JPS5377146A - Optical informaion reader - Google Patents

Optical informaion reader

Info

Publication number
JPS5377146A
JPS5377146A JP15324576A JP15324576A JPS5377146A JP S5377146 A JPS5377146 A JP S5377146A JP 15324576 A JP15324576 A JP 15324576A JP 15324576 A JP15324576 A JP 15324576A JP S5377146 A JPS5377146 A JP S5377146A
Authority
JP
Japan
Prior art keywords
informaion
reader
optical
read
attenuating
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
JP15324576A
Other languages
Japanese (ja)
Inventor
Toyoki Taguchi
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
Toshiba Corp
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP15324576A priority Critical patent/JPS5377146A/en
Publication of JPS5377146A publication Critical patent/JPS5377146A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE: To perform the information read-in normally and stably, by controlling so that the attenuating terms of the transfer functions in the control unit of the light direction variable unit depending on the shift of position increased to the track of read-in beam.
COPYRIGHT: (C)1978,JPO&Japio
JP15324576A 1976-12-20 1976-12-20 Optical informaion reader Pending JPS5377146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15324576A JPS5377146A (en) 1976-12-20 1976-12-20 Optical informaion reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15324576A JPS5377146A (en) 1976-12-20 1976-12-20 Optical informaion reader

Publications (1)

Publication Number Publication Date
JPS5377146A true JPS5377146A (en) 1978-07-08

Family

ID=15558222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15324576A Pending JPS5377146A (en) 1976-12-20 1976-12-20 Optical informaion reader

Country Status (1)

Country Link
JP (1) JPS5377146A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5868249A (en) * 1981-10-19 1983-04-23 Hitachi Ltd Optical information reader

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5868249A (en) * 1981-10-19 1983-04-23 Hitachi Ltd Optical information reader
JPS6233653B2 (en) * 1981-10-19 1987-07-22 Hitachi Ltd

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