Dual element headphone

Details Dual element headphone Dual element headphone

1981-12-11

1983-11-29

Rubinson, G. Z.

1791155PS, 179110A, H04R 128, H04R 122

Patent

active

044182481

ABSTRACT:
A stereophone includes cup assemblies which are supported over the ears of a user by a headband. Each cup assembly includes a piezoelectric acoustic transducer and a dynamic acoustic transducer. The reproduction of the entire audio spectrum is divided between the two transducers at a crossover frequency which is established by an acoustic filter.

REFERENCES:
patent: 3786202 (1974-01-01), Schafft
patent: 3819879 (1974-06-01), Baechtold
patent: 3943304 (1976-03-01), Piribauer
patent: 3984636 (1976-10-01), Turner
patent: 4005278 (1977-01-01), Gorike
patent: 4024355 (1977-05-01), Takahashi
patent: 4283606 (1981-08-01), Buck
patent: 4292561 (1981-09-01), Martin
Excellence in Design, Reprinted from DESIGN NEWS, Nov. 2, 1981.

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