GB1291801A - Circuits for producing a contour enhancement signal for television image transmitters - Google Patents

Circuits for producing a contour enhancement signal for television image transmitters

Info

Publication number
GB1291801A
GB1291801A GB01133/71A GB1113371A GB1291801A GB 1291801 A GB1291801 A GB 1291801A GB 01133/71 A GB01133/71 A GB 01133/71A GB 1113371 A GB1113371 A GB 1113371A GB 1291801 A GB1291801 A GB 1291801A
Authority
GB
United Kingdom
Prior art keywords
signal
contour enhancement
delay
delayed
circuits
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
GB01133/71A
Other languages
English (en)
Inventor
Helmut Radecke
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Publication of GB1291801A publication Critical patent/GB1291801A/en
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)
GB01133/71A 1970-04-29 1971-04-23 Circuits for producing a contour enhancement signal for television image transmitters Expired GB1291801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2020861A DE2020861B2 (de) 1970-04-29 1970-04-29 Schaltung zur vertikalen Aperturkorrektur für Fernsehbildgeber

Publications (1)

Publication Number Publication Date
GB1291801A true GB1291801A (en) 1972-10-04

Family

ID=5769692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB01133/71A Expired GB1291801A (en) 1970-04-29 1971-04-23 Circuits for producing a contour enhancement signal for television image transmitters

Country Status (6)

Country Link
US (1) US3708753A (enExample)
BE (1) BE764674A (enExample)
DE (1) DE2020861B2 (enExample)
FR (1) FR2086440B1 (enExample)
GB (1) GB1291801A (enExample)
NL (1) NL7105789A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538869B2 (enExample) * 1972-07-13 1980-10-07
US4023563A (en) * 1975-09-22 1977-05-17 American Home Products Corporation Apparatus and method for determining onset times of pulses and use thereof in computing interarterial blood pressure electromechanical interval
JPS55109077A (en) * 1979-02-15 1980-08-21 Sony Corp Producing circuit of aperture correction signal
DE3777091D1 (de) * 1986-11-14 1992-04-09 Philips Corp Verfahren und schaltung zur erzeugung eines anpassungsfaehigen anhebungssignals zur vergroesserung der schaerfe eines videosignals.
US4972262A (en) * 1988-10-27 1990-11-20 Honeywell Inc. Real time edge detection
DE10129917A1 (de) * 2001-06-21 2003-01-02 Micronas Gmbh Verfahren und Vorrichtung zur Darstellung eines Fernsehbildes oder Monitorbildes auf einem Bildschirm

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757236A (en) * 1955-08-01 1956-07-31 Rca Corp Vertical aperture compensation for cathode ray apparatus
US3153207A (en) * 1961-10-31 1964-10-13 Bell Telephone Labor Inc Means for improving the quality of received television images
GB1110319A (en) * 1965-05-03 1968-04-18 British Broadcasting Corp Apparatus for processing television signals
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

Also Published As

Publication number Publication date
FR2086440B1 (enExample) 1975-07-04
FR2086440A1 (enExample) 1971-12-31
NL7105789A (enExample) 1971-11-02
DE2020861B2 (de) 1975-10-30
DE2020861A1 (de) 1971-11-18
US3708753A (en) 1973-01-02
BE764674A (fr) 1971-08-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee