JPS5222419A - Information recording system - Google Patents
Information recording systemInfo
- Publication number
- JPS5222419A JPS5222419A JP50098040A JP9804075A JPS5222419A JP S5222419 A JPS5222419 A JP S5222419A JP 50098040 A JP50098040 A JP 50098040A JP 9804075 A JP9804075 A JP 9804075A JP S5222419 A JPS5222419 A JP S5222419A
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- recording system
- approximately
- horizontal sync
- frequency
- 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 make an interchangeability of video disc players by selecting a modulation frequency which is approximately an integer times 1/2 of the horizontal sync frequency of the standard TV signal or approximately the least common multiple of two horizontal sync frequencies when recording modulated audio signals on discs.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50098040A JPS6052495B2 (en) | 1975-08-14 | 1975-08-14 | disc playback device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50098040A JPS6052495B2 (en) | 1975-08-14 | 1975-08-14 | disc playback device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5222419A true JPS5222419A (en) | 1977-02-19 |
JPS6052495B2 JPS6052495B2 (en) | 1985-11-19 |
Family
ID=14208961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50098040A Expired JPS6052495B2 (en) | 1975-08-14 | 1975-08-14 | disc playback device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6052495B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6372286A (en) * | 1987-07-15 | 1988-04-01 | Victor Co Of Japan Ltd | Rotary recording medium |
JPH0795516A (en) * | 1978-03-27 | 1995-04-07 | Discovision Assoc | Tangential-direction servo apparatus of optical disk player |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4940533A (en) * | 1972-08-19 | 1974-04-16 |
-
1975
- 1975-08-14 JP JP50098040A patent/JPS6052495B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4940533A (en) * | 1972-08-19 | 1974-04-16 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0795516A (en) * | 1978-03-27 | 1995-04-07 | Discovision Assoc | Tangential-direction servo apparatus of optical disk player |
JPS6372286A (en) * | 1987-07-15 | 1988-04-01 | Victor Co Of Japan Ltd | Rotary recording medium |
JPS6337554B2 (en) * | 1987-07-15 | 1988-07-26 | Victor Company Of Japan |
Also Published As
Publication number | Publication date |
---|---|
JPS6052495B2 (en) | 1985-11-19 |
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