Time diversity receiver for processing repeatedly received signa

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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3401461BA, H04L 108

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active

041288092

ABSTRACT:
Responsive to several signal bits carrying an information piece and received with inevitable fluctuations of the signal bit widths and height, a time diversity receiver reproduces the information piece by mainly taking the widest or highest signal bit into consideration. In order to give significance to the widest or highest signal bit, the signal bit levels are added for each information piece. When high-frequency pulses are used to derive the sum width of the signal bit widths, it is preferred to substitute pulses of a frequency equal to a half or so of the high frequency for the high-frequency pulses representative of the width of the signal bit or bits received with serious fluctuations. Alternatively, the transmitter carries out the reproduction by attaching importance to the signal bit received with smallest fluctuations either solely or together with the preference or weight put on the widest or highest signal bit.

REFERENCES:
patent: 3353108 (1967-11-01), Branham
patent: 3787762 (1974-01-01), Sato
patent: 3938085 (1976-02-01), Battail
patent: 3973242 (1976-08-01), Field et al.

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