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| Number | Title | Issue Date |
| 7936260 | Identifying redundant alarms by determining coefficients of correlation between alarm categories Methods, systems, and computer-readable media for identifying potentially redundant alarms based on a statistical correlation calculated between categories of alarms are provided. Each alarm in a compilation of alarm history data is assigned to an alarm category. A ... | 05/03/2011 |
| 7764169 | System for monitoring a plurality of sensors A monitoring system for detecting faults in an apparatus, such as a ski lift, employs a communication network onto which a sensor bus controller periodically transmits a safety message and receives a echo of each safety message. Different sensors are coupled to sens... | 07/27/2010 |
| 7656286 | Trusted monitoring system and method Methods and apparatus for monitoring remotely located objects with a system comprised of at least one master data collection unit, any number of remote sensor units, and a central data collection server are described. The master unit is configured to monitor any obj... | 02/02/2010 |
| 7629880 | System, method and device for detecting a siren A system, device and method for detecting an audible alarm are provided. In one embodiment, the method may include the steps of receiving an audio input, determining that the audio input has at least a threshold magnitude, determining that the audio input includes o... | 12/08/2009 |
| 7436291 | Protection of devices in a redundant configuration A network communication device is provided, comprising a control processor for controlling operation of the device, a reset module which is controllable independently of the control processor for performing a reset operation of the device, and a reset control interf... | 10/14/2008 |
| 7436297 | System and method for protecting networked security devices A system for protecting a plurality of networked security devices is disclosed. The system includes a plurality of connectors, a plurality of security containers coupled together by the plurality of connectors, and a plurality of sensors, whereby at least one sensor... | 10/14/2008 |
| 7429929 | Safety device A safety device includes a safety module (11), a data bus (12) and one or several transmitters (15, 16, 17, 18, 19, 20). The safety module transmits a pulse train (one dynamic signal) over the bus (12) constituting a loop, whereby the pul... | 09/30/2008 |
| 7382245 | Method and apparatus for indicating a power condition at a notification appliance A notification appliance and an alarm system are provided. The notification appliance comprises an alarm indicator and a control module, which is configured to perform notification applications by turning on/off the alarm indicator. The control module receives at le... | 06/03/2008 |
| 7362654 | System and a method for detecting the direction of arrival of a sound signal The disclosed invention is a highly reliable cost effective sound direction detection system. In the preferred embodiment of the invention the system comprises a device which includes two microphones set at a spread of at lease 5 cm from each other, a digital signal... | 04/22/2008 |
| 7333010 | Method and apparatus for verifying operation of notification appliances during low input voltage condition A method for verifying operation of notification appliances on a notification appliance network during low input voltage conditions is provided. An output voltage is supplied to a network and is measured at a control panel. An input parameter is measured at a notifi... | 02/19/2008 |
| 7323978 | False alarm reduction method and system A digital verification control, which is incorporated with an alarm system, includes a first timer device for presetting a single zone verification time in the control panel and second timer device for presetting a multiple zone verification time in the control pane... | 01/29/2008 |
| 7313695 | Systems and methods for dynamic threat assessment The threat probability of events generated by a security device on a computer network is assessed by comparing the threat probability to a global threat probability. An abstract data type is used to describe how the events are combined to form a threat. If an event ... | 12/25/2007 |
| 7298253 | Method and apparatus for deciding whether to issue an alarm signal in a security system A method of operating a security system includes providing a plurality of sensors, and detecting at least one event with the sensors. A decision whether to initiate an alarm signal is dependent upon the detecting by each of the sensors, which of the sensors has dete... | 11/20/2007 |
| 7292723 | System for image analysis in a network that is structured with multiple layers and differentially weighted neurons Disclosed herein are systems and methods for facilitating the usage of an online workforce to remotely monitor security-sensitive sites and report potential security breaches. In some embodiments, cameras are configured to monitor critical civilian infrastruc... | 11/06/2007 |
| 7286049 | Method and system of re-directing and backing up security system data at a receiver A monitoring system having a plurality of receivers connected to at least one other receiver such that data can be transmitted from a primary receiver to a backup receiver if a data path to an automation computer or to its printer is down. The system programs a prim... | 10/23/2007 |
| 7283055 | Electrified cover safeguard A warning device that turns on a warning light and or a warning sound to indicate when a manhole cover or a service box cover or a metal pole for lights, traffic lights, transformers or others has become dangerously electrically charged. The invention is attached to... | 10/16/2007 |
| 7262693 | Process field device with radio frequency communication A field device for use in an industrial process control or monitoring system includes terminals configured to connect to a two-wire process control loop. The loop carries data and provides power to the field device. RF circuitry in the field device is provided for r... | 08/28/2007 |
| 7248155 | Security device with built-in intercommunicated false alarm reduction control A security device includes a plurality of security detectors intercommunicating with each other. Each of the security detectors includes a first device for verifying a single zone verification time of the respective security detector and a second device for verifyin... | 07/24/2007 |
| 7221274 | Docking station for security key 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 tumb... | 05/22/2007 |
| 7212115 | Tamper-proof noose sensor 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 th... | 05/01/2007 |
| 7200246 | Object detection A visual object detection system to provide access and/or presence monitoring of an area of interest. In steady state operation, that is when no object is entering or within the area of interest, only those portions of the incoming images that correspond to the bord... | 04/03/2007 |
| 7135998 | Electronic circuit arrangement for error-free analog/digital conversion of signals The present invention relates to a circuit arrangement for the error-free analog-to-digital conversion of N analog input signals Ni in a plurality of digital output signals corresponding to the number N using exactly one analog-to-digital converter, where... | 11/14/2006 |
| 7106193 | Integrated alarm detection and verification device A security system device including a single housing including at least a primary alarm sensor, an alarm verification unit, and processing circuitry. The primary alarm sensor is adapted to monitor a primary protected area and to generate a primary alarm signal when t... | 09/12/2006 |
| 7098798 | Process device with loop override A process device for use in a process control system includes output circuitry configured to couple to a process control loop. The output circuitry controls electrical current through the loop. Loop override circuitry is configured to override operation of the outpu... | 08/29/2006 |
| 7099525 | Dual-mode/function optical and electrical interconnects, methods of fabrication thereof, and methods of use thereof Devices and systems having one or more of the following components: a compliant pillar with a modified tip surface (non-flat tip) and a corresponding compliant socket; an optical/electrical I/O interconnect and a corresponding compliant socket; a lens/waveguide opti... | 08/29/2006 |
| 7057497 | Security device A security device includes an impact sensing unit for sensing an impact, a sound pressure sensing unit for sensing a sound pressure, an abnormal degree determination unit for determining an abnormal degree based on a level of an impact sensing signal sensed by the i... | 06/06/2006 |
| 7058967 | Video distribution system and method An integrated video distribution system for distributing video signals from a plurality of sources. The system includes a digitizer arrangement arranged to receive analog video signals from a plurality of video sources. The analog video signals are digitized in YCrC... | 06/06/2006 |
| 7049952 | System for detection of hazardous events A system for detecting the occurrence of anomalies, includes a plurality of spaced apart nodes, with each node having adjacent nodes, each of the nodes having one or more sensors associated with the node and capable of detecting anomalies, and each of the nodes havi... | 05/23/2006 |
| 7045764 | Passive detection system for detecting a body near a door A detection system for detecting a body near a doorway includes two detectors having one or more activation lines that overlap each other. With certain mounting arrangements, the detectors cover areas within and on both sides of the doorway. The detectors are meant ... | 05/16/2006 |
| 7042355 | Environmental cameras An image capture detection system including a short range radio transmitter (13) and a short range radio receiver and decoder (12) installed in or on an image capture device (10). The system further comprises a remote detection unit (14) ... | 05/09/2006 |
| 7039815 | Method for protecting a data memory A method for protecting a security data memory is described wherein external action on a component containing the security data memory is detected by sensors. Overshooting of a threshold on one of the sensors causes an attack to be signaled by reason of which the co... | 05/02/2006 |
| 7032434 | Water leakage detecting device in dishwasher A water leakage detecting device for effectively detecting water leakage and sensing malfunctions in the device is disclosed. The device includes a base retaining water leaked from a tub, a detector detecting whether leaked water is retained in the base, a first sig... | 04/25/2006 |
| 7034705 | Emergency information terminal and emergency information system including terminal An emergency information terminal includes two power supply circuits supplying power to the internal circuits including a controller. If one of the power supply circuits fails, the other power supply circuit supply power, and the operation of the terminal is maintai... | 04/25/2006 |
| 7030757 | Security system and moving robot A security system comprises a first sensor disposed in an area to be monitored in a building to monitor the area; a moving robot having a robot main body, a second sensor for monitoring the area to be monitored and a robot operation processor for moving the robot ma... | 04/18/2006 |
| 7017096 | Sequential test pattern generation using clock-control design for testability structures Techniques for testing a sequential circuit comprising a plurality of flip-flops or other types of registers. The circuit is first configured such that substantially all feedback loops associated with the registers, other than one or more self-loops each associated ... | 03/21/2006 |
| 6982641 | Simplified circuit for intrusion detectors The present invention comprises a simplified control/hook-up circuit for intrusion detection devices that reduces the overall number of wires and attendant connections necessary between the control panel box and the terminals of the detector. This simplified design ... | 01/03/2006 |
| 6952166 | Burglar alarm system having reduced wiring 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... | 10/04/2005 |
| 6930596 | System for detection of hazardous events A system for detecting the occurrence of anomalies, includes a plurality of spaced apart nodes, with each node having adjacent nodes, each of the nodes having one or more sensors associated with the node and capable of detecting anomalies, and each of the nodes havi... | 08/16/2005 |
| 6927695 | Sensor loop with distributed power sources and method therefor A fail-safe electrical control system in the form of a sensor loop (24) is provided. The sensor loop (24) includes any number of sensor units (22) coupled in series. Each sensor unit (22) includes a local power source (26), a local... | 08/09/2005 |
| 6914519 | System and method for muting alarms during a conference A system, method, apparatus, means, and computer program code for muting or disabling audible alarms or alerts during a conference or collaboration event are provided. During the conference or collaboration event, users may participate in the conference via user or ... | 07/05/2005 |
