NL188613C - Registratie- en weergeefsysteem voor videosignalen. - Google Patents

Registratie- en weergeefsysteem voor videosignalen.

Info

Publication number
NL188613C
NL188613C NLAANVRAGE7807015,A NL7807015A NL188613C NL 188613 C NL188613 C NL 188613C NL 7807015 A NL7807015 A NL 7807015A NL 188613 C NL188613 C NL 188613C
Authority
NL
Netherlands
Prior art keywords
registration
display system
video signals
video
signals
Prior art date
Application number
NLAANVRAGE7807015,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7807015A (nl
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NL7807015A publication Critical patent/NL7807015A/xx
Application granted granted Critical
Publication of NL188613C publication Critical patent/NL188613C/xx

Links

Classifications

    • 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
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NLAANVRAGE7807015,A 1977-06-29 1978-06-29 Registratie- en weergeefsysteem voor videosignalen. NL188613C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7815477A JPS5412714A (en) 1977-06-29 1977-06-29 Recorder-reproducer

Publications (2)

Publication Number Publication Date
NL7807015A NL7807015A (nl) 1979-01-03
NL188613C true NL188613C (nl) 1992-08-03

Family

ID=13653988

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7807015,A NL188613C (nl) 1977-06-29 1978-06-29 Registratie- en weergeefsysteem voor videosignalen.

Country Status (5)

Country Link
US (1) US4303952A (xx)
JP (1) JPS5412714A (xx)
DE (1) DE2828586C2 (xx)
GB (1) GB2000666B (xx)
NL (1) NL188613C (xx)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145111A (en) * 1978-05-02 1979-11-13 Sony Corp Video signal recorder-reproducer
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
DE2950764A1 (de) * 1979-12-17 1981-07-23 Basf Ag, 6700 Ludwigshafen Anordnung zur entzerrung eines breitbandsignals, insbesondere eines videosignals mit oder ohne farbinformation in einem signal-aufzeichnungs/wiedergabe-system
JPS56119908A (en) * 1980-02-25 1981-09-19 Hitachi Ltd Regenerative amplifying circuit
JPS5717240A (en) * 1980-07-04 1982-01-28 Hitachi Ltd Dynamic deemphasis circuit
JPS5793848A (en) * 1980-12-02 1982-06-11 Fuji Xerox Co Ltd Correcting apparatus for paper skew feed of copier
JPS57138009A (en) * 1981-02-20 1982-08-26 Hitachi Ltd Magnetic recorder and reproducer
JPS57166786A (en) * 1981-04-06 1982-10-14 Sony Corp Video signal processing circuit
EP0077010B1 (de) * 1981-10-14 1986-03-12 TELEFUNKEN Fernseh und Rundfunk GmbH Schaltung zur Versteilerung der Flanken eines Videosignals, insbesondere für einen Videorecorder
JPS5880990A (ja) * 1981-11-09 1983-05-16 Matsushita Electric Ind Co Ltd カラーテレビジョン信号の記録再生方法
US4612585A (en) * 1982-09-10 1986-09-16 Hitachi, Ltd. Chrominance signal recording and reproducing apparatus
US4525011A (en) * 1982-09-20 1985-06-25 American Standard Inc. Vigilance safety control system
JPS5956204A (ja) * 1982-09-25 1984-03-31 Victor Co Of Japan Ltd 記録再生装置
JPS59104885A (ja) * 1982-12-08 1984-06-16 Matsushita Electric Ind Co Ltd 記録再生装置の信号処理回路
JPS59144288A (ja) * 1983-02-07 1984-08-18 Victor Co Of Japan Ltd 映像信号記録再生装置
JPS6030295A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 搬送色信号の記録再生装置
JPS6030296A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 映像信号記録装置及び映像信号記録再生装置
JPS6030285A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 映像信号記録再生装置
JPS6093682A (ja) * 1983-10-25 1985-05-25 Sony Corp デイジタル非線形プリエンフアシス回路
DE3516913C1 (de) * 1985-05-10 1986-10-02 Philips Patentverwaltung Gmbh, 2000 Hamburg Automatische FM-Seitenband-Pegelregelung fuer Video-Recorder
JPS61142894A (ja) * 1985-10-18 1986-06-30 Hitachi Ltd クロマ信号の記録装置
JPH0656967B2 (ja) * 1986-01-27 1994-07-27 日本放送協会 エンファシス方式
JPH0810533B2 (ja) * 1988-10-20 1996-01-31 日本ビクター株式会社 磁気再生装置
US5257109A (en) * 1990-07-02 1993-10-26 Akai Electric Co., Ltd. Magnetic recording and reproducing apparatus
JPH04302541A (ja) * 1991-03-29 1992-10-26 Sony Corp エンファシス装置
WO1998010590A1 (fr) * 1996-09-02 1998-03-12 Sony Corporation Dispositif et procede de transmission d'un signal video

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248704B (xx) * 1967-08-31
US3346703A (en) * 1964-03-13 1967-10-10 Minnesota Mining & Mfg Two track transducing system with means to extend dynamic range
US3288930A (en) * 1964-11-12 1966-11-29 Winston Res Corp Wide-band signal-translating channel
CH505505A (fr) * 1968-12-26 1971-03-31 Kudelski Stefan Utilisation d'un circuit électronique constituant une impédance non-linéaire et variable
US3659042A (en) * 1969-10-06 1972-04-25 Westinghouse Electric Corp Wide deviation magnetic recording techniques
US3840890A (en) * 1972-05-30 1974-10-08 Capintec Inc Apparatus for recording and reproducing analog data
US3944853A (en) * 1974-08-12 1976-03-16 Basf Aktiengesellschaft Video recorder pre-emphasis, de-emphasis circuits
JPS52107816A (en) * 1976-03-05 1977-09-09 Nakamichi Kenkyusho Circuit for reproducing tape recorder
JPS606034B2 (ja) * 1976-07-06 1985-02-15 ソニー株式会社 磁気記録装置
JPS53106109A (en) * 1977-02-28 1978-09-14 Sony Corp Vedio signal transmitting circuit

Also Published As

Publication number Publication date
GB2000666B (en) 1982-09-29
DE2828586C2 (de) 1982-10-14
US4303952A (en) 1981-12-01
JPS5412714A (en) 1979-01-30
GB2000666A (en) 1979-01-10
JPS6151346B2 (xx) 1986-11-08
NL7807015A (nl) 1979-01-03
DE2828586A1 (de) 1979-01-18

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Legal Events

Date Code Title Description
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

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