Portable communications unit
First Claim
1. (amended) a portable communications unit for reading and/or writing of data from and into electronic identification devices with the aid of microwaves in the 2.45 GHz band, wherein the communications unit irradiates the identification device with microwaves, and wherein the identification device reflects information to the communications unit by modulation of the incident microwave signal and without supplying further energy to the communications unit, said communications unit comprising:
- a mobile telephone that includes a radio unit that operates with 2.45 GHz bluetooth technology and that includes a bluetooth channel, a baseband mixer between the radio unit of the bluetooth channel and an antenna, wherein the communications unit receives identification messages from said identification device.
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Accused Products
Abstract
A system that includes a mobile communications unit, wherein an identification module is added between radio part and antenna in a mobile telephone that includes a Bluetooth function, and wherein the module comprises 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 possibly communication with a superordinate system via standard call channel or Bluetooth channel. In one particular embodiment, the unit is also able to send information to said identification devices for alerting and/or transmitting data, wherein modulation and encoding can be effected in accordance with the Bluetooth standard, therewith enabling said mixer to be included as an integral part of a standard Bluetooth radio.
25 Citations
9 Claims
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1. (amended) a portable communications unit for reading and/or writing of data from and into electronic identification devices with the aid of microwaves in the 2.45 GHz band, wherein the communications unit irradiates the identification device with microwaves, and wherein the identification device reflects information to the communications unit by modulation of the incident microwave signal and without supplying further energy to the communications unit, said communications unit comprising:
- a mobile telephone that includes a radio unit that operates with 2.45 GHz bluetooth technology and that includes a bluetooth channel, a baseband mixer between the radio unit of the bluetooth channel and an antenna, wherein the communications unit receives identification messages from said identification device.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
Specification