FR2337978A1 - VIDEO SIGNAL PROCESSING CIRCUIT - Google Patents

VIDEO SIGNAL PROCESSING CIRCUIT

Info

Publication number
FR2337978A1
FR2337978A1 FR7700768A FR7700768A FR2337978A1 FR 2337978 A1 FR2337978 A1 FR 2337978A1 FR 7700768 A FR7700768 A FR 7700768A FR 7700768 A FR7700768 A FR 7700768A FR 2337978 A1 FR2337978 A1 FR 2337978A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7700768A
Other languages
French (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 FR2337978A1 publication Critical patent/FR2337978A1/en
Withdrawn legal-status Critical Current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
FR7700768A 1976-01-12 1977-01-12 VIDEO SIGNAL PROCESSING CIRCUIT Withdrawn FR2337978A1 (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
FR2337978A1 true FR2337978A1 (en) 1977-08-05

Family

ID=11532008

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700768A Withdrawn FR2337978A1 (en) 1976-01-12 1977-01-12 VIDEO SIGNAL PROCESSING CIRCUIT

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451675A1 (en) * 1979-03-14 1980-10-10 Rca Corp SIGNAL TRANSMISSION SYSTEM WITH PRE-ACCENTUATION CIRCUIT AND CLIPPING MEANS FOR REDUCING DISTORTIONS

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077010B1 (en) * 1981-10-14 1986-03-12 TELEFUNKEN Fernseh und Rundfunk GmbH Circuit for reducing the rise-time of the flanks of a video signal, in particular for a video recorder
DE3307014A1 (en) * 1983-02-28 1984-08-30 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Circuit for improving the image sharpness in a video recorder
DE3430480C2 (en) * 1984-08-18 1993-11-18 Grundig Emv Circuit for predistorting a video signal in frequency-modulated recording

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813559A (en) * 1972-03-30 1974-05-28 Philips Corp Noise reduction circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813559A (en) * 1972-03-30 1974-05-28 Philips Corp Noise reduction circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451675A1 (en) * 1979-03-14 1980-10-10 Rca Corp SIGNAL TRANSMISSION SYSTEM WITH PRE-ACCENTUATION CIRCUIT AND CLIPPING MEANS FOR REDUCING DISTORTIONS

Also Published As

Publication number Publication date
DE2700874A1 (en) 1977-07-21
AT351088B (en) 1979-07-10
ATA13977A (en) 1978-12-15
NL7700227A (en) 1977-07-14
JPS5286010A (en) 1977-07-16
GB1538692A (en) 1979-01-24

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Legal Events

Date Code Title Description
ST Notification of lapse