Radio telephone having a cordless or cellular only mode and a co

Details Radio telephone having a cordless or cellular only mode and a co Radio telephone having a cordless or cellular only mode and a co

1991-07-31

1994-05-03

Kuntz, Curtis

Telephonic communications

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

Including fiber optic link within telephone network

379 58, 379 61, H04M 1100

Patent

active

053095022

ABSTRACT:
A radio telephone includes a cordless telephone fixed set and a mobile set. The cordless telephone fixed set is connected to a telephone line. The mobile set includes a first transmitter and a first receiver for radio communication with the cordless telephone fixed set. In addition, the mobile set includes a second transmitter and a second receiver for radio communication with an external base station. The mobile set includes a device for instructing a communication start, a device for detecting an answer signal outputted from the cordless telephone fixed set, a device for enabling the first transmitter to transmit a talking start signal when the instructing device instructs the communication start, and a device for, in cases where the first transmitter transmits the talking start signal but the detecting device fails to detect the answer signal, enabling the second transmitter to transmit a talking start signal.

REFERENCES:
patent: 4508937 (1985-05-01), Burger et al.
patent: 4989230 (1991-01-01), Gillig et al.
patent: 5210785 (1993-01-01), Saito et al.
patent: 5212684 (1993-05-01), MacNamee et al.

Affiliated with

Also associated with

Rating

Radio telephone having a cordless or cellular only mode and a co does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Radio telephone having a cordless or cellular only mode and a co, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radio telephone having a cordless or cellular only mode and a co will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2121702