EP0167442A2 - Système de communication à sécurité - Google Patents

Système de communication à sécurité Download PDF

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Publication number
EP0167442A2
EP0167442A2 EP85401239A EP85401239A EP0167442A2 EP 0167442 A2 EP0167442 A2 EP 0167442A2 EP 85401239 A EP85401239 A EP 85401239A EP 85401239 A EP85401239 A EP 85401239A EP 0167442 A2 EP0167442 A2 EP 0167442A2
Authority
EP
European Patent Office
Prior art keywords
frequency
receiver
information signal
signal
transmitter
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.)
Withdrawn
Application number
EP85401239A
Other languages
German (de)
English (en)
Other versions
EP0167442A3 (fr
Inventor
William N. Waggener
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.)
Fairchild Weston Systems Inc
Original Assignee
Fairchild Weston Systems Inc
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
Application filed by Fairchild Weston Systems Inc filed Critical Fairchild Weston Systems Inc
Publication of EP0167442A2 publication Critical patent/EP0167442A2/fr
Publication of EP0167442A3 publication Critical patent/EP0167442A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/003—Secret communication by varying carrier frequency at or within predetermined or random intervals
EP85401239A 1984-06-29 1985-06-21 Système de communication à sécurité Withdrawn EP0167442A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62588584A 1984-06-29 1984-06-29
US625885 1984-06-29

Publications (2)

Publication Number Publication Date
EP0167442A2 true EP0167442A2 (fr) 1986-01-08
EP0167442A3 EP0167442A3 (fr) 1986-12-30

Family

ID=24508031

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401239A Withdrawn EP0167442A3 (fr) 1984-06-29 1985-06-21 Système de communication à sécurité

Country Status (3)

Country Link
EP (1) EP0167442A3 (fr)
CA (1) CA1244886A (fr)
IL (1) IL75670A (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247790A2 (fr) * 1986-05-27 1987-12-02 Fairchild Weston Systems Inc. Système de communication sécurisé pour plusieurs unités éloignées
WO1995000936A1 (fr) * 1993-06-23 1995-01-05 Colebrand Limited Balise d'identification
GB2307624A (en) * 1995-11-23 1997-05-28 Motorola Israel Ltd Data transmission for channel hopping communication
GB2456534A (en) * 2008-01-17 2009-07-22 Vodafone Plc Changing communication channels for secure encrypted communications
WO2011079022A1 (fr) * 2009-12-21 2011-06-30 Continental Automotive Systems, Inc. Procédé et dispositifs permettant de maintenir des communications avec un véhicule en cas de brouillage
US8159336B2 (en) 2009-12-21 2012-04-17 Continental Automotive Systems Us, Inc. Apparatus and method for maintaining communication with a stolen vehicle tracking device
GB2485142A (en) * 2010-10-27 2012-05-09 Nds Ltd Secure broadcast/multicast of media content
US8319615B2 (en) 2009-12-21 2012-11-27 Continental Automotive Systems, Inc. Apparatus and method for detecting jamming of communications
US8320872B2 (en) 2009-12-21 2012-11-27 Continental Automotive Systems, Inc. Apparatus and method for broadcasting the detection of RF jammer presence
US8457175B2 (en) 2008-01-29 2013-06-04 Sony Corporation Systems and methods for securing a digital communications link
US8611847B2 (en) 2009-12-21 2013-12-17 Continental Automotive Systems, Inc. Apparatus and method for detecting communication interference
US8639209B2 (en) 2009-12-21 2014-01-28 Continental Automotive Systems, Inc. Apparatus and method for detecting a cloned base station
US8792640B2 (en) 2008-01-29 2014-07-29 Sony Corporation Systems and methods for securing a digital communications link
US8884821B2 (en) 2009-12-21 2014-11-11 Continental Automotive Systems, Inc. Apparatus and method for determining vehicle location
US8896431B2 (en) 2009-12-21 2014-11-25 Continental Automotive Systems, Inc. Apparatus and method for compromised vehicle tracking
US9031538B2 (en) 2012-02-16 2015-05-12 Continental Automotive Systems, Inc. Method and apparatus to determine if a cellular jamming signal is malicious or non-malicious based on received signal strength
US9102293B2 (en) 2009-12-21 2015-08-11 Continental Automotive Systems, Inc. Apparatus and method for reducing false alarms in stolen vehicle tracking
US10027682B2 (en) 2009-12-21 2018-07-17 Continental Automotive Systems, Inc. Apparatus and method for detecting a cloned base station
US10368239B2 (en) * 2013-11-20 2019-07-30 At&T Intellectual Property I, L.P. Method and apparatus for providing broadcast channel encryption to enhance cellular network security

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005428A (en) * 1975-05-15 1977-01-25 Sound Technology, Inc. Secure remote control communication systems
JPS5530227A (en) * 1978-08-24 1980-03-04 Matsushima Kogyo Co Ltd Communication system
FR2485305A1 (fr) * 1980-06-19 1981-12-24 Oak Industries Inc Dispositif de codage de signaux portant des informations numeriques
DE3230726A1 (de) * 1982-08-18 1984-02-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zur stoerresistenten funkuebertragung auf kurzwelle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005428A (en) * 1975-05-15 1977-01-25 Sound Technology, Inc. Secure remote control communication systems
JPS5530227A (en) * 1978-08-24 1980-03-04 Matsushima Kogyo Co Ltd Communication system
FR2485305A1 (fr) * 1980-06-19 1981-12-24 Oak Industries Inc Dispositif de codage de signaux portant des informations numeriques
DE3230726A1 (de) * 1982-08-18 1984-02-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zur stoerresistenten funkuebertragung auf kurzwelle

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IEEE 1977, ULTRASONICS SYMPOSIUM PROCEEDINGS, Phoenix, US, 26th-28th October 1977, pages 505-510, Institute of Electrical and Electronics Engineers, New York, US; J.U. BEUSCH: "Roles of SAW and CCD in current spread spectrum communications systems" *
RADIO AND ELECTRONIC ENGINEER, vol. 52, no. 5, May 1982, pages 246-258, Institution of Electronic and Radio Engineers, London, GB; P.M. GRANT: "The potential application of analogue matched and adaptive filters in spread-spectrum communications" *

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247790A3 (fr) * 1986-05-27 1989-02-08 Fairchild Weston Systems Inc. Système de communication sécurisé pour plusieurs unités éloignées
EP0247790A2 (fr) * 1986-05-27 1987-12-02 Fairchild Weston Systems Inc. Système de communication sécurisé pour plusieurs unités éloignées
WO1995000936A1 (fr) * 1993-06-23 1995-01-05 Colebrand Limited Balise d'identification
GB2307624A (en) * 1995-11-23 1997-05-28 Motorola Israel Ltd Data transmission for channel hopping communication
GB2307624B (en) * 1995-11-23 2000-02-09 Motorola Israel Ltd Data transmission method for a channel hopping communication system
GB2456534A (en) * 2008-01-17 2009-07-22 Vodafone Plc Changing communication channels for secure encrypted communications
US8457175B2 (en) 2008-01-29 2013-06-04 Sony Corporation Systems and methods for securing a digital communications link
US9338412B2 (en) 2008-01-29 2016-05-10 Sony Corporation Systems and methods for securing a digital communications link
US8792640B2 (en) 2008-01-29 2014-07-29 Sony Corporation Systems and methods for securing a digital communications link
WO2011079022A1 (fr) * 2009-12-21 2011-06-30 Continental Automotive Systems, Inc. Procédé et dispositifs permettant de maintenir des communications avec un véhicule en cas de brouillage
US10027682B2 (en) 2009-12-21 2018-07-17 Continental Automotive Systems, Inc. Apparatus and method for detecting a cloned base station
US8320872B2 (en) 2009-12-21 2012-11-27 Continental Automotive Systems, Inc. Apparatus and method for broadcasting the detection of RF jammer presence
US10341362B2 (en) 2009-12-21 2019-07-02 Continental Automotive Systems, Inc. Apparatus and method for detecting a cloned base station
US8611847B2 (en) 2009-12-21 2013-12-17 Continental Automotive Systems, Inc. Apparatus and method for detecting communication interference
US8639209B2 (en) 2009-12-21 2014-01-28 Continental Automotive Systems, Inc. Apparatus and method for detecting a cloned base station
US8175573B2 (en) 2009-12-21 2012-05-08 Continental Automotive Systems, Inc. Apparatus and method for maintaining communications with a vehicle in the presence of jamming
US8884821B2 (en) 2009-12-21 2014-11-11 Continental Automotive Systems, Inc. Apparatus and method for determining vehicle location
US8896431B2 (en) 2009-12-21 2014-11-25 Continental Automotive Systems, Inc. Apparatus and method for compromised vehicle tracking
US8319615B2 (en) 2009-12-21 2012-11-27 Continental Automotive Systems, Inc. Apparatus and method for detecting jamming of communications
US9102293B2 (en) 2009-12-21 2015-08-11 Continental Automotive Systems, Inc. Apparatus and method for reducing false alarms in stolen vehicle tracking
US8159336B2 (en) 2009-12-21 2012-04-17 Continental Automotive Systems Us, Inc. Apparatus and method for maintaining communication with a stolen vehicle tracking device
US9379893B2 (en) 2010-10-27 2016-06-28 Cisco Technology Inc. Content consumption frustration
US10205707B2 (en) 2010-10-27 2019-02-12 Syamedia Limited Content consumption frustration
GB2485142A (en) * 2010-10-27 2012-05-09 Nds Ltd Secure broadcast/multicast of media content
US9031538B2 (en) 2012-02-16 2015-05-12 Continental Automotive Systems, Inc. Method and apparatus to determine if a cellular jamming signal is malicious or non-malicious based on received signal strength
US10368239B2 (en) * 2013-11-20 2019-07-30 At&T Intellectual Property I, L.P. Method and apparatus for providing broadcast channel encryption to enhance cellular network security

Also Published As

Publication number Publication date
EP0167442A3 (fr) 1986-12-30
IL75670A (en) 1989-06-30
CA1244886A (fr) 1988-11-15

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Inventor name: WAGGENER, WILLIAM N.