JPS6433752A - Optical disk device - Google Patents

Optical disk device

Info

Publication number
JPS6433752A
JPS6433752A JP19063287A JP19063287A JPS6433752A JP S6433752 A JPS6433752 A JP S6433752A JP 19063287 A JP19063287 A JP 19063287A JP 19063287 A JP19063287 A JP 19063287A JP S6433752 A JPS6433752 A JP S6433752A
Authority
JP
Japan
Prior art keywords
head
magnetic
recording area
recording
laser
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
JP19063287A
Other languages
Japanese (ja)
Inventor
Kaname Kimata
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.)
NEC Engineering Ltd
Original Assignee
NEC Engineering 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 NEC Engineering Ltd filed Critical NEC Engineering Ltd
Priority to JP19063287A priority Critical patent/JPS6433752A/en
Publication of JPS6433752A publication Critical patent/JPS6433752A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:To effectively utilize a recording medium and to simplify information control by forming a laser recording area and a magnetic recording area for a rewriting in an optical disk medium and constituting a recording head of an optical head and a magnetic head. CONSTITUTION:An optical disk device 1 equips a laser recording area 3 covered with a metallic coat and a magnetic recording area 4 formed by applying a magnetic substance to the central part of the disk with a prescribed width. On the other hand, a recording head 2 is composed of an optical head 8 and a magnetic head 9. The optical head 8 and the magnetic head 9 are arranged in the lower direction of the optical disk medium 1, conducted by a head conducting rail 10 and positioned in the prescribed position of the laser recording area 3 and the magnetic recording area 4 respectively. When the data, for example, an index data, etc., of which the frequency of a renewing is large, are processed, the magnetic head 9 is used and a magnetic recording is executed to the magnetic recording area 4. When the data of which the frequency of the renewing is small are processed, the optical head 9 is used and a laser following recording is executed to the laser recording area 3.
JP19063287A 1987-07-30 1987-07-30 Optical disk device Pending JPS6433752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19063287A JPS6433752A (en) 1987-07-30 1987-07-30 Optical disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19063287A JPS6433752A (en) 1987-07-30 1987-07-30 Optical disk device

Publications (1)

Publication Number Publication Date
JPS6433752A true JPS6433752A (en) 1989-02-03

Family

ID=16261299

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19063287A Pending JPS6433752A (en) 1987-07-30 1987-07-30 Optical disk device

Country Status (1)

Country Link
JP (1) JPS6433752A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046823U (en) * 1990-05-07 1992-01-22
JPH0449574A (en) * 1990-06-18 1992-02-18 Fuji Photo Film Co Ltd Information recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046823U (en) * 1990-05-07 1992-01-22
JPH0449574A (en) * 1990-06-18 1992-02-18 Fuji Photo Film Co Ltd Information recording medium

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