Channel selecting system utilizing a random number generator hav

Details Channel selecting system utilizing a random number generator hav Channel selecting system utilizing a random number generator hav

1996-05-16

1998-01-20

Faile, Andrew

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

4551651, 4551831, 331 1R, H04B 140

Patent

active

057109834

ABSTRACT:
Frequency-dividing ratio data for selecting the oscillating frequency of a synthesizer are generated by a shift register, a certain number of switches connected to respective output terminals of the shift register, and an exclusive-OR gate for exclusive-ORing output signals respectively from the switches and feeding an output signal back to an input terminal of the shift register. A memory stores initial settings for the shift register and open and closed states of the switches.

REFERENCES:
patent: 3944925 (1976-03-01), De Laune
patent: 5450621 (1995-09-01), Kianush et al.
patent: 5452319 (1995-09-01), Cook et al.
patent: 5515364 (1996-05-01), Fague
Butler, Pseud-Random binary sequence generators, Wirless World, pp. 87-92, Feb. 1975.

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