FR2513467B1 - Agencement de blocage d'un systeme d'accentuation de signaux video - Google Patents

Agencement de blocage d'un systeme d'accentuation de signaux video

Info

Publication number
FR2513467B1
FR2513467B1 FR8215894A FR8215894A FR2513467B1 FR 2513467 B1 FR2513467 B1 FR 2513467B1 FR 8215894 A FR8215894 A FR 8215894A FR 8215894 A FR8215894 A FR 8215894A FR 2513467 B1 FR2513467 B1 FR 2513467B1
Authority
FR
France
Prior art keywords
video signal
locking arrangement
enhancement system
signal enhancement
locking
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
FR8215894A
Other languages
English (en)
Other versions
FR2513467A1 (fr
Inventor
Leopold Albert Harwood
Robert Loren Ii Shanley
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 FR2513467A1 publication Critical patent/FR2513467A1/fr
Application granted granted Critical
Publication of FR2513467B1 publication Critical patent/FR2513467B1/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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
FR8215894A 1981-09-22 1982-09-21 Agencement de blocage d'un systeme d'accentuation de signaux video Expired FR2513467B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/304,346 US4386370A (en) 1981-09-22 1981-09-22 Clamping arrangement for a video signal peaking system

Publications (2)

Publication Number Publication Date
FR2513467A1 FR2513467A1 (fr) 1983-03-25
FR2513467B1 true FR2513467B1 (fr) 1988-06-10

Family

ID=23176132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8215894A Expired FR2513467B1 (fr) 1981-09-22 1982-09-21 Agencement de blocage d'un systeme d'accentuation de signaux video

Country Status (7)

Country Link
US (1) US4386370A (fr)
JP (1) JPS5868381A (fr)
CA (1) CA1180106A (fr)
DE (1) DE3235073C2 (fr)
FR (1) FR2513467B1 (fr)
GB (1) GB2106747B (fr)
IT (1) IT1159096B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899221A (en) * 1986-12-15 1990-02-06 North American Philips Consumer Electronics Corp. Television signal processing apparatus including rise time normalization and noise reduction
JP2004514330A (ja) * 2000-11-13 2004-05-13 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 非対称過渡信号の検出及び補正
US6956621B2 (en) * 2002-06-05 2005-10-18 Broadcom Corporation High impedance digital full line video clamp
US8130290B2 (en) * 2009-06-03 2012-03-06 Himax Imaging, Inc. Black level compensation circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1002782A (en) * 1963-02-12 1965-08-25 Rank Bush Murphy Ltd Signal level control circuit arrangements
US4110790A (en) * 1977-01-19 1978-08-29 Gte Sylvania Incorporated Video processing system providing gain control, aperture control, and black level control
US4263616A (en) * 1979-12-03 1981-04-21 Zenith Radio Corporation Signal peaking method and apparatus
JPS5687987A (en) * 1979-12-18 1981-07-17 Matsushita Electric Ind Co Ltd Controller for picture quality
US4296435A (en) * 1980-08-18 1981-10-20 Zenith Radio Corporation Luminance signal processing circuit
US4316210A (en) * 1980-08-28 1982-02-16 Rca Corporation Video signal processing apparatus
US4316214A (en) * 1980-08-29 1982-02-16 Rca Corporation Keying signal generator with input control for false output immunity
US4338630A (en) * 1980-12-15 1982-07-06 Zenith Radio Corporation One-chip chroma/luma IC: D.C. coupling reduction circuit
US4351003A (en) * 1981-04-20 1982-09-21 Rca Corporation Automatic video signal peaking control

Also Published As

Publication number Publication date
US4386370A (en) 1983-05-31
GB2106747A (en) 1983-04-13
CA1180106A (fr) 1984-12-27
DE3235073A1 (de) 1983-04-07
JPH0454427B2 (fr) 1992-08-31
DE3235073C2 (de) 1986-12-04
IT8223362A0 (it) 1982-09-21
GB2106747B (en) 1985-09-18
FR2513467A1 (fr) 1983-03-25
JPS5868381A (ja) 1983-04-23
IT1159096B (it) 1987-02-25

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Legal Events

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