Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 18, 2015
Patent Application Number
13249454
Date Filed
September 30, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A headset or earphone is provided, having an electro-acoustic reproduction transducer with an oscillator coil arranged in an axis. An amplifier is coupled to the electro-acoustic reproduction transducer. The headset or earphone also has a magnetic interference sensor for measuring a magnetic interference field. A correction unit, for analyzing an output of the magnetic interference sensor and for producing a compensation signal, is coupled to the magnetic interference sensor. In addition, the headset or earphone also includes an adding unit for adding the compensation signal to an input signal and for outputting the result to the amplifier.
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