IT1027759B - Circuito di correzine della apertura - Google Patents

Circuito di correzine della apertura

Info

Publication number
IT1027759B
IT1027759B IT30667/74A IT3066774A IT1027759B IT 1027759 B IT1027759 B IT 1027759B IT 30667/74 A IT30667/74 A IT 30667/74A IT 3066774 A IT3066774 A IT 3066774A IT 1027759 B IT1027759 B IT 1027759B
Authority
IT
Italy
Prior art keywords
correzine
circuit
opening
opening correzine
correzine circuit
Prior art date
Application number
IT30667/74A
Other languages
English (en)
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 IT1027759B publication Critical patent/IT1027759B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
IT30667/74A 1973-12-17 1974-12-17 Circuito di correzine della apertura IT1027759B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14164473A JPS5539948B2 (it) 1973-12-17 1973-12-17

Publications (1)

Publication Number Publication Date
IT1027759B true IT1027759B (it) 1978-12-20

Family

ID=15296827

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30667/74A IT1027759B (it) 1973-12-17 1974-12-17 Circuito di correzine della apertura

Country Status (8)

Country Link
US (1) US3980813A (it)
JP (1) JPS5539948B2 (it)
CA (1) CA1026457A (it)
DE (1) DE2459681C3 (it)
FR (1) FR2254921B1 (it)
GB (1) GB1482790A (it)
IT (1) IT1027759B (it)
NL (1) NL7416225A (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131120A (it) * 1974-09-10 1976-03-17 Japan Broadcasting Corp
US4091379A (en) * 1976-05-03 1978-05-23 Litton Business Systems, Inc. Analog to digital wave shaping system
WO1980000774A1 (en) * 1978-09-28 1980-04-17 Eastman Kodak Co Electronic image enhancement
DE2906649C2 (de) * 1979-02-21 1981-02-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur Verbesserung der Bildschärfe in einem Fernsehempfänger
US4463381A (en) * 1980-04-16 1984-07-31 Eastman Kodak Company Image processing apparatus including a partitioned low pass channel
US4446484A (en) * 1981-04-16 1984-05-01 Eastman Kodak Company Image gradient detectors operating in a partitioned low-pass channel
DE3521991A1 (de) * 1985-06-20 1987-01-02 Thomson Brandt Gmbh Schaltung zur verbesserung der wiedergabe-bildschaerfe in einem videorecorder
USRE34176E (en) * 1986-10-20 1993-02-09 North American Philips Corporation Method and apparatus for improving the rise and fall time of a video signal
US4758891A (en) * 1986-10-20 1988-07-19 North American Philips Consumer Electronics Corp. Method and apparatus for improving the rise and fall time of a video signal
JPH01297980A (ja) * 1988-05-26 1989-12-01 Matsushita Electric Ind Co Ltd 輪郭改善回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377425A (en) * 1964-08-31 1968-04-09 Sarkes Tarzian Aperture correction circuit
US3641268A (en) * 1969-07-24 1972-02-08 Us Navy Real-time image contrast and edge sharpness enhancing apparatus
JPS472014U (it) * 1971-01-26 1972-08-23
JPS5140739Y2 (it) * 1971-07-30 1976-10-05

Also Published As

Publication number Publication date
CA1026457A (en) 1978-02-14
GB1482790A (en) 1977-08-17
US3980813A (en) 1976-09-14
JPS5093043A (it) 1975-07-24
DE2459681C3 (de) 1981-02-19
JPS5539948B2 (it) 1980-10-15
FR2254921A1 (it) 1975-07-11
NL7416225A (nl) 1975-06-19
DE2459681A1 (de) 1975-06-26
DE2459681B2 (de) 1980-06-04
FR2254921B1 (it) 1978-06-23

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