JPS5348704A - Optical signal regenerator - Google Patents
Optical signal regeneratorInfo
- Publication number
- JPS5348704A JPS5348704A JP12412076A JP12412076A JPS5348704A JP S5348704 A JPS5348704 A JP S5348704A JP 12412076 A JP12412076 A JP 12412076A JP 12412076 A JP12412076 A JP 12412076A JP S5348704 A JPS5348704 A JP S5348704A
- Authority
- JP
- Japan
- Prior art keywords
- optical signal
- signal regenerator
- hologram
- regenerator
- focusing
- 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
Links
Landscapes
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Head (AREA)
Abstract
PURPOSE: To simplify the construction of optical signal regenerator, by focusing the laser light on the first hologram so as to irradiate recording surface, and by receiving the reflected light through the second hologram.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51124120A JPS6047653B2 (en) | 1976-10-15 | 1976-10-15 | optical signal regenerator |
CA287,313A CA1091966A (en) | 1976-10-15 | 1977-09-22 | Apparatus for reading signals recorded on a record carrier |
US05/841,210 US4253723A (en) | 1976-10-15 | 1977-10-11 | Apparatus for optically reading information from a record carrier |
AU29578/77A AU511495B2 (en) | 1976-10-15 | 1977-10-11 | Optically reading recorded signals employing hologram element |
GB42494/77A GB1577877A (en) | 1976-10-15 | 1977-10-12 | Apparatus for optically reading signals recorded on a record carrier |
NL7711218A NL192229C (en) | 1976-10-15 | 1977-10-12 | Device for reading out signals recorded on a record carrier. |
AT0735277A AT370273B (en) | 1976-10-15 | 1977-10-14 | DEVICE FOR READING THE SIGNALS RECORDED ON A RECORDING CARRIER |
DE2746334A DE2746334C2 (en) | 1976-10-15 | 1977-10-14 | Device for reading optically detectable characters contained on a reflective recording medium |
FR7731231A FR2368190A1 (en) | 1976-10-15 | 1977-10-17 | OPTICAL READING DEVICE FOR SIGNALS RECORDED ON A MEDIA |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51124120A JPS6047653B2 (en) | 1976-10-15 | 1976-10-15 | optical signal regenerator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5348704A true JPS5348704A (en) | 1978-05-02 |
JPS6047653B2 JPS6047653B2 (en) | 1985-10-23 |
Family
ID=14877409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51124120A Expired JPS6047653B2 (en) | 1976-10-15 | 1976-10-15 | optical signal regenerator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6047653B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5879207A (en) * | 1981-11-06 | 1983-05-13 | Pioneer Electronic Corp | Optical pickup device |
JPS5894142A (en) * | 1981-11-30 | 1983-06-04 | Toshiba Corp | Optical head |
JPS60185904A (en) * | 1984-03-05 | 1985-09-21 | Matsushita Electric Ind Co Ltd | Single element plate lens |
JPH0484105A (en) * | 1990-07-27 | 1992-03-17 | Matsushita Electric Ind Co Ltd | Optical lens |
-
1976
- 1976-10-15 JP JP51124120A patent/JPS6047653B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5879207A (en) * | 1981-11-06 | 1983-05-13 | Pioneer Electronic Corp | Optical pickup device |
JPS5894142A (en) * | 1981-11-30 | 1983-06-04 | Toshiba Corp | Optical head |
JPS60185904A (en) * | 1984-03-05 | 1985-09-21 | Matsushita Electric Ind Co Ltd | Single element plate lens |
JPH0484105A (en) * | 1990-07-27 | 1992-03-17 | Matsushita Electric Ind Co Ltd | Optical lens |
Also Published As
Publication number | Publication date |
---|---|
JPS6047653B2 (en) | 1985-10-23 |
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