Portable communications unit

Details Portable communications unit Portable communications unit

2005-05-17

2005-05-17

Nguyen, Lee (Department: 2682)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C340S010100

Reexamination Certificate

active

06895221

ABSTRACT:
A system that includes a mobile communications unit, wherein an identification module is added between a radio part and an antenna in a mobile telephone that includes a Bluetooth function. The identification module includes a mixer for transposing identification messages from identification devices in a 2.45 GHz RFID system of the backscatter type, to a baseband for further processing in the computer part of the unit and optionally communication with a superordinate system by a standard call channel or a Bluetooth channel. The unit can also send information to identification devices for alerting and/or transmitting data. Modulation and encoding can be effected in accordance with the Bluetooth standard, thereby enabling the mixer to be included as an integral part of a standard Bluetooth radio.

REFERENCES:
patent: 5008661 (1991-04-01), Raj
patent: 6297737 (2001-10-01), Irvin
patent: 6717516 (2004-04-01), Bridgelall
patent: 20040069852 (2004-04-01), Seppinen et al.
patent: WO 9316531 (1993-08-01), None
patent: WO 9816070 (1998-04-01), None

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