Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RADIO COMMUNICATION SYSTEM, AND RESPONDER
Document Type and Number:
Japanese Patent JP2009206559
Kind Code:
A
Abstract:

To provide a technique capable of improving security in a radio communication system.

The radio communication system is provided with three authentication modes, i.e.: an automatic authentication mode in which when the responder carried by a user enters an authentication area and receives an activation signal 1, a control section generates a response signal 1, the responder returns the response signal 1 to an interrogator from a radio transmission unit by a second radio communication system (UHF); a hand-holding-over authentication mode in which when the responder carried by the user enters an authentication area and receives an activation signal 2, the control section generates a response signal 2, and the responder returns the response signal 2 to the interrogator from a radio transmission/reception unit by a first radio communication system (LF); and a manual authentication mode in which when the responder carried by the user enters the authentication area and receives an activation signal 3 and then the operation section performs operation, the control section generates a response signal 3 and the responder returns the response signal 3 to the interrogator from the radio transmission section by a second radio communication system (UHF).


Inventors:
NABESHIMA HIDEO
MIYAKE TOSHIYUKI
KOROGI TAKESHI
TAKEDA MARI
Application Number:
JP2008000044030
Publication Date:
September 10, 2009
Filing Date:
February 26, 2008
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC ELEC WORKS CO LTD
International Classes:
H04B1/59; G06K17/00; G06K19/00; G06K19/07; G08B25/00; G08B25/04; H04W12/06; H04W84/10; E05B49/00
Domestic Patent References:
JP2007217939A2007-08-30
JP2007006251A2007-01-11
JP2006157439A2006-06-15
JP2004185244A2004-07-02
JP2006352703A2006-12-28
JP2005094584A2005-04-07
JP2003188805A2003-07-04
JP2007310648A2007-11-29
Attorney, Agent or Firm:
小谷 悦司
小谷 昌崇
麻野 義夫
江川 勝
大西 裕人