NOISE-PROOF HEAD PHONE Russian patent published in 1996 - IPC

Abstract RU 2063068 C1

FIELD: radio engineering. SUBSTANCE: device has inner and outer housings, which are connected to one another through connecting member, and elastic gasket. Each connecting member is designed as lever with equal arms and is mounted on gasket. Outer and inner housings are mounted on different arms of gasket. Inner housing has hole which width is adjusted. EFFECT: protection of ear against noise. 3 dwg

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RU 2 063 068 C1

Authors

Odynets A.I.

Sas M.V.

Smyshljaev V.M.

Dates

1996-06-27—Published

1991-07-08—Filed