Sound reinforcing seal for slotted acoustic transducers

Details Sound reinforcing seal for slotted acoustic transducers Sound reinforcing seal for slotted acoustic transducers

1988-12-20

1992-04-07

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310322, 310369, 367159, H01L 4108

Patent

active

051031302

ABSTRACT:
A split-ring or split-cylinder transducer in which a full or partial boot covering a shell is caused to be looped into the gap of the shell so that outward radial movement and circumferential expansion of the shell causes the boot to also move outwardly thus reinforcing the sound wave generated exterior to the shell of the transducer.

REFERENCES:
patent: 2772405 (1956-11-01), Schurman et al.
patent: 2812452 (1957-11-01), Harris
patent: 3947802 (1976-03-01), Tims et al.
patent: 4409681 (1983-10-01), White
patent: 4435794 (1984-03-01), Marshall et al.
patent: 4651044 (1987-03-01), Kompanek
patent: 4682070 (1987-07-01), Plambeck

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