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Patent Searching and Data


Title:
RADIO UNIT
Document Type and Number:
WIPO Patent Application WO/2005/041610
Kind Code:
A1
Abstract:
A radio unit in which information being transmitted by radio is encrypted or information received through a radio transmission line is decrypted at a radio station. In order to transmit information while encrypting a part to be encrypted thereof surely, the radio unit comprises an encryption object specifying means for specifying a part of the transmitting information where both or any one of the contents and the attributes thereof satisfies predetermined conditions, and a means for encrypting the specified part of the transmitting information or information including that part and transmitting the encryption results by radio.

Inventors:
NAKANO HIROFUMI (JP)
Application Number:
PCT/JP2003/013871
Publication Date:
May 06, 2005
Filing Date:
October 29, 2003
Export Citation:
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Assignee:
FUJITSU LTD (JP)
NAKANO HIROFUMI (JP)
International Classes:
H04L12/56; H04W12/02; H04W92/10; (IPC1-7): H04Q7/38
Foreign References:
JP2003023420A2003-01-24
JPH05244150A1993-09-21
JPH0198032A1989-04-17
JPH0946329A1997-02-14
JP2002520923A2002-07-09
JPH11177732A1999-07-02
JPH07312655A1995-11-28
JP2000152337A2000-05-30
JPH08149317A1996-06-07
JP2003161996A2003-06-06
JP2001245127A2001-09-07
JP2001223685A2001-08-17
US20030167394A12003-09-04
US20020129243A12002-09-12
JP2000031980A2000-01-28
US6594707B12003-07-15
Other References:
See also references of EP 1679922A4
Attorney, Agent or Firm:
Furuya, Fumio (9th Floor 19-5, Nishishinjuku 1-chom, Shinjuku-ku Tokyo, JP)
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