GB2388743B - Apparatus and process for transmitting a decoy signal to a mobile phone - Google Patents

Apparatus and process for transmitting a decoy signal to a mobile phone

Info

Publication number
GB2388743B
GB2388743B GB0021165A GB0021165A GB2388743B GB 2388743 B GB2388743 B GB 2388743B GB 0021165 A GB0021165 A GB 0021165A GB 0021165 A GB0021165 A GB 0021165A GB 2388743 B GB2388743 B GB 2388743B
Authority
GB
United Kingdom
Prior art keywords
transmitting
mobile phone
decoy signal
decoy
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB0021165A
Other versions
GB0021165D0 (en
GB2388743A (en
Inventor
Eric Pite
Pierre Marchand
Adrien Desportes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagem SA
Original Assignee
Sagem SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR9909870A priority Critical patent/FR2797139B1/en
Priority to DE10035981A priority patent/DE10035981B4/en
Application filed by Sagem SA filed Critical Sagem SA
Priority to GB0021165A priority patent/GB2388743B/en
Publication of GB0021165D0 publication Critical patent/GB0021165D0/en
Publication of GB2388743A publication Critical patent/GB2388743A/en
Application granted granted Critical
Publication of GB2388743B publication Critical patent/GB2388743B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0021165A 1999-07-29 2000-08-29 Apparatus and process for transmitting a decoy signal to a mobile phone Expired - Lifetime GB2388743B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9909870A FR2797139B1 (en) 1999-07-29 1999-07-29 DEVICE AND METHOD FOR TRANSMITTING A MISLEADING SIGNAL FOR A MOBILE TELEPHONE
DE10035981A DE10035981B4 (en) 1999-07-29 2000-07-24 Apparatus and method for sending a beacon signal to a mobile telephone
GB0021165A GB2388743B (en) 1999-07-29 2000-08-29 Apparatus and process for transmitting a decoy signal to a mobile phone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9909870A FR2797139B1 (en) 1999-07-29 1999-07-29 DEVICE AND METHOD FOR TRANSMITTING A MISLEADING SIGNAL FOR A MOBILE TELEPHONE
GB0021165A GB2388743B (en) 1999-07-29 2000-08-29 Apparatus and process for transmitting a decoy signal to a mobile phone

Publications (3)

Publication Number Publication Date
GB0021165D0 GB0021165D0 (en) 2000-10-11
GB2388743A GB2388743A (en) 2003-11-19
GB2388743B true GB2388743B (en) 2004-04-07

Family

ID=31995647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0021165A Expired - Lifetime GB2388743B (en) 1999-07-29 2000-08-29 Apparatus and process for transmitting a decoy signal to a mobile phone

Country Status (3)

Country Link
DE (1) DE10035981B4 (en)
FR (1) FR2797139B1 (en)
GB (1) GB2388743B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2343088A (en) * 1998-10-20 2000-04-26 Samsung Electronics Co Ltd Method of detecting the presence of a mobile phone in a restricted area

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3005496B2 (en) * 1997-05-21 2000-01-31 日本電気株式会社 Transmission restriction device, wireless transmission / reception terminal device, and transmission restriction system using the same
EP0956674A1 (en) * 1997-10-02 1999-11-17 NIKKO Co., Ltd. Apparatus for protecting against radiowave transmission from a mobile communication device
DE19831627A1 (en) * 1998-07-15 2000-01-20 Gerd Heinrichs Control with transmission reception and control unit for switching off mobile telephones and other electronic devices or to activate on-vehicle control unit in locations where interference may occur

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2343088A (en) * 1998-10-20 2000-04-26 Samsung Electronics Co Ltd Method of detecting the presence of a mobile phone in a restricted area

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP2000092546 JP2000134657 *
JP2000152308 *

Also Published As

Publication number Publication date
DE10035981B4 (en) 2010-07-29
GB0021165D0 (en) 2000-10-11
FR2797139A1 (en) 2001-02-02
GB2388743A (en) 2003-11-19
DE10035981A1 (en) 2001-03-01
FR2797139B1 (en) 2001-09-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120426 AND 20120502

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120503 AND 20120509

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20180920 AND 20180926

PE20 Patent expired after termination of 20 years

Expiry date: 20200828