JPS5250703A - Optical reading device for recording materials - Google Patents

Optical reading device for recording materials

Info

Publication number
JPS5250703A
JPS5250703A JP12723675A JP12723675A JPS5250703A JP S5250703 A JPS5250703 A JP S5250703A JP 12723675 A JP12723675 A JP 12723675A JP 12723675 A JP12723675 A JP 12723675A JP S5250703 A JPS5250703 A JP S5250703A
Authority
JP
Japan
Prior art keywords
reading device
recording materials
optical reading
variation
light
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.)
Granted
Application number
JP12723675A
Other languages
Japanese (ja)
Other versions
JPS5756137B2 (en
Inventor
Tetsuo Hosomi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12723675A priority Critical patent/JPS5250703A/en
Publication of JPS5250703A publication Critical patent/JPS5250703A/en
Publication of JPS5756137B2 publication Critical patent/JPS5756137B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: An auxiliary lens is provided between an objective lens and rotary mirror, and its focal plane is moved, whereby the variation of the light beam position on a light detector plane and the variation in light distribution are prevented.
COPYRIGHT: (C)1977,JPO&Japio
JP12723675A 1975-10-21 1975-10-21 Optical reading device for recording materials Granted JPS5250703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12723675A JPS5250703A (en) 1975-10-21 1975-10-21 Optical reading device for recording materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12723675A JPS5250703A (en) 1975-10-21 1975-10-21 Optical reading device for recording materials

Publications (2)

Publication Number Publication Date
JPS5250703A true JPS5250703A (en) 1977-04-23
JPS5756137B2 JPS5756137B2 (en) 1982-11-27

Family

ID=14955072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12723675A Granted JPS5250703A (en) 1975-10-21 1975-10-21 Optical reading device for recording materials

Country Status (1)

Country Link
JP (1) JPS5250703A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53123104A (en) * 1977-04-04 1978-10-27 Teac Corp Optical reproducer
JPS5619490U (en) * 1979-07-24 1981-02-20

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62150343U (en) * 1986-03-17 1987-09-24

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53123104A (en) * 1977-04-04 1978-10-27 Teac Corp Optical reproducer
JPS5619490U (en) * 1979-07-24 1981-02-20
JPS591910Y2 (en) * 1979-07-24 1984-01-19 石川島播磨重工業株式会社 Mooring line separation device

Also Published As

Publication number Publication date
JPS5756137B2 (en) 1982-11-27

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