Patent Portfolio

Issued Patents

5,072,427 – Acoustic Touch Position Sensor With Shear to Lamb Wave Conversion
5,162,618 – Acoustic Touch Position Sensor With First Order Lamb Wave Reflective Arrays
5,177,327 – Acoustic Touch Position Sensor Using Shear Wave Propagation
5,243,148 – Touch Panel For An Acoustic Touch Position Sensor Using Shear Wave Propagation
5,260,521 – Acoustic Touch Position Sensor Using Shear Wave Propagation
5,329,070 – Touch Panel For An Acoustic Touch Position Sensor
5,334,805 – Controller For An Acoustic Wave Touch Panel
5,380,959 – Controller For An Acoustic Touch Panel
5,451,723 – Acoustic Wave Touch Panel For Use With A Non-Active Stylus
5,573,077 – Acoustic Touch Position Sensor
5,648,643 – Acoustic Wave Touch Panel With Inlayed Etched Arrays And Method Of Making The Panel
5,856,820 – Laminated Acoustic Wave Touch Panel
6,087,599 – Touch Panel Having Plastic Substrates
7,106,310 – Acoustic Wave Touch Actuated Switch
7,265,746 – Acoustic Wave Touch Detection Circuit And Method
7,307,627 – Individual Acoustic Wave Switch
7,463,249 – Acoustic Wave Touch Actuated Switch With Feedback
7,511,704 – Acoustic Wave Touch Bar System And Method Of Use
7,812,269 – Acoustic Wave Touch Detection Circuit And Method
9,880,044 – Acoustic Array Sensor
10,551,238 – Ultrasonic Level Sensor For Aerated Fluids
11,320,938 – Acoustic Mode Touch Panel With Selectable Characteristics
11,320,939 – Touch Sensor With Multiple Modes of Operation Increased Reliability And Ease Of Integration

Patents Applied For

Improved Helical Type Liquid Level Sensor
Improved Array Type Liquid Level Sensor

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