| 摘要 |
PURPOSE:To secure the easy announcement to the specified person for the reception of the incoming and with a simple constitution by giving the temporary open to the temporary open circuit for the main wire after end of the massage of the calling subscriber and then closing again the temporary open circuit to transmit the dial signal of the specified person to the main wire. CONSTITUTION:When the incoming is received from main wire l, start circuit 1 operates to switch the relay contact toward the dotted line. And both control circuit 2 and reproduction circuit 3 have operation to transmit the answer message recorded previously to main wire l from reproduction head 5. After this transmission, the message from the calling subscriber is recorded through recording head 6 and with operation of the record diriving motor. After end of the calling subscriber's message, contact b is opened at main wire temporary open circuit 7 and then closed again, and the dial signal of the specified person is sent to main wire l. In such way, the reception of the incoming can be informed easily to the specified person after end of the answer recording action and with a simple constitution. |
