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Communication system and communication apparatus

A communication system and communication device technology, which can be used in transmission systems, near-field transmission systems, near-field transmission systems using capacitive coupling, etc., and can solve problems such as inability to acquire and large communication speed

Inactive Publication Date: 2008-05-28
SONY GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, worry about not being able to obtain the maximum communication speed

Method used

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  • Communication system and communication apparatus
  • Communication system and communication apparatus
  • Communication system and communication apparatus

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Embodiment Construction

[0065] Hereinafter, embodiments of the present invention are described with reference to the drawings.

[0066] Embodiments of the present invention relate to a communication system for performing data transmission between information devices by using an induction field and / or an electrostatic field. According to a communication system based on capacitive coupling, a coupling relationship is not established and radio waves are not transmitted in the absence of other parties for communicating at a short distance, so that there is no interference with other communication systems. Even if radio waves are transmitted from a distant place, the EFC antenna does not perform radio wave reception, thereby excluding interference from other communication systems.

[0067] In related-art radio communications using antennas, the field strength of a radiated electromagnetic field is attenuated by an amount inversely proportional to distance. Contrary to the above, the induction field atten...

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Abstract

The object of the present invention is to provide a communication system and a communication device that allow large-capacity data communication between information devices applied in the field of communication, wherein the communication system includes: a transmitter with a transmitter for generating a data transmission adaptive RF signal A circuit unit and an electric field coupling antenna for transmitting RF signals with an induction field and / or an electrostatic field; a receiver having an electric field coupling antenna and a receiving circuit unit for receiving and processing an RF signal received through the electric field coupling antenna; and having a receiving circuit unit for receiving and transmitting A plurality of transmitter side electric field coupling antennas for capacitively coupling and outputting RF signals from the electric field coupling antennas, a signal line for transmitting received RF signals, and a capacitor for outputting and receiving side electric field coupling antennas A coupling device that couples and transmits RF signals through a signal line to a plurality of receiving side electric field coupling antennas.

Description

[0001] Cross References to Related Applications [0002] This application contains subject matter of Japanese Patent Application No. 2006-314459 filed in the Japan Patent Office on Nov. 21, 2006, the entire content of which is hereby incorporated by reference. technical field [0003] The present invention relates to a communication system and a communication device for performing large-capacity data communication between information devices, and more particularly, to a communication system for performing data communication between information devices by using an electrostatic field without causing interference with other communication systems and communication devices. [0004] More specifically, embodiments of the present invention relate to a communication system and a communication system for transmitting radio frequency (hereinafter referred to as RF) communication signals between information devices each spaced at an ultra-short distance by using an electrostatic field a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/08G06K19/077
CPCH04B5/0018H04B5/0012H04B5/0081H04B5/28H04B5/22H04B5/26
Inventor 和城贤典
Owner SONY GRP CORP
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