Abstract:
A communication apparatus and a communication device that are selectively connectable to each other. A transmitter, associated with one of the communication apparatus and the communication device, transmits a first predetermined signal, such as, for example, an MS signal, to designate a specific mode to the other one of the communication apparatus and the communication device. The first predetermined signal includes an identification field that stores modulation independent information and a standard information field that stores modulation dependent information. A receiver receives a second predetermined signal, such as, for example, an ACK signal or a NACK signal, in response to the first predetermined signal from the other one of the communication apparatus and the communication device.
Abstract:
A communication apparatus that is selectively connectable to a communication device. A communicator executes a first communication mode to transmit a first predetermined signal to a communication device that designates a specific mode, and the communication device responds by issuing a second predetermined signal. The communicator executes a second communication mode to transmit a third predetermined signal to the communication device that requests a transmission of the first predetermined signal from the communication device, and upon receipt of the first predetermined signal from the communication device, transmits the second predetermined signal to the communication device. A controller controls the execution of either the first communication mode or the second communication mode upon initializing a communication with the communication device.