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RFID system with antenna integrated in a luminaire

a technology of radio frequency identification and luminaire, which is applied in the direction of individual entry/exit registers, instruments, electromagnetic radiation sensing, etc., can solve the problems of high implementation cost and redundant devices, and achieve the effect of improving the utilization rate and accuracy and efficiency of rfid systems

Active Publication Date: 2019-07-11
ABL IP HLDG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text is discussing the need for better utilization of RFID systems to accurately and efficiently locate equipment for reading RFIDs in a space. The technical effect of the patent is to provide cost reduction and implementation measures to improve the utilization of RFID systems for RFID reader functions.

Problems solved by technology

However, these systems require each RFID-enabled light fixture to have both a suitable antenna and an associated RFID reader, which result in systems that are expensive to implement and include redundant devices.

Method used

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  • RFID system with antenna integrated in a luminaire
  • RFID system with antenna integrated in a luminaire
  • RFID system with antenna integrated in a luminaire

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Embodiment Construction

[0030]In the following detailed description, numerous specific details are set forth by way of examples in order to provide a thorough understanding of the relevant teachings. However, it should be apparent that the present teachings may be practiced without such details. In other instances, well known methods, procedures, components, and / or circuitry have been described at a relatively high-level, without detail, in order to avoid unnecessarily obscuring aspects of the present teachings.

[0031]A need exists for improvement in enabling cost effective and accurate asset tag tracking utilizing a regionalized RFID reader configuration utilizing a distributed set of antennas. Such a regionalized RFID reader covers a larger region in comparison to an ordinary RFID reader and antenna combination. The following discussion explains the structure and function of a regionalized RFID reader configuration that utilizes a central RFID reader coupled to a number of antennas dispersed around the RF...

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Abstract

A lighting system includes luminaires each having a light source for providing illumination in a space and a radio frequency identification (RFID) antenna. An RFID reader is coupled to the RFID antennas in all the luminaires. The RFID reader may transmit at least one RFID intended recipient message from at least one of the antennas and receive a responsive RFID reply message from a recipient device within the space via a plurality of the antennas. The RFID reader may determine a signal attribute of a reply message signal received via each receiving antenna. The determined signal attributes of the reply message signals received via antennas and information about locations of the receiving antennas are processed to estimate a position of the recipient device within the space.

Description

TECHNICAL FIELD[0001]The subject matter of this application is directed a radio frequency identification detection (RFID) reader coupled to one or more antennas integrated into each respective one or a number of luminaires.BACKGROUND[0002]As is well known, RFID readers communicate with either passive or active “tags” that respond to signals emitted by respective RFID readers. Systems including the tags and RFID readers have been used for many years to track inventory and items, even persons, in different types of spaces, such as factories, warehouses, retail establishments, hospitals, marathon races, and the like.[0003]As mentioned, the tags may be either passive or active. Passive tags are tags that do not carry a separate power supply, but instead derive their power from the energy of the signals received from RFID readers. Conversely, active tags are tags equipped with separate power supplies, such as batteries, solar cells or the like. An RFID reader may emit a signal that trigg...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06K7/10G07C9/00H05B37/02
CPCG06K7/10445H05B37/0272G07C9/00111G06K7/10099H05B47/19G07C9/28
Inventor WHITE, SEAN P.HIXON, NATHANIEL W.EEGHOLM, NIELS G.BAKER, YOUSSEF F.LU, YENPAORAINS, JR., JACK C.RAMER, DAVID P.
Owner ABL IP HLDG
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