Patent · US Active

Asset tracking system for rack-based enclosures

US8837954B2 · kind B2 · utility

24Cited by

4References

20Claims

0Family size

Assignee

RF Code, Inc. · US

Inventors

Michael Primm · Austin, US
Ronald Graczyk · Cedar Park, US
Ryan Joy · Austin, US
Matthew Blackledge · Sutton, GB

Key dates

Filing date	May 25, 2011
Grant date	Sep 16, 2014
Priority date	—
Expiry date	Sep 22, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04B10/501
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A system includes a beacon device including a communication strip having a plurality of directed light emitters distributed along the communication strip. The beacon device can transmit a directed light signal via the directed light emitters. The system further includes a tag including a processor, a radio frequency transmitter coupled to the processor, a directed light receiver coupled to the processor, and a lens having first and second major surfaces and a side surface, the tag to receive the directed light signal via the side surface and to transmit a radio frequency tag message via the radio frequency transmitter. The system also includes a radio frequency reader to receive the radio frequency tag message.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.