Electromechanical filter

Details Electromechanical filter Electromechanical filter

1977-01-19

1978-11-07

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

310321, 333 72, H03H 926, H03H 904, H04R 1710, H01L 4104

Patent

active

041248295

ABSTRACT:
An electromechanical filter comprising a plurality of parallel mounted mechanical resonators which are generally cylindrical in shape with a plurality of input and output resonators operating in a bending mode and at least one intermediate mechanical resonator operating in a torsional mode and being generally dumbbell shaped with two or more cylindrical portions connected by a torsion member and with electrostrictive transducer input and output members connected to the input and output resonators so as to provide filters having wide band characteristics.

REFERENCES:
patent: 3389351 (1968-06-01), Trzeba et al.
patent: 3986151 (1976-10-01), Kanazawa et al.

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