초록 ▼

An apparatus includes a hermetically sealed housing formed of conductive material. The hermetically sealed housing contains a circuit that includes a power supply and a power using element. The power supply has a power receiving element within the hermetically sealed housing for receiving electromag

An apparatus includes a hermetically sealed housing formed of conductive material. The hermetically sealed housing contains a circuit that includes a power supply and a power using element. The power supply has a power receiving element within the hermetically sealed housing for receiving electromagnetic radiation having a frequency low enough to penetrate through the conductive material. The power supply is connected to provide electrical energy derived from the electromagnetic radiation for powering the power using element.

대표청구항 ▼

What is claimed is: 1. An apparatus, comprising a circuit, said circuit including a power receiving element, an energy storage device, a sensor, a memory, a transmitter, and a transmitter antenna, wherein said power receiving element is connected for receiving electromagnetic radiation and for provi

What is claimed is: 1. An apparatus, comprising a circuit, said circuit including a power receiving element, an energy storage device, a sensor, a memory, a transmitter, and a transmitter antenna, wherein said power receiving element is connected for receiving electromagnetic radiation and for providing electrical energy derived from said electromagnetic radiation to said energy storage device, wherein said energy storage device is connected for powering said memory for logging data derived from said sensor, and wherein said energy storage device is connected to said transmitter for powering transmission of data derived from said sensor, wherein said transmitter is connected to said transmitter antenna, wherein said transmitter antenna is different from said power receiving element.