Cellular telephone and associated method for opening a voice cha

Details Cellular telephone and associated method for opening a voice cha Cellular telephone and associated method for opening a voice cha

1994-07-18

1996-10-29

Kuntz, Curtis

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379142, 379127, 379 63, 379247, H04Q 722

Patent

active

055704131

ABSTRACT:
A cellular telephone includes a speaker, a microphone and voice channel establishing components for opening a voice channel between the cellular telephone and a source telephone requesting communications with the cellular telephone without opening the speaker and microphone. Thus, voice communications between the cellular telephone and the source telephone are prevented until a predetermined signal from the user of the cellular telephone is received. The cellular telephone also include delayed speaker and microphone connecting components for receiving and processing data from the source telephone without opening the speaker and the microphone. The data may include the identity of the source telephone or a message which may be displayed for the user of the cellular telephone. Based upon the identity of the source telephone, the user of the cellular telephone may selectively ignore or respond to the request for communications, or may route the request to an automated answering device or another telephone.

REFERENCES:
patent: 4893335 (1990-01-01), Fuller et al.
patent: 5029196 (1991-07-01), Morganstein
patent: 5327486 (1994-07-01), Wolff et al.
patent: 5329578 (1994-07-01), Brennan et al.
patent: 5371781 (1994-12-01), Ardon
International Search Report for PCT/US95/08143 dated Nov. 2, 1995.

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