Pulse or digital communications – Transceivers – Modems
Patent
1993-07-01
1996-04-02
Chin, Stephen
Pulse or digital communications
Transceivers
Modems
370 851, H04B 138
Patent
active
055047777
ABSTRACT:
A communications system programmable to operate at a selected one of multiple frequency ranges and any one of a plurality of modulations schemes and data rights including an open architectural bus line for linking a plurality of board level units. A single board receiver exciter operates to receive and transmit signals at a plurality of frequencies and contains means for interfacing the single board receiver exciter with the open architectural bus line. A single board modulator demodulator allows for modulation/demodulation and for encoding/decoding of signals. The single board modulator demodulator also includes means for interfacing with the open architecture bus lines so that instruction and programming commands may be received. A single board processor multiplexer controls operations of the single board receiver exciter and the single board processor multiplexer over the communications link created by the open architecture bus line. The communication system further comprises a multimedia processor chassis for physically enclosing the single board receiver exciter, the single board modulator/demodulator, the single board processor multiplexer, and the open architecture bus line.
REFERENCES:
patent: 5122691 (1992-06-01), Balakrishnan
patent: 5195092 (1993-03-01), Wilson et al.
patent: 5384805 (1995-01-01), Hawkins et al.
Hawkins Steve K.
Whitney Bruce R.
Chin Stephen
E-Systems Inc.
May Timothy J.
Meier Harold E.
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