Hearing aid with a radio frequency receiver

Details Hearing aid with a radio frequency receiver Hearing aid with a radio frequency receiver

2006-06-06

2006-06-06

Le, Huyen D. (Department: 2643)

Electrical audio signal processing systems and devices

Hearing aids, electrical

C381S315000

Reexamination Certificate

active

07058191

ABSTRACT:
A hearing aid including a radio frequency receiver, where the receiver includes a single oscillator providing a single crystal oscillator frequency and where means are provided for generating a further number of receiving frequencies by transforming the oscillator frequency to the desired receiving frequencies, where further scanning means are provided for upon activation provide a scanning of the possible frequency area and select a detected frequency superceding a predetermined detector level.

REFERENCES:
patent: 4088959 (1978-05-01), Sumi
patent: 4538136 (1985-08-01), Drabing
patent: 5721783 (1998-02-01), Anderson
patent: 5751820 (1998-05-01), Taenzer
patent: 5802183 (1998-09-01), Scheller et al.
patent: 6240194 (2001-05-01), DeKoning
patent: 0578020 (1994-01-01), None
patent: 1113582 (2001-07-01), None
patent: 11069495 (1999-03-01), None

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