Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Yeh0
Date of Patent
October 10, 2006
0Patent Application Number
099273840
Date Filed
August 13, 2001
0Patent Primary Examiner
Patent abstract
A digital pressure gauge comprises a power supply, an input button unit, a pressure sensor, a display unit, a warning unit, and a control unit. The control unit counts the number of operations and/or operation duration of the digital pressure gauge and generates an alarm through the display unit and the warning unit when the counted number of operations and/or operation duration of the digital pressure gauge exceeds a threshold.
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