Patent ID: 7260357

Claim:
A method for operating a wireless Human Interface Device (HID) to conserve battery life, the method comprising: establishing a wireless connection with a host device; receiving user input and wirelessly transmitting the user input to the host device; after a period of time during which no user input is received, entering a power down mode in which the connection with the host device is lost; after the connection with the host device has been lost, receiving user input; when the connection with the host device is lost, in attempting to reestablish a link with the host device, page scanning by: listening for pages from the host device on a first frequency of a page hopping sequence of the host device for a page scanning period that corresponds to a duration of the page hopping sequence; listening for pages from the host device on a second frequency of the page hopping sequence of the host device for a page scanning period that corresponds to a duration of the page hopping sequence; and receiving a page from the host device; responding to the page from the host device; and establishing a wireless connection with the host device.