JPS53100807A - Optical recording and reproducing system - Google Patents
Optical recording and reproducing systemInfo
- Publication number
- JPS53100807A JPS53100807A JP1565977A JP1565977A JPS53100807A JP S53100807 A JPS53100807 A JP S53100807A JP 1565977 A JP1565977 A JP 1565977A JP 1565977 A JP1565977 A JP 1565977A JP S53100807 A JPS53100807 A JP S53100807A
- Authority
- JP
- Japan
- Prior art keywords
- optical recording
- reproducing system
- dusts
- reproduced
- shifting
- 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
Abstract
PURPOSE: To improve the S/N ratio due to the dusts on an optically recording medium by shifting the duty ratio during one cycle of an FM modulated signal by 50% when the information signal is to be reproduced by the converged optical beam.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1565977A JPS53100807A (en) | 1977-02-15 | 1977-02-15 | Optical recording and reproducing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1565977A JPS53100807A (en) | 1977-02-15 | 1977-02-15 | Optical recording and reproducing system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53100807A true JPS53100807A (en) | 1978-09-02 |
JPS6114573B2 JPS6114573B2 (en) | 1986-04-19 |
Family
ID=11894852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1565977A Granted JPS53100807A (en) | 1977-02-15 | 1977-02-15 | Optical recording and reproducing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53100807A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008270651A (en) * | 2007-04-24 | 2008-11-06 | Kenwood Corp | Heat radiation mechanism for amplifier, and amplifier |
-
1977
- 1977-02-15 JP JP1565977A patent/JPS53100807A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008270651A (en) * | 2007-04-24 | 2008-11-06 | Kenwood Corp | Heat radiation mechanism for amplifier, and amplifier |
Also Published As
Publication number | Publication date |
---|---|
JPS6114573B2 (en) | 1986-04-19 |
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