FR2389287A1 - Circuit de traitement de signaux video - Google Patents

Circuit de traitement de signaux video

Info

Publication number
FR2389287A1
FR2389287A1 FR7809806A FR7809806A FR2389287A1 FR 2389287 A1 FR2389287 A1 FR 2389287A1 FR 7809806 A FR7809806 A FR 7809806A FR 7809806 A FR7809806 A FR 7809806A FR 2389287 A1 FR2389287 A1 FR 2389287A1
Authority
FR
France
Prior art keywords
video signal
processing circuit
signal
signal processing
averaging
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.)
Granted
Application number
FR7809806A
Other languages
English (en)
Other versions
FR2389287B1 (fr
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.)
Sony Corp
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
Publication of FR2389287A1 publication Critical patent/FR2389287A1/fr
Application granted granted Critical
Publication of FR2389287B1 publication Critical patent/FR2389287B1/fr
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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0043—Wheels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0043—Wheels
    • A47B2210/0045—Wheels whereof only one per slide
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0051—Guide position
    • A47B2210/0059—Guide located at the side of the drawer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Picture Signal Circuits (AREA)

Abstract

a. Circuit de traitement de signaux vidéo comprenant une entrée recevant un signal vidéo et un circuit de retard pour retarder le signal vidéo d'entrée d'une période de balayage horizontale. b. Circuit de traitement caractérisé par un circuit de moyenne fournissant un signal de moyenne de la différence entre le signal vidéo d'entrée et le signal vidéo d'entrée retardé, un mélangeur pour mélanger le signal vidéo et le signal de moyenne ainsi qu'un circuit de sortie pour dériver le signal de sortie du mélangeur.
FR7809806A 1977-04-25 1978-04-03 Circuit de traitement de signaux video Granted FR2389287A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4678477A JPS53132214A (en) 1977-04-25 1977-04-25 Vertical aperture correction circuit

Publications (2)

Publication Number Publication Date
FR2389287A1 true FR2389287A1 (fr) 1978-11-24
FR2389287B1 FR2389287B1 (fr) 1983-11-10

Family

ID=12756947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7809806A Granted FR2389287A1 (fr) 1977-04-25 1978-04-03 Circuit de traitement de signaux video

Country Status (8)

Country Link
US (1) US4160265A (fr)
JP (1) JPS53132214A (fr)
AT (1) AT376857B (fr)
CA (1) CA1109957A (fr)
DE (1) DE2817932C2 (fr)
FR (1) FR2389287A1 (fr)
GB (1) GB1552590A (fr)
NL (1) NL7804403A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473240A1 (fr) * 1979-12-20 1981-07-10 Sony Corp Camera couleur comportant un circuit de correction d'ouverture verticale

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8101887A (nl) * 1981-04-16 1982-11-16 Philips Nv Televisie-opneeminrichting voorzien van een vaste-stof beeldopneempaneel.
US4663653A (en) * 1985-11-22 1987-05-05 Rca Corporation Vertical detail enhancer
US5293274A (en) * 1990-06-11 1994-03-08 Victor Company Of Japna, Ltd. Timebase axis error compensation apparatus in an information recording/reproduction apparatus
US5268860A (en) * 1990-09-17 1993-12-07 Victor Company Of Japan, Ltd. Image enhancement system
EP0497532B1 (fr) * 1991-01-29 1996-12-18 Victor Company Of Japan, Ltd. Système d'amélioration d'image

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219590A1 (fr) * 1973-02-28 1974-09-20 Bosch Fernsehanlagen
DE2518328B1 (de) * 1975-04-24 1976-07-08 Siemens Ag Verfahren und Schaltungsanordnung zur Konturkorrektur des Leuchtdichtesignals in einer Fernsehkamera

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE557724A (fr) * 1956-05-25
JPS517381B1 (fr) * 1970-10-14 1976-03-06
JPS4861734U (fr) * 1971-11-16 1973-08-06

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219590A1 (fr) * 1973-02-28 1974-09-20 Bosch Fernsehanlagen
US3946152A (en) * 1973-02-28 1976-03-23 Gerhard Illetschko Correction system for video signals having a limited amplitude range
DE2518328B1 (de) * 1975-04-24 1976-07-08 Siemens Ag Verfahren und Schaltungsanordnung zur Konturkorrektur des Leuchtdichtesignals in einer Fernsehkamera
US4086618A (en) * 1975-04-24 1978-04-25 Siemens Aktiengesellschaft Process and circuit arrangement for contour correction of the luminance signal in a television camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473240A1 (fr) * 1979-12-20 1981-07-10 Sony Corp Camera couleur comportant un circuit de correction d'ouverture verticale

Also Published As

Publication number Publication date
CA1109957A (fr) 1981-09-29
US4160265A (en) 1979-07-03
GB1552590A (en) 1979-09-12
JPS53132214A (en) 1978-11-17
DE2817932C2 (de) 1987-04-16
ATA297978A (de) 1984-05-15
NL7804403A (nl) 1978-10-27
DE2817932A1 (de) 1978-10-26
FR2389287B1 (fr) 1983-11-10
JPS622506B2 (fr) 1987-01-20
AT376857B (de) 1985-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse