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RED TACTON

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INTRODUCTION:

RedTacton is a new Human Area Networking technology that uses the surface of the human body as a safe, high speed network transmission path. The name “Tacton” has originated, as the technology involves touch and action. The word “red” indicates warm and cordial communications.


TECHNICAL APPROACH OF REDTACTON:
RedTacton takes a different technical approach. Instead of relying on electromagnetic waves or light waves to carry data, RedTacton uses weak electric fields on the surface of the body as a transmission medium. A RedTacton transmitter couples with extremely weak electric fields on the surface of the body. The weak electric fields pass through the body to a RedTacton receiver, where the weak electric field affects the optical properties of an electro-optic crystal. The extent to which the optical properties are changed is detected by laser light which is then converted to an electrical signal by a detector circuit.


HOW RED TACTON WORKS??
Using a new super-sensitive photonic electric field sensor, RedTacton can achieve duplex communication over the human body at a maximum speed of 10 Mbps.
1. The RedTacton transmitter induces a weak electric field on the surface of the body.
2. The RedTacton receiver senses changes in the weak electric field on the surface of the body caused by the transmitter.
3. RedTacton relies upon the principle that the optical properties of an electro-optic crystal can vary according to the changes of a weak electric field.
4. RedTacton 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.

5) Security applications:
RedTacton could be installed on doors, cabinets and other locations calling for secure access, such that each secure access could be initiated and authenticated with a simple touch. At the same time, all the transaction details and relevant user attributes (personal identity, security clearance, etc.) could be logged by the security system.

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redtacton

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ABSTRACT
RedTacton is a new innovative Human Area Networking
technology that turns the surface of the human body as a safe, high
speed network transmission path.
RedTacton takes a different technical approach. Instead of relying
on electromagnetic waves or light waves to carry data, RedTacton
uses weak electric fields on the surface of the body as a
transmission medium.


INTRODUCTION
1.1 WHAT IS REDTACTON?
Human society is entering an era of omnipresent computing, when networks
are seamlessly interconnected and information is always accessible at our fingertips.
The practical implementation of omnipresent services requires three levels of
connectivity:
• Wide Area Networks (WAN), typically via the Internet, to remotely connect
all types of severs and terminals;
• Local Area Networks (LAN), typically via Ethernet or WiFi connectivity
among all the information and communication appliances in offices and
homes; and
• Human Area Networks (HAN) for connectivity to personal information, media
and communication appliances within the much smaller sphere of ordinary
daily activities-- the last one meter.


HISTORY OF HAN
In the past, Bluetooth, infrared communications (IrDA), radio frequency ID
systems (RFID), and other technologies have been proposed to solve the "last
meter" connectivity problem. However, they each have various fundamental
technical limitations that constrain their usage, such as the precipitous fall-off in
transmission speed in multi-user environments producing network congestion.
• The concept of intra-body communication was first proposed by IBM in 1996.
• This communication mechanism was later evaluated and reported by several
research groups around the world.



OVERVIEW OF REDTACTON
• RedTacton is a new innovative Human Area Networking technology that
turns the surface of the human body as a safe, high speed network
transmission path.
• RedTacton takes a different technical approach. Instead of relying on
electromagnetic waves or light waves to carry data, RedTacton uses weak
electric fields on the surface of the body as a transmission medium.
• Using RedTacton, communication starts when terminals carried by the
user or embedded in devices are linked in various combinations according
to the user's natural, physical movements.
• Communication is possible using any body surfaces, such as the hands,
fingers, arms, feet, face, legs or toes. RedTacton works through shoes and
clothing as well.

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