JPH0315261B2 - - Google Patents

Info

Publication number
JPH0315261B2
JPH0315261B2 JP56166324A JP16632481A JPH0315261B2 JP H0315261 B2 JPH0315261 B2 JP H0315261B2 JP 56166324 A JP56166324 A JP 56166324A JP 16632481 A JP16632481 A JP 16632481A JP H0315261 B2 JPH0315261 B2 JP H0315261B2
Authority
JP
Japan
Prior art keywords
optical
objective lens
lens
reading device
beam splitter
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 - Lifetime
Application number
JP56166324A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5868248A (ja
Inventor
Akira Yamada
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP16632481A priority Critical patent/JPS5868248A/ja
Publication of JPS5868248A publication Critical patent/JPS5868248A/ja
Publication of JPH0315261B2 publication Critical patent/JPH0315261B2/ja
Granted 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP16632481A 1981-10-20 1981-10-20 光学式情報読取装置 Granted JPS5868248A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16632481A JPS5868248A (ja) 1981-10-20 1981-10-20 光学式情報読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16632481A JPS5868248A (ja) 1981-10-20 1981-10-20 光学式情報読取装置

Publications (2)

Publication Number Publication Date
JPS5868248A JPS5868248A (ja) 1983-04-23
JPH0315261B2 true JPH0315261B2 (forum.php) 1991-02-28

Family

ID=15829241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16632481A Granted JPS5868248A (ja) 1981-10-20 1981-10-20 光学式情報読取装置

Country Status (1)

Country Link
JP (1) JPS5868248A (forum.php)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07119866B2 (ja) * 1985-06-19 1995-12-20 松下電器産業株式会社 レンズ体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL176315C (nl) * 1976-05-12 1985-03-18 Philips Nv Optische aftastinrichting.
JPS6017063Y2 (ja) * 1979-11-12 1985-05-27 日本電信電話株式会社 光学的情報の読みとり装置

Also Published As

Publication number Publication date
JPS5868248A (ja) 1983-04-23

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