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Communication system with microradios

  • US 8,185,052 B2
  • Filed: 07/15/2011
  • Issued: 05/22/2012
  • Est. Priority Date: 01/20/2005
  • Status: Expired due to Fees
First Claim
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1. A communications system comprising an ensemble of microradios coupled to a radiative structure and parasitically powered from the environment, the microradios each including an oscillator, a storage device, a rectifier and a hysteretic switch to power the storage device during a charging cycle and to power said oscillator when the voltage on the storage device is above a predetermined level until such time as the charge on said storage device drops below a predetermined level.

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