Owner NTT DoCoMo, Inc.

Inventors Kawabata, Hiroshi; Kamiya, Dai; Asai, Mao; Watanabe, Nobuyuki; Washio, Satoshi; Kondo, Takashi; Tsuda, Masayuki; Miura, Fumiaki; Yamada, Kazuhiro; Tomioka, Atsuki

Agent Watermark

Pub. Number AU-B-2003201905

PCT Number PCT/JP03/00035

PCT Pub. Number WO2003/058411

Priority 2002-1843 08.01.02 JP

Filing date 7 January 2003

Wipo publication date 24 July 2003

Acceptance publication date 22 February 2007

G06F 21/22 (2006.01) Security arrangements for protecting computers or computer systems against unauthorised activity

G06F 9/445 (2006.01) Arrangements for programme control, e.g. control unit - Programme loading or initiating

G06F 9/54 (2006.01) Arrangements for programme control, e.g. control unit

G06F 13/00 (2006.01) Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units

G06F 21/00 (2006.01) Security arrangements for protecting computers or computer systems against unauthorised activity

H04M 1/725 (2006.01) Substation equipment, e.g. for use by subscribers

H04M 1/2745 (2006.01) Substation equipment, e.g. for use by subscribers