Multiple speaker

Details Multiple speaker Multiple speaker

1981-11-19

1983-08-30

Rubinson, G. Z.

Electrical generator or motor structure

Dynamoelectric

Rotary

179116, 1791155PS, 310320, 310321, H04R 1700, H04R 1706

Patent

active

044018576

ABSTRACT:
A piezoelectric cone-type speaker having a multiple structure in which a plurality of piezoelectric elements and speaker diaphragms individually coupled to them are coaxially or multi-axially arranged. It has a wide frequency range. A cushioning member is interposed between one diaphragm and another so that each element is isolated from the vibrations of another element.

REFERENCES:
patent: 1965405 (1934-07-01), Blattner
patent: 4283605 (1981-08-01), Nakajima

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