DE3484044D1 - Vorrichtung zum ermitteln eines signalausfalls in einem magnetischen aufname/wiedergabegeraet. - Google Patents

Vorrichtung zum ermitteln eines signalausfalls in einem magnetischen aufname/wiedergabegeraet.

Info

Publication number
DE3484044D1
DE3484044D1 DE8484111764T DE3484044T DE3484044D1 DE 3484044 D1 DE3484044 D1 DE 3484044D1 DE 8484111764 T DE8484111764 T DE 8484111764T DE 3484044 T DE3484044 T DE 3484044T DE 3484044 D1 DE3484044 D1 DE 3484044D1
Authority
DE
Germany
Prior art keywords
detecting
magnetic recording
signal failure
playback device
playback
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 - Lifetime
Application number
DE8484111764T
Other languages
English (en)
Inventor
Shigeyuki Itoh
Yoshizumi Watatani
Katsuo Mohri
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3484044D1 publication Critical patent/DE3484044D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/802—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving processing of the sound signal
    • 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
    • G11B20/02—Analogue recording or reproducing
    • G11B20/025—Error detection or correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/835—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal involving processing of the sound signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
DE8484111764T 1983-10-19 1984-10-02 Vorrichtung zum ermitteln eines signalausfalls in einem magnetischen aufname/wiedergabegeraet. Expired - Lifetime DE3484044D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58194297A JPS6087469A (ja) 1983-10-19 1983-10-19 ドロップアウト補償装置

Publications (1)

Publication Number Publication Date
DE3484044D1 true DE3484044D1 (de) 1991-03-07

Family

ID=16322248

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484111764T Expired - Lifetime DE3484044D1 (de) 1983-10-19 1984-10-02 Vorrichtung zum ermitteln eines signalausfalls in einem magnetischen aufname/wiedergabegeraet.

Country Status (4)

Country Link
US (1) US4604659A (de)
EP (1) EP0140192B1 (de)
JP (1) JPS6087469A (de)
DE (1) DE3484044D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0634309B2 (ja) * 1984-08-29 1994-05-02 パイオニア株式会社 クロツク生成回路
NL8601844A (nl) * 1986-07-15 1988-02-01 Philips Nv Demodulatorschakeling.
JPS63110895A (ja) * 1986-10-28 1988-05-16 Mitsubishi Electric Corp 映像信号磁気記録再生装置
JPS63305686A (ja) * 1987-06-08 1988-12-13 Sony Corp ドロップアウト検出回路
JPH0916200A (ja) * 1995-06-30 1997-01-17 Olympus Optical Co Ltd 音声記録再生装置
JP4633890B2 (ja) * 2000-07-27 2011-02-16 テンパール工業株式会社 把握式の零相変流器を用いた実効漏電計
JP6191796B1 (ja) 2017-02-10 2017-09-06 ソニー株式会社 バッテリー及び接続機器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679814A (en) * 1970-02-16 1972-07-25 Minnesota Mining & Mfg Dropout compensator for color television
GB1531214A (en) * 1974-11-18 1978-11-08 Rca Corp Squelch circuit
JPS582625B2 (ja) * 1978-08-31 1983-01-18 ティーディーケイ株式会社 ドロップアウト位置マ−キング装置
US4203134A (en) * 1978-10-02 1980-05-13 Rca Corporation FM Signal demodulator with defect detection
JPS56143507A (en) * 1980-04-09 1981-11-09 Toshiba Corp Voice dropout compensation device
JPS56147576A (en) * 1980-04-18 1981-11-16 Pioneer Video Corp Dropout compensating circuit for audio signal
JPS5746306A (en) * 1980-09-03 1982-03-16 Hitachi Ltd Aural signal muting circuit of magnetic recorder and reproducer
US4353093A (en) * 1981-05-11 1982-10-05 Rca Corporation Impulse noise reduction system for TV receivers
JPS5832208A (ja) * 1981-08-17 1983-02-25 Nec Corp 信号レベル検出回路
NL8105095A (nl) * 1981-11-11 1983-06-01 Philips Nv Schakeling voor het omzetten van een informatiesignaal in een rechthoekvormig signaal.

Also Published As

Publication number Publication date
EP0140192A2 (de) 1985-05-08
JPS6087469A (ja) 1985-05-17
JPH0326469B2 (de) 1991-04-10
US4604659A (en) 1986-08-05
EP0140192B1 (de) 1991-01-30
EP0140192A3 (en) 1988-01-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition