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US 2009/0013787 A1Published application
Hearing testing device
OwnerPhilip Stuart Esnoufinventor
Life of this patent
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Abstract
A hearing testing device (2) for self-testing the hearing of a subject including: an earpiece housing (4); a loud speaker (46) located within the housing; and control circuitry (14) coupled to drive the loudspeaker, the control circuitry being arranged to produce a sequence of test signals which are inputted to the loudspeaker to produce a series of tones at frequencies corresponding to said test signals wherein said test signals do not include significant harmonic components.
Claims21
A hearing testing device for self-testing the hearing of a subject including:
- an earpiece housing;
- a loudspeaker located within the housing;
- and
- control circuitry coupled to drive the loudspeaker, the control circuitry being arranged to produce a sequence of test signals which are inputted to the loudspeaker to produce a series of tones at frequencies corresponding to said test signals wherein said test signals do not include significant harmonic components.
1 more element
A method of assessing hearing impairment of a subject including the steps of:
- locating a portable earpiece having a loudspeaker over an ear of the subject;
- actuating a switch which is coupled to control circuitry in the earpiece to generate a sequence of test signals;
- inputting the test signals to the loudspeaker which, in response thereto, generates a series of tones which do not include significant harmonic components;
- and
- determining whether the subject can hear each of said tones.
2 more elements
Dependencies are inferred from the claim text.