Headphone

Details Headphone Headphone

1994-12-08

1996-03-05

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

381187, H04R 2500

Patent

active

054974275

ABSTRACT:
A headphone in which a housing containing a drive unit is provided with a window hole formed therein and the window hole is covered with a diaphragm providing acoustic transmissibility therethrough.

REFERENCES:
patent: 3661225 (1972-05-01), Anderson
patent: 3798393 (1974-03-01), Go/ rike
patent: 4005278 (1977-01-01), Go/ rike
patent: 4027116 (1977-05-01), Nakamura
patent: 4041256 (1977-08-01), Ohta et al.
patent: 4160135 (1979-07-01), Go/ rike
patent: 4742887 (1988-05-01), Yamagishi
patent: 4924502 (1990-05-01), Allen et al.
patent: 4958697 (1990-09-01), Moody
patent: 5208868 (1993-05-01), Sapiejewski

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