CA1086855A - Video signal reproducing apparatus with electron beam scanning velocity modulation - Google Patents

Video signal reproducing apparatus with electron beam scanning velocity modulation

Info

Publication number
CA1086855A
CA1086855A CA290,988A CA290988A CA1086855A CA 1086855 A CA1086855 A CA 1086855A CA 290988 A CA290988 A CA 290988A CA 1086855 A CA1086855 A CA 1086855A
Authority
CA
Canada
Prior art keywords
video signal
compensated
falling edges
screen
rising
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
CA290,988A
Other languages
English (en)
French (fr)
Inventor
Yutaka Tanaka
Hiroshi Sahara
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
Application granted granted Critical
Publication of CA1086855A publication Critical patent/CA1086855A/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)
CA290,988A 1976-11-29 1977-11-16 Video signal reproducing apparatus with electron beam scanning velocity modulation Expired CA1086855A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP143118/76 1976-11-29
JP51143118A JPS5851709B2 (ja) 1976-11-29 1976-11-29 テレビジヨン受像機

Publications (1)

Publication Number Publication Date
CA1086855A true CA1086855A (en) 1980-09-30

Family

ID=15331325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290,988A Expired CA1086855A (en) 1976-11-29 1977-11-16 Video signal reproducing apparatus with electron beam scanning velocity modulation

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)

Families Citing this family (16)

* 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
JP3557722B2 (ja) * 1995-06-14 2004-08-25 三菱電機株式会社 走査速度変調回路
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

Also Published As

Publication number Publication date
JPS5851709B2 (ja) 1983-11-17
GB1589846A (en) 1981-05-20
DE2753196A1 (de) 1978-07-06
NL190653C (nl) 1994-06-01
DE2753196C2 (de) 1986-07-17
GB1589845A (en) 1981-05-20
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
MKEX Expiry