Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 20, 2015
0Patent Application Number
145675140
Date Filed
December 11, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed is a wireless gauge apparatus and manufacturing method thereof. The wireless gauge apparatus comprises a printed circuit board comprising a wireless transceiver and at least one sensor, a power source electrically coupled with the printed circuit board, an antenna electrically coupled with the wireless transceiver and a casing encasing the printed circuit board, the power source and the antenna. The casing is made of polyurethane having a density of 0.8-1.2 g/cm3. The antenna is surrounded by a protective layer having a thickness of 4-8 mm, a density of at most 50 kg/m3 and a dielectric constant of 1-2.7.
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