Dual resonance bender transducer

Details Dual resonance bender transducer Dual resonance bender transducer

1976-06-10

1978-02-21

Tudor, Harold

Communications: electrical

Selective

Addressing

310322, 310334, 340 10, 340 14, H04B 1300

Patent

active

040756009

ABSTRACT:
An acoustic transducer for simultaneously producing broadband sound sources n the conventional and overtone resonance modes. Two sets of ceramic and aluminum discs are fixed adjacent each other with the ceramic discs of each set facing one another across an air gap. By selection of respective relative diameters and thicknesses for the ceramic and aluminum discs, the transducer exhibits dual resonance output signals when excited by an input voltage.

REFERENCES:
patent: 3202962 (1965-08-01), Elston
patent: 3249912 (1966-05-01), Straube
patent: 3271596 (1966-09-01), Brinkerhoff
patent: 3321189 (1967-05-01), Scarpa
patent: 3457543 (1969-07-01), Akervold et al.
patent: 3708702 (1973-01-01), Brunnert et al.
patent: 3800271 (1974-03-01), Stillman, Jr.
patent: 3832762 (1974-09-01), Johnston et al.
patent: 3970878 (1976-07-01), Berglund
patent: 3988620 (1976-10-01), McDavid

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