Mixed-base intercept receiver

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves

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324 78F, G01R 2316, G01R 2702

Patent

active

039847691

ABSTRACT:
1. In a frequency measuring system for measuring and indicating the frequency position of a signal within an extended band of frequencies, wherein said extended band of signals is divisible into a plurality of first sub-bands of equal extent and a plurality of second sub-bands of equal extent, the frequency extents of said first and second sub-bands being respectively different from each other, means for converting said signal to first signals only one of which occurs within each of said first sub-bands, means for further converting said signal to second signals only one of which occurs within each of said second sub-bands, means capable of measuring plural frequency locations within said plurality of first sub-bands for indicating the frequency location within said first sub-band of said first signal, and means capable of measuring plural frequency locations within said plurality of second sub-bands for indicating the frequency location within said second sub-band of said second signal.

REFERENCES:
patent: 1982340 (1934-11-01), Forbes
patent: 1985046 (1934-12-01), Morrison
patent: 2131559 (1938-09-01), Granger
patent: 2181265 (1939-11-01), Dudley
patent: 2321315 (1943-06-01), Peterson et al.
patent: 2656459 (1953-10-01), Tinlot
patent: 2692332 (1954-10-01), Godbey
patent: 2704805 (1955-03-01), Byrne
patent: 2729790 (1956-01-01), Haynes
patent: 2742566 (1956-04-01), Hunt et al.

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