Telephone having an audio response function
AssigneePioneer Electronic Corporation
InventorMasahiko Kanamaki
Life of this patent
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Abstract
A microphone system is provided for picking up ambient sounds including noises and for producing a sound voltage signal. A threshold is obtained from the sound voltage signal for determining a response voice spoken by an addressee in response to the bell tone. A response sound voltage based on the response voice is compared with the threshold, and a response voice signal is produced when the comparison is established. In response to the response voice signal, a line of the telephone is closed.
Claims5
A telephone having an audio response function, the telephone having a bell signal generator to generate a bell tone in response to an incoming call, comprising:
- a microphone system for picking up ambient sounds including noises and for producing a sound voltage signal;
- average calculator means for calculating an average of the noise picked up by the microphone system;
- threshold determining means for generating a threshold for determining, in accordance with the average, a response voice spoken in response to the bell tone;
- response determining means for comparing a response sound voltage fed from the microphone system, wherein said response sound voltage is based on the response voice, with the threshold, and for producing a response voice signal when the comparison is established;
- and
- closing means responsive to the response voice signal for closing a line of the telephone.
A telephone having an audio response function, the telephone having a bell signal generator to generate a bell tone in response to an incoming call, comprising:
- a microphone system for picking up ambient sounds including noises and for producing a sound voltage signal;
- an average calculator which calculates an average of the noise picked up by the microphone system;
- a threshold calculator for generating a threshold for determining, in accordance with the average, a response voice spoken in response to the bell tone;
- a comparator for comparing a response sound voltage fed from the microphone system, wherein said response sound voltage is based on the response voice, with the threshold, and for producing a response voice signal when the comparison is established;
- and
- a line closing circuit responsive to the response voice signal for closing a line of the telephone.
Dependencies are inferred from the claim text.