JPS563409A - Method and device for recording and reproducing magnetic disk - Google Patents
Method and device for recording and reproducing magnetic diskInfo
- Publication number
- JPS563409A JPS563409A JP7792079A JP7792079A JPS563409A JP S563409 A JPS563409 A JP S563409A JP 7792079 A JP7792079 A JP 7792079A JP 7792079 A JP7792079 A JP 7792079A JP S563409 A JPS563409 A JP S563409A
- Authority
- JP
- Japan
- Prior art keywords
- map
- keyed
- recorded
- spot
- video signal
- 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
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Abstract
PURPOSE: To ensure the assured retrieving reproduction for the desired information under the compound state of the video signal and the data signal, by using the magnetic disk which has several tracks on which the video signal is recorded directly and in the analog value or the like plus the truck on which the data corresponding to the video signal mentioned above.
CONSTITUTION: The channel number of the information (map 7) to be recorded is keyed in by keyboard 20; and map 7 is photographed by TV camera 8 and then recorded on the fixed video track by magnetic head 5. Furthermore, the spot name on map 7 and the channel number are keyed in, and the spot position is indicated by light pen 38 to be recorded on the data track via magnetic head 3. When the name of the spot to be retrieved is keyed in, the coincidence is obtained between the reproduced data name code and the name code keyed in through the encoder/ decoder plus controller 22. And the reproduced video signal is mixed with the character signal at mixer 27. Thus the positions and the names on the map and the retrieving spot are reproduced on monitor TV37.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7792079A JPS6058522B2 (en) | 1979-06-20 | 1979-06-20 | Magnetic disk recording/reproducing method and device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7792079A JPS6058522B2 (en) | 1979-06-20 | 1979-06-20 | Magnetic disk recording/reproducing method and device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS563409A true JPS563409A (en) | 1981-01-14 |
JPS6058522B2 JPS6058522B2 (en) | 1985-12-20 |
Family
ID=13647506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7792079A Expired JPS6058522B2 (en) | 1979-06-20 | 1979-06-20 | Magnetic disk recording/reproducing method and device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6058522B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6151677A (en) * | 1984-08-22 | 1986-03-14 | Sony Corp | Tracking control device of disk |
-
1979
- 1979-06-20 JP JP7792079A patent/JPS6058522B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6151677A (en) * | 1984-08-22 | 1986-03-14 | Sony Corp | Tracking control device of disk |
Also Published As
Publication number | Publication date |
---|---|
JPS6058522B2 (en) | 1985-12-20 |
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