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Red Tacton Case

Essay by   •  February 2, 2012  •  Essay  •  498 Words (2 Pages)  •  1,461 Views

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Using a new super-sensitive photonic electric field sensor, Red Tacton can

achieve duplex communication over the human body at a maximum speed of 10 mbps

The Red Tacton transmitter induces a weak electric field on the surface of the

body. The Red Tacton receiver senses changes in the weak electric field on the surface of the

body caused by the transmitter .Red tacton relies upon the principle that the optical properties of

an electro-optic crystal can vary according to the changes of a weak electric field. Red Tacton

detects changes in the optical properties of an electro-optic crystal using a laser and converts the

result to an electrical signal in a optical receiver circuit. The transmitter sends data by inducing

fluctuations in the minute electric field on the surface of the human body. Data is received using a

photonic electric field sensor that combines an electro-optic crystal and a laser light to detect

fluctuations in the minute electric field.

The naturally occurring electric field induced on the surface of the human

body dissipates into the earth. Therefore, this electric field is exceptionally faint and unstable.

The photonic electric field sensor developed by NTT enables weak electric fields to be measured

by detecting changes in the optical properties of an electro-optic crystal with a laser beam.

1. TOUCH:-

Touching, gripping, sitting, walking, stepping and other human movements can be the

triggers for unlocking or locking, starting or stopping equipment, or obtaining data. using Red Tacton,

communication starts when terminals carried by the user or embedded in devices are linked in various

combinations through physical contact according to the human's natural movements.

2.BROADBAND & INTERACTIVE

Duplex, interactive communication is possible at a maximum speed of 10Mbps. Because

the transmission path is on the surface of the body, transmission speed does not deteriorate in congested

areas where many people are communicating at the same time .Taking advantage of this speed, device

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