Methods and systems for capacitive motion sensing and...

Details Methods and systems for capacitive motion sensing and... Methods and systems for capacitive motion sensing and...

2005-05-17

2005-05-17

Ramirez, Nestor (Department: 2829)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S658000, C600S595000

Reexamination Certificate

active

06894509

ABSTRACT:
A system for detecting motion and proximity by determining capacitance between a sensor and an object. The sensor includes sensing surfaces made of a thin film of electrically conductive material mounted on a non-conductive surface. In another embodiment, the sensor is a human body. The sensor senses the capacitance between a sensor's surface and an object in its vicinity and provides the capacitance to a control system that directs machine movement. Because the sensor does not require direct contact or line-of-sight with the object, a machine can be controlled before harm occurs to the object.

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