AT351088B - Videosignalaufbereitungsschaltung - Google Patents

Videosignalaufbereitungsschaltung

Info

Publication number
AT351088B
AT351088B AT13977A AT13977A AT351088B AT 351088 B AT351088 B AT 351088B AT 13977 A AT13977 A AT 13977A AT 13977 A AT13977 A AT 13977A AT 351088 B AT351088 B AT 351088B
Authority
AT
Austria
Prior art keywords
signal processing
video signal
processing circuit
circuit
video
Prior art date
Application number
AT13977A
Other languages
English (en)
Other versions
ATA13977A (de
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 ATA13977A publication Critical patent/ATA13977A/de
Application granted granted Critical
Publication of AT351088B publication Critical patent/AT351088B/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923Transformation 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record 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
    • G11B23/0007Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18Combinations 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)
AT13977A 1976-01-12 1977-01-12 Videosignalaufbereitungsschaltung AT351088B (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA13977A ATA13977A (de) 1978-12-15
AT351088B true AT351088B (de) 1979-07-10

Family

ID=11532008

Family Applications (1)

Application Number Title Priority Date Filing Date
AT13977A AT351088B (de) 1976-01-12 1977-01-12 Videosignalaufbereitungsschaltung

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2044587A (en) * 1979-03-14 1980-10-15 Rca Corp Preemphasis and clipping apparatus for reducing distortions
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 (de) * 1972-03-30 1973-03-26

Also Published As

Publication number Publication date
JPS5286010A (en) 1977-07-16
NL7700227A (nl) 1977-07-14
GB1538692A (en) 1979-01-24
FR2337978A1 (fr) 1977-08-05
DE2700874A1 (de) 1977-07-21
ATA13977A (de) 1978-12-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EENE Nomination of inventor
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties