JPS5093043A - - Google Patents

Info

Publication number
JPS5093043A
JPS5093043A JP48141644A JP14164473A JPS5093043A JP S5093043 A JPS5093043 A JP S5093043A JP 48141644 A JP48141644 A JP 48141644A JP 14164473 A JP14164473 A JP 14164473A JP S5093043 A JPS5093043 A JP S5093043A
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
JP48141644A
Other languages
Japanese (ja)
Other versions
JPS5539948B2 (en]
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
Priority to JP14164473A priority Critical patent/JPS5539948B2/ja
Priority to US05/531,050 priority patent/US3980813A/en
Priority to GB53785/74A priority patent/GB1482790A/en
Priority to NL7416225A priority patent/NL7416225A/xx
Priority to CA216,133A priority patent/CA1026457A/en
Priority to FR7441428A priority patent/FR2254921B1/fr
Priority to IT30667/74A priority patent/IT1027759B/it
Priority to DE2459681A priority patent/DE2459681C3/de
Publication of JPS5093043A publication Critical patent/JPS5093043A/ja
Publication of JPS5539948B2 publication Critical patent/JPS5539948B2/ja
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
JP14164473A 1973-12-17 1973-12-17 Expired JPS5539948B2 (en])

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP14164473A JPS5539948B2 (en]) 1973-12-17 1973-12-17
US05/531,050 US3980813A (en) 1973-12-17 1974-12-09 Aperture correction circuit
GB53785/74A GB1482790A (en) 1973-12-17 1974-12-12 Aperture correction circuits
NL7416225A NL7416225A (nl) 1973-12-17 1974-12-12 Openingscorrectieschakeling.
CA216,133A CA1026457A (en) 1973-12-17 1974-12-16 Aperture correction circuit
FR7441428A FR2254921B1 (en]) 1973-12-17 1974-12-16
IT30667/74A IT1027759B (it) 1973-12-17 1974-12-17 Circuito di correzine della apertura
DE2459681A DE2459681C3 (de) 1973-12-17 1974-12-17 Schaltungsanordnung zur Versteilerung von Signalsprüngen

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5093043A true JPS5093043A (en]) 1975-07-24
JPS5539948B2 JPS5539948B2 (en]) 1980-10-15

Family

ID=15296827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14164473A Expired JPS5539948B2 (en]) 1973-12-17 1973-12-17

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131120A (en]) * 1974-09-10 1976-03-17 Japan Broadcasting Corp
JPH01297980A (ja) * 1988-05-26 1989-12-01 Matsushita Electric Ind Co Ltd 輪郭改善回路

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091379A (en) * 1976-05-03 1978-05-23 Litton Business Systems, Inc. Analog to digital wave shaping system
DE2966353D1 (en) * 1978-09-28 1983-12-01 Kodak Ltd 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS472014U (en]) * 1971-01-26 1972-08-23
JPS4825617U (en]) * 1971-07-30 1973-03-27

Family Cites Families (2)

* 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS472014U (en]) * 1971-01-26 1972-08-23
JPS4825617U (en]) * 1971-07-30 1973-03-27

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131120A (en]) * 1974-09-10 1976-03-17 Japan Broadcasting Corp
JPH01297980A (ja) * 1988-05-26 1989-12-01 Matsushita Electric Ind Co Ltd 輪郭改善回路

Also Published As

Publication number Publication date
DE2459681A1 (de) 1975-06-26
US3980813A (en) 1976-09-14
GB1482790A (en) 1977-08-17
FR2254921B1 (en]) 1978-06-23
NL7416225A (nl) 1975-06-19
CA1026457A (en) 1978-02-14
DE2459681B2 (de) 1980-06-04
IT1027759B (it) 1978-12-20
DE2459681C3 (de) 1981-02-19
JPS5539948B2 (en]) 1980-10-15
FR2254921A1 (en]) 1975-07-11

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