REDTACTON PDF

February 18, RedTacton: An innovative Human Area Networking technology that uses the surface of the human body as a transmission path - Communication through natural human actions: touching, holding, walking - Nippon Telegraph and Telephone Corporation NTT, headquartered in Chiyoda-ku, Tokyo. RedTacton enables the first practical Human Area Network between body-centered electronic devices and PCs or other network devices embedded in the environment via a new generation of user interface based on totally natural human actions such as touching, holding, sitting, walking, or stepping on a particular spot. RedTacton can be used for intuitive operation of computer-based systems in daily life, temporary one-to-one private networks based on personal handshaking, device personalization, security, and a host of other applications based on new behavior patterns enabled by RedTacton. Background Human society is entering an era of ubiquitous computing, when networks are seamlessly interconnected and information is always accessible at our fingertips. The practical implementation of ubiquitous 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. 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.

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It is completely distinct from wireless and infrared technologies as it uses the minute electric field emitted on the surface of the human body.

RedTacton enables the first practical Human Area Network between body-centred electronic devices and PCs or other network devices embedded in the environment via a new generation of user interface based on totally natural human actions such as touching, holding, sitting, walking, or stepping on a particular spot.

RedTacton can be used for intuitive operation of computer-based systems in daily life, temporary one-to-one private networks based on personal handshaking, device personalization, security, and a host of other applications based on new behaviour patterns enabled by RedTacton. Keywords — Networking, Infrared. NTT reckons this latest advance on the wireless Personal Area Network concept - dubbed RedTacton- can transmit data over the surface of the skin at up to 2Mbps.

Where it differs, though, from previous offerings, is that a RedTacton-enabled device does not have to be in direct contact with the skin - only within about 20cm.

Human society is entering an era of ubiquitous computing, when networks are seamlessly interconnected and information is always accessible at our fingertips.

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. Nippon Telegraph and Telephone Corporation NTT is pursuing research and development of an innovative Human Area Networking technology called Redtacton that safely turns the surface of the human body into a data transmission path at speeds up to 10 Mbps between any two points on the body.

Redtacton enables the first practical Human Area Network between body-cantered electronic devices and PCs or other network devices embedded in the environment via a new generation of user interface based on totally natural human actions such as touching, holding, sitting, walking, or stepping on a particular spot.

Redtacton can be used for intuitive operation of computer-based systems in daily life, temporary one-to-one private networks based on personal handshaking, device personalization, security, and a host of other applications based on new behavior patterns enabled by Redtacton.

NTT is committed to moving Redtacton out of the laboratory and into commercial production as quickly as possible by organizing joint field trials with partners outside the company. 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.

Redtacton uses the minute electric field emitted on the surface of the human body. Technically, it is completely distinct from wireless and infrared. A transmission path is formed at the moment when a part of the human body comes in contact with a Redtacton transceiver. Physically separating ends the contact and thus ends the communication. Communication is possible using any body surfaces, such as the hands, fingers, arms, feet, face and legs.

Redtacton works through shoes and clothing as well. The Redtacton transmitter induces a weak electric field on the surface of the body. The Redtacton receiver senses changes in the weak electric field on the surface of the body caused by the transmitter. 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.

Redtacton detects changes in the optical properties of an electro-optic crystal using a laser and converts the result to an electrical signal in an optical receiver circuit. 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.

The remaining electric fields are dissipated to the ground. A communications path can be created with a simple touch, automatically initiating the flow of data between a body- centric electronic device and a computer that is embedded in the environment. For example, two people equipped with Redtacton devices could exchange data just by shaking hands.

A wide range of natural human actions grasping, sitting down, walking, or standing in a particular place can be used to trigger Redtacton to start a networked process. Using a Redtacton electro-optic sensor, two-way communication is supported between any two points on the body at a throughput of up to 10 Mbps.

Unlike wireless technologies, the transmission speed does not deteriorate even in the presence of large crowds of people all communicating at the same time in meeting rooms, auditoriums or stores. Because the body surface is the transmission path, increasing the number of connected users directly increases the available number of individual channels. The signal from the interface is sent to the data sense circuit and the transmitter circuit. The data sense circuit senses the signal and if the data is present it sends control signal to the transmitter which activates the transmitter circuit.

The transmitter circuit varies the electric field on the surface of our body. This change in the electric field is detected by the electro-optic sensor.

Redtacton can utilize a wide range of materials as a transmission medium, as long as the material is conductive and dielectric, which includes water and other liquids, various metals, certain plastics, glass, etc.

Using ordinary structures such as tables and walls that are familiar and readily available, one could easily construct a seamless communication environment at very low cost using Redtacton.

Note that constraints are imposed by the length and environment of the propagating conductor, and by the thickness of the dielectric. Block diagram of Redtacton transceiver. By making Human Area Networks feasible, Redtacton will enable ubiquitous services based on human-centered interactions and therefore more intimate and easier for people to use.

FEATURES Touching, gripping, sitting, walking, stepping and other human movements can be the triggers for unlocking or locking, starting or stopping equipment, or obtaining data. 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 drivers can be downloaded instantly and execute programs can be sent.

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RedTacton Technology

It is completely distinct from wireless and infrared technologies as it uses the minute electric field emitted on the surface of the human body. RedTacton enables the first practical Human Area Network between body-centred electronic devices and PCs or other network devices embedded in the environment via a new generation of user interface based on totally natural human actions such as touching, holding, sitting, walking, or stepping on a particular spot. RedTacton can be used for intuitive operation of computer-based systems in daily life, temporary one-to-one private networks based on personal handshaking, device personalization, security, and a host of other applications based on new behaviour patterns enabled by RedTacton. Keywords — Networking, Infrared. NTT reckons this latest advance on the wireless Personal Area Network concept - dubbed RedTacton- can transmit data over the surface of the skin at up to 2Mbps.

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Redtacton IEEE Report

RedTacton Technology RedTacton Technology This detailed article on Red Tacton technology is developed by our team for students as a Seminar topic for their academic needs. We have referenced various research papers,reports and other documentations for developing this article. We have discussed about various infrared and Bluetooth wireless technologies in our recent posts. But the technology has been advanced that these technologies have been overrated.

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RED TACTON - PowerPoint PPT Presentation

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