Apparatus and method for tuning electro-mechanical filter compon

Details Apparatus and method for tuning electro-mechanical filter compon Apparatus and method for tuning electro-mechanical filter compon

1977-02-07

1978-09-05

Corcoran, Robert J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Phase comparison

29593, 333 71, 73579, G01R 2300

Patent

active

041123603

ABSTRACT:
Apparatus and method for tuning components of an electrical mechanical filter which includes a plurality of mechanical resonators coupled together with input and output resonators and other resonators mounted between the input and output resonators which can be tuned without mechanically damping the input and output resonators by providing an input feed circuit coupled to the input transducer and an output circuit coupled to the output transducer having characteristics such that the frequency of the resonator without a transducer can be accurately measured and wherein the frequencies of the input and output resonators do not adversely effect the frequency measurement of the resonator without a transducer.

REFERENCES:
patent: 2712753 (1955-07-01), Campbell
patent: 2887877 (1959-05-01), Sharma
patent: 3823470 (1974-07-01), Albsmeier et al.

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