Radio telephone device

Abstract

Abstract PURPOSE:To eliminate noise transmitted in the path of microphone of slave station hybrid circuit of master station receiver of slave station by the constitution that a slave turns off a transmitter after the transmission of a holding signal and a master station holds the operation of a receiver when the holding signal from the slave station is received. CONSTITUTION:When the slave station 41 operates a changeover switch 51 during communication, a signal generating circuit 52 is operated, the holding signal is applied to the transmitter 43 and the operation of the transmitter 43 is turned off after a prescribed time. When the master station 2 receives the said holding signal, the operation of the receiver 23 is held. In operating the changeover switch at the slave station 4, the transmitter 4 is operated and a holding release signal is applied to the transmitter 43 from the signal generating circuit 52. When the said holding release signal is received, the master station 2 releases the holding of the receiver 23.

Inventors

• 👤 Koji Ono
• 👤 小野　晃二
• 👤 Isao Sasaki
• 👤 勲 佐々木

Bibliographic Details