JPS55129981A - Vtr control unit - Google Patents
Vtr control unitInfo
- Publication number
- JPS55129981A JPS55129981A JP3743179A JP3743179A JPS55129981A JP S55129981 A JPS55129981 A JP S55129981A JP 3743179 A JP3743179 A JP 3743179A JP 3743179 A JP3743179 A JP 3743179A JP S55129981 A JPS55129981 A JP S55129981A
- Authority
- JP
- Japan
- Prior art keywords
- segment
- timer
- data
- stored
- memory
- 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
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
PURPOSE: To reproduce a designated segment at a desired time and perform head positioning of the next designated segment, by providing a timer mechanism to set the address and the time corresponding to the desired segment.
CONSTITUTION: The time for operation start is stored in each odd-numbered address of the timer memory of RAM13, and data of segments to be reproduced are stored in a program memory. At an operation time, head positioning of the first segment is performed to set the stop state. Simultaneously, timer data in the first address of the timer memory is read out; and when this data agrees with the clock signal count value, reproducing is started. Further, this reproducing reaches the end of the segment, head positioning of the second segment is performed to set the stop state. Simultaneously, the third timer data of the timer memory is read out, and then, these operations are repeated prescribed-number times. Programs for these operations are stored in ROM12.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3743179A JPS55129981A (en) | 1979-03-29 | 1979-03-29 | Vtr control unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3743179A JPS55129981A (en) | 1979-03-29 | 1979-03-29 | Vtr control unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55129981A true JPS55129981A (en) | 1980-10-08 |
Family
ID=12497317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3743179A Pending JPS55129981A (en) | 1979-03-29 | 1979-03-29 | Vtr control unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55129981A (en) |
-
1979
- 1979-03-29 JP JP3743179A patent/JPS55129981A/en active Pending
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