Transducer with coupled vibrators

Details Transducer with coupled vibrators Transducer with coupled vibrators

2007-03-06

2007-03-06

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C381S347000, C381S348000

Reexamination Certificate

active

11152424

ABSTRACT:
A transducer includes a Langevin type vibrator, a bending vibrator, and a ring-like member. The Langevin type vibrator has a construction in which a front mass, a cylindrical vibrator, and a rear mass are provided in tandem, and those elements are tightened by a bolt. The bending vibrator is provided apart from the front mass. The ring-like member is provided in outer peripheral portions of the front mass and the bending vibrator to couple the front mass and the bending vibrator to each other. The transducer generates a large sound pressure over a wide frequency band since a sound wave radiation surface is wide and its amplitude amount is large.

REFERENCES:
patent: 2003/0118195 (2003-06-01), Hama
patent: 2001148896 (2001-05-01), None
patent: 2003032771 (2003-01-01), None
patent: 3406986 (2003-03-01), None
patent: 2003174695 (2003-06-01), None
patent: 2004312119 (2004-11-01), None

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