JPS5746133B2 - - Google Patents
Info
- Publication number
- JPS5746133B2 JPS5746133B2 JP52018057A JP1805777A JPS5746133B2 JP S5746133 B2 JPS5746133 B2 JP S5746133B2 JP 52018057 A JP52018057 A JP 52018057A JP 1805777 A JP1805777 A JP 1805777A JP S5746133 B2 JPS5746133 B2 JP S5746133B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1805777A JPS53103716A (en) | 1977-02-23 | 1977-02-23 | Grooveless disc for information recording medium |
FR7803571A FR2382742B1 (en) | 1977-02-09 | 1978-02-08 | MEDIUM FOR RECORDING VIDEO AND AUDIO SIGNALS AND DEVICE FOR MAKING RECORDINGS THEREOF |
NLAANVRAGE7801440,A NL173797C (en) | 1977-02-09 | 1978-02-08 | INFORMATION SIGNAL RECORD MEDIUM WITH A FLAT SURFACE, AND REGISTRATOR FOR SUCH A MEDIUM. |
CA296,450A CA1106061A (en) | 1977-02-09 | 1978-02-08 | Rotary recording medium with intermediate pits |
GB5035/78A GB1600432A (en) | 1977-02-09 | 1978-02-08 | Information signal recording medium of rotary type and apparatus for recording information signal thereon |
DE2805322A DE2805322C2 (en) | 1977-02-09 | 1978-02-09 | Rotatable information signal recording medium and recording arrangement for producing the information signal recording medium |
US06/186,297 US4420827A (en) | 1977-02-09 | 1980-09-11 | Disc reproducing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1805777A JPS53103716A (en) | 1977-02-23 | 1977-02-23 | Grooveless disc for information recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53103716A JPS53103716A (en) | 1978-09-09 |
JPS5746133B2 true JPS5746133B2 (en) | 1982-10-01 |
Family
ID=11961057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1805777A Granted JPS53103716A (en) | 1977-02-09 | 1977-02-23 | Grooveless disc for information recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53103716A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3673412A (en) * | 1970-03-02 | 1972-06-27 | Trw Inc | Radiant energy beam scanning method and apparatus |
JPS5046429A (en) * | 1973-08-31 | 1975-04-25 | ||
JPS52123205A (en) * | 1976-04-08 | 1977-10-17 | Victor Co Of Japan Ltd | Video-signal recording and reproducing system |
-
1977
- 1977-02-23 JP JP1805777A patent/JPS53103716A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3673412A (en) * | 1970-03-02 | 1972-06-27 | Trw Inc | Radiant energy beam scanning method and apparatus |
JPS5046429A (en) * | 1973-08-31 | 1975-04-25 | ||
JPS52123205A (en) * | 1976-04-08 | 1977-10-17 | Victor Co Of Japan Ltd | Video-signal recording and reproducing system |
Also Published As
Publication number | Publication date |
---|---|
JPS53103716A (en) | 1978-09-09 |