JPS5328404A - Optical information re producer - Google Patents
Optical information re producerInfo
- Publication number
- JPS5328404A JPS5328404A JP10277976A JP10277976A JPS5328404A JP S5328404 A JPS5328404 A JP S5328404A JP 10277976 A JP10277976 A JP 10277976A JP 10277976 A JP10277976 A JP 10277976A JP S5328404 A JPS5328404 A JP S5328404A
- Authority
- JP
- Japan
- Prior art keywords
- producer
- optical information
- detection
- arranging
- accomplished
- 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
Abstract
PURPOSE: Number of parts is reduced by so arranging the device that the detection of the information recorded in an optical recording carrier and the detection of the variations of the focus position of a condensing lens are accomplished by one light beam.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10277976A JPS5328404A (en) | 1976-08-27 | 1976-08-27 | Optical information re producer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10277976A JPS5328404A (en) | 1976-08-27 | 1976-08-27 | Optical information re producer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5328404A true JPS5328404A (en) | 1978-03-16 |
Family
ID=14336623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10277976A Pending JPS5328404A (en) | 1976-08-27 | 1976-08-27 | Optical information re producer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5328404A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54155832A (en) * | 1978-05-30 | 1979-12-08 | Canon Inc | Focusing detector |
JPS58171731A (en) * | 1983-02-21 | 1983-10-08 | Mitsubishi Electric Corp | Disc reproducing device |
US4441175A (en) * | 1982-01-25 | 1984-04-03 | Magnetic Peripherals Inc. | Partial beam focus sensing in an optical recording system |
-
1976
- 1976-08-27 JP JP10277976A patent/JPS5328404A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54155832A (en) * | 1978-05-30 | 1979-12-08 | Canon Inc | Focusing detector |
US4441175A (en) * | 1982-01-25 | 1984-04-03 | Magnetic Peripherals Inc. | Partial beam focus sensing in an optical recording system |
JPS58171731A (en) * | 1983-02-21 | 1983-10-08 | Mitsubishi Electric Corp | Disc reproducing device |
JPS6256580B2 (en) * | 1983-02-21 | 1987-11-26 | Mitsubishi Electric Corp |
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