Portable radio telephone system

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

379 61, H01N 1100

Patent

active

047900008

ABSTRACT:
In order to make it possible to communicate between a portable radio telephone set through an existing public cellular radio telephone system and a private radio telephone system disposed inside the cells of the public cellular radio telephone system, an antenna and a transceiver for connecting the antenna to the private radio telephone system are disposed in each cell, and the transmitting power from the antenna and the transmitting power from the portable telephone set are set so that they do not impart interference waves to the public cellular radio telephone system.

REFERENCES:
patent: 3955140 (1976-04-01), Stephens et al.
patent: 4539706 (1985-09-01), Mears et al.
patent: 4659878 (1987-04-01), Dinkins
patent: 4661972 (1987-04-01), Kai
patent: 4672658 (1987-06-01), Kavehrad et al.
Millicom, "Cellular Portable Telephone", Advertising Lit., received No. 21, 84.
Stocker, "Small Cell Mobile Phone Systems", I.E.E.E. Transactions on Vehicular Technology, vol. VT-33, No. 4, 11/84, pp. 269-275.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Portable radio telephone system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Portable radio telephone system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Portable radio telephone system will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1497620

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.