GB1538692A - Video signal processing circuit - Google Patents

Video signal processing circuit

Info

Publication number
GB1538692A
GB1538692A GB98177A GB98177A GB1538692A GB 1538692 A GB1538692 A GB 1538692A GB 98177 A GB98177 A GB 98177A GB 98177 A GB98177 A GB 98177A GB 1538692 A GB1538692 A GB 1538692A
Authority
GB
United Kingdom
Prior art keywords
signal processing
video signal
processing circuit
circuit
video
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
GB98177A
Other languages
English (en)
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 GB1538692A publication Critical patent/GB1538692A/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
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Television Signal Processing For Recording (AREA)
GB98177A 1976-01-12 1977-01-11 Video signal processing circuit Expired GB1538692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP253376A JPS5286010A (en) 1976-01-12 1976-01-12 Pre-emphasis circuit

Publications (1)

Publication Number Publication Date
GB1538692A true GB1538692A (en) 1979-01-24

Family

ID=11532008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB98177A Expired GB1538692A (en) 1976-01-12 1977-01-11 Video signal processing circuit

Country Status (6)

Country Link
JP (1) JPS5286010A (nl)
AT (1) AT351088B (nl)
DE (1) DE2700874A1 (nl)
FR (1) FR2337978A1 (nl)
GB (1) GB1538692A (nl)
NL (1) NL7700227A (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124338A (en) * 1979-03-14 1980-09-25 Rca Corp Signal strain attenuating device
EP0077010B1 (de) * 1981-10-14 1986-03-12 TELEFUNKEN Fernseh und Rundfunk GmbH Schaltung zur Versteilerung der Flanken eines Videosignals, insbesondere für einen Videorecorder
DE3307014A1 (de) * 1983-02-28 1984-08-30 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Schaltung zur verbesserung der bildschaerfe bei einem videorecorder
DE3430480C2 (de) * 1984-08-18 1993-11-18 Grundig Emv Schaltung zur Vorverzerrung eines Videosignals bei der frequenzmodulierten Aufzeichnung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7204290A (nl) * 1972-03-30 1973-03-26

Also Published As

Publication number Publication date
ATA13977A (de) 1978-12-15
NL7700227A (nl) 1977-07-14
DE2700874A1 (de) 1977-07-21
AT351088B (de) 1979-07-10
FR2337978A1 (fr) 1977-08-05
JPS5286010A (en) 1977-07-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940111