JPS5780878A - Magnetic recording and reproducing device - Google Patents
Magnetic recording and reproducing deviceInfo
- Publication number
- JPS5780878A JPS5780878A JP55155913A JP15591380A JPS5780878A JP S5780878 A JPS5780878 A JP S5780878A JP 55155913 A JP55155913 A JP 55155913A JP 15591380 A JP15591380 A JP 15591380A JP S5780878 A JPS5780878 A JP S5780878A
- Authority
- JP
- Japan
- Prior art keywords
- output
- time
- reproducing
- becomes low
- turned
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/1808—Driving of both record carrier and head
Abstract
PURPOSE:To return the tape to the original slow-motion reproducing smoothly without the disturbance of the reproduced picture when the recording signal is detected again, by running a tape in the normal standard speed when the recording signal is not detected at the slow-motion reproducing time. CONSTITUTION:When a control signal (c) is not detected at a time T2 the Q output of an FF18 becomes high, and the output of a monostable multivibrator 20 becomes low after a constant time, and therefore, the output of an AND gate 21 becomes low at this time. Then, transistors TRs 22 and 23 are turned off. Since a TR24 is turned off also, the input to a motor drive amplifier 14 becomes a voltage applied from the output of a phase comparator 13 through a resistance 29. Therefore, a capstan is rotated in the standard reproducing speed. When the reproducing control signal (c) is detected again at a time T3, the Q output of the FF18 is inverted and becomes low. The inversion Q output becomes high, and the TR24 is turned on. Then, the input to the motor drive amplifier 14 becomes low to stop the capstan, thus entering into the original slow-motion reproducing smoothly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55155913A JPS5780878A (en) | 1980-11-07 | 1980-11-07 | Magnetic recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55155913A JPS5780878A (en) | 1980-11-07 | 1980-11-07 | Magnetic recording and reproducing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5780878A true JPS5780878A (en) | 1982-05-20 |
Family
ID=15616244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55155913A Pending JPS5780878A (en) | 1980-11-07 | 1980-11-07 | Magnetic recording and reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5780878A (en) |
-
1980
- 1980-11-07 JP JP55155913A patent/JPS5780878A/en active Pending
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