Multiple-modes adaptable radiotelephone

Details Multiple-modes adaptable radiotelephone Multiple-modes adaptable radiotelephone

1997-08-13

1999-03-16

Le, Thanh Cong

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455575, H04B 138

Patent

active

058841890

ABSTRACT:
A multiple-modes adaptable radiotelephone adaptable to multiple communication modes, which is communicable with any of a cellular phone, cordless telephone and PCS telephone. The radiotelephone includes a single wireless transceiver for modulating and demodulating signals in the transmitting/receiving frequency bands of a cellular telephone system and a cordless telephone system. The transmitting/receiving frequency bands of the cordless telephone system are located closed to those of the cellular telephone system. A control unit, which has a PCS software installed therein, is provided for controlling the wireless transceiver.

REFERENCES:
patent: 5353331 (1994-10-01), Emery et al.
patent: 5406615 (1995-04-01), Miller et al.
patent: 5594782 (1997-01-01), Zicker et al.
Padgett et al., Overview of Wireless Personal Communications, IEEE Communications Magazine, vol. 33, No. 1, Jan. 1995, pp. 28-41.
TIA/EIA Interim Standard, Mobile Station--Land Station Compatibility Specification for Analog Cellular Auxiliary Personal Communications Service, TIA/EIA/IS-94, May 1994, Telecommunications Industry Association.

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