JPS6026604U - video disc modulator - Google Patents

video disc modulator

Info

Publication number
JPS6026604U
JPS6026604U JP1983119400U JP11940083U JPS6026604U JP S6026604 U JPS6026604 U JP S6026604U JP 1983119400 U JP1983119400 U JP 1983119400U JP 11940083 U JP11940083 U JP 11940083U JP S6026604 U JPS6026604 U JP S6026604U
Authority
JP
Japan
Prior art keywords
modulator
output
modulation
video disc
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.)
Granted
Application number
JP1983119400U
Other languages
Japanese (ja)
Other versions
JPH0341323Y2 (en
Inventor
良次 東
野村　知
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP1983119400U priority Critical patent/JPS6026604U/en
Priority to EP19830304991 priority patent/EP0107295B1/en
Priority to US06/527,721 priority patent/US4683502A/en
Priority to DE8383304991T priority patent/DE3381815D1/en
Priority to KR2019840006829U priority patent/KR890007400Y1/en
Priority to GB08419209A priority patent/GB2144942B/en
Priority to FR8412093A priority patent/FR2549994A1/en
Publication of JPS6026604U publication Critical patent/JPS6026604U/en
Application granted granted Critical
Publication of JPH0341323Y2 publication Critical patent/JPH0341323Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • 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
    • H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
    • H04N5/9202—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a sound signal
    • H04N5/9204—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a sound signal using frequency division multiplex
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のビデオディスク変調装置の構成を示すブ
ロック図、第２図はこの考案のビデオディスク変調装置
の一実施例の構成を示すブロック図、第３図ａは同上実
施例におけるビデオ変調器の周波数スペクトラムを示す
図、第３図すは同上実施例における加算器の出力の周波
数スペクトラムを示す図である。 ２１・・・ビデオ変調器、２２・・・オーディオ変調器
、２３・・・フィルタ、２４・・・加算器、２５・・・
す、ミッタ、２６・・・ＰＣＭ変調器。FIG. 1 is a block diagram showing the configuration of a conventional video disc modulation device, FIG. 2 is a block diagram showing the configuration of an embodiment of the video disc modulation device of this invention, and FIG. FIG. 3 is a diagram showing the frequency spectrum of the output of the adder in the same embodiment as above. 21... Video modulator, 22... Audio modulator, 23... Filter, 24... Adder, 25...
S, Mitter, 26... PCM modulator.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ビデオディスクにおいて、画像信号をＦＭ変調す
るビデオ変調器と、このビデオ変調器で変調された高周
波信号を処理するためのフィルタと、音声信号をＦＭ変
調するオーディオ変調器と、上記フィルタの出力および
オーディオ変調器の出力を加算する加算器と、この加算
器の出力をパルス幅変調で多重化を行うためのリミッタ
とを備えてなるビデオディスク変調装置。(1) In a video disc, a video modulator that performs FM modulation on an image signal, a filter for processing a high frequency signal modulated by the video modulator, an audio modulator that performs FM modulation on an audio signal, and a filter for processing the high frequency signal modulated by the video modulator; A video disc modulation device comprising an adder for adding an output and an output of an audio modulator, and a limiter for multiplexing the output of the adder by pulse width modulation. （２）加算器は、上記フィルタの出力とオーディオ変調
器の出力および音声信号をＰＣＭ変調する変調器の出力
を加算することを特徴とする実用新案登録請求の範囲第
１項記載のビデオディスク変調装置。(2) The video disc modulation according to claim 1, wherein the adder adds the output of the filter, the output of the audio modulator, and the output of a modulator that performs PCM modulation on the audio signal. Device.
JP1983119400U 1982-08-30 1983-07-30 video disc modulator Granted JPS6026604U (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1983119400U JPS6026604U (en) 1983-07-30 1983-07-30 video disc modulator
EP19830304991 EP0107295B1 (en) 1982-08-30 1983-08-30 Video disc type recording and reproducing system
US06/527,721 US4683502A (en) 1982-08-30 1983-08-30 Video disc type recording and reproducing system with interference reduction filter
DE8383304991T DE3381815D1 (en) 1982-08-30 1983-08-30 VIDEO DISK RECORDING AND PLAYBACK SYSTEM.
KR2019840006829U KR890007400Y1 (en) 1983-07-30 1984-07-16 Video disk modulator device
GB08419209A GB2144942B (en) 1983-07-30 1984-07-27 Video disk modulator device
FR8412093A FR2549994A1 (en) 1983-07-30 1984-07-30 MODULATOR DEVICE FOR VIDEODISKS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983119400U JPS6026604U (en) 1983-07-30 1983-07-30 video disc modulator

Publications (2)

Publication Number Publication Date
JPS6026604U true JPS6026604U (en) 1985-02-22
JPH0341323Y2 JPH0341323Y2 (en) 1991-08-30

Family

ID=14760553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983119400U Granted JPS6026604U (en) 1982-08-30 1983-07-30 video disc modulator

Country Status (4)

Country Link
JP (1) JPS6026604U (en)
KR (1) KR890007400Y1 (en)
FR (1) FR2549994A1 (en)
GB (1) GB2144942B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2580117B2 (en) * 1985-12-18 1997-02-12 ソニー株式会社 Sound field expansion device for playback device
GB2189963B (en) * 1986-03-14 1989-12-13 Pioneer Electronic Corp Video disk and recording and reproduction devices therefore

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135308A (en) * 1979-04-09 1980-10-22 Mitsubishi Electric Corp Recording method for information to recording carrier
JPS5674803A (en) * 1979-11-20 1981-06-20 Sony Corp Recording/reproducing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303426A1 (en) * 1975-03-04 1976-10-01 Thomson Brandt PROCESS FOR PROTECTION AGAINST DEEP BLOODING OF TRANSMISSION CHANNELS, RECORDINGS AND EQUIPMENT FOLLOWING THIS PROCESS
JPS5669984A (en) * 1979-11-10 1981-06-11 Toshiba Corp Magnetic recording and reproducing device
DE3110968A1 (en) * 1981-03-20 1982-09-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt VIDEO RECORDER FOR RECORDING AN IMAGE CARRIER FREQUENCY-MODULATED WITH THE VIDEO SIGNAL

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135308A (en) * 1979-04-09 1980-10-22 Mitsubishi Electric Corp Recording method for information to recording carrier
JPS5674803A (en) * 1979-11-20 1981-06-20 Sony Corp Recording/reproducing method

Also Published As

Publication number Publication date
KR890007400Y1 (en) 1989-10-25
GB2144942A (en) 1985-03-13
FR2549994A1 (en) 1985-02-01
GB2144942B (en) 1987-04-29
JPH0341323Y2 (en) 1991-08-30
GB8419209D0 (en) 1984-08-30
KR850008137U (en) 1985-10-26

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