Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 14, 2009
Patent Application Number
09974374
Date Filed
October 10, 2001
Patent Citations Received
Patent Primary Examiner
Patent abstract
A radio communication method allowing a portable device to be easily found using its accessory is disclosed. In response to an operation of a predetermined key of the accessory, the accessory transmits a ringing signal to the portable device. When receiving the ringing signal from the accessory, the portable device starts alerting and, when a predetermined key of the portable device is operated, the portable device stops alerting.
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