US 11,852,899 B2
Ultrasound emitting contact lens
Raghuveer Prasad Nagar, Kota (IN); Sarbajit K. Rakshit, Kolkata (IN); Reji Jose, Bangalore (IN); and Sidharth Ullal, Chennai (IN)
Assigned to International Business Machines Corporation, Armonk, NY (US)
Filed by International Business Machines Corporation, Armonk, NY (US)
Filed on Oct. 6, 2020, as Appl. No. 17/064,474.
Prior Publication US 2022/0107514 A1, Apr. 7, 2022
Int. Cl. G02C 11/00 (2006.01); A61L 12/02 (2006.01); B06B 1/06 (2006.01); G02C 7/04 (2006.01)
CPC G02C 11/10 (2013.01) [A61L 12/026 (2013.01); B06B 1/0622 (2013.01); G02C 7/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An ultrasonic emitting electronic contact lens apparatus placed on an eyeball comprising:
a translucent lens portion having a concave surface and a convex surface; and
a plurality of piezoelectric transducer portions embedded upon the convex surface, where the plurality of piezoelectric transducer portions are arranged along the outer circumference of the convex surface, and the plurality of piezoelectric transducer portions emit ultrasonic pressure waves, wherein the plurality of piezoelectric transducer portions emit ultrasonic pressure waves away from the eyeball and are configured to remove one or more microparticles from air in front of the contact lens.