JPH0491478U - - Google Patents

Info

Publication number
JPH0491478U
JPH0491478U JP1991002726U JP272691U JPH0491478U JP H0491478 U JPH0491478 U JP H0491478U JP 1991002726 U JP1991002726 U JP 1991002726U JP 272691 U JP272691 U JP 272691U JP H0491478 U JPH0491478 U JP H0491478U
Authority
JP
Japan
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.)
Granted
Application number
JP1991002726U
Other languages
Japanese (ja)
Other versions
JPH075725Y2 (ja
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 filed Critical
Publication of JPH0491478U publication Critical patent/JPH0491478U/ja
Application granted granted Critical
Publication of JPH075725Y2 publication Critical patent/JPH075725Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/21Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/76Circuitry for compensating brightness variation in the scene by influencing the image signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • H04N5/205Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00Applications
    • H01H2231/036Radio; TV

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
JP1991002726U 1989-12-30 1991-01-04 映像信号処理回路 Expired - Lifetime JPH075725Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1989-21295 1989-12-30
KR2019890021295U KR920008257Y1 (ko) 1989-12-30 1989-12-30 감도향상회로

Publications (2)

Publication Number Publication Date
JPH0491478U true JPH0491478U (enExample) 1992-08-10
JPH075725Y2 JPH075725Y2 (ja) 1995-02-08

Family

ID=19294996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991002726U Expired - Lifetime JPH075725Y2 (ja) 1989-12-30 1991-01-04 映像信号処理回路

Country Status (4)

Country Link
US (1) US5153727A (enExample)
JP (1) JPH075725Y2 (enExample)
KR (1) KR920008257Y1 (enExample)
GB (1) GB2243742B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3411978B2 (ja) * 1991-06-24 2003-06-03 キヤノン株式会社 画像信号処理装置
JPH05115022A (ja) * 1991-10-21 1993-05-07 Canon Inc 画像処理装置
JP3413850B2 (ja) * 1992-06-10 2003-06-09 ソニー株式会社 ビデオカメラ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537111B2 (de) * 1967-07-28 1974-05-16 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Verfahren und Anordnung zur Erhöhung der Konturenschärfe eines Fernsehbildes durch zweiseitige Aperturkorrektur des bildschreibenden Fernsehsignals
JPS587980A (ja) * 1981-07-06 1983-01-17 Matsushita Electric Ind Co Ltd アパ−チヤ補償回路
JPS58219872A (ja) * 1982-06-15 1983-12-21 Pioneer Electronic Corp 輪郭補正回路
JPS60102064A (ja) * 1983-11-09 1985-06-06 Nec Corp 輪郭補正信号発生回路
GB2151429B (en) * 1983-11-26 1987-03-18 Toshiba Kk Vertical contour correction device
US4991021A (en) * 1988-06-22 1991-02-05 Nec Corporation Digital video signal compensation circuit
JPH0263271A (ja) * 1988-08-29 1990-03-02 Nikon Corp 映像信号処理回路

Also Published As

Publication number Publication date
US5153727A (en) 1992-10-06
GB2243742B (en) 1994-02-02
GB2243742A (en) 1991-11-06
JPH075725Y2 (ja) 1995-02-08
GB9028156D0 (en) 1991-02-13
KR910013424U (ko) 1991-07-30
KR920008257Y1 (ko) 1992-11-14

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term