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Abstract

A method and apparatus for operating logic circuitry with recycled energy. Logic circuitry is used which has a node for storing energy and a return node that is connected to energy storage circuitry. The logic circuitry operates, using energy stored on the node, to determine a logic output based on a logic input during a first phase. The energy storage circuitry capture a portion of the stored energy during the operation of the logic circuitry and transfers a portion of the captured energy back to the node during a second phase. In one embodiment, the logic circuitry and the energy storage circuitry form a resonant circuit and the logic circuitry operates synchronously to a clock. In another embodiment, the energy storage circuitry includes a resonant circuit configured to oscillate with a determinable period. The resonant circuit is tunable so that its oscillations can be synchronized to a clock.

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First Claim