JPS5525838A - Magnetic tape device - Google Patents
Magnetic tape deviceInfo
- Publication number
- JPS5525838A JPS5525838A JP9791878A JP9791878A JPS5525838A JP S5525838 A JPS5525838 A JP S5525838A JP 9791878 A JP9791878 A JP 9791878A JP 9791878 A JP9791878 A JP 9791878A JP S5525838 A JPS5525838 A JP S5525838A
- Authority
- JP
- Japan
- Prior art keywords
- tape
- torque
- capstan
- acceleration
- speed
- 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
Abstract
PURPOSE: To always keep a constant tape tension regardless of the tape speed by varying the reel torque via the torque control means and by the signal which is obtained by multiplying the output signal of the acceleration decision means by the output signal of the winding diameter decision means.
CONSTITUTION: The following means are provided: speed variation means 20 which functions as the magnetic tape device driven by capstan 19 and varies continuously the speed of capstan 19; torque control means 38 and 39 which vary the torque for reels 11 and 12; acceleration decision means 25 which decides the acceleration of tape 13; and winding diameter decision means 28 and 29 which decide the winding diameters of reels 11 and 12. When means 20 is actuated under running of tape 13 with driving of capstan 19, means 38 and 39 are controlled by the signal obtained by multiplying through multiplier circuits 34 and 35 the output signals of means 25 by the output signals of means 28 and 29 in order to vary the reel torque.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9791878A JPS5525838A (en) | 1978-08-10 | 1978-08-10 | Magnetic tape device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9791878A JPS5525838A (en) | 1978-08-10 | 1978-08-10 | Magnetic tape device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5525838A true JPS5525838A (en) | 1980-02-23 |
Family
ID=14205072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9791878A Pending JPS5525838A (en) | 1978-08-10 | 1978-08-10 | Magnetic tape device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5525838A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57169956A (en) * | 1981-04-14 | 1982-10-19 | Sony Corp | Control circuit for tape speed |
JPS63237246A (en) * | 1987-03-26 | 1988-10-03 | Sony Corp | Reel driving circuit |
JPH01298560A (en) * | 1988-05-26 | 1989-12-01 | Sony Corp | Reel motor controller |
JPH04178949A (en) * | 1990-11-14 | 1992-06-25 | Matsushita Electric Ind Co Ltd | Tape driver |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5212004A (en) * | 1975-07-17 | 1977-01-29 | Nippon Paint Co Ltd | Photoosensitive resin composition for flexo graphic plate |
-
1978
- 1978-08-10 JP JP9791878A patent/JPS5525838A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5212004A (en) * | 1975-07-17 | 1977-01-29 | Nippon Paint Co Ltd | Photoosensitive resin composition for flexo graphic plate |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57169956A (en) * | 1981-04-14 | 1982-10-19 | Sony Corp | Control circuit for tape speed |
JPH0235376B2 (en) * | 1981-04-14 | 1990-08-09 | Sony Corp | |
JPS63237246A (en) * | 1987-03-26 | 1988-10-03 | Sony Corp | Reel driving circuit |
JPH01298560A (en) * | 1988-05-26 | 1989-12-01 | Sony Corp | Reel motor controller |
JPH04178949A (en) * | 1990-11-14 | 1992-06-25 | Matsushita Electric Ind Co Ltd | Tape driver |
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