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KR970010202B1 - Gradation control circuit - Google Patents

Gradation control circuit Download PDF

Info

Publication number
KR970010202B1
KR970010202B1 KR97012441A KR19970012441A KR970010202B1 KR 970010202 B1 KR970010202 B1 KR 970010202B1 KR 97012441 A KR97012441 A KR 97012441A KR 19970012441 A KR19970012441 A KR 19970012441A KR 970010202 B1 KR970010202 B1 KR 970010202B1
Authority
KR
South Korea
Prior art keywords
control circuit
gradation control
gradation
circuit
control
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 - Lifetime
Application number
KR97012441A
Other languages
Korean (ko)
Inventor
Taku Kihara
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
Priority claimed from JP62080310A external-priority patent/JP2522296B2/en
Priority claimed from JP62147717A external-priority patent/JP2773821B2/en
Priority claimed from KR1019880003475A external-priority patent/KR0139418B1/en
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of KR970010202B1 publication Critical patent/KR970010202B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
KR97012441A 1987-03-31 1997-03-31 Gradation control circuit Expired - Lifetime KR970010202B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62080310A JP2522296B2 (en) 1987-03-31 1987-03-31 Video signal gradation control circuit
JP62147717A JP2773821B2 (en) 1987-06-13 1987-06-13 Contour compensation circuit
KR1019880003475A KR0139418B1 (en) 1987-03-31 1988-03-30 Aperture correction circuits

Publications (1)

Publication Number Publication Date
KR970010202B1 true KR970010202B1 (en) 1997-06-23

Family

ID=27303264

Family Applications (1)

Application Number Title Priority Date Filing Date
KR97012441A Expired - Lifetime KR970010202B1 (en) 1987-03-31 1997-03-31 Gradation control circuit

Country Status (1)

Country Link
KR (1) KR970010202B1 (en)

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Legal Events

Date Code Title Description
A107 Divisional application of patent
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20111129

Year of fee payment: 15

EXPY Expiration of term