GB1589845A - Video signal reproducing apparatus - Google Patents

Video signal reproducing apparatus Download PDF

Info

Publication number
GB1589845A
GB1589845A GB49278/77A GB4927877A GB1589845A GB 1589845 A GB1589845 A GB 1589845A GB 49278/77 A GB49278/77 A GB 49278/77A GB 4927877 A GB4927877 A GB 4927877A GB 1589845 A GB1589845 A GB 1589845A
Authority
GB
United Kingdom
Prior art keywords
video signal
compensated
reproducing apparatus
screen
compensated video
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
GB49278/77A
Other languages
English (en)
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of GB1589845A publication Critical patent/GB1589845A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/32—Velocity varied in dependence upon picture information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Picture Signal Circuits (AREA)
GB49278/77A 1976-11-29 1977-11-25 Video signal reproducing apparatus Expired GB1589845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51143118A JPS5851709B2 (ja) 1976-11-29 1976-11-29 テレビジヨン受像機

Publications (1)

Publication Number Publication Date
GB1589845A true GB1589845A (en) 1981-05-20

Family

ID=15331325

Family Applications (2)

Application Number Title Priority Date Filing Date
GB49278/77A Expired GB1589845A (en) 1976-11-29 1977-11-25 Video signal reproducing apparatus
GB2825/80A Expired GB1589846A (en) 1976-11-29 1977-11-25 Video signal reproducing apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2825/80A Expired GB1589846A (en) 1976-11-29 1977-11-25 Video signal reproducing apparatus

Country Status (7)

Country Link
US (1) US4183064A (enExample)
JP (1) JPS5851709B2 (enExample)
CA (1) CA1086855A (enExample)
DE (1) DE2753196C2 (enExample)
FR (1) FR2372556A1 (enExample)
GB (2) GB1589845A (enExample)
NL (1) NL190653C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302249A (en) * 1995-06-14 1997-01-08 Mitsubishi Electric Corp Scanning speed modulation circuit

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906649C2 (de) * 1979-02-21 1981-02-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur Verbesserung der Bildschärfe in einem Fernsehempfänger
US4309725A (en) * 1979-10-23 1982-01-05 Rca Corporation Signal processor for beam-scan velocity modulation
US4665432A (en) * 1984-01-30 1987-05-12 Sharp Kabushiki Kaisha Video contour correction system
JPS60223381A (ja) * 1984-04-20 1985-11-07 Hitachi Ltd 走査速度変調回路
FR2570236B1 (fr) * 1984-09-07 1986-11-21 Thomson Csf Dispositif de correction des defauts d'uniformite induits dans les signaux issus d'une camera de television par les variations de vitesse d'analyse
US4680631A (en) * 1984-09-19 1987-07-14 Tokyo Electric Co., Ltd. Television composite video signal processing circuit
JPS6242805U (enExample) * 1985-09-02 1987-03-14
US5196941A (en) * 1990-08-02 1993-03-23 Rca Licensing Corporation Beam scan velocity modulation apparatus
US5072300A (en) * 1990-08-02 1991-12-10 Thomson Consumer Electronics, Inc. Beam scan velocity modulation apparatus with disabling circuit
US5093728A (en) * 1990-08-02 1992-03-03 Thomson Consumer Electronics, Inc. Beam scan velocity modulation apparatus
EP0598439B1 (en) * 1992-11-17 1998-10-07 Koninklijke Philips Electronics N.V. Display device using scan velocity modulation
DE69321438T2 (de) * 1992-11-17 1999-05-12 Koninklijke Philips Electronics N.V., Eindhoven Anzeigevorrichtung mit Modulation der Abtastgeschwindigkeit
US6329770B1 (en) * 1999-11-05 2001-12-11 Thomson Licensing S.A. Control of emission in a video display
US6870331B2 (en) * 2000-05-31 2005-03-22 Sarnoff Corporation Space-saving cathode ray tube employing a non-self-converging deflection yoke
US6882096B2 (en) * 2003-07-10 2005-04-19 Sony Corporation Active landing control system for raster based devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227630A (en) * 1937-11-05 1941-01-07 Hygrade Sylvania Corp Television receiving system
US2678964A (en) * 1950-08-14 1954-05-18 Hazeltine Research Inc Modifying the transient response of image-reproducers
US3752916A (en) * 1971-09-30 1973-08-14 Ellanin Investments Method and apparatus for improving the horizontal sharpness of electronically scanned images
US3830958A (en) * 1972-03-23 1974-08-20 Sony Corp Image enhancement apparatus utilizing variable velocity scan
US3936872A (en) * 1973-12-21 1976-02-03 Sony Corporation Video signal reproducing device with electron beam scanning velocity modulation
US3980819A (en) * 1974-11-01 1976-09-14 Zenith Radio Corporation Edge enhancement for television images
US3935384A (en) * 1975-01-02 1976-01-27 Zenith Radio Corporation Network for generating a CRT control signal for enhancing the edges of television images

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302249A (en) * 1995-06-14 1997-01-08 Mitsubishi Electric Corp Scanning speed modulation circuit
GB2302249B (en) * 1995-06-14 1997-05-21 Mitsubishi Electric Corp Scanning speed modulating circuit and method
US5912715A (en) * 1995-06-14 1999-06-15 Mitsubishi Denki Kabushiki Kaisha Scanning speed modulating circuit and method

Also Published As

Publication number Publication date
JPS5851709B2 (ja) 1983-11-17
GB1589846A (en) 1981-05-20
CA1086855A (en) 1980-09-30
DE2753196A1 (de) 1978-07-06
NL190653C (nl) 1994-06-01
DE2753196C2 (de) 1986-07-17
NL7713173A (nl) 1978-05-31
FR2372556B1 (enExample) 1984-09-14
JPS5368023A (en) 1978-06-17
FR2372556A1 (fr) 1978-06-23
NL190653B (nl) 1994-01-03
US4183064A (en) 1980-01-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19971124