Patent ID: 7376439

Claim:
A portable communications device comprising a first body portion and a second body portion, wherein: the first body portion has a transceiver operable to enable transmission and reception of communications over a mobile telecommunications network, a controller operable to control operation of the device, and a signal supplier operable to supply a carrier signal; the first body portion and the second body portion have respective first and second wireless couplers arranged in close proximity to one another to enable wireless coupling of the carrier signal from the first wireless coupler to the second wireless coupler; the second body portion carries a data storage device having a memory storing data, a power supply deriver operable to derive a power supply from a carrier signal coupled to the second wireless coupler, a controller operable to read data from the memory in response to derivation of a power supply by the power supply deriver, and a modulator operable to modulate the carrier signal in accordance with data read from the memory; the first body portion has a data extractor operable to extract data from the modulation of the carrier signal and a data supplier operable to supply the data to the controller of the first body portion to affect a function relating to the operation of the portable communications device.