JPH0418374B2 - - Google Patents

Info

Publication number
JPH0418374B2
JPH0418374B2 JP57234680A JP23468082A JPH0418374B2 JP H0418374 B2 JPH0418374 B2 JP H0418374B2 JP 57234680 A JP57234680 A JP 57234680A JP 23468082 A JP23468082 A JP 23468082A JP H0418374 B2 JPH0418374 B2 JP H0418374B2
Authority
JP
Japan
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
JP57234680A
Other languages
Japanese (ja)
Other versions
JPS59121632A (en
Inventor
Hideo Inuzuka
Masami Emoto
Original Assignee
Ricoh Kk
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 Ricoh Kk filed Critical Ricoh Kk
Priority to JP57234680A priority Critical patent/JPH0418374B2/ja
Publication of JPS59121632A publication Critical patent/JPS59121632A/en
Publication of JPH0418374B2 publication Critical patent/JPH0418374B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/125Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
JP57234680A 1982-12-27 1982-12-27 Expired - Lifetime JPH0418374B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57234680A JPH0418374B2 (en) 1982-12-27 1982-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57234680A JPH0418374B2 (en) 1982-12-27 1982-12-27

Publications (2)

Publication Number Publication Date
JPS59121632A JPS59121632A (en) 1984-07-13
JPH0418374B2 true JPH0418374B2 (en) 1992-03-27

Family

ID=16974769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57234680A Expired - Lifetime JPH0418374B2 (en) 1982-12-27 1982-12-27

Country Status (1)

Country Link
JP (1) JPH0418374B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012118061A (en) * 2010-12-02 2012-06-21 Xtreme Technologies Gmbh Method for measuring spatial decomposition of parameter on beam cross section of high-energy radiation light of high intensity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012118061A (en) * 2010-12-02 2012-06-21 Xtreme Technologies Gmbh Method for measuring spatial decomposition of parameter on beam cross section of high-energy radiation light of high intensity

Also Published As

Publication number Publication date
JPS59121632A (en) 1984-07-13

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