Invention Grant
US07782586B2 Thermal management within mobile RFID readers through the application of temperature governed variable non-emissive intervals
有权
通过应用温度控制的可变非发射间隔，移动RFID读取器内的热管理
- Patent Title: Thermal management within mobile RFID readers through the application of temperature governed variable non-emissive intervals
- Patent Title (中): 通过应用温度控制的可变非发射间隔，移动RFID读取器内的热管理
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Application No.: US11843548Application Date: 2007-08-22
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Publication No.: US07782586B2Publication Date: 2010-08-24
- Inventor: Mohammad Soleimani , Martin Strzelczyk , Son Ngo , Ian Chamberlin , Albert Owens
- Applicant: Mohammad Soleimani , Martin Strzelczyk , Son Ngo , Ian Chamberlin , Albert Owens
- Applicant Address: US NY Holtsville
- Assignee: Symbol Technologies, Inc.
- Current Assignee: Symbol Technologies, Inc.
- Current Assignee Address: US NY Holtsville
- Agent Glenn Frankenberger
- Main IPC: H02H5/04
- IPC: H02H5/04 ; G08B13/14
Abstract:
A thermal management system and method to control temperature in an RFID reader is described herein. In particular, by inserting variable periods of inactivity (or latency) at the beginning or at the end of each read cycle, proportional to an instantaneous temperature value of the RFID reader, over-heating and damage of RFID reader electronics is prevented. The RFID reader includes a thermal sensor and determines when the high power RF electronics is enabled. If the RFID reader is in an over-heated condition, it can be turned OFF and during this period any requests received on an interface to the RFID reader to perform a read of tag(s) are not processed.
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