Privacy protection for smart metering data
AssigneeKabushiki Kaisha Toshiba
InventorsStojan Denic, Georgios Kalogridis
Life of this patent
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Abstract
Metering of a physical characteristic is described, in which a stochastic approach is taken. A random signal is generated on the basis of a metering signal, with a view to maximising a statistical distance between the two. The random signal and the metering signal are mixed together to obscure characteristics of the metering signal which could otherwise divulge private information to third parties.
Claims14
A metering device for metering a physical characteristic and for delivering information to a third party on the basis of collected metering information, the metering device comprising signal collecting means operable to collect a metering signal comprising information relating to the metered physical characteristic, random signal generating means operable to generate a random signal, signal processing means operable to process the metering signal and the random signal to produce a modified metering signal, and signal emission means operable to emit said modified metering signal to said third party.
A method of metering a physical characteristic and delivering information to a third party on the basis of collected metering information, the metering comprising collecting a metering signal comprising information relating to the metered physical characteristic, generating a random signal, processing the metering signal and the random signal to produce a modified metering signal, and emitting said modified metering signal to said third party.
Dependencies are inferred from the claim text.