G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 21/24 (2006.01) A45C 13/18 (2006.01) A45C 13/24 (2006.01)
Patent
CA 2549441
A user of a handheld device may be alerted to a possible risk of losing the handheld device. The handheld device is able to be secured to a carrying case. The carrying case may alert the user by activating one or more of its user interface elements. The handheld device may determine that it is not secured to the carrying case and that at least a predetermined or programmable amount of time has passed since a last activation of the handheld device, and may consequently transmit a signal indicating this to the carrying case. The handheld device and the carrying case may communicate via a wireless communication link according to a communication protocol, for example, a Bluetooth® standard, an RFID (Radio Frequency Identification) standard, a Zigbee.TM. standard or an ultra wideband (UWB) standard.
Integral Ip
Research In Motion Limited
LandOfFree
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