Breakthrough 3D gesture controller opens new vistas for human-computer interfacing

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Block diagram of the MGC3130 chip driving a set of sensing electrodes

The same electric field adjusts to the presence of a hand

The electric field lines produced by the GestIC technology electrodes in the absence of any perturbing influence

Electrode geometry for Microchip's GestIC gesture recognition technology

An example of the transmitting electrode excitation voltage

Microchip’s Sabrewing MGC3130 Single Zone Evaluation Kit for the MGC3130 electric-field gesture recognition chip

The layers of programming support provided by Microchip for their GestIC system

Another function-level block diagram of the MGC3130 chip

Upper-level function diagram of the MGC3130 chip

Block-level functional diagram of a dual-zone GestIC detection system. While current software does not support this capability, the MGC3130 chip has the needed circuitry for implementation

Sample circuitry for an operational 3D gesture recognition system built around the MGC3130 chip

The MGC3130 chip in a 5x5mm package, resting on a fingertip

Microchip Technologies has developed the world's first gesture recognition chip based on measuring changes in a 3D electric field

Article Summary

The smallest gesture can hide a world of meaning. A particular flick of a baton and a beseeching gesture can transform the key moment of a concert from mundane to ethereal. Alas, computers are seriously handicapped in understanding human gestural language, both in software and hardware. In particular, finding a method for describing gestures presented to a computer as input data for further processing has proven a difficult problem. In response, Microchip Technologies has developed the world's first 3D gesture recognition chip that senses the gesture without contact, through its effect on electric fields.

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