JPS5647962A - Magnetic recording and reproducing device for magnetic sheet - Google Patents
Magnetic recording and reproducing device for magnetic sheetInfo
- Publication number
- JPS5647962A JPS5647962A JP12461979A JP12461979A JPS5647962A JP S5647962 A JPS5647962 A JP S5647962A JP 12461979 A JP12461979 A JP 12461979A JP 12461979 A JP12461979 A JP 12461979A JP S5647962 A JPS5647962 A JP S5647962A
- Authority
- JP
- Japan
- Prior art keywords
- head
- access
- signal
- block
- magnetic
- 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
- Moving Of Head For Track Selection And Changing (AREA)
Abstract
PURPOSE: To move rapidly a magnetic head to a desired position on a track by providing the magnetic head with an additional access function of driving in the radius direction of a magnetic sheet.
CONSTITUTION: When access button 22 of the 2nd block is depressed while head 9 is in process of the reproduction of the 1st block, the microcomputer sends a signal to the power motor and turntable 7 stops at a specific turning angle. Next, the computer sends an electric feed signal to the plunger to lower head 9 and then access motor 39 turns on receiving a rotation signal. Then, the helical gear rotates and spiral shaft 30 also rotates to move head 9 in the radius direction of table 7. At this time, shutter part 45 of access pulley 43 cuts off the light of photocouplers 46 and 47 and the number of signals generated by photocouplers 46 and 47 is displayed on display unit 25 in addition to the number of signals generated by the leaf switch. When the number reaches a fixed value, the computer stops motor 39 and head 9 is elevated with the feed stop signal of the solenoid, so that access to the start position of the 2nd block will be attained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12461979A JPS5647962A (en) | 1979-09-26 | 1979-09-26 | Magnetic recording and reproducing device for magnetic sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12461979A JPS5647962A (en) | 1979-09-26 | 1979-09-26 | Magnetic recording and reproducing device for magnetic sheet |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16652479A Division JPS5647963A (en) | 1979-12-20 | 1979-12-20 | Magnetic recording and reproducing device for magnetic sheet |
JP16652579A Division JPS5647966A (en) | 1979-12-20 | 1979-12-20 | Recording and reproducing device for magnetic sheet |
JP11459580A Division JPS5647964A (en) | 1980-08-19 | 1980-08-19 | Magnetic recording and reproducing device for magnetic sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5647962A true JPS5647962A (en) | 1981-04-30 |
Family
ID=14889894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12461979A Pending JPS5647962A (en) | 1979-09-26 | 1979-09-26 | Magnetic recording and reproducing device for magnetic sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5647962A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5485018A (en) * | 1977-12-20 | 1979-07-06 | Gakken Co Ltd | Device for feeding reproducing head for magnetic sheet reproducer |
-
1979
- 1979-09-26 JP JP12461979A patent/JPS5647962A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5485018A (en) * | 1977-12-20 | 1979-07-06 | Gakken Co Ltd | Device for feeding reproducing head for magnetic sheet reproducer |
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