Switching noise cancelling system in a space diversity receiving

Details Switching noise cancelling system in a space diversity receiving Switching noise cancelling system in a space diversity receiving

1992-09-30

1994-05-24

Kwon, John T.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328163, 328167, H04B 1500

Patent

active

053151852

ABSTRACT:
A switching noise cancelling system in a space diversity receiving system, comprising a comparator for comparing two receiving signal levels received by two antennas to provide a high level signal or a low level signal in response to the result of the comparison, a first switch for selecting, in response to the output signal of the comparator, one of two signals received by the antennas, a noise generating unit for generating noises substantially the same as noises generated by the switch, and a noise cancelling unit for cancelling the noises generated by the first switch by using the noises generated by the noise generating unit, whereby noises generated by the switch are canceled.

REFERENCES:
patent: 4587620 (1986-05-01), Niimi et al.
patent: 4701715 (1987-10-01), Amazawa et al.
patent: 4914398 (1990-04-01), Jove et al.

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