Communication system

Details Communication system Communication system

2007-07-03

2007-07-03

Pham, Chi H. (Department: 2731)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C380S034000, C455S059000

Reexamination Certificate

active

09137768

ABSTRACT:
A communication system that can satisfactorily communicate with a mobile station by a transmitter and receiver of a simple arrangement wherein a plurality of carriers having different frequencies are transmitted simultaneously and data is transmitted on the basis of a phase difference between the carriers. Also, the carriers are multiplied with a predetermined time waveform and transmitted, so that a reception side receives data by use of a time waveform narrower than the above time waveform.

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