Method and equipment for bidirectional data transmission (full-d

Details Method and equipment for bidirectional data transmission (full-d Method and equipment for bidirectional data transmission (full-d

1994-01-24

1995-11-21

Boudreau, Leo H.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359136, 359162, 375219, 455 78, H04B 1000

Patent

active

054692857

ABSTRACT:
With this method the performance of full-duplex systems can be achieved with transmission of information using infra-red light or radio (or via other transmission media not involving hard wiring). For this purpose the two datastreams to be transmitted in opposite directions are brought to the same transmission rate. The time period (ta) between the beginnings of successive bits of a datastream are split during transmission into two equal halves (tb, tc), whereby the bits are transmitted during the first half (tb). A transmitting communicator switches to receive immediately after the transmission of a bit, whereas a receiving communicator switches to transmit after the receipt of a bit if it needs to send information, so that the transmitted bits of one datastream are sent during the second half (tc) of the opposing datastream.

REFERENCES:
patent: 4481678 (1984-11-01), Sekamoto
patent: 5075792 (1991-12-01), Brown et al.
patent: 9233602 (1993-08-01), Kuwano

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