Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Martin Paul Robotham0
Date of Patent
August 20, 2024
0Patent Application Number
170581820
Date Filed
May 16, 2019
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A notification appliance is disclosed and includes a sound engine that generates sound according to an acoustic pattern and the power control that regulates input voltage to the sound engine that is matched to the acoustic pattern. A method of powering a sounder is also disclosed and includes providing a constant input current and regulating an input voltage to a phase of a sound engine corresponding with an acoustic signal generated by a sound engine.
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