Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas Reinking0
Jeff Schroeder0
Kerry Berland0
Terry Tae-Il Chung0
Date of Patent
August 21, 2012
0Patent Application Number
127597600
Date Filed
April 14, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The temperature of shelves used in a food holding cabinet are measured using a transistor. The voltage across a PN junction being known to be temperature dependent, the shelf temperature can be inferred from a calculated temperature of a PN junction of a transistor thermally coupled to a heated or refrigerated shelf. No calibration of the measurement device is required since the PN junction voltage, current and temperature relationship is well known.
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