Pulse or digital communications – Repeaters – Testing
Patent
1986-03-10
1988-08-30
Griffin, Robert L.
Pulse or digital communications
Repeaters
Testing
375 94, 34082561, 34082564, 307234, 329107, H03K 904
Patent
active
047682078
ABSTRACT:
The present invention relates to remote control or trajectory calculation systems for missiles for example, and in particular to a message receiving device which may be mounted on the missle itself.
The receiver of the invention comprises means for receiving the j sequences of the message, means for shifting each sequence by a time .DELTA.t.sub.j, means for confirming that the sequences of 1's are indeed associated with sequences of 0's, means for reading the word formed of the j sequences, j being an appropriately chosen integer.
The invention applies to radar responder and any transmission carriers.
REFERENCES:
patent: 2706810 (1955-04-01), Jacobsen
patent: 2779933 (1957-01-01), Bradburd
patent: 2943299 (1960-06-01), Dunn
patent: 3027543 (1962-03-01), Losee et al.
patent: 3051928 (1962-08-01), Sullivan
patent: 3328762 (1967-06-01), Prather
patent: 3400369 (1968-09-01), Cooper
patent: 4169264 (1979-09-01), Parker
IRE Transactions on Space Electronics and Telemetry, Sep./Dec. 1960, pp. 103-114, New York, U.S.; R. Lowrie: "A Secure Digital Command Link".
Mizzi Felix
Sejourne Paul J.
Griffin Robert L.
Huseman Marianne
Societe Anonyme de Telecommunications
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