Piezoelectric identification device and applications thereof

USRE47158E1 · kind E1 · reissue

Assignee

• SONAVATION, INC. · US

Inventors

• Rainer Schmitt · Meckenheim, DE
• Christian Liautaud · Boca Raton, US

Key dates

• Filing date: Aug 11, 2015
• Grant date: Dec 11, 2018
• Expiry date: Aug 11, 2035

Classification

• Technology area (CPC —): General

Abstract

Provided is a transducer having first and second surfaces including first electrode lines positioned along the first surface in a first direction and configured for grounding and second electrode lines positioned along the second surface in a direction orthogonal to the first direction. The second electrode lines are configured switching between receiving and transmitting in an interlaced manner.