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Document Title |
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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...
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7598884 |
Seismic warning system
The invention relates to a seismic warning system comprising of two or more sensors for detecting shock signals and electronic signal processing elements for processing and analyzing said signals....
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7593512 |
Private VoIP network for security system monitoring
Security systems typically communicate with alarm monitoring centers using a telephone connection. Security systems will check in with the alarm monitoring center with a diagnostic signal at a...
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7557721 |
On-board thermostat and a system for detecting excess temperature
The thermal detection and visual alarm unit includes a plurality of first expansion thermal detectors ( 17 ) with normally closed contacts that are connected in series with a first lamp ( 15 ) to...
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7525422 |
Method and system for providing alarm reporting in a managed network services environment
An approach for alarm reporting is provided. An alarm from a first alarm feed and an alarm from a second alarm feed are received. A merged alarm is generated to provide a consistent view of an...
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7474947 |
Vehicle customizing system
A vehicle customizing system is highly reliable in the event of communication failures. For setting control characteristic values pertaining to functions of control units to control characteristic...
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7467029 |
Dual processor supervisory control system for a vehicle
A vehicle control module for controlling an actuator unit in response to an input having a first processor, a first communication link coupled to the first processor, and a second processor coupled...
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7446659 |
Theft deterrent device with dual sensor assembly
A theft deterrent device allows a customer to handle an item of merchandise to which the device is connected. The device is configured to protect items of merchandise having first and second pieces...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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 )...
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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...
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6888459 |
RFID based security system
A system and method for constructing a security system for a building using at least one RFID reader to communicate with at least one RFID transponder to provide the radio link between each of a...
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6816068 |
Programmable temporal codes/pulses
A software driven, audible output control module can carry out bi-directional communications with an alarm system using the same common link as is used by ambient condition detectors, such as smoke...
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6816125 |
Forming electromagnetic communication circuit components using densified metal powder
Manufacturing techniques are described for forming electrical components. For example, a layer of a metal powder composition is deposited onto at least a portion of a substrate. Pressure is applied...
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6778082 |
Smoke detector system for a house
A method and apparatus are provided for activating smoke detector alarms within a house. The method includes the steps of providing a plurality of smoke detectors dispersed among a plurality of...
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6771170 |
Power system waveform capture
A circuit monitoring system for performing synchronized waveform capture. A waveform capture trigger communication network interconnects a plurality of monitoring devices. The system provides...
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6756896 |
Distributed residental alarm system and method therefor
A distributed residential alarm system and method provides protection of occupants and property from loss due to theft or hazardous conditions in the residence such as fire or flooding. The alarm...
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6696940 |
System and method for loop diagnostics in a security system
A security system comprising a control panel and a plurality of individually-addressable security system modules connected to the control panel on a loop data bus. Each of the security system...
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6693531 |
Integrated control of a system
A controlled system comprises a plurality of peripheral operating devices connected to an electrical power supply. Each of a plurality of local controllers is mounted near an associated peripheral...
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6693529 |
Fire alarm system
In a fire alarm system, a plurality of terminal equipments are connected to a control panel. A memory is provided with each terminal equipment, which stores characteristic data indicating...
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6674362 |
Emergency informing terminal and emergency informing system including the terminal
A main controller for controlling an emergency informing terminal, and a sub controller for controlling communications with an external device are provided. The main controller and sub controller...
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6614347 |
Apparatus and method for providing alarm synchronization among multiple alarm devices
A method and apparatus for synchronizing a series of interconnected alarm devices. The alarm device detecting an alarm condition produces a signal having a distinct rising edge which is detected at...
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6606028 |
Apparatus and method for supervision
A supervisable multi-processor communication system includes circuitry and executable instructions for evaluating the communication capability of a plurality of branches in the system. Branches...
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6396398 |
Method and apparatus for safe single-channel evaluation of sensor signals
For the safe evaluation of sensor signals, singular further processing is permitted by producing a redundancy signal in accordance with a prescribed algorithm when the sensor signals are actually...
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6392536 |
Multi-sensor detector
A multi-function detector has at least two different sensors coupled to a control circuit. In a normal operating mode the control circuit, which could include a programmed processor, processes...
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6374165 |
Railway information transmission method and system
In a railway information transmission method and system wherein information is transmitted by a consecutive transmission mode between on-vehicle control equipment and ground control equipment, a...
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6356191 |
Error compensation for a process fluid temperature transmitter
A process fluid temperature transmitter includes circuitry that improves compensation of error due to the presence of one or more non-associated voltage sources in a resistance temperature device...
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6353393 |
Switch status monitoring system
A switch status monitoring system ( 10 ) includes a switch signal processor ( 16 ) that operates in either of a supervised mode or an unsupervised mode for each monitored switch ( 12 ). Selection...
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6337570 |
Current loop comprising a test circuit
The 4 mA-20 mA type or 0-20 mA type current loop connects an analog sensor ( 1 ) to an acquisition system ( 3 ), respectively carrying a sensor current (Ic) and an acquisition current (Ia). A test...
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6265971 |
Fiber-sync communications channel
A monitoring system in an alarm apparatus includes a central panel for controlling operation of the alarm apparatus, first and second terminals, the second terminal including a communication...
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6259363 |
Detector removal signalling device
A signalling device applies a pulsating signal to supply lines when a head is removed from a base. A monitoring system includes a plurality of such signalling devices and is responsive to the...
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6252501 |
Message repeating apparatus and method
A multi-processor communication system includes a plurality of processors in bidirectional communication with one another. One processor can transmit a message to an intended recipient. The message...
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6246318 |
Modular safety switching
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6198389 |
Integrated individual sensor control in a security system
A intruder detection system is described comprising a programmable alarm control panel capable of issuing an alarm signal representative of an intruder in a protected zone wherein the control panel...
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6166632 |
Interactive alarm systems
An interactive security system includes a host controller, a security service center coupled with the host controller to receive an emergency signal from the host controller, a client society...
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6163263 |
Circuitry for electrical device in multi-device communications system
A self-monitoring power supply can be incorporated into electrical devices which are part of a multi-device communication system. The power supply is energized by electrical energy received from a...
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6150935 |
Fire alarm system with discrimination between smoke and non-smoke phenomena
An alarm system which incorporates a plurality of highly sensitive, early warning, smoke detectors incorporates functionality for distinguishing between detector signals in response to ambient...
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6127932 |
Optical flame sensor having opaque hollow tube
A flame sensor for sensing flame produced by the burner of a furnace. The sensor includes a closed end tube having a photosensitive element located therein. The photosensitive element is sealed off...
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