DE68918732T2 - Signalwiedergabekreis und Signalwiedergabemethode für einen optischen Plattenspieler. - Google Patents

Signalwiedergabekreis und Signalwiedergabemethode für einen optischen Plattenspieler.

Info

Publication number
DE68918732T2
DE68918732T2 DE68918732T DE68918732T DE68918732T2 DE 68918732 T2 DE68918732 T2 DE 68918732T2 DE 68918732 T DE68918732 T DE 68918732T DE 68918732 T DE68918732 T DE 68918732T DE 68918732 T2 DE68918732 T2 DE 68918732T2
Authority
DE
Germany
Prior art keywords
signal reproduction
reproduction circuit
optical turntable
turntable
optical
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 - Fee Related
Application number
DE68918732T
Other languages
English (en)
Other versions
DE68918732D1 (de
Inventor
Tooru Sasaki
Nobukazu Hosoya
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE68918732D1 publication Critical patent/DE68918732D1/de
Application granted granted Critical
Publication of DE68918732T2 publication Critical patent/DE68918732T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • H04N9/8205—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 involving the multiplexing of an additional signal and the colour video signal
    • H04N9/8211—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 involving the multiplexing of an additional signal and the colour video signal the additional signal being a sound signal
    • H04N9/8216—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 involving the multiplexing of an additional signal and the colour video signal the additional signal being a sound signal using time division multiplex
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE68918732T 1988-03-11 1989-03-09 Signalwiedergabekreis und Signalwiedergabemethode für einen optischen Plattenspieler. Expired - Fee Related DE68918732T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63058614A JP2614482B2 (ja) 1988-03-11 1988-03-11 光学式デイスクプレーヤの信号再生回路

Publications (2)

Publication Number Publication Date
DE68918732D1 DE68918732D1 (de) 1994-11-17
DE68918732T2 true DE68918732T2 (de) 1995-05-18

Family

ID=13089423

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68918732T Expired - Fee Related DE68918732T2 (de) 1988-03-11 1989-03-09 Signalwiedergabekreis und Signalwiedergabemethode für einen optischen Plattenspieler.

Country Status (6)

Country Link
US (1) US5073886A (de)
EP (1) EP0332193B1 (de)
JP (1) JP2614482B2 (de)
KR (1) KR0129756B1 (de)
CA (1) CA1319193C (de)
DE (1) DE68918732T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02192074A (ja) * 1989-01-19 1990-07-27 Sanyo Electric Co Ltd 高域ノイズ軽減回路
US5414663A (en) * 1992-07-09 1995-05-09 Creative Integrated Systems, Inc. VLSI memory with an improved sense amplifier with dummy bit lines for modeling addressable bit lines
JPH04258814A (ja) * 1991-02-13 1992-09-14 Sharp Corp 光再生装置
JP2730494B2 (ja) * 1994-10-28 1998-03-25 日本電気株式会社 光ディスク装置
DE19723542A1 (de) * 1997-06-05 1998-12-10 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP4036515B2 (ja) * 1997-12-22 2008-01-23 松下電器産業株式会社 光ディスク装置
US6128359A (en) * 1998-10-27 2000-10-03 Intel Corporation Phase difference magnifier
JP3691271B2 (ja) * 1999-01-21 2005-09-07 パイオニア株式会社 ディスクプレーヤ
KR100561454B1 (ko) 1999-05-03 2006-03-16 삼성전자주식회사 시간 지연을 보상한 재생 신호 검출방법 및 그 회로
KR100708066B1 (ko) 1999-09-21 2007-04-16 삼성전자주식회사 재생 신호 검출 방법 및 그 장치
JP3747241B2 (ja) * 2002-01-17 2006-02-22 独立行政法人情報通信研究機構 可変光遅延装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7813460L (sv) * 1978-03-27 1979-09-28 Mca Disco Vision Videoskivspelare
NL8000123A (nl) * 1980-01-09 1981-08-03 Philips Nv Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager.
JPS6116053A (ja) * 1984-07-03 1986-01-24 Canon Inc 光学式情報再生装置
JPS61104337A (ja) * 1984-10-24 1986-05-22 Hitachi Ltd 光学的情報記録再生装置
JPH063648B2 (ja) * 1986-01-16 1994-01-12 松下電器産業株式会社 光学的情報再生装置
JPS6325832A (ja) * 1986-07-16 1988-02-03 Pioneer Electronic Corp 光学式情報読取装置のｒｆ信号生成回路
JPH0721865B2 (ja) * 1986-08-29 1995-03-08 パイオニア株式会社 光学式記録情報読取装置

Also Published As

Publication number Publication date
US5073886A (en) 1991-12-17
EP0332193A3 (de) 1991-10-23
DE68918732D1 (de) 1994-11-17
KR0129756B1 (en) 1998-04-17
EP0332193B1 (de) 1994-10-12
JP2614482B2 (ja) 1997-05-28
JPH01232540A (ja) 1989-09-18
CA1319193C (en) 1993-06-15
KR890015213A (ko) 1989-10-28
EP0332193A2 (de) 1989-09-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee