KR910002753B1 - 보호스크린을 갖춘 레이저-레코드 플레이어 - Google Patents

보호스크린을 갖춘 레이저-레코드 플레이어 Download PDF

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Publication number
KR910002753B1
KR910002753B1 KR1019870700191A KR870700191A KR910002753B1 KR 910002753 B1 KR910002753 B1 KR 910002753B1 KR 1019870700191 A KR1019870700191 A KR 1019870700191A KR 870700191 A KR870700191 A KR 870700191A KR 910002753 B1 KR910002753 B1 KR 910002753B1
Authority
KR
South Korea
Prior art keywords
record
laser
screen
mode
screen device
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
Application number
KR1019870700191A
Other languages
English (en)
Korean (ko)
Other versions
KR880700393A (ko
Inventor
베르트 퀸 한스-로
Original Assignee
도이체 톰손-브란트 게엠베하
롤프-디이터 베르거
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 도이체 톰손-브란트 게엠베하, 롤프-디이터 베르거 filed Critical 도이체 톰손-브란트 게엠베하
Publication of KR880700393A publication Critical patent/KR880700393A/ko
Application granted granted Critical
Publication of KR910002753B1 publication Critical patent/KR910002753B1/ko
Expired legal-status Critical Current

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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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
KR1019870700191A 1985-07-05 1986-07-02 보호스크린을 갖춘 레이저-레코드 플레이어 Expired KR910002753B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19853524048 DE3524048A1 (de) 1985-07-05 1985-07-05 Laser-plattenspieler mit einer schutzblende
DEP3524048.2 1985-07-05
PCT/EP1986/000393 WO1987000333A1 (fr) 1985-07-05 1986-07-02 Platine tourne-disques a laser pourvue d'un cache de protection

Publications (2)

Publication Number Publication Date
KR880700393A KR880700393A (ko) 1988-03-15
KR910002753B1 true KR910002753B1 (ko) 1991-05-04

Family

ID=6275025

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870700191A Expired KR910002753B1 (ko) 1985-07-05 1986-07-02 보호스크린을 갖춘 레이저-레코드 플레이어

Country Status (5)

Country Link
EP (1) EP0230466B1 (enExample)
JP (1) JPS62502007A (enExample)
KR (1) KR910002753B1 (enExample)
DE (2) DE3524048A1 (enExample)
WO (1) WO1987000333A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3921982C2 (de) * 1988-07-05 1994-06-30 Samsung Electronics Co Ltd Abtasteinrichtung für optische Plattenabspielgeräte

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL173696C (nl) * 1975-09-11 1984-02-16 Philips Nv Optische platenspeler.
NL182609C (nl) * 1977-02-10 1988-04-05 Philips Nv Videoplatenspeler.
NL8004379A (nl) * 1980-07-31 1982-03-01 Philips Nv Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie op een roterende informatieschijf.
JPS57181401A (en) * 1981-05-01 1982-11-08 Toshiba Corp Optical information processor
JPS5971141A (ja) * 1982-10-14 1984-04-21 Mitsubishi Electric Corp 光学的信号読出し装置

Also Published As

Publication number Publication date
KR880700393A (ko) 1988-03-15
JPH0427634B2 (enExample) 1992-05-12
WO1987000333A1 (fr) 1987-01-15
DE3669218D1 (de) 1990-04-05
EP0230466B1 (de) 1990-02-28
JPS62502007A (ja) 1987-08-06
EP0230466A1 (de) 1987-08-05
DE3524048A1 (de) 1987-01-08

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