South Dakota Board of Regents

Medtronic Minimed, Inc.

Charles Tolle

Sheldon B Moberg

Himanshu N Patel

Haiping Hong

Christian A Widener

Jack Yang

Kaezad J Mehta

Greg Christensen

Glenn O Spital

Jason Ash

Lowell Kolb

Nathan Williams

John J Mika Iii

James Jollota

A system for determining gas characteristics at high altitudes in embodiments of the present invention may have one or more of the following features: (a) a high-altitude balloon having one or more of the following features: (a) a balloon, (b) a balloonsat operably coupled to the balloon, (c) an air path chamber wherein gas at a high altitude can occupy the air path chamber, (d) a first speaker located on a substrate within the air path chamber, wherein the first speaker takes an electrical signal input and creates a first sound wave, and (e) a second speaker located on the substrate facing opposite of the first speaker located outside of the air path chamber, wherein the second speaker takes the electrical signal and creates a second sound wave.

Acoustic resonance chamber

A non-volatile memory circuit in embodiments of the present invention may have one or more of the following features: (a) a logic source, and (b) a semi-conductive device being electrically coupled to the logic source, having a first terminal, a second terminal and a nano-grease with significantly reduced amount of carbon nanotube loading located between the first and second terminal, wherein the nano-grease exhibits non-volatile memory characteristics.

Nano memory device

Growing community of inventors

Rapid City, SD, United States of America

Charles Tolle