US 12,066,415 B2
Low cost and wireless gas sensing paper sensor having UHF range
Jun Kameoka, College Station, TX (US); Onder Dincel, College Station, TX (US); and Ting-Yen Chi, College Station, TX (US)
Assigned to The Texas A&M University System, College Station, TX (US)
Filed by The Texas A&M University System, College Station, TX (US)
Filed on Dec. 17, 2021, as Appl. No. 17/554,138.
Claims priority of provisional application 63/127,391, filed on Dec. 18, 2020.
Prior Publication US 2022/0196619 A1, Jun. 23, 2022
Int. Cl. G01N 31/00 (2006.01); G01N 31/22 (2006.01); G08C 17/02 (2006.01); G01N 33/00 (2006.01); G01N 33/02 (2006.01)
CPC G01N 31/223 (2013.01) [G08C 17/02 (2013.01); G01N 33/0047 (2013.01); G01N 33/0054 (2013.01); G01N 33/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A batteryless sensor comprising:
an ultra-high frequency (UHF) dipole antenna configured to transmit data to a radio frequency (RF) wireless communication antenna; and
a sensing element operatively coupled to the dipole antenna and disposed on a polymeric and cellulosic substrate, wherein the sensing element is configured to detect molecular structures.