Portable telephone attachment for person hard of hearing

• US 20040013279A1
• Filed: 07/24/2002
• Published: 01/22/2004
• Est. Priority Date: 11/24/2000
• Status: Active Grant

• Current Assignee: Temco Japan Co., Ltd.
• Original Assignee: Temco Japan Co., Ltd.
• Inventors: Takeda, Takeshi
• Granted Patent: US 6,914,996 B2
• Time in Patent Office: Days
• US Class Current: 381/312
• CPC Class Codes: H04M 1/2155 Acoustic coupling
• CPC Class Codes: H04M 1/72478 for hearing-impaired users

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.

Claims

1. A cellular phone attachment for a hearing-impaired person comprises:

a microphone disposed closely adjacent to a receiver opening of a cellular phone in use;

a bone conduction speaker adapted to be brought into contact with a portion of a user'"'"'s head;

a main body portion provided with an amplifier and a battery; and

, a fitting means for mounting each of said microphone, said bone conduction speaker and said main body portion on said cellular phone.

2. The cellular phone attachment for the hearing-impaired person as set forth in claim 1, wherein both said microphone and said bone conduction speaker are received in a single casing.

3. The cellular phone attachment for the hearing-impaired person as set forth in claim 1 or 2, wherein said fitting means has at least a part thereof constructed of an extensible and retractable portion, and is of a snap-on type provided with opposite end portions, wherein an upper one of said opposite end portions is snapped on an upper surface of said cellular phone, and a lower one of said opposite end portions is snapped on a lower surface of said cellular phone.

4. The cellular phone attachment for the hearing-impaired person as set forth in claim 1 or 2, wherein said fitting means is of a snap-on type running round an upper portion of said cellular phone.

5. The cellular phone attachment for the hearing-impaired person as set forth in claim 1 or 2, wherein said fitting means is of a snap-on type to cover an upper portion of said cellular phone.