DE3685328D1 - Verfahren, system und apparat zum orten und/oder zum verfolgen gestohlener oder vermisster fahrzeuge und dgl. - Google Patents

Verfahren, system und apparat zum orten und/oder zum verfolgen gestohlener oder vermisster fahrzeuge und dgl.

Info

Publication number
DE3685328D1
DE3685328D1 DE8686306527T DE3685328T DE3685328D1 DE 3685328 D1 DE3685328 D1 DE 3685328D1 DE 8686306527 T DE8686306527 T DE 8686306527T DE 3685328 T DE3685328 T DE 3685328T DE 3685328 D1 DE3685328 D1 DE 3685328D1
Authority
DE
Germany
Prior art keywords
transponder
vehicles
reply
vehicle
signals
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 - Fee Related
Application number
DE8686306527T
Other languages
English (en)
Inventor
Sheldon P Apsell
Noval D Stapelfeld
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.)
Lo Jack Corp
Original Assignee
Lo Jack Corp
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 Lo Jack Corp filed Critical Lo Jack Corp
Application granted granted Critical
Publication of DE3685328D1 publication Critical patent/DE3685328D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • G08G1/205—Indicating the location of the monitored vehicles as destination, e.g. accidents, stolen, rental
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/01—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations specially adapted for specific applications
    • G01S2205/05—Anti-theft or abduction
DE8686306527T 1986-03-31 1986-08-22 Verfahren, system und apparat zum orten und/oder zum verfolgen gestohlener oder vermisster fahrzeuge und dgl. Expired - Fee Related DE3685328D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/847,152 US4818998A (en) 1986-03-31 1986-03-31 Method of and system and apparatus for locating and/or tracking stolen or missing vehicles and the like

Publications (1)

Publication Number Publication Date
DE3685328D1 true DE3685328D1 (de) 1992-06-17

Family

ID=25299902

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686306527T Expired - Fee Related DE3685328D1 (de) 1986-03-31 1986-08-22 Verfahren, system und apparat zum orten und/oder zum verfolgen gestohlener oder vermisster fahrzeuge und dgl.

Country Status (10)

Country Link
US (1) US4818998A (de)
EP (1) EP0245555B1 (de)
JP (1) JPS62277579A (de)
AT (1) ATE76201T1 (de)
BR (1) BR8701433A (de)
CA (1) CA1286390C (de)
DE (1) DE3685328D1 (de)
ES (1) ES2007038A6 (de)
HK (1) HK42194A (de)
MX (1) MX166803B (de)

Families Citing this family (196)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252966A (en) * 1987-05-21 1993-10-12 Trw Inc. Transmitter for remote control system for door locks
WO1990005349A1 (en) * 1988-10-31 1990-05-17 Concetta Miccoli Radio tracing system to locate a transmitter
KR920005507B1 (ko) * 1989-05-16 1992-07-06 삼성전자 주식회사 차량 자동추적 시스템의 차량 탑재장치
US5021794A (en) * 1989-08-15 1991-06-04 Lawrence Robert A Personal emergency locator system
FR2651894B1 (fr) * 1989-09-13 1992-04-24 Telecom Systemes Mobiles Sa Systeme radioelectrique de localisation d'un mobile.
GB8924743D0 (en) * 1989-11-02 1989-12-20 Security Alert Ltd Electronic systems for the protection of articles
FR2656133B1 (fr) * 1989-12-14 1994-04-01 Bernard Hernandez Procede de localisation continue dans l'espace et le temps d'un vecteur tel qu'un objet, animal, ou personne, fixe ou mobile, en particulier un vehicule, et systeme pour la mise en óoeuvre du procede.
US5032845A (en) * 1990-02-08 1991-07-16 D.G.R., Inc. Vehicle locating system with Loran-C
US5051741A (en) * 1990-03-28 1991-09-24 Wesby Philip B Locating system
US5119104A (en) * 1990-05-04 1992-06-02 Heller Alan C Location system adapted for use in multipath environments
EP0467036B1 (de) * 1990-06-15 1996-02-07 Savi Technology, Inc. Verfahren und Gerät zur Radioidentifizierung und Zielverfolgung
DE4102816C2 (de) * 1990-07-27 1994-06-30 Diehl Gmbh & Co Hochfrequenz-Kommunikationseinrichtung
EP0556277A1 (de) * 1990-11-06 1993-08-25 Westinghouse Electric Corporation Elektronisches hochfrequenzidentifizierungsetikett mit doppelter funktion
FR2669479B1 (fr) * 1990-11-16 1993-01-22 Thomson Composants Microondes Circuit d'augmentation du debit d'informations dans un systeme d'echange de donnees.
JP3100716B2 (ja) * 1991-01-04 2000-10-23 シーエスアイアール 識別装置
US5208756A (en) * 1991-01-28 1993-05-04 Song Han L Vehicle locating and navigating system
US5159344A (en) * 1991-03-22 1992-10-27 North Atlantic Air, Inc. Aircraft theft detection and location system
GB2259822B (en) * 1991-07-23 1995-08-30 Terrafix Ltd D F Method
US5546445A (en) * 1991-12-26 1996-08-13 Dennison; Everett Cellular telephone system that uses position of a mobile unit to make call management decisions
US5235633A (en) * 1991-12-26 1993-08-10 Everett Dennison Cellular telephone system that uses position of a mobile unit to make call management decisions
US6324404B1 (en) * 1991-12-26 2001-11-27 Sycord Limited Partnership Cellular telephone system that uses position of a mobile unit to make call management decisions
US5264854A (en) * 1992-03-12 1993-11-23 Spiess Newton E Multiple vehicle identification and classification system
FR2691813B1 (fr) * 1992-05-26 1997-12-19 Thomson Csf Systeme pour l'identification et la detection automatique de vehicules ou d'objets.
US5278563A (en) * 1992-09-08 1994-01-11 Spiess Newton E Vehicle identification and classification systems
US5631642A (en) * 1993-03-12 1997-05-20 Austec Electronic Systems Limited Mobile object tracking systems
WO1994023404A1 (en) * 1993-04-01 1994-10-13 Bruno Robert System for selectively positioning and tracking a movable object or individual
US5327144A (en) * 1993-05-07 1994-07-05 Associated Rt, Inc. Cellular telephone location system
US5673305A (en) * 1993-05-14 1997-09-30 Worldwide Notification Systems, Inc. Apparatus and method for tracking and reporting the location of a motor vehicle
WO1994027264A1 (en) * 1993-05-14 1994-11-24 Worldwide Notification Systems, Inc. Apparatus and method of notifying a recipient of an unscheduled delivery
US5714948A (en) * 1993-05-14 1998-02-03 Worldwide Notifications Systems, Inc. Satellite based aircraft traffic control system
US6314366B1 (en) 1993-05-14 2001-11-06 Tom S. Farmakis Satellite based collision avoidance system
US7397363B2 (en) * 1993-06-08 2008-07-08 Raymond Anthony Joao Control and/or monitoring apparatus and method
ZA945192B (en) * 1993-07-19 1995-03-27 Kenneth Herbert Hay Locator beacon and method of locating
US5481258A (en) * 1993-08-11 1996-01-02 Glenayre Electronics, Inc. Method and apparatus for coordinating clocks in a simulcast network
CN1116005A (zh) * 1993-10-28 1996-01-31 摩托罗拉公司 被改造为特定设备外部控制的装置以及所用到的方法
US5508705A (en) * 1994-01-10 1996-04-16 Spiess; Newton E. Vehicle identification classification and communication system
US5469409A (en) * 1994-03-14 1995-11-21 Motorola, Inc. Method for clock calibration in a position determination system
EP0707704B1 (de) * 1994-05-06 2000-02-09 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung für differentielle fahrzeugortung unter kontrolle einer internen statusveränderung
DE4417688C1 (de) * 1994-05-20 1995-07-13 Licentia Gmbh Beweglicher Gegenstand mit einem Transponder
WO1996015517A2 (en) * 1994-11-02 1996-05-23 Visible Interactive Corporation Interactive personal interpretive device and system for retrieving information about a plurality of objects
US5715174A (en) 1994-11-15 1998-02-03 Absolute Software Corporation Security apparatus and method
US6269392B1 (en) * 1994-11-15 2001-07-31 Christian Cotichini Method and apparatus to monitor and locate an electronic device using a secured intelligent agent
US5576716A (en) * 1994-12-07 1996-11-19 Sadler; Kermit M. Owner oriented system for locating lost or stolen property
DE4445180A1 (de) * 1994-12-17 1996-06-20 Sel Alcatel Ag Objektschutz in einem Funksystem
ZA959074B (en) * 1995-04-12 1996-05-22 Lo Jack Corp Vehicle tracking transponder system and transponding method
US5719563A (en) * 1995-07-07 1998-02-17 Teletrac, Inc. Fixed site monitor using a location-based communications network
US7253731B2 (en) 2001-01-23 2007-08-07 Raymond Anthony Joao Apparatus and method for providing shipment information
US10011247B2 (en) * 1996-03-27 2018-07-03 Gtj Ventures, Llc Control, monitoring and/or security apparatus and method
US5895436A (en) * 1996-04-26 1999-04-20 Savoie; Paul-Andreroland Vehicle tracking system using cellular network
GB2329290B (en) * 1996-05-31 2001-04-18 Tracker Network Method of transmitting and receiving data,system and receiver therefor
GB9611425D0 (en) * 1996-05-31 1996-08-07 Tracker Network Uk Ltd Digital communications
US5969595A (en) * 1996-07-22 1999-10-19 Trimble Navigation Limited Security for transport vehicles and cargo
US7764231B1 (en) * 1996-09-09 2010-07-27 Tracbeam Llc Wireless location using multiple mobile station location techniques
US6236365B1 (en) 1996-09-09 2001-05-22 Tracbeam, Llc Location of a mobile station using a plurality of commercial wireless infrastructures
US9134398B2 (en) 1996-09-09 2015-09-15 Tracbeam Llc Wireless location using network centric location estimators
US5890068A (en) * 1996-10-03 1999-03-30 Cell-Loc Inc. Wireless location system
US6812824B1 (en) 1996-10-17 2004-11-02 Rf Technologies, Inc. Method and apparatus combining a tracking system and a wireless communication system
EP0932840A1 (de) * 1996-10-17 1999-08-04 Pinpoint Corporation System zum verfolgen von gegenständen
US5748084A (en) * 1996-11-18 1998-05-05 Isikoff; Jeremy M. Device security system
US5742233A (en) * 1997-01-21 1998-04-21 Hoffman Resources, Llc Personal security and tracking system
US8466795B2 (en) 1997-01-21 2013-06-18 Pragmatus Mobile LLC Personal security and tracking system
US6624754B1 (en) * 1998-01-20 2003-09-23 Hoffman Resources Llc Personal security and tracking system
US6034603A (en) * 1997-01-24 2000-03-07 Axcess, Inc. Radio tag system and method with improved tag interference avoidance
US6570487B1 (en) 1997-01-24 2003-05-27 Axcess Inc. Distributed tag reader system and method
DE19707537A1 (de) 1997-02-25 1998-08-27 Alsthom Cge Alcatel Verfahren zur Weitergabe von Informationen zwischen beweglichen Körpern und Kommunikationseinrichtung zur Durchführung des Verfahrens
US5955965A (en) * 1997-03-10 1999-09-21 Calandruccio; Michael J. Bicycle locating system
US5844482A (en) * 1997-05-20 1998-12-01 Guthrie; Warren E. Tagging system using motion detector
DE19732643A1 (de) * 1997-07-29 1999-02-04 Siemens Ag Schaltungsanordnung zum manipuliergeschützten Empfangen eines OOK-modulierten Signals
US6560461B1 (en) 1997-08-04 2003-05-06 Mundi Fomukong Authorized location reporting paging system
US6079367A (en) * 1997-10-10 2000-06-27 Dogwatch, Inc. Animal training apparatus and method
US5983238A (en) * 1997-12-26 1999-11-09 Diamond Id Gemstons identification tracking and recovery system
US6317049B1 (en) 1998-02-17 2001-11-13 Souhail Toubia Apparatus and method for locating missing persons, animals, and objects
US6114957A (en) * 1998-02-19 2000-09-05 Innotek Pet Products, Inc. Pet locator system
US6154136A (en) * 1998-02-26 2000-11-28 Van Eeden; Hendrik Lodewyk Free running RF identification system with increasing average inter transmission intervals
US9075136B1 (en) 1998-03-04 2015-07-07 Gtj Ventures, Llc Vehicle operator and/or occupant information apparatus and method
GB2337173A (en) * 1998-04-28 1999-11-10 Roke Manor Research Stage light steering
US6040774A (en) * 1998-05-27 2000-03-21 Sarnoff Corporation Locating system and method employing radio frequency tags
US5945947A (en) * 1998-06-25 1999-08-31 Doppler Systems, Inc. Synthetic doppler direction finder for use with FSK encoded transmitters
US6314281B1 (en) * 1998-07-14 2001-11-06 Lucent Technologies Inc. Method and apparatus for precisely locating a mobile unit
US6330452B1 (en) 1998-08-06 2001-12-11 Cell-Loc Inc. Network-based wireless location system to position AMPs (FDMA) cellular telephones, part I
US6204812B1 (en) 1998-10-09 2001-03-20 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals, part II
US6266014B1 (en) 1998-10-09 2001-07-24 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals part IV
US6208297B1 (en) 1998-10-09 2001-03-27 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals, part I
GB9826873D0 (en) * 1998-12-07 1999-01-27 Simoco Int Ltd Position monitoring system
AU3586700A (en) * 1999-02-04 2000-08-25 Pinpoint Corporation Technique for filtering signals in a local positioning system
US6294953B1 (en) 1999-02-26 2001-09-25 Axcess, Inc. High sensitivity demodulator for a radio tag and method
AU774006B2 (en) 1999-03-17 2004-06-10 Komatsu Limited Communication device of mobile unit
US20030169150A1 (en) * 1999-03-23 2003-09-11 Brendzel Henry Tzvi Arrangement for prevention of motor vehicle thefts
US6531955B1 (en) * 1999-03-23 2003-03-11 Henry Tzvi Brendzel Arrangement for prevention of motor vehicle thefts
US6606556B2 (en) 1999-03-31 2003-08-12 C2 Global Technologies, Inc. Security and tracking system
US6510380B1 (en) 1999-03-31 2003-01-21 C2 Global Technologies, Inc. Security and tracking system
US6889135B2 (en) 1999-03-31 2005-05-03 C2 Global Technologies, Inc. Security and tracking system
US8321124B2 (en) * 1999-03-31 2012-11-27 C2 Global Technologies, Inc. Security and tracking system
EP1232614A2 (de) * 1999-05-28 2002-08-21 Basic Resources, Inc. Drahtloses netzwerk mit knoten-zu-knoten datenbenachrichtigung
US7027773B1 (en) 1999-05-28 2006-04-11 Afx Technology Group International, Inc. On/off keying node-to-node messaging transceiver network with dynamic routing and configuring
US7005985B1 (en) 1999-07-20 2006-02-28 Axcess, Inc. Radio frequency identification system and method
US6298306B1 (en) * 1999-07-28 2001-10-02 Motorola, Inc. Vehicle locating system utilizing global positioning
US7787965B2 (en) * 1999-08-10 2010-08-31 Disney Enterprises, Inc. Management of the flow of persons in entertainment environments
US6173209B1 (en) 1999-08-10 2001-01-09 Disney Enterprises, Inc. Method and system for managing attraction admission
US7047205B2 (en) * 1999-08-10 2006-05-16 Disney Enterprises, Inc. Management of the flow of persons in relation to centers of crowd concentration via priority control
US7222080B2 (en) * 1999-08-10 2007-05-22 Disney Enterprises, Inc. Management of the flow of persons in relation to centers of crowd concentration
US7400932B2 (en) * 1999-08-10 2008-07-15 Disney Enterprises, Inc. Management of the flow of persons and advertisement distribution via wireless media
US7532941B2 (en) * 1999-08-10 2009-05-12 Disney Enterprises, Inc. Management of the flow of persons in relation to centers of crowd concentration via wireless control
US7801629B2 (en) * 1999-08-10 2010-09-21 Disney Enterprises, Inc. Management of the flow of passengers, baggage and cargo in relation to travel facilities
US7720718B2 (en) * 1999-08-10 2010-05-18 Disney Enterprises, Inc. Management of the flow of persons in relation to centers of crowd concentration via television control
US6456239B1 (en) 1999-08-25 2002-09-24 Rf Technologies, Inc. Method and apparatus for locating mobile tags
US6965866B2 (en) * 2000-05-01 2005-11-15 Elliot Klein Product warranty registration system and method
US20010037248A1 (en) * 2000-05-01 2001-11-01 Elliot Klein Product warranty registration system and method
CA2292280A1 (en) 1999-11-22 2001-05-22 Daniel Martens Method and apparatus for remote location, identification and/or control of motor vehicles
US7286158B1 (en) 1999-12-22 2007-10-23 Axcess International Inc. Method and system for providing integrated remote monitoring services
US6404388B1 (en) 2000-01-21 2002-06-11 At&T Wireless Services, Inc. Method and apparatus for enhanced 911 location using power control in a wireless system
US7768546B1 (en) 2000-05-12 2010-08-03 Axcess International, Inc. Integrated security system and method
US7091821B2 (en) * 2000-05-30 2006-08-15 Kolombo Technologies Ltee Vehicle anti-theft system and method
US10641861B2 (en) 2000-06-02 2020-05-05 Dennis J. Dupray Services and applications for a communications network
US9875492B2 (en) 2001-05-22 2018-01-23 Dennis J. Dupray Real estate transaction system
US10684350B2 (en) 2000-06-02 2020-06-16 Tracbeam Llc Services and applications for a communications network
US20020119791A1 (en) * 2001-02-28 2002-08-29 Zhongze Bai Method and system for locating target destinations within short ranges
CA2438172C (en) 2001-03-12 2007-01-16 Eureka Technology Partners, Llc Article locator system
WO2003029837A2 (en) * 2001-10-03 2003-04-10 Martin Kenneth L System for tracking and monitoring vessels
US8977284B2 (en) 2001-10-04 2015-03-10 Traxcell Technologies, LLC Machine for providing a dynamic data base of geographic location information for a plurality of wireless devices and process for making same
US6693530B1 (en) * 2001-10-16 2004-02-17 At&T Corp. Home security administration platform
USRE49644E1 (en) 2002-03-14 2023-09-05 Odyssey Wireless, Inc. Systems and/or methods of data acquisition from a transceiver
WO2003096128A2 (en) * 2002-03-14 2003-11-20 Eices Research, Inc. A cooperative vehicular identification system
US20030201237A1 (en) * 2002-04-26 2003-10-30 Grichar Charles Newton Shale shakers
US10562492B2 (en) * 2002-05-01 2020-02-18 Gtj Ventures, Llc Control, monitoring and/or security apparatus and method
US7536169B2 (en) * 2002-05-17 2009-05-19 Lojack Operating Company Lp Method of and apparatus for utilizing geographically spread cellular radio networks to supplement more geographically limited stolen vehicle recovery radio networks in activation of radio tracking and recovery of such vehicles
US6630891B1 (en) 2002-05-27 2003-10-07 Emery W. Dilling Vehicle warning system
US6819245B1 (en) 2002-05-27 2004-11-16 Emery W. Dilling Security system
JP4172625B2 (ja) * 2002-06-27 2008-10-29 富士通テン株式会社 盗難防止装置、及び盗難防止補助装置
US6975204B1 (en) 2002-07-11 2005-12-13 Raytheon Company Method and apparatus for preventing unauthorized use of equipment
US7973649B2 (en) * 2002-09-10 2011-07-05 Lojack Operating Company Lp Method of an apparatus for sensing the unauthorized movement of vehicles and the like and generating an alarm or warning of vehicle theft
US6791471B2 (en) * 2002-10-01 2004-09-14 Electric Data Systems Communicating position information between vehicles
US8601606B2 (en) 2002-11-25 2013-12-03 Carolyn W. Hafeman Computer recovery or return
US20040127197A1 (en) * 2002-12-30 2004-07-01 Roskind James A. Automatically changing a mobile device configuration
US20040127198A1 (en) * 2002-12-30 2004-07-01 Roskind James A. Automatically changing a mobile device configuration based on environmental condition
US20030120613A1 (en) * 2003-01-28 2003-06-26 Jayant Neogi Customizing objects and materials with digital identifiers
US6952646B2 (en) * 2003-05-14 2005-10-04 Chang Industry, Inc. Tracking device and associated system and method
US7106211B2 (en) * 2003-05-20 2006-09-12 Lojack Corporation Method of and apparatus for vehicle inspection and the like with security for the inspector and facility for radio tracking of a vehicle attempting escape from the inspector
US8712428B2 (en) * 2003-07-19 2014-04-29 Polaris Wireless, Inc. Location estimation of wireless terminals through pattern matching of deduced signal strengths
US7116987B2 (en) * 2003-07-19 2006-10-03 Polaris Wireless, Inc. Location estimation of wireless terminals through pattern matching of deduced and empirical signal-strength measurements
WO2005043480A1 (en) * 2003-10-24 2005-05-12 Mobilarm Pty Ltd A maritime safety system
ES2303044T3 (es) * 2004-01-12 2008-08-01 Lojack Corporation Deteccion del movimiento de un vehiculo.
US7841120B2 (en) 2004-03-22 2010-11-30 Wilcox Industries Corp. Hand grip apparatus for firearm
US7362258B2 (en) * 2004-03-31 2008-04-22 Honda Motor Co., Ltd. Transponder detection system using radio and light wave signals
US7210625B2 (en) * 2004-05-20 2007-05-01 Watlow Electric Manufacturing Company System and method for managing asset information
US6977612B1 (en) 2004-06-29 2005-12-20 Electronic Data Systems Corporation System and method for wireless asset tracking
US7561102B2 (en) * 2004-07-08 2009-07-14 Lojack Operating Company, Lp Method of and system for expanding localized missing customer-vehicle law enforcement-aided VHF recovery networks with location-on-demand supplemental service features via such networks for improved law enforcement-aided recovery, and via the internet for providing supplemental customer service features
US7342483B2 (en) * 2004-08-03 2008-03-11 General Motors Corporation Method for contacting stolen vehicles
US8174383B1 (en) 2004-08-26 2012-05-08 Avante International Technology, Inc. System and method for operating a synchronized wireless network
US7319397B2 (en) * 2004-08-26 2008-01-15 Avante International Technology, Inc. RFID device for object monitoring, locating, and tracking
US7839289B2 (en) * 2004-08-26 2010-11-23 Avante International Technology, Inc. Object monitoring, locating, and tracking system and method employing RFID devices
US7423535B2 (en) * 2004-08-26 2008-09-09 Avante International Technology, Inc. Object monitoring, locating, and tracking method employing RFID devices
US7342497B2 (en) * 2004-08-26 2008-03-11 Avante International Technology, Inc Object monitoring, locating, and tracking system employing RFID devices
US20060145871A1 (en) * 2004-12-02 2006-07-06 Smith & Nephew, Inc. Radio Frequency Identification for Medical Devices
USRE45061E1 (en) * 2005-03-14 2014-08-05 Santa Monica Semiconductor, Llc System and method for locating objects and communicating with the same
US9547780B2 (en) * 2005-03-28 2017-01-17 Absolute Software Corporation Method for determining identification of an electronic device
US7353034B2 (en) 2005-04-04 2008-04-01 X One, Inc. Location sharing and tracking using mobile phones or other wireless devices
US20060261981A1 (en) * 2005-05-18 2006-11-23 Frank Romano Vehicle locating unit proof of life subsystem and method
US7504965B1 (en) 2005-08-05 2009-03-17 Elsag North America, Llc Portable covert license plate reader
US7366614B2 (en) * 2005-11-04 2008-04-29 Roy Russell L Methods and apparatus for emergency rig monitoring
WO2007133690A2 (en) 2006-05-11 2007-11-22 Axcess International Inc. Radio frequency identification (rfid) tag antenna design
US7819312B2 (en) * 2006-06-30 2010-10-26 Caterpillar Inc Method and system for operating machines
US7677452B2 (en) * 2006-06-30 2010-03-16 Caterpillar Inc. Method and system for providing signatures for machines
US7690565B2 (en) * 2006-06-30 2010-04-06 Caterpillar Inc. Method and system for inspecting machines
WO2008039072A1 (en) * 2006-09-29 2008-04-03 Tracking Systems As A system for tracking objects
JP4270258B2 (ja) * 2006-10-02 2009-05-27 セイコーエプソン株式会社 液滴吐出ヘッド、液滴吐出装置、液滴吐出ヘッドの製造方法及び液滴吐出装置の製造方法
US7808371B2 (en) 2006-10-03 2010-10-05 2862-8030 Quebec Inc. Vehicle fleet security system
US20080136641A1 (en) * 2006-12-06 2008-06-12 Algotronix, Ltd. Thermal Active Tag for Electronic Designs and Intellectual Property Cores
JP2010518468A (ja) 2007-01-16 2010-05-27 アブソリュート ソフトウェア コーポレイション ホストエージェントと協働する補助エージェントを備えたセキュリティモジュール
US7825782B2 (en) * 2007-03-20 2010-11-02 Ford Global Technologies, Llc Device and method for wireless vehicle communication
US7570196B1 (en) * 2007-05-01 2009-08-04 L-3 Communications Corporation Apparatus, method, computer program product and system providing asynchronous transmission of communications data using time-gated techniques
US7518502B2 (en) 2007-05-24 2009-04-14 Smith & Nephew, Inc. System and method for tracking surgical assets
PL2245606T3 (pl) * 2008-02-14 2015-08-31 Lojack Corp System odzysku obiektów wartościowych
WO2009108719A1 (en) * 2008-02-25 2009-09-03 Recovery Systems Holdings, Llc Vehicle security and monitoring system
US7952363B2 (en) * 2008-04-25 2011-05-31 Comsonics, Inc. System and method for sorting detection of signal egress from a wired communication system
US20090312036A1 (en) 2008-06-16 2009-12-17 Skyhook Wireless, Inc. Methods and systems for improving the accuracy of expected error estimation in location determinations using a hybrid cellular and wlan positioning system
US8638194B2 (en) 2008-07-25 2014-01-28 Axcess International, Inc. Multiple radio frequency identification (RFID) tag wireless wide area network (WWAN) protocol
US8169328B2 (en) * 2009-06-09 2012-05-01 Lojack Operating Company, Lp Proximity monitoring and locating system
US8229518B2 (en) * 2009-10-21 2012-07-24 Lojack Operating Company, Lp Duty cycle estimation system and method
US8618957B2 (en) 2009-10-23 2013-12-31 Lojack Corporation Power management system and method for vehicle locating unit
GB2478960B (en) * 2010-03-25 2012-08-22 Guidance Ip Ltd An apparatus for measuring the relative direction of a radio signal
US9538493B2 (en) 2010-08-23 2017-01-03 Finetrak, Llc Locating a mobile station and applications therefor
CN101975579B (zh) * 2010-09-30 2012-11-28 深圳市同洲电子股份有限公司 一种车辆轨迹回放的方法、系统及车载监控装置
DE102010054087A1 (de) * 2010-12-10 2012-06-14 Audi Ag Verfahren zur drahtlosen Kommunikation zwischen einem Kraftfahrzeug und wenigstens einem anderen Kommunikationsteilnehmer und Kraftfahrzeug
US9253753B2 (en) * 2012-04-24 2016-02-02 Zetta Research And Development Llc-Forc Series Vehicle-to-vehicle safety transceiver using time slots
US10546441B2 (en) 2013-06-04 2020-01-28 Raymond Anthony Joao Control, monitoring, and/or security, apparatus and method for premises, vehicles, and/or articles
US10024971B2 (en) * 2013-07-16 2018-07-17 Walter Fields Apparatus, system and method for locating a lost instrument or object
US10963978B2 (en) 2015-05-15 2021-03-30 Overhaul Group, Inc. Enhanced alert/notification system for law enforcement identifying and tracking of stolen vehicles and cargo
EP3637738B1 (de) * 2016-01-22 2023-05-03 The Raymond Corporation Systeme und verfahren für ein materialhandhabungsfahrzeugnetzwerk
EP3255619A1 (de) 2016-06-10 2017-12-13 Micro APPS Group Inventions LLC Drahtlose persönliche sicherheitsvorrichtung
US10461868B2 (en) 2017-07-05 2019-10-29 Calamp Wireless Networks Corporation Systems and methods for reducing undesirable behaviors in RF communications
US10243766B2 (en) 2017-07-05 2019-03-26 Lojack Corporation Systems and methods for determining and compensating for offsets in RF communications
US10367457B2 (en) 2017-07-06 2019-07-30 Calamp Wireless Networks Corporation Single stage ramped power amplifiers
WO2019075138A1 (en) * 2017-10-10 2019-04-18 Overhaul Group, Inc. ENHANCED ALERT / NOTIFICATION SYSTEM FOR THE IDENTIFICATION AND MONITORING OF STOLEN VEHICLES AND GOODS STOLEN BY THE FORCES OF THE ORDER
CN112415483B (zh) * 2020-10-27 2022-08-09 四川九洲空管科技有限责任公司 一种二次监视雷达发射机功率的自动测量方法
US11900778B1 (en) 2023-03-29 2024-02-13 Micro Apps Group Inventions, LLC System for improving safety in schools

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750178A (en) * 1959-05-22 1973-07-31 Itt Radio location detection system
US3357020A (en) * 1966-04-04 1967-12-05 Jr William M Slifter Method and apparatus for locating and visually indicating the position of a vehicle
US3646580A (en) * 1969-07-18 1972-02-29 Raytheon Co Surface vehicle fleet command and control system
US3714650A (en) * 1970-07-30 1973-01-30 Raytheon Co Vehicle command and control system
US3720911A (en) * 1971-06-15 1973-03-13 T Bomar Motor vehicle identification and speed control system
GB1329902A (en) * 1971-06-30 1973-09-12 Cossor Ltd A C Automatic communication systems and transponders therefor
US3772668A (en) * 1971-12-29 1973-11-13 Lectrolarm Custom Systems Freight security system
US3824469A (en) * 1972-06-16 1974-07-16 M Ristenbatt Comprehensive automatic vehicle communication, paging, and position location system
US3900848A (en) * 1973-07-20 1975-08-19 Sperry Rand Corp Synchronous pulse digital filter
US4021807A (en) * 1975-04-02 1977-05-03 Texas Instruments Incorporated Beacon tracking system
US4023176A (en) * 1975-04-02 1977-05-10 Texas Instruments Incorporated Beacon tracking display system
US4112421A (en) * 1975-04-16 1978-09-05 Information Identification Company, Inc. Method and apparatus for automatically monitoring objects
JPS51128289A (en) * 1975-04-30 1976-11-09 Toshiba Corp Scanning pattern object discriminator
US4041486A (en) * 1975-11-10 1977-08-09 Rca Corporation Pulse stream identification circuit
CA1122686A (en) * 1977-05-31 1982-04-27 David W. Wind Locating device
FR2407487A1 (fr) 1977-10-26 1979-05-25 Dassault Electronique Procede pour faciliter l'exploitation a un aerodrome de messages radar de reponse recus a partir d'avions et installation pour la mise en oeuvre de ce procede
US4177466A (en) * 1977-11-16 1979-12-04 Lo-Jack Corporation Auto theft detection system
US4173016A (en) * 1978-01-04 1979-10-30 Dickson Carlisle H Interpersonal-introduction signalling system
US4186351A (en) * 1978-11-01 1980-01-29 Gte Sylvania Incorporated Signal strength indicator circuit for a radio receiver employing AGC
DE3026143C2 (de) * 1980-07-10 1984-10-04 Honeywell Gmbh, 6050 Offenbach Verfahren und Schaltungsanordnung zur Informationsübertragung
US4359733A (en) * 1980-09-23 1982-11-16 Neill Gerard K O Satellite-based vehicle position determining system
US4651156A (en) * 1982-02-08 1987-03-17 Mcgraw-Edison Co. Integrated radio location and communication system
US4471345A (en) * 1982-03-05 1984-09-11 Sensormatic Electronics Corporation Randomized tag to portal communication system
US4596988A (en) * 1983-06-10 1986-06-24 Wanka James T Remote controlled tracking transmitter and tracking support system
US4494119A (en) * 1983-08-04 1985-01-15 122923 Canada Limited Distress radiolocation method and system
US4636796A (en) * 1984-06-15 1987-01-13 General Research Of Electronics, Inc. Radio direction finding system

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ES2007038A6 (es) 1989-06-01
HK42194A (en) 1994-05-13
CA1286390C (en) 1991-07-16
JPS62277579A (ja) 1987-12-02
ATE76201T1 (de) 1992-05-15
EP0245555A1 (de) 1987-11-19
EP0245555B1 (de) 1992-05-13
BR8701433A (pt) 1987-12-29
JPH0562957B2 (de) 1993-09-09
MX166803B (es) 1993-02-08
US4818998A (en) 1989-04-04

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