DE2446969C3 - - Google Patents

Info

Publication number
DE2446969C3
DE2446969C3 DE2446969A DE2446969A DE2446969C3 DE 2446969 C3 DE2446969 C3 DE 2446969C3 DE 2446969 A DE2446969 A DE 2446969A DE 2446969 A DE2446969 A DE 2446969A DE 2446969 C3 DE2446969 C3 DE 2446969C3
Authority
DE
Germany
Prior art keywords
signal
input
aperture correction
pass filter
bandwidth
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
DE2446969A
Other languages
German (de)
English (en)
Other versions
DE2446969B2 (de
DE2446969A1 (de
Inventor
Jan August Marcel Hofman
Sing Liong Tan
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE2446969A1 publication Critical patent/DE2446969A1/de
Publication of DE2446969B2 publication Critical patent/DE2446969B2/de
Application granted granted Critical
Publication of DE2446969C3 publication Critical patent/DE2446969C3/de
Granted 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)
  • Color Television Image Signal Generators (AREA)
DE2446969A 1973-10-06 1974-10-02 Aperturkorrekturschaltung fur Fernsehen Granted DE2446969B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7313754A NL7313754A (nl) 1973-10-06 1973-10-06 Apertuurkorrektieschakeling voor televisie.

Publications (3)

Publication Number Publication Date
DE2446969A1 DE2446969A1 (de) 1975-04-17
DE2446969B2 DE2446969B2 (de) 1979-05-03
DE2446969C3 true DE2446969C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-12-20

Family

ID=19819755

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2446969A Granted DE2446969B2 (de) 1973-10-06 1974-10-02 Aperturkorrekturschaltung fur Fernsehen

Country Status (8)

Country Link
US (1) US3952327A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5340416B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1023840A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2446969B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2247040A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1480516A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1020928B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7313754A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7511784A (nl) * 1975-03-24 1977-04-13 Philips Nv Werkwijze en inrichting voor het maken van een videoplaat.
DE2518247C3 (de) * 1975-04-24 1978-04-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Schaltungsanordnung zum Decodieren des Ausgangssignals einer Bildaufnahmeröhre in einer Einröhren-Farbfernsehkamera
US4176373A (en) * 1977-07-06 1979-11-27 Eastman Kodak Company Signal processing for discrete-sample-type-color-video signal
NL8100604A (nl) * 1981-02-09 1982-09-01 Philips Nv Videosignaalverwerkingsschakeling voor een kleurentelevisie-ontvanger.
US4402006A (en) * 1981-02-23 1983-08-30 Karlock James A Image enhancer apparatus
DE3226432A1 (de) * 1981-10-14 1984-01-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur versteilerung der flanken eines videosignals
GB8608811D0 (en) * 1986-04-11 1986-05-14 Avesco Plc Video comb filter digital decoder
US4962419A (en) * 1989-02-13 1990-10-09 Eastman Kodak Company Detail processing method and apparatus providing uniform processing of horizontal and vertical detail components
CN101998031B (zh) * 2009-08-21 2012-06-27 凌阳科技股份有限公司 在缩放器中去除视频信号的振铃噪声的滤波系统及方法
EP3404231B1 (en) 2016-03-04 2021-05-05 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. Turbocharger

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3030440A (en) * 1958-11-12 1962-04-17 Rca Corp Vertical aperture correction
NL6604020A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1966-03-26 1967-09-27

Also Published As

Publication number Publication date
NL7313754A (nl) 1975-04-08
JPS5340416B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-10-27
GB1480516A (en) 1977-07-20
DE2446969B2 (de) 1979-05-03
CA1023840A (en) 1978-01-03
JPS5067025A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-06-05
US3952327A (en) 1976-04-20
FR2247040A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-05-02
IT1020928B (it) 1977-12-30
AU7398274A (en) 1976-04-08
DE2446969A1 (de) 1975-04-17

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee