Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1986-12-10
1988-12-06
Lev, Robert
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
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.
Hitachi , Ltd.
Lev Robert
LandOfFree
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.
Profile ID: LFUS-PAI-O-1497620