| 摘要 |
PURPOSE:To increase the remote operation mode and to make unnecessary BPF of high precision, by changing the output time of the mono frequency oscillator transmitted from the place visited. CONSTITUTION:When the telephone set at the visited place is inputted the output of mono-frequency oscillator continuously, the transistor T1 and monostable multibrator 4 are operated, turning on T2. The plunger 5 is operated and rewinding operation is made, and when the reel stand 8 is stopped, FF consisting of the NAND gates N6 and N7 is inverted with the output of the tape end detection circuit 9 and the condition of reproducton is made with the operation of the plunger 6. Further, when the oscillator output is stopped while the monostable multivibrator is operated, FF is reset and the operaton of reproducton can be stopped. |
