Sony Develops New Close Proximity Wireless Transfer Technology

Sony Develops New Close Proximity Wireless Transfer Technology
'TransferJet'; Large Data Quantities Sent at Speeds of 560Mbps with Just a
Touch

Sony today announced "TransferJet", a new Close Proximity Wireless Transfer
Technology enabling the high speed transfer of large data files (photos, HD
images, etc.) between electronic devices such as mobile phones, digital
cameras, digital video cameras, computers and TVs. Using this technology,
data can be sent at speeds of 560Mbps. Sony will present reference exhibits
of this newly developed technology at CES International, to be held in Las
Vegas from January 7th.

TransferJet is an extremely simple wireless technology which eliminates the
need for complex setup and operation. For example, just touching a TV with a
digital camera enables photos to be instantaneously displayed on the TV
screen. Alternatively, downloaded music content can be easily enjoyed by
touching a mobile phone to a portable audio player. TransferJet can be used
as a Universal Interface among a wide variety of consumer

electronics devices.

Sony will actively promote the use of TransferJet across the consumer
electronics industry and seek to enhance the enjoyment of mobile
device-based content through the introduction of various products and
services based on this technology.

1) Simple interface and intuitive operation: "Touch & Get"

Just touch two electronic products together and files are transferred
automatically. TransferJet eliminates the complex setup procedures required
by existing wireless systems, and no access point is necessary. Furthermore,
users are also able to register their electronic products to enable
TransferJet to recognize specific products. For example, by registering only
the devices within their household, users can prevent external data leakage.
Operation is also very intuitive, and as there is no host/target
relationship, data transfer can take place between mobile phones and PCs for
example, as well as between mobile devices.

2) Realizing Stable High Speed Data Transmission

TransferJet's physical layer transmission rate is 560Mbps, and even allowing
for error corrections and protocol overheads, the effective physical layer
transmission rate is 375Mbps. TransferJet is also capable of selecting the
appropriate data transmission rate according to the wireless environment.
Even if the conditions for transmission deteriorate, it will maintain the
highest possible wireless connectivity by automatically lowering the data
transmission rate.

As TransferJet is a close proximity wireless system which radiates very
low-intensity radio waves, it causes almost no interference to other
wireless systems, and there is no impact to performance even if multiple
users simultaneously multiple TransferJet system. Moreover, users of
electronic products incorporating TransferJet technology are able to
transfer data among each other's products regardless of whether they are
indoors or outdoors and irrespective of their geographic location.

3) Development of New "TransferJet Coupler"

Sony's newly developed "TransferJet Coupler" is based on electric induction
field coupling to deliver superior propagation performance compared to
conventional radiation field based antennas. It maintains high transmission
gain and efficient coupling in near-field proximity, while providing sharp
attenuation over longer distances to avoid interference with other wireless
systems. Furthermore, as there is no antenna polarization it is possible to
transmit data without any performance loss, regardless of the contact angle
of the electronic devices.

TransferJet Specifications

Central Frequency: 4.48GHz

Transmission Power: -70dBm/MHz or less (average power)
Corresponds with low intensity radio
wave regulations in Japan, and with local
regulations in respective overseas regions.

Transmission Rate: 560Mbps (Max.) / effective 375Mbps
It is capable of selecting the appropriate
transmission rate depending on the wireless
environment.

Communication Distance: Within 3cm
Source: foxbusiness.com