FR2524753B1 - Systeme d'accentuation de signaux video - Google Patents

Systeme d'accentuation de signaux video

Info

Publication number
FR2524753B1
FR2524753B1 FR8305259A FR8305259A FR2524753B1 FR 2524753 B1 FR2524753 B1 FR 2524753B1 FR 8305259 A FR8305259 A FR 8305259A FR 8305259 A FR8305259 A FR 8305259A FR 2524753 B1 FR2524753 B1 FR 2524753B1
Authority
FR
France
Prior art keywords
video signal
enhancement system
signal enhancement
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
FR8305259A
Other languages
English (en)
Other versions
FR2524753A1 (fr
Inventor
Leopold Albert Harwood
Robert Loren Shanley
William Adamson Lagoni
Wayne Ellis Harlan
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
Priority claimed from US06/394,885 external-priority patent/US4509080A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2524753A1 publication Critical patent/FR2524753A1/fr
Application granted granted Critical
Publication of FR2524753B1 publication Critical patent/FR2524753B1/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
    • H04N5/142—Edging; Contouring
    • 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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
FR8305259A 1982-03-31 1983-03-30 Systeme d'accentuation de signaux video Expired FR2524753B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36386882A 1982-03-31 1982-03-31
US06/394,885 US4509080A (en) 1982-07-02 1982-07-02 Video signal peaking system

Publications (2)

Publication Number Publication Date
FR2524753A1 FR2524753A1 (fr) 1983-10-07
FR2524753B1 true FR2524753B1 (fr) 1988-11-10

Family

ID=27002242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8305259A Expired FR2524753B1 (fr) 1982-03-31 1983-03-30 Systeme d'accentuation de signaux video

Country Status (5)

Country Link
KR (1) KR920000980B1 (fr)
DE (1) DE3311883C2 (fr)
FR (1) FR2524753B1 (fr)
GB (1) GB2118396B (fr)
IT (1) IT1175303B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437124A (en) * 1982-04-30 1984-03-13 Rca Corporation Dynamic coring circuit
US4536796A (en) * 1983-08-23 1985-08-20 Rca Corporation Non-linear dynamic coring circuit for video signals
US4882626A (en) * 1988-05-04 1989-11-21 Rca Licensing Corporation Signal combining circuitry
KR910006373B1 (ko) * 1988-06-11 1991-08-21 삼성전자 주식회사 잡음 제거 레벨 자동 조정 회로
KR920010938B1 (ko) * 1990-05-21 1992-12-24 삼성전자 주식회사 화면 밝기에 따른 수직 윤곽조정 회로
US5187567A (en) * 1991-10-03 1993-02-16 Zenith Electronics Corporation Automatic video peaking system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984865A (en) * 1975-03-26 1976-10-05 Rca Corporation Transient suppression in television video systems
US4080627A (en) * 1977-01-19 1978-03-21 Gte Sylvania Incorporated Aperture correction circuitry for a video correction system
US4167749A (en) * 1977-05-26 1979-09-11 Rca Corporation Noise reduction apparatus
US4399460A (en) * 1981-10-09 1983-08-16 Rca Corporation Video signal peaking control system with provision for automatic and manual control

Also Published As

Publication number Publication date
GB8308452D0 (en) 1983-05-05
GB2118396A (en) 1983-10-26
FR2524753A1 (fr) 1983-10-07
KR840004644A (ko) 1984-10-22
DE3311883A1 (de) 1983-10-06
KR920000980B1 (ko) 1992-01-31
DE3311883C2 (de) 1986-03-27
GB2118396B (en) 1985-09-25
IT1175303B (it) 1987-07-01
IT8320346A0 (it) 1983-03-29

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Legal Events

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