Acoustic device with floating vibrating means

Details Acoustic device with floating vibrating means Acoustic device with floating vibrating means

1979-04-11

1981-03-31

Tupper, Robert S.

H04R 902

Patent

active

042595509

ABSTRACT:
An acoustic device comprising a main body having a magnet attached thereto, a vibrating means disposed to cooperate with said magnet of said main body for converting an electrical vibration into a mechanical vibration or vice versa, and a means for floating up said vibrating means into disengagement with said main body.

REFERENCES:
patent: 3783311 (1974-01-01), Sato et al.
patent: 3830986 (1974-08-01), Yamamuro
patent: 3855428 (1974-12-01), Itagaki
patent: 3937904 (1976-02-01), Parker
patent: 4017694 (1977-04-01), King

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