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FR2514598B1 - Systeme de reglage de l'accentuation d'un signal video avec possibilite de reglage automatique et manuel - Google Patents

Systeme de reglage de l'accentuation d'un signal video avec possibilite de reglage automatique et manuel

Info

Publication number
FR2514598B1
FR2514598B1 FR8216920A FR8216920A FR2514598B1 FR 2514598 B1 FR2514598 B1 FR 2514598B1 FR 8216920 A FR8216920 A FR 8216920A FR 8216920 A FR8216920 A FR 8216920A FR 2514598 B1 FR2514598 B1 FR 2514598B1
Authority
FR
France
Prior art keywords
enhancement
possibility
automatic
adjusting
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
Application number
FR8216920A
Other languages
English (en)
Other versions
FR2514598A1 (fr
Inventor
Leopold Albert Harwood
Robert Loren Ii Shanley
James Hettiger
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of FR2514598A1 publication Critical patent/FR2514598A1/fr
Application granted granted Critical
Publication of FR2514598B1 publication Critical patent/FR2514598B1/fr
Expired 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00—Drugs for disorders of the senses
    • A61P27/02—Ophthalmic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00—Drugs for disorders of the senses
    • A61P27/02—Ophthalmic agents
    • A61P27/12—Ophthalmic agents for cataracts

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Picture Signal Circuits (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Networks Using Active Elements (AREA)
FR8216920A 1981-10-09 1982-10-08 Systeme de reglage de l'accentuation d'un signal video avec possibilite de reglage automatique et manuel Expired FR2514598B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/310,139 US4399460A (en) 1981-10-09 1981-10-09 Video signal peaking control system with provision for automatic and manual control

Publications (2)

Publication Number Publication Date
FR2514598A1 FR2514598A1 (fr) 1983-04-15
FR2514598B1 true FR2514598B1 (fr) 1988-03-11

Family

ID=23201163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8216920A Expired FR2514598B1 (fr) 1981-10-09 1982-10-08 Systeme de reglage de l'accentuation d'un signal video avec possibilite de reglage automatique et manuel

Country Status (11)

Country Link
US (1) US4399460A (fr)
JP (2) JPS5873289A (fr)
KR (1) KR920000573B1 (fr)
AT (1) AT385619B (fr)
AU (1) AU558172B2 (fr)
CA (1) CA1185354A (fr)
DE (1) DE3237421C2 (fr)
ES (1) ES8401701A1 (fr)
FR (1) FR2514598B1 (fr)
GB (1) GB2107552B (fr)
IT (1) IT1152706B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118007B (en) * 1982-03-31 1985-11-13 Rca Corp Adjustable coring circuit
GB2118396B (en) * 1982-03-31 1985-09-25 Rca Corp Video signal peaking system
US4509080A (en) * 1982-07-02 1985-04-02 Rca Corporation Video signal peaking system
US4437124A (en) * 1982-04-30 1984-03-13 Rca Corporation Dynamic coring circuit
US4538236A (en) * 1982-09-24 1985-08-27 Rca Corporation Adaptive digital signal coring circuit
US4536796A (en) * 1983-08-23 1985-08-20 Rca Corporation Non-linear dynamic coring circuit for video signals
US4680631A (en) * 1984-09-19 1987-07-14 Tokyo Electric Co., Ltd. Television composite video signal processing circuit
US4635118A (en) * 1985-01-28 1987-01-06 Rca Corporation Interface circuit for video signal peaking control
US4623924A (en) * 1985-02-19 1986-11-18 Rca Corporation Video signal auto peaking circuitry
US4918165A (en) * 1987-07-16 1990-04-17 Ophthalmic Research Corporation Mitotic inhibitor and method for preventing posterior lens capsule opacification after extracapsular extraction
KR950003021B1 (ko) * 1989-06-26 1995-03-29 주식회사 금성사 브이씨알의 리모콘에 의한 해상도 업/다운 회로 및 그 제어방법
US5121209A (en) * 1990-10-01 1992-06-09 Rca Licensing Corporation Sharpness control for a television image
US5299000A (en) * 1992-06-17 1994-03-29 Zenith Electronics Corp. Video white signal compression and peaking
EP0969657A1 (fr) * 1998-06-29 2000-01-05 NuWave Technologies, Inc. Procédé et dispositif pour améliorer la netteté apparente d'une image
SG115542A1 (en) * 2003-05-21 2005-10-28 St Microelectronics Asia Adaptive coring for video peaking

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2629706C3 (de) * 1976-07-02 1986-07-10 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Übertragung und/oder Aufzeichnung von Farbfernsehsignalen
US4075661A (en) * 1976-08-19 1978-02-21 The Magnavox Company Automatic peaking circuit
US4090217A (en) * 1976-08-23 1978-05-16 Gte Laboratories Incorporated Automatic sharpness control circuit for a television receiver
US4081836A (en) * 1976-11-30 1978-03-28 The Magnavox Company Luminance signal processor for providing signal enhancement
US4069505A (en) * 1977-01-19 1978-01-17 Gte Sylvania Incorporated Automatic peaking control circuitry for a video processing system
US4296435A (en) * 1980-08-18 1981-10-20 Zenith Radio Corporation Luminance signal processing circuit
US4351003A (en) * 1981-04-20 1982-09-21 Rca Corporation Automatic video signal peaking control

Also Published As

Publication number Publication date
JPH0134501B2 (fr) 1989-07-19
DE3237421A1 (de) 1983-04-21
DE3237421C2 (de) 1986-09-11
JPS5874609A (ja) 1983-05-06
JPS5873289A (ja) 1983-05-02
KR840002197A (ko) 1984-06-11
JPH029009B2 (fr) 1990-02-28
US4399460A (en) 1983-08-16
CA1185354A (fr) 1985-04-09
ES516147A0 (es) 1983-12-16
FR2514598A1 (fr) 1983-04-15
AU558172B2 (en) 1987-01-22
AT385619B (de) 1988-04-25
AU8896282A (en) 1983-04-14
IT8223642A0 (it) 1982-10-06
GB2107552A (en) 1983-04-27
KR920000573B1 (ko) 1992-01-16
GB2107552B (en) 1985-06-12
IT1152706B (it) 1987-01-07
ES8401701A1 (es) 1983-12-16
ATA375382A (de) 1987-09-15

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse