EP0097742A1 - Système et procédé pour le détection de vol - Google Patents

Système et procédé pour le détection de vol Download PDF

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Publication number
EP0097742A1
EP0097742A1 EP82303373A EP82303373A EP0097742A1 EP 0097742 A1 EP0097742 A1 EP 0097742A1 EP 82303373 A EP82303373 A EP 82303373A EP 82303373 A EP82303373 A EP 82303373A EP 0097742 A1 EP0097742 A1 EP 0097742A1
Authority
EP
European Patent Office
Prior art keywords
signals
short wave
generating
receiving
accordance
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.)
Granted
Application number
EP82303373A
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German (de)
English (en)
Other versions
EP0097742B1 (fr
Inventor
Jerome Hal Lemelson
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.)
Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to EP19820303373 priority Critical patent/EP0097742B1/fr
Priority to DE8282303373T priority patent/DE3277391D1/de
Publication of EP0097742A1 publication Critical patent/EP0097742A1/fr
Application granted granted Critical
Publication of EP0097742B1 publication Critical patent/EP0097742B1/fr
Expired legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1436—Mechanical actuation by lifting or attempted removal of hand-portable articles with motion detection
    • 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
    • G08B25/10—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 using wireless transmission systems

Definitions

  • This invention relates to a system and method for detecting unauthorized movement or theft of articles and assemblies, such as valuable possessions of a home owner, stock or display articles in a store, articles or containers in a warehouse; furniture, accessories or machinery associated with an office, manufacturing or maintenance facility.
  • the system employs microminiature electronic circuitry which may be supported by or hidden within an article of value such as a work cf art, living or room accessory, furniture, manufacturing or maintenance equipment, which electronic circuit becomes activated and generates a short wave code when a predetermined movement or change in the location of the article or assembly is effected.
  • Such short wave code is transmitted either directly to a monitor station or to an electronic transponder which retransmits the code to a monitor station at which monitor station means are provided for indicating. the movement of the article, its location and identification and, in certain instances, the route along which it is being moved or its instant location during such movement.
  • the instant invention provides a more positive means for protecting valuable possessions, furniture and equipment from theft.
  • a theft detection system comprising in combination with a movable object to be protected against theft, said system including first means for detecting the motion of said object when said object is moved away from an at-rest location, said first means including means for generating analog electrical signals which are indicative of the motion of said object from and beyond said at-rest location, second means for receiving said analog signals and digitizing same to generate digital signals representative of said analog signals, third means including electronic computing means for receiving the digital signals generated by said second means and generating control signals, fourth means for receiving said control signals and operative to generate code signals, fifth means for short wave transmitting said code signals, sixth means including short wave receiving means for receiving said short wave transmitted code signals, and seventh means including an alarm means connected to said short wave receiving means for receiving and using the code signals received thereby and generating an indication of an attempt to move said object from said at-rest location.
  • FIG. 1 an article or assembly 11 to be protected against theft, which assembly is specifically illustrated as a pinao although it may be any other article or assembly of marufaoture including a valuable piece of furniture, office equipment, machine, fixture or work of art.
  • An upper housing 12 is supported by a plurality of legs 13, one of which contains the transmitting antenna 14 extending therethrough or therealong from an electronic assembly 15 supported within one leg.
  • the eeleotronic assembly and antenna may also be supported within the main body or housing 12 of the piano and is preferably hidden from view.
  • an electronic system 10 is shown in detail and may be powered by a battery [not shown] or other form of electrical energy generator connected to the circuit somponents illustrated.
  • the system 10 includes an X-direction accelerometer 16, a Y-direction accelerometer 17 and a Z-cirection dccelerometer 18, each of which accelerometers are connected to respective electronic analog-to-digital converters 19, 20 and 21.
  • a vibration sensor 22 is also provided to generate output sigrals when vibrations are detected thereby which signals are digitized by passing same to an attendant analog-to-digital converter 23.
  • Each of the analog-to-digital converters 19, 20, 21 and 23 have respective inputs to a microminiature electronic sonputer 24 which may comprise an integrated circuit electronic microprocessor adapted to process and effect computations with respect to the signals received thereby.
  • the micrenrocessor 24 thue detects accelerations in all directions of movement and computes velocities and total distances moved in accordance with the signals output by the accelerometers, which information is stored in a memory 25 which may be a separate microminiature electronic circuit or one formed on the same substrate or chip containing the microprocessor 24.
  • microprocessor 24 interprets such condition as an unauthorized movement and activates an identification code generating circuit 27, the code signal output of which is passed to a short wave transmitter 28 which receives signals from a driver 29 controlled by an output of the computer or microprocessor 24.
  • the transmitter 28 transmits or radiates the code or codes, received thereby from the code generator 27, on its antenna 14 for short wave transmission to a short wave receiver of the type provided in FIG. 3.
  • Alarm 31 which is activated by a driver 30 receiving a signal from the computer or microprocessor 24.
  • Alarm 31 may generate a loud sound within or adjacent the article or piano for locally indicating an illegal degree of movement of the article protected thereby and warning anyone who may be within range that such illegal movement is being effected.
  • FIG. 3 a remote receiver for the signals generated on the output of the transmitter 28 of FIG. 2.
  • a power supply such as a source of line current, transformer or battery, supplies electrical energy to the circuit elements of FIG. 3 when its control switch is closed, thereby energizing the short wave receiver 44, a decoder 45, a computer or microprocessor 46, an alarm 49, display 52 and speech synthesizing oircuit 53 together with their attendant drive and amplifying circuits.
  • Code signals transmitted by short wave transmitter 28 are intersected by an antenna 43 for receiver 44 and are generated as corresponding code signals on the output of receiver 44 which extends to a decoder 45 which is connected to 'computer or electronic microprocessor 46.
  • Such received code may be passed from the computer 46 to a memory 47 for its repeated acquisition to effect or control the operation of one or more alarm and indicating devices.
  • computer or microprocessor 46 activates an alarm 49 by suitably energizing a driver 50.
  • the computer 46 after.processing the signals input thereto, generates control signals which are passed to a display driver 51 which energizes and controls the operation of a suitable visual display 52, such as a cathode ray tube, array of LED alphanumerical display elements or other means operable to display and indicate the location of an attempted theft or thefts.
  • a display driver 51 which energizes and controls the operation of a suitable visual display 52, such as a cathode ray tube, array of LED alphanumerical display elements or other means operable to display and indicate the location of an attempted theft or thefts.
  • signals generated on the output of the computer or microprocessor 46. are also passed to a speech synthesizing circuit 53 and speech signals, such as synthetic speech signals, generated thereby are passed to an amplifier 54, having an attendant volume control 55, and connected to a speaker 56 for generating sounds of words indicative of such variables as the article or assembly 11 which is in motion or moved beyond a given point and/or its location.
  • the speech synthesizor circuit 53 may comprise one of a number of such microminiature electronic circuits which are available, such as the Texas Instruments TMC-0280, which may contain its own digital-to-analog conversion circuit or may be connected to such a circuit for providing analog signals of speech indicative of the articles being protected and its location , for use by the speaker 56 in vocally indicating such attempted theft.
  • the vibration sensor 22 of FIG. 2 may be operable to provide signals on its output related, for example, to noises associated with movement of the article or piano from an at-rest location and such information may be used by the computer to determine if the piano is being tampered with, disassembled or moved in an unauthorized manner so as to indicate an attempte theft thereat.
  • an intermediate receiver and transmitter or transponder may be provided, for example, a short distance away from the article or articles being protected, such as in a conventional radio or television set wherein the antenna thereof may be utilized to properly transmit such code or codes either directly to the monitor station receiver or to another relay or transponder station for transmission to such monitor station.
  • a single accelerometer with or without a single vibration sensor to locally and/or remotely detect theft or unauthorized movement of an object from an at rest or diaply location.
  • one or more vibration detectors per se may be employed wherein the signals generated thereby are computer or microprocessor analyzed as described and in accordance with the the programming of the memory or analyzing circuits of such computer, automatic determination is made if the vibrations detected constitute an attempted theftor if the signals generated by the single accelerometer constitute such an attempt.
  • the battery employed to provide electrical energy for operating the motion and vibration sensors, computer or microprocessor, code generator, short wave transmitter and local alarm of FOG. 2 may be normally disconnected from such circuits by an inertia switch which is normally open when at rest but which momentarily closes when in motion.
  • an inertia switch which is normally open when at rest but which momentarily closes when in motion.
  • Such switch combined with a latch activated when the switch closes as the object to which it is secured is moved may comprise a multi-axis mercury switch or a universally pivoted arm contactor within a ring contactor or other suitable- switch.
  • the latch so employed may be controlled to maintain circuit closure with the battery until an unlatching signal is received thereby from the computer or electronic microprocessor 24 which is programmed to detect when the object being protected from theft has been moved in normal handling, during cleaning or maintenance or as a result of an inadvertent jarring.
  • a single battery may be employed to protect an object or machine from theft for a long period of time. If the battery a state of discharge, an electronic detector of such condition may be employed for activating a local alarm or code generator for generating and short wave transmitting a code indicating such battery condition to the receiver 44 of FIG. 3 wherein computer 46 analyzes such code and controls display 52 or an auxilliary alarm to indicate such condition and the location of the object and battery approaching discharge condition.System 10 and the vibration sensor-computer combination may also be employed to indicate a machine malfunction or unauthorized operation.
  • FIG. 2 The battery control arrangement described above is illustrated in FIG. 2 wherein a battery 32 which is employed to provide electrical energy for energizing all of the electrical components illustrated , has its output 33 connected to the input of a normally open inertially closed switch 34 of the type described which, when momentarily closed provides current from the battery to the setting input S of a. latch 35 when then gates current from the battery to the computer 24 and the other electrically energized components and circuits of the system 10 permitting the system to function as described.
  • a battery 32 which is employed to provide electrical energy for energizing all of the electrical components illustrated
  • the computer 24 determines thereafter by signal analysis as described if the acceleration(s) imparted to the object which caused the normally open switch 34 to close are not indicative that the object is being moved in an unauthorized manner or act of theft thereof, a feedback signal is generated on an output of the computer and applied to the reset input R of the latch to open the latch and cause electrical energy from the battery which is passing through the latch to be disconnected from the output of the latch switch thereby terminating use of the battery until the inertially closed switch 34 is next closed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Burglar Alarm Systems (AREA)
EP19820303373 1982-06-28 1982-06-28 Système et procédé pour le détection de vol Expired EP0097742B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19820303373 EP0097742B1 (fr) 1982-06-28 1982-06-28 Système et procédé pour le détection de vol
DE8282303373T DE3277391D1 (en) 1982-06-28 1982-06-28 Theft detection system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19820303373 EP0097742B1 (fr) 1982-06-28 1982-06-28 Système et procédé pour le détection de vol

Publications (2)

Publication Number Publication Date
EP0097742A1 true EP0097742A1 (fr) 1984-01-11
EP0097742B1 EP0097742B1 (fr) 1987-09-23

Family

ID=8189708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820303373 Expired EP0097742B1 (fr) 1982-06-28 1982-06-28 Système et procédé pour le détection de vol

Country Status (2)

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EP (1) EP0097742B1 (fr)
DE (1) DE3277391D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0437925A2 (fr) * 1990-01-16 1991-07-24 Ici Americas Inc. Dispositif anti-vol
EP0574230A1 (fr) * 1992-06-09 1993-12-15 Hartbrook Properties Limited Système de protection de propriété
WO2001069561A1 (fr) * 2000-03-14 2001-09-20 Commissariat A L'energie Atomique Microsysteme magnetometrique et inclinometrique pour la surveillance d'objets de valeur
FR2936639A1 (fr) * 2008-10-01 2010-04-02 One Network Systeme de protection d'objets
GB2481400A (en) * 2010-06-22 2011-12-28 Tadpole Security Products Ltd Security system providing protection against the theft of valuables
US9299052B2 (en) 2014-01-15 2016-03-29 Xerox Corporation Device movement detection when powered down

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631271A (en) * 1969-11-27 1971-12-28 Tatsuji Shimada Burglar alarm switch
US3668675A (en) * 1970-04-03 1972-06-06 Allan D Joens Remote alarm system
US3742478A (en) * 1971-11-03 1973-06-26 Transport Security Corp Circuit board motion sensitive switch
US4297683A (en) * 1979-03-22 1981-10-27 Roberts Ralph R Vandal alarm system for parking meters

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631271A (en) * 1969-11-27 1971-12-28 Tatsuji Shimada Burglar alarm switch
US3668675A (en) * 1970-04-03 1972-06-06 Allan D Joens Remote alarm system
US3742478A (en) * 1971-11-03 1973-06-26 Transport Security Corp Circuit board motion sensitive switch
US4297683A (en) * 1979-03-22 1981-10-27 Roberts Ralph R Vandal alarm system for parking meters

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0437925A2 (fr) * 1990-01-16 1991-07-24 Ici Americas Inc. Dispositif anti-vol
EP0437925A3 (en) * 1990-01-16 1992-09-09 Ici Americas Inc. Anti-theft device
EP0574230A1 (fr) * 1992-06-09 1993-12-15 Hartbrook Properties Limited Système de protection de propriété
WO2001069561A1 (fr) * 2000-03-14 2001-09-20 Commissariat A L'energie Atomique Microsysteme magnetometrique et inclinometrique pour la surveillance d'objets de valeur
FR2806506A1 (fr) * 2000-03-14 2001-09-21 Commissariat Energie Atomique Microsysteme magnetometrique et inclinometrique pour la surveillance d'objets de valeur
US6882275B2 (en) 2000-03-14 2005-04-19 Commissariat A L'energie Atomique Microsystem using magnetometer and inclinometer for anti-theft protection of valuables
FR2936639A1 (fr) * 2008-10-01 2010-04-02 One Network Systeme de protection d'objets
GB2481400A (en) * 2010-06-22 2011-12-28 Tadpole Security Products Ltd Security system providing protection against the theft of valuables
US9299052B2 (en) 2014-01-15 2016-03-29 Xerox Corporation Device movement detection when powered down

Also Published As

Publication number Publication date
DE3277391D1 (en) 1987-10-29
EP0097742B1 (fr) 1987-09-23

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