 2007-04-24 Dade Behring Inc. Bi-directional drivebelt tensioning device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL162183C (nl) * 1976-02-09 1980-04-15 Doornes Transmissie Bv Traploos variabele aandrijving.
NL165821C (nl) * 1976-02-09 1981-05-15 Doornes Transmissie Bv Traploos variabele overbrenging.
NL168038B (nl) * 1978-05-03 1981-09-16 Doornes Transmissie Bv Inrichting voor het regelen van de overbrengings- verhouding van een traploos variabele transmissie van een motorvoertuig.
NL7811192A (nl) * 1978-11-13 1980-05-16 Doornes Transmissie Bv Werkwijze en inrichting voor het regelen van een trap- loos variabele transmissie van een motorvoertuig.
IT1135352B (it) * 1981-02-06 1986-08-20 Alfa Romeo Spa Cambio di velocita' automatico continuo per autoveicoli
JPS57161347A (en) * 1981-03-28 1982-10-04 Nissan Motor Co Ltd Hydraulic control unit in v-belt stepless speed change gear
JPS59140129A (ja) * 1983-01-31 1984-08-11 Nissan Motor Co Ltd 無段変速機又は自動変速機の油圧制御装置
JPS6030855A (ja) * 1983-07-30 1985-02-16 Mazda Motor Corp 無段変速機の制御装置
JPS6053256A (ja) * 1983-08-31 1985-03-26 Fuji Heavy Ind Ltd 無段変速機のキックダウン制御装置
JPS60159454A (ja) * 1984-01-30 1985-08-20 Fuji Heavy Ind Ltd 無段変速機の変速制御装置
JPS60159456A (ja) * 1984-01-30 1985-08-20 Fuji Heavy Ind Ltd 無段変速機の油圧制御装置
NL8400296A (nl) * 1984-02-01 1985-09-02 Doornes Transmissie Bv Traploos variabele overbrenging.
JPS6152456A (ja) * 1984-08-17 1986-03-15 Fuji Heavy Ind Ltd 無段変速機の変速制御装置
DE3446821A1 (de) * 1984-12-21 1986-06-26 Robert Bosch Gmbh, 7000 Stuttgart Schaltung zur weisskompression eines viedeosignals
US4768632A (en) * 1987-01-08 1988-09-06 Ford Motor Company Lockup control system for an automatic transmission torque converter

Also Published As

Publication number Publication date
US4914984A (en) 1990-04-10
FR2627043A1 (fr) 1989-08-11
DE3803201A1 (de) 1989-08-17
EP0326949A2 (fr) 1989-08-09
EP0326949A3 (fr) 1990-08-22

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Legal Events

Date Code Title Description
ST Notification of lapse