Refrigeration temperature monitoring system and associated...

Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen

Reexamination Certificate

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Details

C374S141000, C340S585000, C340S506000, C062S129000, C356S043000

Reexamination Certificate

active

08033716

ABSTRACT:
The invention is a system for monitoring a plurality of cold cases located in a retail food establishment. The system employs a wireless mesh network, which uses monitoring computers in communication with the cold cases for sending temperature data to a master control computer located in a retail establishment, by the most efficient route, even if the most efficient route is first through a second monitoring computer and secondly to the main computer. The invention also employs an inventive microprocessor-controlled temperature monitoring and display device which mounts on each cold case and which emits various colored lights to serve as a visible indicator of the temperature condition of a cold case. The emitted, colored, light is visible from both the front and side of the display device, which allows untrained store personnel to readily determine the temperature condition of a cold case by referring to a color coding chart.

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