Telephone apparatus

Details Telephone apparatus Telephone apparatus

1991-11-05

1995-01-03

Dwyer, James L.

Telephonic communications

Substation or terminal circuitry

Conversion of signal form

379355, 379 61, H04M 100

Patent

active

053793196

ABSTRACT:
A telephone apparatus has a human body approach sensor for sensing, for example, infrared rays from a human body to produce an approach signal in response to which a controller activates a lamp to illuminate, for example, a ten-key device on the telephone, thereby facilitating the use of the telephone in darkness. When the sensor operation is continued longer than a predetermined period, the controller automatically triggers an automatic dialing function of the telephone.

REFERENCES:
patent: 4441143 (1984-04-01), Richardson et al.
patent: 4932050 (1990-06-01), Davidson et al.

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