JPS51134515A - Photo-video disc - Google Patents
Photo-video discInfo
- Publication number
- JPS51134515A JPS51134515A JP50058595A JP5859575A JPS51134515A JP S51134515 A JPS51134515 A JP S51134515A JP 50058595 A JP50058595 A JP 50058595A JP 5859575 A JP5859575 A JP 5859575A JP S51134515 A JPS51134515 A JP S51134515A
- Authority
- JP
- Japan
- Prior art keywords
- video disc
- photo
- doubling
- video
- disc
- 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 Head (AREA)
Abstract
PURPOSE: Doubling of the playing time of video disc.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50058595A JPS51134515A (en) | 1975-05-19 | 1975-05-19 | Photo-video disc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50058595A JPS51134515A (en) | 1975-05-19 | 1975-05-19 | Photo-video disc |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51134515A true JPS51134515A (en) | 1976-11-22 |
Family
ID=13088836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50058595A Pending JPS51134515A (en) | 1975-05-19 | 1975-05-19 | Photo-video disc |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51134515A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55130512A (en) * | 1979-03-30 | 1980-10-09 | Canon Inc | Semiconductor laser optical system |
JPS57188481U (en) * | 1981-05-22 | 1982-11-30 |
-
1975
- 1975-05-19 JP JP50058595A patent/JPS51134515A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55130512A (en) * | 1979-03-30 | 1980-10-09 | Canon Inc | Semiconductor laser optical system |
JPS6361646B2 (en) * | 1979-03-30 | 1988-11-29 | ||
JPS57188481U (en) * | 1981-05-22 | 1982-11-30 | ||
JPS633270Y2 (en) * | 1981-05-22 | 1988-01-27 |
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