| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a data telegraphic transmitter by which power consumption is reduced and the secret of radio waves is less likely to be leaked. <P>SOLUTION: The data telegraphic transmitter comprises first communication equipment 100 and second communication equipment 200. The first communication equipment 100 comprises a transceiver 150 which transmits an adjusting signal and receives reception information on whether or not the second communication equipment 200 can receive the adjusting signal, and a transmission side control part 130 for controlling transmission output to the transceiver 150 which is a first transmission means. The second communication equipment 200 comprises a transceiver 220 which is a second reception means for receiving the adjusting signal, a receiving-side control part 240 which is a second control means for preparing the reception information based on decision about the propriety of the adjusting signal, and the transceiver 220 which is a second transmission means for transmitting the reception information to the first communication equipment 100. <P>COPYRIGHT: (C)2003,JPO |
