JPS54137304A - Control circuit for tape recorder - Google Patents
Control circuit for tape recorderInfo
- Publication number
- JPS54137304A JPS54137304A JP4564478A JP4564478A JPS54137304A JP S54137304 A JPS54137304 A JP S54137304A JP 4564478 A JP4564478 A JP 4564478A JP 4564478 A JP4564478 A JP 4564478A JP S54137304 A JPS54137304 A JP S54137304A
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- rendered conductive
- tape
- tape recorder
- charges
- 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
Abstract
PURPOSE: To make it possible to interchange the respective operations of a tape recorder with the use of the same solenoid by providing both a first drive circuit which is operated by rotation detecting means and a second drive circuit which is operated by a reproducing head.
CONSTITUTION: In case detecting means including a rotation detector 1, an amplifier 2 and a rectifier 3 detects the interruption of a tape running operation, a first device circuit 5 is rendered conductive by the output of a comparator 4 to bias a solenoid SOL. When the signals on a tape are detected by a reproducing head H, a second drive circuit 10 is rendered inconductive by the detected output. As a result, a capacitor C1 is charged with the charges of the opposite polarity to the normal one. If, under this condition, the reprodued signals by the head H disappear, the second drive circuit 10 is rendered conductive. By the charges of the capacitor C1 which has been charged to have the opposite polarity, the first drive circuit 5 is rendered conductive to bias the solenoid SOL.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53045644A JPS5821339B2 (en) | 1978-04-18 | 1978-04-18 | Tape recorder control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53045644A JPS5821339B2 (en) | 1978-04-18 | 1978-04-18 | Tape recorder control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54137304A true JPS54137304A (en) | 1979-10-25 |
JPS5821339B2 JPS5821339B2 (en) | 1983-04-28 |
Family
ID=12725069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53045644A Expired JPS5821339B2 (en) | 1978-04-18 | 1978-04-18 | Tape recorder control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5821339B2 (en) |
-
1978
- 1978-04-18 JP JP53045644A patent/JPS5821339B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5821339B2 (en) | 1983-04-28 |
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