JPS5277702A - Disc recording and reproduction apparatus - Google Patents
Disc recording and reproduction apparatusInfo
- Publication number
- JPS5277702A JPS5277702A JP50155320A JP15532075A JPS5277702A JP S5277702 A JPS5277702 A JP S5277702A JP 50155320 A JP50155320 A JP 50155320A JP 15532075 A JP15532075 A JP 15532075A JP S5277702 A JPS5277702 A JP S5277702A
- Authority
- JP
- Japan
- Prior art keywords
- signals
- reproduction apparatus
- disc recording
- recording
- leading
- 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
- Optical Recording Or Reproduction (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
PURPOSE: The quantity of light received on a recording medium is made constant by detecting the leading and trailing edge signals of FM signals and recording the leading a trailing edge signals through pulse width control by providing a proportional relationship between said signals and the moving amount of a turntable moving device at the time of optically recording FM signals.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50155320A JPS5858732B2 (en) | 1975-12-24 | 1975-12-24 | Embankment Rokusai Seisouchi |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50155320A JPS5858732B2 (en) | 1975-12-24 | 1975-12-24 | Embankment Rokusai Seisouchi |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5277702A true JPS5277702A (en) | 1977-06-30 |
JPS5858732B2 JPS5858732B2 (en) | 1983-12-27 |
Family
ID=15603299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50155320A Expired JPS5858732B2 (en) | 1975-12-24 | 1975-12-24 | Embankment Rokusai Seisouchi |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5858732B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58158039A (en) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | Recording and reproducing system of optical disc |
JPH0467437A (en) * | 1990-07-05 | 1992-03-03 | Sharp Corp | Video signal recording/reproducing device |
-
1975
- 1975-12-24 JP JP50155320A patent/JPS5858732B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58158039A (en) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | Recording and reproducing system of optical disc |
EP0089045A2 (en) * | 1982-03-15 | 1983-09-21 | Kabushiki Kaisha Toshiba | Data recording and reproducing apparatus |
US4558441A (en) * | 1982-03-15 | 1985-12-10 | Tokyo Shibaura Denki Kabushiki Kaisha | Data recording and reproducing apparatus and method |
JPH0467437A (en) * | 1990-07-05 | 1992-03-03 | Sharp Corp | Video signal recording/reproducing device |
Also Published As
Publication number | Publication date |
---|---|
JPS5858732B2 (en) | 1983-12-27 |
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