Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 15 - Tags attached to, or associated with, an object, in order to enable detection of the object
Patents for G01V 15 - Tags attached to, or associated with, an object, in order to enable detection of the object (2,419)
08/1989
08/16/1989EP0327565A1 Method and device for locating concealed junction boxes
08/15/1989US4857891 Random-filament, multi-directionally responsive marker for use in electronic article surveillance systems
07/1989
07/27/1989WO1989006810A1 Installation and detection method for concealed objects
07/11/1989CA1257361A2 Method and apparatus for producing electromagnetic surveillance fields
05/1989
05/23/1989CA1254497A1 Reinforced metallic and polymer tape
05/23/1989CA1254495A1 Sealed edge detectable tape
04/1989
04/20/1989WO1989003537A1 Inductive proximity detector
04/06/1989DE3832289A1 Artikel mit integriertem marker Articles with integrated marker
04/04/1989US4818998 Method of and system and apparatus for locating and/or tracking stolen or missing vehicles and the like
03/1989
03/29/1989EP0308718A2 Apparatus for marking particular spots of a submarine construction
03/16/1989DE3828691A1 Magnetic marker anti-shoplifting system for supermarket
03/07/1989US4811030 Marker for subterranean marking and a novel application for such a marker
02/1989
02/01/1989EP0301127A1 Transponder arrangement
01/1989
01/03/1989US4795995 Method and apparatus for producing electromagnetic surveillance fields
12/1988
12/15/1988WO1988009979A1 Article detection and/or recognition using magnetic devices
12/14/1988EP0295085A1 Article detection and/or recognition using magnetic devices
12/14/1988EP0295028A1 Magnetic devices
11/1988
11/22/1988EP0195070A4 Method and apparatus for producing electromagnetic surveillance fields.
11/01/1988US4781958 Sealed edge detectable tape
10/1988
10/19/1988CN87107286A Method and apparatus for detecting counterfeit articles
08/1988
08/30/1988US4767237 Marking tape with wire conductors and methods for use
08/24/1988EP0090021B1 A marker for subterrenean marking and a novel application for such a marker
08/16/1988US4764725 Apparatus for detecting counterfeit currency using two coils to produce a saturating magnetic field
08/16/1988CA1240756A1 Method and apparatus for producing electromagnetic surveillance fields
06/1988
06/21/1988US4752680 Tags for identification system
06/16/1988WO1988004436A1 Means and method of locating covered artifacts
06/15/1988EP0271245A2 Method and apparatus for detecting counterfeit articles
06/14/1988US4751516 Antenna system for magnetic and resonant circuit detection
05/1988
05/25/1988EP0268420A2 Marker for detecting buried object
05/17/1988US4745401 RF reactivatable marker for electronic article surveillance system
05/10/1988US4743890 Combined high and ow-coercivity ferromagnetic strips; alloy of cobalt, nickel, iron
05/03/1988US4742340 Method and apparatus for detecting counterfeit articles
04/1988
04/21/1988WO1988002852A1 Method and device for locating concealed junction boxes
03/1988
03/29/1988US4734643 Method and apparatus for detecting the presence of magnetic ink within a package by magnetizing and selectively remagnitizing the ferro-magnetic materials in the package
03/08/1988US4730188 Identification system
03/02/1988EP0257624A2 Marking tape with wire conductors and method for use
03/01/1988CA1233539A1 Crossed beam high frequency anti-theft system
01/1988
01/07/1988DE3621710A1 Device for detecting the presence of a part in an accommodating recess
12/1987
12/08/1987US4712094 Self-orienting passive marker structure
12/02/1987EP0247854A2 Passive marker structure
11/1987
11/19/1987EP0245555A1 Method of and system and apparatus for locating and/or tracking stolen or missing vehicles and the like
10/1987
10/13/1987US4700179 Crossed beam high frequency anti-theft system
10/13/1987US4699838 Tear-resistant, non-curling
10/13/1987CA1228135A1 Resonant tag circuits useful in electronic security systems
07/1987
07/01/1987EP0226812A2 Security label for theft security system capable of deactivation
06/1987
06/23/1987US4675658 System including tuned AC magnetic field transmit antenna and untuned AC magnetic field receive antenna
06/16/1987EP0225536A2 Reinforced metallic and polymer tape
06/10/1987EP0224834A2 Sealed edge detectable tape
04/1987
04/21/1987US4660039 System for locating a sport object
04/14/1987CA1220553A1 Flexible ferromagnetic marker for the detection of objects having markers secured thereto
03/1987
03/25/1987EP0215695A1 Process for localizing an object and determining its orientation in space, and apparatus therefor
03/25/1987EP0215605A2 RF reactivatable marker
03/25/1987EP0215266A2 System including tuned AC magnetic field transmit antenna and untuned AC magnetic field receive antenna
03/10/1987US4648710 Blind guide device
01/1987
01/06/1987US4634975 Method and apparatus for producing electromagnetic surveillance fields
11/1986
11/11/1986US4622543 Surveillance system having acoustic magnetomechanical marker
09/1986
09/24/1986EP0195070A1 Method and apparatus for producing electromagnetic surveillance fields
07/1986
07/17/1986WO1986004172A1 Tags for identification system
05/1986
05/13/1986CA1204486A1 Marker for subterranean marking and a novel application for such a marker
04/1986
04/15/1986US4583099 Resonant tag circuits useful in electronic security systems
04/08/1986US4581524 Flexible ferromagnetic marker for the detection of objects having markers secured thereto
03/1986
03/27/1986WO1986001924A1 Method and apparatus for producing electromagnetic surveillance fields
02/1986
02/18/1986CA1200872A1 Coded surveillance system having magnetomechanical marker
02/18/1986CA1200871A1 Surveillance system having magnetomechanical marker
08/1985
08/29/1985WO1985003831A1 Identification system
07/1985
07/24/1985EP0149240A2 Resonant tag circuits useful in electronic security systems
04/1985
04/09/1985US4510490 Coded surveillance system having magnetomechanical marker
04/09/1985US4510489 Surveillance system having magnetomechanical marker
10/1984
10/31/1984EP0123557A2 Flexible ferromagnetic marker for the detection of objects having markers secured thereto
09/1984
09/04/1984CA1173931A1 Magnetic surveillance system with odd-even harmonic and phase discrimination
06/1984
06/19/1984CA1169525A1 Surveillance system employing a floor mat radiator
06/12/1984CA1169136A1 Article theft detection
04/1984
04/10/1984US4442152 Marker member
03/1984
03/06/1984CA1163344A1 Detection of articles in adjacent passageways
12/1983
12/21/1983EP0096182A2 Coded surveillance system having magnetomechanical marker
11/1983
11/09/1983EP0093281A2 Surveillance system having magnetomechanical marker
10/1983
10/19/1983EP0091581A2 Crossed beam high frequency anti-theft system
10/19/1983EP0091577A1 Apparatus for the determination of the position of a probe
10/05/1983EP0090021A1 A marker for subterrenean marking and a novel application for such a marker.
04/1983
04/14/1983WO1983001306A1 A marker for subterrenean marking and a novel application for such a marker
08/1982
08/24/1982CA1130411A1 Amorphous antipilferage marker
04/1982
04/20/1982US4326198 Method and apparatus for the promotion of selected harmonic response signals in an article detection system
03/1982
03/23/1982US4321586 Article theft detection
01/1982
01/05/1982US4309697 Magnetic surveillance system with odd-even harmonic and phase discrimination
01/05/1982CA1115805A1 Method and apparatus for producing uniform electromagnetic fields in an article detection system
12/1981
12/01/1981CA1113576A1 Antipilferage system utilizing "figure-8" shaped field producing and detector coils
11/1981
11/03/1981US4298862 Amorphous antipilferage marker
10/1981
10/20/1981CA1111123A1 Electronic theft detection system for monitoring wide passageways
09/1981
09/16/1981EP0035660A2 Detection of articles in adjacent passageways
07/1981
07/28/1981US4281321 Surveillance system employing a floor mat radiator
06/1981
06/16/1981US4274090 Detection of articles in adjacent passageways
06/16/1981US4274089 Detection system
06/09/1981CA1102900A1 Magnetic detection means
06/09/1981CA1102899A1 Method and apparatus for the promotion of selected harmonic response signals in an article detection system
06/03/1981EP0029560A1 Method of detecting and counting objects
11/1980
11/04/1980CA1089050A1 Asymmetric antipilferage marker
10/1980
10/29/1980EP0017801A1 Amorphous antipilferage marker and detection system comprising same
09/1980
09/23/1980US4224624 Detection of properly positioned movable objects
06/1980
06/24/1980CA1080333A1 Underground pipe detector
05/1980
05/28/1980EP0011536A2 Warning device, process for its manufacture and detecting apparatus therefor
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