Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2006-10-03
2006-10-03
Tran, Sinh (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C181S130000
Reexamination Certificate
active
07116793
ABSTRACT:
The ear pad according to the present invention has a number of gathered sound-insulating walls (12) monolithically provided on an outer periphery of a basic body (11) made of an elastic material such as rubber, for instance, a silicon rubber or soft synthetic resins, for instance, polypropylene in a ring form with a prescribed space in the axial direction and made of the same material as that for the basic body. With this feature, the ear pad according to the present invention can provide softness and adaptability to be set in an auditory means without stimulating sensitive portions thereof.
REFERENCES:
patent: 2521414 (1950-09-01), Schier
patent: 3097643 (1963-07-01), Santi
patent: 5887070 (1999-03-01), Iseberg et al.
patent: 5979589 (1999-11-01), Aceti
patent: 6241041 (2001-06-01), Leight
Briney III Walter F
Flynn ,Thiel, Boutell & Tanis, P.C.
NAP Enterprise Co., Ltd.
Tran Sinh
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