JPS5377146A - Optical informaion reader - Google Patents
Optical informaion readerInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5868249A (en) * | 1981-10-19 | 1983-04-23 | Hitachi Ltd | Optical information reader |
-
1976
- 1976-12-20 JP JP15324576A patent/JPS5377146A/en active Pending
Cited By (2)
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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