Zinc-air dry cell holder and hearing aid that uses it

Details Zinc-air dry cell holder and hearing aid that uses it Zinc-air dry cell holder and hearing aid that uses it

1996-02-26

1998-03-03

Le, Huyen D.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 69, 429 27, H04R 2500

Patent

active

057244316

ABSTRACT:
A holder hermetically seals less than all of the air holes in a zinc-air dry cell and allows air to reach at least of the air holes. This greatly lengthens the lifespan of a zinc-air dry cell.

REFERENCES:
patent: 4965831 (1990-10-01), Schmid
patent: 5069986 (1991-12-01), Dworkin et al.
patent: 5133016 (1992-07-01), Clark
patent: 5187746 (1993-02-01), Narisawa
patent: 5191274 (1993-03-01), Lloyd et al.
patent: 5431575 (1995-07-01), Engira
patent: 5532080 (1996-07-01), Mizoguchi et al.

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