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US 2004/0105538 A1Published application
Telephone with a capacitive environment sensor
OwnerKlaus Goebelinventor
Life of this patent
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Abstract
A telephone is provided which includes a capacitive sensor via which the environment of the telephone's loudspeaker is monitored continuously to determine whether the operator of the telephone is located close to the loudspeaker.
Claims4
A telephone having
- an appliance upper shell (6),
- loudspeaker for emitting an audible signal,
- a device for adjustable the volume of the loudspeaker,
- a sensor (5) for monitoring whether an operator is located in an area close to the loudspeader, and
- having an evaluation circuit (8), which is associated with the sensor (5)and by means of which the volume of the loudspeaker can be adjusted as a function of the detected proximity of the operator,
- with the sensor (5) being in the form of a capacitive sensor (5), characterized
- in that the sensor (5) is fitted on the rear face of the appliance upper shell (6)
- in that the sensor (5) has a spring contact (7), and
- in that the sensor (5) is electrically connected to the evaluation circuit (8) via the spring contract (7).
6 more elements
Dependencies are inferred from the claim text.