Patent ID: 6882334
Filing Date: 2005-04-19
Classification: G06F

Abstract:
1. A system for notifying a user of a loss of wireless communication, the system comprising: a host device; at least one peripheral device connected to the host device by a wireless connection, the at least one peripheral device being capable of sending a first signal to the host device, and the host device being capable of sending a second signal to the at least one peripheral device in response to, and verifying receipt by the host device of, the first signal sent by the at least one peripheral device; wherein the at least one peripheral device is also capable (a) of recognizing that the second signal from the host device has not been received after the sending of the first signal and (b) of then resending the first signal a preselected number of times so long as no second signal is received after each resending of the first signal; and an alarm responsive to a determination that the second signal has not been received by the at least one peripheral device after the resending of the first signal the predetermined number of times, the alarm notifying the user of the loss of wireless connection between the host device and the at least one peripheral device; wherein the alarm is configured as part of said at least one peripheral device.