JPH03106529U - - Google Patents

Info

Publication number
JPH03106529U
JPH03106529U JP1990015110U JP1511090U JPH03106529U JP H03106529 U JPH03106529 U JP H03106529U JP 1990015110 U JP1990015110 U JP 1990015110U JP 1511090 U JP1511090 U JP 1511090U JP H03106529 U JPH03106529 U JP H03106529U
Authority
JP
Japan
Prior art keywords
optical
head section
optical disk
optical head
light beam
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.)
Pending
Application number
JP1990015110U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1990015110U priority Critical patent/JPH03106529U/ja
Priority to DE4104779A priority patent/DE4104779A1/de
Priority to FR9101784A priority patent/FR2659479A1/fr
Priority to CA002036412A priority patent/CA2036412A1/en
Publication of JPH03106529U publication Critical patent/JPH03106529U/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1359Single prisms

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1990015110U 1990-02-16 1990-02-16 Pending JPH03106529U (me)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1990015110U JPH03106529U (me) 1990-02-16 1990-02-16
DE4104779A DE4104779A1 (de) 1990-02-16 1991-02-13 Optischer kopf
FR9101784A FR2659479A1 (fr) 1990-02-16 1991-02-14 Tete optique d'enregistrement/reproduction pour disque optique.
CA002036412A CA2036412A1 (en) 1990-02-16 1991-02-15 Optical head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990015110U JPH03106529U (me) 1990-02-16 1990-02-16

Publications (1)

Publication Number Publication Date
JPH03106529U true JPH03106529U (me) 1991-11-05

Family

ID=11879693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990015110U Pending JPH03106529U (me) 1990-02-16 1990-02-16

Country Status (4)

Country Link
JP (1) JPH03106529U (me)
CA (1) CA2036412A1 (me)
DE (1) DE4104779A1 (me)
FR (1) FR2659479A1 (me)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311496A (en) * 1992-11-13 1994-05-10 Hyundai Electronics America Achromatic expansion prism for magneto-optical drive

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015828A (ja) * 1983-07-08 1985-01-26 Canon Inc 光記録装置のピツクアツプ
JPS60124035A (ja) * 1983-12-07 1985-07-02 Canon Inc 光ヘッド装置
JPS6448248A (en) * 1987-08-17 1989-02-22 Ricoh Kk Optical pick-up device

Also Published As

Publication number Publication date
FR2659479A1 (fr) 1991-09-13
DE4104779A1 (de) 1991-08-29
CA2036412A1 (en) 1991-08-17

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