Abstract: A system for monitoring a portable article. The system has a housing, a detectable signal generator on the housing, a detection circuit on the housing, and a jumper element having first and second ends. The jumper element has a) an operative state wherein the first and second jumper element ends are electrically connected to the detection circuit at first and second locations and the jumper element defines a conductive path electrically connecting between the first and second locations on the detection circuit and b) a disabled state. In the disabled state, one of i) the first end of the jumper element is disconnected from the detection circuit at the first location ii) the second end of the jumper element is disconnected from the detection circuit at the second location and iii) the jumper element is severed between the first and second ends, so that the conductive path between the first and second locations is interrupted.

Abstract: A security alarm module for attaching to an item of merchandise in a security system for protecting the item of merchandise has a housing, a logic control circuit including a central controller, a wireless interface for communicating with a programmable key containing a security code, and a memory circuit for storing the security code. An attachment device attaches the alarm module to the item of merchandise and a sense loop operatively communicates with the attachment device for sensing when the integrity of the attachment device is compromised. An audio alarm is located within the housing and is actuated when the integrity of the sense loop is compromised. A visual indicator such as an LED, indicates the status of the alarm module. The housing includes a base and a bottom housing member which is spaced from the base to form a sound region. The audio alarm is mounted in the bottom housing member and communicates with the sound region which enhances the sound level of the alarm when actuated.

Abstract: A system for using a separate fixed or massive object to prevent theft of a motorcycle, the system comprising a frame element including a hollow enclosure having a wall with an orifice therethrough; a reel rotatably mounted in the enclosure; a flexible electrically conductive sheathed cable with a proximal end wound onto the reel and a distal end with a male connector; a control mechanism having an alarm mechanism, a female connector, circuitry to connect the female connector to the proximal end of the cable, to detect presence or absence of continuity between the proximal end and distal end of the cable, and to cause the alarm mechanism to be activated when continuity between the proximal end and distal end of the cable is broken; a locking mechanism having a locked configuration wherein the male connector is prevented from being withdrawn from the female connector, and an unlocked configuration wherein the male connector is allowed to be withdrawn from the female connector; and a power source structured to

Abstract: An anti-theft security tag includes an engagement member having a first and second end securable within a housing by a crimping member for attachment to an article. In one embodiment, the housing supports an electronic article surveillance marker and may include a channel for receiving and securing at least one self crimping member. The self crimping member is sized to receive one end of the engagement member. The one or more crimping members may be disc shaped, including a plurality of fingers for securing one end of the engagement member, or may have a variety of other shapes. The self crimping members allow the engagement member to be moved downward, but not upward, so as to make the engagement loop smaller. In another embodiment, the crimping member is manual and a slot is disposed within the housing in alignment with the at least one crimping member, and is sized to receive a crimping tool to crimp the member and secure the line to the article within the housing.

Abstract: A docking station has a housing with an open top compartment formed therein for storing a security key in a locked condition when not in use at a checkout station for opening media security containers. A slide member is moveable by a three position key operated tumbler between locked and unlocked positions across the storage compartment opening. A cam is slidably engageable with the slide member and is moveable by the tumbler for moving the slide member between the locked and unlocked positions. An alarm deactivation switch is actuated by the cam when the tumbler is rotated by the tumbler key to a third position past the locked position. The alarm communicates with a sense loop extending through a flexible expandable cord attaching the key to the housing. An LED provides a visual indication that the alarm is activated.

Abstract: A security device including a base having a plurality of holes extending therethrough. A noose cable is attached to the base and extends out of the base on one side and passes through the base on another and may be wrapped around merchandise to be secured against theft. A switch is carried by the base and depressed by a lid carried by the base so that when the lid is raised, an alarm will sound. A fastener extends through the lid of the base and secures the noose cable from removable such that when the lid is in the closed position, the head of the fastener is beneath the lid and access to the fastener is prevented. The base is electrically connected to an alarming station in order to provide power to the switch and to provide the alarming function associated with the noose cable security device.

Abstract: A security system for powering and displaying a handheld electronic device includes a stand assembly mounted to a support and a housing removably mounted on a top portion of the stand assembly. The handheld electronic device is secured to a top portion of the housing and a sensor is coupled to the handheld electronic device. The sensor produces a detectable signal if the handheld electronic device is moved from an authorized state. A switch is disposed on the top surface of the housing and indicates whether the handheld electronic device is in contact with the housing. An output voltage controller controls an output voltage to the handheld electronic device which can be set only when the switch indicates that the device is not in contact with the housing. The output voltage is set to zero if device is not brought into contact with the housing within a predetermined time.

Abstract: A clip for an RFID transponder used in a security network based on RFID techniques. The clip includes a flexible, semi-rigid body engaging the RFID transponder via a slip or snap-in placement. The clip also includes an electrical contact interconnecting with an electrical contact of the RFID transponder, a mechanical member pressing on a switch of the RFID transponder, or both when the RFID transponder is placed into engagement with the clip. Such interconnecting or pressing enables enrollment of the RFID transponder with a controller of the security network. A related method of enrolling the RFID transponder in the security network, using the clip, is also provided.

Abstract: An active anti-theft device for protecting movable property having a computer device, at least one stationary connector, at least one portable connector, at least one sensor, a power source and an alarm is described. The active anti-theft device may also have a key switch, remote control and light. The computer device is the central unit which sends a signal to the other components of the active anti-theft device. The stationary connector attaches to a stationary object. The portable connector(s) and sensor(s) attach to various parts of the movable property. The connectors and sensors connect to the computer device by cable connections, which enable the connector(s) and sensor(s) to be connected to and thereby protect various components of the movable property. If a signal sent by the computer device to a connector or sensor does not return to the computer device as predetermined by a monitoring setup, the alarm sounds indicating that a connection to a component has been broken or disabled.

Abstract: The combination of a portable article, a first support assembly, and a tethering system. The first support assembly has at least a first connecting element for maintaining the portable article in a secured state relative to the first support assembly. The tethering system connects to the first support assembly and is connectable to a base/support. The tethering system prevents the first support assembly from being moved beyond a predetermined range from a base/support to which the tethering system is connected. The combination further includes an alarm system.

Abstract: A display device body includes an image display section for displaying an image, a first power supply section for supplying power to the image display section, an anti-theft section for preventing the display device body from theft, and a second power supply section for supplying power to the anti-theft section. The anti-theft section includes a vibration sensor for sensing a shake of the display device body, a vibration detection section for detecting a vibration based on an output level from the vibration sensor, a state retention section for selectively retaining one of a cautionary state in which caution is taken against the theft of the display device and an alarming state indicating that the display device is being stolen, an alarm section for issuing an alarm when the state retention section is in the alarming state, and an operation control section.

Abstract: A linkage device that can be connected with other linkage devices and to itself, the linkage device comprising a strip having a first end and a second end, a closure hub attached to the first end of the strip and having an opening to receive a second end and a locking mechanism within the closure hub, a connecting surface protruding from the strip operable to secure the second end within a closure device, and a tampering detection device connected to the linkage device.

Abstract: A method for communicating multi-bit data from a powered device being powered over communication cabling to power sourcing equipment, the method comprising: exhibiting a signature indicative of a device to be powered over communication cabling; sensing a voltage level indicative of remote powering over communication cabling; prior to connecting power to operational circuitry, transmitting first multi-bit information; subsequently to the transmitting first multi-bit information, connecting power received over the communication cabling to the operational circuitry; receiving information from the operational circuitry; subsequent to receiving the information disconnecting the received power from the operational circuitry; subsequent to the disconnecting, transmitting second multi-bit information associated with the operational circuitry, the second multi-bit information comprising at least one bit being a function of the received information; and re-connecting power received over the communication cabling to the

Abstract: A fiber optic based security system is disposed on or in a structure such as a wall, roof, floor, ceiling, container, and/or ground. The security system contains an optical cable having first and second ends and an interface unit connected to both ends of the optical cable. The interface unit generates a specific light signal injected into the first end. The interface unit receives the specific light signal from the second end after the specific light signal propagates through the optical cable. The interface unit then determines if the specific light signal received falls within a given threshold and outputs an alarming signal indicating if the specific light signal received falls outside of the given threshold. An alarm system receives the alarming signal from the interface unit. The alarm system is activated if the interface unit indicates that the specific light signal falls outside of the given threshold.

Abstract: An anti-theft device, comprising at least one spool (2) made of electrically insulating material that is mounted rotatably on a support (3); a cable-like element (4) that can be wound onto, and unwound from, the spool or a respective spool and has a free end (5) that can be detachably anchored to an item (6) to be restrained, elastic loading means for the or each spool in order to ensure the automatic tensioning and rewinding of said cable-like element on its own spool, detachable engagement means for an item to be restrained which are located at the free end of said cable-like element or of each cable-like element and are suitable to open or close an electrical contact, and a control unit (8) that is meant to act in response to the opening-closing of the electrical contact.

Abstract: A system is disclosed for preventing an unauthorized person from taking or using a portable computer. The anti-theft/security system includes a USB device having a motion sensor attached to a casing of a portable computer. The USB device is connected to a port of the portable computer using a connector. The anti-theft/security system also includes an alarm sub-system to cause an audible sound to be generated, which is triggered based on a signal generated by the motion sensor located inside the USB device.

Abstract: A tamper monitoring article and system, and an associated method of making, installing and using the article and system. The article has an elongate body portion. The body portion has a first end portion that adheres to a second end portion, if present, or to a substrate. The article also includes a pathway structure that runs along or throughout the body portion and can conduct energy, such as light or electricity, along its length. A monitor communicates with the pathway structure and detects a change in the energy being conducted thereby. A change in the energy is indicative of a change in a conductive property of the pathway structure caused by, for example, manipulation of the body portion and the pathway structure that is disposed therein or thereon. The monitor can then signal, or respond to a request signal, and provide information that such manipulation has occurred.

Abstract: One or more RFID tags (104) are integrated into a fire hose (102) to facilitate an individual's exit from a structure. A portable interrogator (106) worn by the individual interrogates the closest RFID tag (104). Each RFID tag (104) has location information stored therein which gets decoded upon interrogation by the portable interrogator (106). The RFID location information assists the individual in locating the hose (102) and following the hose towards its source point (110) and out of the structure.

Abstract: A communication and control system for use by the disabled and their caretakers. The system has at least two communication modules, each module having a processing unit which has a unique identification code. Each communication module also has a unique hierarchical address corresponding to the identification code, the address defining the physical location of the module. The hierarchical address represents at least two physical domains. Each commnunication module further includes a processing unit having coupled to it one or both of a signal receiver and a signal transmitter, and at least one transducer for detecting a physical parameter and for broadcasting packets of data indicative of the status of a module or for controlling a remote module.

Abstract: A tamper-resistant RFID wristband that becomes permanently disabled upon tampering. The wristband includes a plurality of holes for snugly securing the band to a wearer, an RFID circuit, and an electrically conductive loop disposed in the band. The RFID circuit and the conductive loop are electrically coupled to form a series circuit, severance of which disables the wristband. The electrically conductive loop includes a first layer and a second layer that are electrically isolated from one another, save for at least one electrical connection made preferably by a via at the end of the band distal from the antenna element. The first layer encircles the holes in a serpentine path on one layer of the band and the second layer encircles the holes in a complimentary serpentine path on a different layer of the band.

Abstract: A system for securing a key in a vehicle is provided. The system comprises: a cable for connecting to a vehicular component, wherein the cable comprises a first end and a second end; a lock for locking the first end of the cable and the second end of the cable; a key holder for holding a key, wherein the key holder comprises a connector for connecting to the cable; and an alarm system connector for connecting the cable to a vehicular alarm system.

Abstract: A tag secured to an object for monitoring the object has a strap with a first end, a second end, an electrical path coupled to the strap running from the first end to the second end, and one or more raised portion wherein a proximal end and a distal end of the electrical path are on the one or more raised portions. The first and second end of the strap detachably couple to a cradle. A housing couples to the cradle and holds an integrated circuit with a first contact and second contact wherein the first contact electrically couples to the proximal end of the electrical path and the second contact electrically couples to the distal end of the electrical path.

Abstract: A child alert system that uses radio transmitters and receivers to provide the location of a child, adult or object to which a transmitter unit of the system is attached. The transmitter unit includes a panic button for allowing the wearer of the transmitter unit to send a panic signal when they feel endangered. The system further includes signaling when the transmitter is submerged, when the vital signs of the wearer fall below a certain threshold, or when the transmitter is tampered or removed from the person.

Abstract: A retractable sensing assembly having a housing, a sensor connectable to an article to be monitored, a conductive element operatively connected to the sensor and a mechanical cable. The sensor has a secured state and an unsecured state. The conductive element is selectively extendable from and retractable into the housing. The conductive element includes at least one conductive wire through which the state of the sensor can be detected. The mechanical cable is connected to the sensor and is connectable at an anchoring location so that movement of the sensor is confined by the mechanical cable relative to an anchoring location to which the mechanical cable is connected.

Abstract: A sensor element may be provided for a monitoring device designed to protect displayed merchandise against theft. The sensor element may be flexible and include a sensor layer with a measuring circuit loop integrated therein. During attempted theft, a contact element that may be arranged on an adhesive surface creates an open in the measuring circuit loop, thereby triggering an alarm.

Abstract: A security device for preventing removal and theft of valuable devices includes an alarm that is coupled to a cable. At a distal end of the cable, a locking device is provided. The locking device is coupled to a valuable device. The other end of the cable is coupled to the alarm. The alarm includes a power source. A lock plate is placed over the power source. The cable is routed through the alarm and through the lock plate prior to coupling the locking device to the portable electronic device. With the cable through the alarm and the lock plate, the lock plate cannot be removed and thus, the power source is inaccessible. A wire loop runs through the cable and is coupled to the alarm such that if the cable is cut, the circuit is broken and the alarm sounds.

Abstract: An alarm apparatus for detecting an intrusion or compromise situation upon critical equipment or private areas. The apparatus detects an unauthorized radio transmitter (like a wireless camera), or the covering of a critical piece of equipment. Fiber optics, solar cells and special radio antennas are used to detect intrusion remotely and a delay timer will allow normal activity to occur, while reducing false alarms. This alarm apparatus will notify an existing system of the intrusion or compromise when limits are exceeded. This alarm apparatus also addresses privacy concerns of wireless cameras and recording devices in areas like changing rooms, bathrooms, or boardrooms. The apparatus addresses security issues for critical devices like smoke alarms and ATM machines.

Abstract: The invention relates to a method for inspecting the mechanical fastening of a component including an electrical conductor to a base body including an electric conductor. According to the method, the electric conductors for mechanically connecting the component to the base body such that an electric connection between the component and the base body is formed when a rigid mechanical connection is established, such that the resistance between the conductors is measured and a resistance value which lies below a predetermined value attests the existence of a rigid mechanical connection.

Abstract: A security system for a goods-carrying compartment such as of a vehicle is arranged to indicate the sealed status of an access door 40 to the compartment. Following loading of the compartment, the system is used to seal the door closed by passing a security cable 34 through components 46, 50 of a lock mechanism associated with that door. The cable 34 is re-entered into the system housing 30 and then, using a key inserted into a security switch 14, the system is activated to show proper sealing. An interrogation switch 12 may be pressed to illuminate LED 22 if the door 40 has not been opened following sealing or LED 24 if the door has been opened and not properly re-sealed with a key. Two different keys may be provided, one for use with the initial sealing of the compartment and the other for re-sealing by an authorized person such as a driver, so long as the compartment was opened for a legitimate purpose on route between dispatch and the ultimate destination.

Abstract: A display system for displaying an item of merchandise in a retail environment that allows a potential customer to handle the item while it is secured to the display system. The item is supported on a display shelf and is connected to a retractable cable. The shelf is locked to a base by an alarm unit. Unauthorized removal of the shelf, base, item of merchandise, severing of the retractable cable or alarm unit will activate an alarm. First and second locks lock the alarm unit to the base.

Abstract: A tamper sensing circuit is provided for an electrical device wherein an enclosure may be opened to access data by a user that does not possess the ability to achieve normal access by satisfying data security measures such as use of a password. A screw used to secure enclosure halves together is connected by a conductive coating at the enclosure member surface into which the screw is threaded to connect a tamper sensing circuit to the device ground potential. A tamper sensing circuit output node is maintained at the circuit ground potential as long as the screw is in electrical contact with the enclosure conductive coating. When the screw is disengaged from the enclosure member threaded opening, the output node is no longer grounded and rises to a supplied electrical potential indicating tampering and enabling appropriate corrective action.

Abstract: A device for deterring theft of an electrical or like appliance having an operation controlling microprocessor, including signal receiving means (2) connected to the microprocessor and adapted for connection to a power supply, first programmed means enabling the appliance microprocessor to disable the appliance, second programmable means separate from the appliance and including a microprocessor controlled signal generating means (1) for generating setting and resetting signals for transmission to the receiving means and operating to enable the first programmed means to render the appliance inoperable when power to the appliance is disconnected, said second programmable means being programmed to include an automatic reset routine which is activated by the restoration of power to the appliance to send a resetting signal to the appliance microprocessor to reset the microprocessor to an operative state whereby automatic resetting occurs in the event of power failure event.

Abstract: A system and method for issuing an alarm when the separation distance between a monitoring module associated with an object (animate or inanimate) and an alert module exceeds a preset threshold distance thereby forming a leadless electronic tether between the object and the object owner. A monitoring module comprises a portable transmitter provides a signal to an alert module comprising a receiver and a processor. The alert module is adapted to determine a separation distance between the monitoring module and the alert module based on an attribute of the signal. When the separation distance exceeds a predetermined threshold, the alert module issues an alert.

Abstract: A tamper-resistant remotely monitorable electronic seal including a shaft portion, a sensor, a socket arranged to engage the shaft portion and the sensor in a monitorable manner and a wireless communicator associated with at least one of the shaft portion, the sensor and the socket and being operative to provide a remotely monitorable indication of at least one monitorable event, the sensor being operative to sense application of force to the electronic seal in an attempt to separate the shaft portion from the socket and to indicate the application of force as one of the at least one monitorable event.

Abstract: An identification device has a band and a non-reusable tamper-resistant fastening arranged to join opposite end regions of the band to fasten it around a limb of a user. A transponder circuit is attached to the band, and is responsive to a received wireless signal. In response to the received wireless signal, the transponder emits a wireless signal representative of information pre-stored in the transponder. An electrically conductive continuous loop on the band extends from the transponder and forms an electrically continuous path along substantially the entire length of the band, the loop being frangible and easily broken in response to an attempt to remove the band from the wearer's limb. Circuitry in the transponder is electrically connected to the loop and arranged to become inoperative and disable the transponder if the loop is broken.

Abstract: A method and apparatus to prevent unauthorized removal of a pedestal from a base are described.

Abstract: A system is disclosed for preventing an unauthorized person from moving or stealing electronic devices having one or more USB ports, such as portable computers. The anti-theft system includes a USB device capable of connecting to a USB port of a computer and an alarm sub-system to cause an audible alarm to be generated based on a signal generated within the USB device.

Abstract: An alarm interface for a merchandise security system is coupled to an alarm system of the merchandise security system. The alarm interface includes one or more wireless interface transmitters and receivers. One or more output devices are connected to at least one of the one or more wireless receivers. In one aspect, the alarm system includes a controller for sensing alarm events, one or more hubs connected to the controllers, and a plurality of sensors capable of attachment to a plurality of objects to be secured. A set of sensors within the plurality of sensors is attached to a corresponding hub, and each sensor or hub generates an alarm event when separated from the controller or object to be secured. The wireless interface transmitters wirelessly transmit one or more alarm signals from the alarm system. The wireless interface receivers are adapted to receive at least one of these alarm signals transmitted from one or more of the wireless interface transmitters.

Abstract: The present invention relates to an arrangement and a method for detecting unauthorized removed of electronic equipment. The arrangement is arranged between a power source and the electronic equipment and includes a first current recognizing element. The detection of unauthorized removal is obtained by sensing a level of the current that flow to the electronic equipment. Furthermore, a signal is sent to the electronic equipment so that the signal is adapted to bounce back to the arrangement. The detection of unauthorized removal is obtained when the current sensed is lower than a predetermined value and the bounced back signal is absent.

Abstract: Described are methods and apparatus for a security system. In one embodiment, the system includes capabilities to aid in locating an item that is being monitored when the item's location is unknown. The embodiment also includes capabilities for sounding an alarm when the item is believed to be missing.

Abstract: The method for identifying the presence of an item to a user interface entails using a container having a loading opening and a collection opening, passing the item through the loading opening activating a first sensor, sending a first signal from the first sensor to an intelligent device, creating a first intelligent device signal from the intelligent device, communicating the first intelligent device signal to a communication system, opening the collection opening to collect the item, thereby activating a second sensor, sending a second signal from the second sensor to the intelligent device, creating a second intelligent device signal from the intelligent device, communicating the second intelligent device signal to the communication system, and using a software interface to process the first intelligent device signal and the second intelligent device signal and present the intelligent device signals processed by the software interface to the user interface.

Abstract: Tamper detection and prevention for an object control and tracking system and particularly a Key Track system is provided. Where objects being tracked are keys, a key card having a touch memory device, RF id tag, or other circuitry for storing and transmitting an ID to a controller is provided. A tether attaches a key to the card. In one embodiment, the tether is conductive and the transmission of the ID code passes through the tether. If the tether is cut, transmission is interrupted to indicate a tampering condition. In another embodiment, the tether is resistive and circuitry is provided to monitor a voltage drop across the tether. A change in the voltage drop indicates a tampering condition. An object of the invention is to detect an attempt to remove the key (or other object) from its ID card while leaving the card intact.

Abstract: Sensors and methods for detecting attachment to a surface are disclosed. The sensors include a housing having an inner surface, an outer surface and a passage extending through the housing. An elongated member or fastener extends though the passage and protrudes from the outer surface of the housing to attach the sensor to a surface. First and second electrical contacts are disposed within the housing so that when the sensor is attached to the surface an electrical path is formed between the first and second electrical contacts.

Abstract: Normal hard-wired domestic burglar alarms have cables with six conductors extending between the alarm control panel and each event sensor (such as a PIR). Two of the conductors might provide current to a motion detector, two of the conductors might provide a circuit for a tamper switch, and two of the conductors might provide an indication of the motion detected by the motion detector. Wiring costs are reduced in the present invention by providing only two conductors which work to provide all of the functions of a six-conductor cable. To attach the two-conductor cable to a six-point terminal on the control panel, a special signal accessor and separator circuit is provided with six contacts to attach to the control panel terminals and two terminals for connecting to the conductor cable.

Abstract: A security system having a flexible cord with a length, a housing, and a connector on the cable. The housing is mountable in an operative position on the support. The cord is urged into a stored state into the housing and can be selectively withdrawn therefrom. The connector is attachable to an article to be monitored. At least one of a) a first discrete part of the cord is repositionable relative to a second discrete part of the cord and b) at least a part of the housing is repositionable relative to a support on which the housing is mounted in an operative position to control twisting of the cord about the length of the cord by reason of turning of the connector.

Abstract: The present invention to provide a “smart cable system” for high density metallic cross connect systems. In particular, this invention relates to the physical structure of cables and associated hardware needed to form the “smart cable system” for interconnecting cards in shelves and racks of high density metallic cross connect switching systems. This invention provides the cable installer the ability to connect cables to cards with minimal errors by using visual indicators. The visual indicators guide the cable installer such that he/she can properly install the cables into the appropriate connectors. The present invention also provides a means for detecting when and where the cables are connected within the cross connect system.

Abstract: The invention relates to an electrical supply and control system for supplying electrical energy to an electrical device arrangement, which includes at least one sensor means, and for remote-controlling said electrical device arrangement. In order to provide an inexpensive conductor rail system, which permits the control of connected electrical devices depending on an environmental situation, the invention provides at least one profiled conductor rail with a power conductor and control lines extending along the conductor rail. Adapters are provided for releasably attaching at least on electrical device of the electrical device arrangement to the conductor rail and for, thereby, electrically connecting the power conductor and the control lines to the device.

Abstract: A lasso for securing an object to be monitored. The lasso has a flexible cord with a length and first and second free ends, and a connector having a body with at least one opening therethrough. The portion of the flexible cord between the first and second free ends is directed through the at least one opening so that the connector and the portion of the flexible cord define a closed first loop with an effective diameter. The portion of the flexible cord is configurable to be generally U-shaped with a base and first and second legs which each project through the at least one opening. At least one of the first and second legs is movable relative to the fitting so that the effective diameter of the closed first loop is variable. The first free end of the flexible cord is directed through the closed first loop so as to define a closed second loop with an effective diameter that is variable by selectively oppositely moving the flexible cord through the closed first loop.

Abstract: A radio frequency (RF) data carrier and method and system for reading information stored in the data carrier are presented. The data carrier comprises a collection of circuitries defining together a predetermined information code. Each circuitry includes: (a) a code circuit configured to have a certain RF frequency response to a powering signal and thus defining a certain symbol of the predetermined information code, and (b) a delay circuit configured to provide a phase delay of a predetermined value to said powering signal associated with the respective code circuit to thereby define a location of this symbol in the information code. The data carrier further comprises a power unit operable to produce said powering signal to actuate the delay circuit.

Abstract: An onboard device abnormal connection notification system is provided with: onboard devices (3a, 3b) which is connected to an in-vehicle network (5); a monitor means (1) which is connected to the in-vehicle network (5) for monitoring an abnormality in the state of connection between the onboard devices (3a, 3b) and the in-vehicle network (5); and a notification means (2) which is connected to the in-vehicle network (5) to notify an abnormality in connection of the onboard device (3a, 3b) based on a demand from the monitor means (1).