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Battery alarm for a hearing aid, a hearing aid and a method for the use in a battery alarm

  • US 10,768,209 B2
  • Filed: 04/11/2008
  • Issued: 09/08/2020
  • Est. Priority Date: 10/14/2005
  • Status: Active Grant
First Claim
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1. A method for operating a battery alarm of a hearing aid, said method comprising the steps ofpreventing said alarm from turning on during a predetermined warm-up time period after a power supply to said hearing aid is turned on,subsequent to said predetermined warm-up time period:

  • a) counting the number of times a supply voltage for said hearing aid falls below a predetermined threshold value during a first predetermined time period,b) setting a first alarm flag if said number reaches a first predetermined count value within said first predetermined time period, and setting a second alarm flag if said number of times reaches a second predetermined count value higher than said first predetermined count value within said first predetermined time period,c) checking the states of said first and second alarm flags,d) giving off an alarm if either of said first or second alarm flags is set,e) suspending new alarms for a first predetermined delay time period if the alarm is given off in response to the setting of said first alarm flag, andf) suspending new alarms for a second predetermined delay time period shorter than said first predetermined delay time period if the alarm is given off according to the setting of said second alarm flag.

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