Method of programming a hearing aid by a programming device

Details Method of programming a hearing aid by a programming device Method of programming a hearing aid by a programming device

H - Electricity

04

R

H04R 25/00 (2006.01) G01R 19/165 (2006.01) G01R 31/36 (2006.01)

Patent

CA 2516396

A battery-powered hearing aid (1) is programmed via a programming device (2), the hearing aid (1) having a battery (11) and a line connection (3, 4) for connecting the battery (11) to the programming device (2). The programming device (2) uses a variable voltage source (5) and an input comparator (6) with a first and a second input terminal and an output terminal to output a variable voltage to one input of the input comparator (6) and determining the voltage of the hearing aid battery (11) by using the second input of the input comparator (6) of the programming device (2). By ramping the output of the variable voltage source (5) used as a reference, the voltage of the battery (11) can be determined with great accuracy using existing hearing aid programming circuitry.

La présente invention concerne une prothèse auditive (1) à pile se programmant au moyen d'un programmateur (2). Cette prothèse auditive (2) comporte notamment une pile (11) et un fil de connexion (3, 4) permettant de raccorder la pile (11) au programmateur (2). Le programmateur (2) utilise une source de tension variable (5) et un comparateur d'entrée (6) à deux bornes d'entrée et une borne de sortie. Cela permet de produire en sortie une tension variable aboutissant à une entrée du comparateur d'entrée (6) et de déterminer la tension de la pile (11) au moyen de la deuxième borne d'entrée du comparateur d'entrée (6) du programmateur (2). La montée ou la descente progressive de la sortie de la source de tension variable (5) utilisée comme référence permet de déterminer avec une grande précision la tension de la pile (11) en utilisant les circuits de programmation existants de la prothèse auditive.

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