Multi-frequency wireless communication device

Details Multi-frequency wireless communication device Multi-frequency wireless communication device

1996-08-02

2000-03-07

Urban, Edward F.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455553, 455575, 455351, 455434, H04B 108

Patent

active

060352124

ABSTRACT:
A wireless communication device may take the form of a cellular telephone, of a portable personal communication device, or even of a desk top personal computer which is equipped to communicate over the wireless cellular communication system in effect in a particular area. The wireless communication device is configured to self-adapt to various operating frequencies and communication protocols which may be present in the cellular communication environment so that the device is able to provide communications in several service areas even though the frequencies of operation and the communication protocols in use in the service areas may be incompatible with one another.

REFERENCES:
patent: 5127042 (1992-06-01), Gillig et al.
patent: 5210785 (1993-05-01), Sato et al.
patent: 5493693 (1996-02-01), Tanaka et al.
patent: 5732348 (1998-03-01), Norimatsu

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