Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher Charles Ludlow0
Timothy Ryan Gipson0
Date of Patent
September 12, 2017
Patent Application Number
13199922
Date Filed
September 13, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A self-powered sensor system and sensing method includes a power source generating power which is a function of a first parameter such as vibration. A charge management circuit is responsive to the power output by the power source and is configured to provide, every charge cycle, a supply signal to a controller which activates it to control a transmitter to transmit data at a transmission rate which is a function of the charge cycle. The data and the transmission rate are processed and used to identify a variation in the first parameter by a variation in the transmission rate beyond a predetermined threshold.
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