Portable telephone attachment for person hard of hearing

Details Portable telephone attachment for person hard of hearing Portable telephone attachment for person hard of hearing

2005-07-05

2005-07-05

Kuntz, Curtis (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S374000, C455S090300

Reexamination Certificate

active

06914996

ABSTRACT:
The purpose is to provide a cellular phone attachment for a hearing-impaired person. The attachment is adapted to be used as a hearing aid for catching a voice sound issued from the conversation partners when the hearing-impaired person makes conversation to his or her partners through the cellular phone. The attachment is constructed of: a microphone disposed closely adjacent to a receiver opening of the cellular phone in use; a bone conduction speaker adapted to be brought into contact with a portion of the person's head; a main body portion provided with an amplifier and a battery; and, a fitting means for mounting each of the microphone, the bone conduction speaker and the main body portion on the cellular phone.

REFERENCES:
patent: 4596899 (1986-06-01), Wojcik et al.
patent: 4823384 (1989-04-01), Lindsay
patent: 4864611 (1989-09-01), Helmuth
patent: 08-102780 (1996-04-01), None

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