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7583188 |
Software controlled access control door controller
The present invention is an access control door controller which utilizes three relays, 16 alarm inputs, tamper switch, a Weigand reader, a RS 232 reader and a IP core module to enable access...
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7522038 |
Emergency contact system and method
A system and method for managing crisis communication are disclosed. A contact database holds information used to deliver broadcast messages to selected contacts. Messages are prepared in advance...
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7254372 |
Method and system for transmitting, receiving, and collecting information related to a plurality of working components
A method and system for transmitting, receiving, and collecting information related to a plurality of working components, such as street lamps, allows for efficient and effective monitoring and...
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7038591 |
Apparatus for testing and marking workpieces
A workpiece testing and marking system includes an apparatus for testing a workpiece and for selectively generating a signal that is representative of a result of the test. The system also includes...
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5959528 |
Auto synchronous output module and system
An auto synchronous output module for use at a plurality of zones in a fire alarm and detection system consisting of a power source and output devices selectively coupled to the power source so as...
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5880710 |
Adaptive vehicle display
In the field of engine-powered vehicles is desirable to monitor vehicle operating parameters and provide a vehicle operator with an indication when the monitored parameters enter undesirable...
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5786757 |
Load shed scheme for two wire data transmission
An alarm system for detecting and warning of the presence of alarm and trouble conditions in transponders located in a plurality of zones consisting of a loop controller having a plurality of input...
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5764142 |
Fire alarm system with smoke particle discrimination
A fire detection system provides multiple levels of signal processing so as to minimize the effects of noise from various sources. In a first level of processing any DC bias in signals received...
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5327117 |
Adaptive message display apparatus
Sensors are used to detect data representing the current state of at least one monitored phenomena. The time available for a human being to make a judgment concerning the detected phenomena is...
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5293155 |
Interface for a supervised multi-input audible warning system
An interface for a supervised multiple input, audible warning system is disclosed. The interface continuously monitors or supervises a plurality of circuits between a control unit and an alarm unit...
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4885573 |
Diagnostic system for combustion controller
A combustion control system includes a sensor assembly and a process controller, the sensor assembly including sensors for providing output signals indicative of process variables, the process...
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4819733 |
Automatic fire extinguishing equipment
This invention relates to an automatic fire extinguishing equipment adapted to direct a nozzle towards the position of a flame starting within a supervising zone so as to discharge a fire...
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4812819 |
Functional relationship-based alarm processing system
A functional relationship-based alarm processing system and method analyzes each alarm as it is activated and determines its relative importance with other currently activated alarms and signals in...
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4699519 |
Grain temperature monitor
A grain temperature monitor for use with one or more grain bins, the monitor including one or more temperature sensors, an analog sensor indicator unit, and a non-analog sensor indicator unit. The...
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4635030 |
Status display system
The invention relates to a status display system for aircraft which system receives signals from sensors/transducers monitoring a plurality of parameters and subsystems of the aircraft. The system...
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4543567 |
Method for controlling output of alarm information
In a method for controlling output of alarm information in a system for monitoring a plant wherein process variables including analog type process variables at respective sensing points in the...
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4412212 |
Shearbar clearance detector
A forage harvester includes four multiple-bladed rotary cutting segments positioned near a shearbar. Four proximity sensors are mounted in shearbar bores near each of the cutting segments, each...
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4401971 |
Alarm device for a vehicle including priority control for plural alarm conditions
An alarm device for a vehicle comprises sensors for detecting abnormal states of the vehicle, a logic circuit for receiving the outputs of the sensors and producing one or more alarm speech...
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4383241 |
Voice warning system for vehicles
A voice warning system for vehicles adapted to give a voice warning of a specified condition detected by one of a plurality of sensors in one of a plurality of items of a vehicle which are to be...
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4365238 |
Visual signalling apparatus
An apparatus for visually signalling hearing impaired persons of the occurrence of an audible sound producing event. A plurality of sensing devices are individually located adjacent to a sound...
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4307374 |
Indicator for vehicles
An electronic display indicator system for automotive vehicles wherein a single visual display unit is utilized to display the outputs of a plurality of sensing devices. The indicator system is...
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4270852 |
Sound device incorporated camera
A sound device incorporated camera has an indication signal forming circuit for producing a warning signal, a signal indicative of the fact that the operation of the self-timer is in progress, or...
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4227526 |
Mechanism for aurally instructing a patient and method
A mechanism for aurally instructing a patient whose circulatory system is coupled to an infusion or exchanging machine and which includes a comparing means for discriminating between various...
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4196413 |
Dot-matrix type vehicle condition display apparatus
In a dot-matrix type vehicle condition display apparatus, binary coded signals corresponding to items to be displayed on a dot-matrix type fluorescent display tube are applied to portions of...
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4072924 |
Automotive priority message display
A system displays messages one at a time to inform a vehicle operator of malfunctions or other events occurring in a vehicle with priority being given to the event of most importance whenever more...
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4072925 |
Warning system for vehicles
A warning system for automotive vehicles of a construction, wherein a plurality of abnormality detectors are disposed at various locations in the vehicle so that any possible abnormality to occur...
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4064508 |
Alarm system including remote signalling means
An improved alarm system is disclosed which includes one or more remote stations. Each remote station is connected to the central or control station by only three conductors or leads. The control...
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4035764 |
Combination meter for automobile
A combination meter for an automobile comprising a first group of indicators and a second group of indicators adapted to come into operation later than the first group of indicators by a...
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4023146 |
Method for computing and evaluating emergency priority and evacuation routes for high rise buildings, mines and the like
An evacuation priority system for use in installations having a plurality of separate areas therein includes a plurality of detecting means, such as fire or smoke detectors, each for detecting an...
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4015237 |
Vehicle alarm system
A vehicle alarm system provides an audible alarm in the audio reproduction system of a vehicle when an abnormal condition is detected in an operating part of the vehicle. A sensor at each monitored...
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4015122 |
Photo-electric object detection system
A photo-electric light curtain for braking and terminating power to the ram of a press when an obstruction is detected in the curtain area uses an elongated fluorescent lamp as the light source. A...
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4011542 |
Redundant data transmission system
Disclosed is a redundant data transmission and storage system employed within a telephone message metering system. Information concerning local subscriber usage is transmitted over one of two...
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3988730 |
Multiple parameter monitoring and readout system with sampling of parameters of higher priority than the highest parameter which is out of tolerance
Apparatus for monitoring and indicating parameter conditions within a system. Signals are generated by sensors which monitor parameter state. The signals are sensed via a multiplexing scheme, each...
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3949356 |
Vehicle systems monitor discriminating between emergency conditions and deferrable maintenance needs
Operating parameters of an engine, such as coolant temperature, oil pressure, air filter flow and the like, are continuously monitored by an electrical circuit responsive to sensor switches. The...
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3939456 |
Heating plant monitor system
A heating plant monitor system for visually signalling the presence and location of a malfunction or abnormal condition is disclosed. The system is particularly adapted for use with residential or...
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3922640 |
Maximum and minimum brake temperature indicator
A circuit for monitoring the temperature of each of a plurality of brakes on a vehicle. Electrical equivalents of the brake temperatures are transmitted to maximum and minimum temperature sensing...
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3916375 |
Centralized warning system for vehicles
A centralized warning system for vehicles is provided wherein "1" and "0" signals are received from a plurality of sensors mounted at various parts of a vehicle where checking is required, whereby...
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3882476 |
ALARM SYSTEM WITH PERIODIC TEST SECTION
An alarm system includes detecting means having conductors. The impedance between the conductors is at least partly dependent on the alarm state to be detected. An alarm state detection portion...
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3879704 |
Warning apparatus for vehicles or the like
A warning apparatus for a vehicle in which a plurality of detecting devices are arranged to be operated in response to respective input signals which are different in degree of importance. The...
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3757301 |
SINGLE CABLE SIGNALING SYSTEM
A single cable signaling system adapted for recognizing the activation of a remote station coupled to the cable in an asynchronous fashion. Each station includes a transmitter so that when it is...
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3723986 |
TELEMETERING SYSTEM FOR DISPLAYING ANALOG AND DIGITAL DATA
This system displays both analog and digital data such as quantities and messages with predetermined display priorities assigned to the several messages or types of data. In operation, commands...
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3678513 |
PEAK SELECTION CIRCUIT AND APPARATUS UTILIZING SAME
A peak selection circuit connectible to receive several variable amplitude signals for selecting the signal of greatest amplitude and indicating which channel provided such signal. This peak...
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3638191 |
PRODUCTION MONITORING SYSTEM
A system providing an interface between work stations in a manufacturing plant and a central station which may include signals to supervisory personnel, and means to apply signals to a supervisory...
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3636540 |
TEMPERATURE CONTROL ALARM SYSTEM
As described herein, a temperature alarm control system is provided which includes a plurality of temperature measuring devices which generate positive or negative signals in accordance with an...
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3611363 |
ALARM DETECTION SYSTEM
An alarm detection system including a plurality of remote stations, each of the remote stations having a group of field points and an alarm signal generator responsive to an alarm condition at the...
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3582949 |
AUDIOVISUAL ANNUNCIATOR WITH PRIORITY RANKING FOR EACH CONDITION
An audiovisual annunciator for warning a system operator of the occurrence of various monitored conditions within the system. A signal generated in response to the occurrence of a monitored...
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3550122 |
DUAL POINT ANNUNCIATOR SYSTEM
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3447060 |
CIRCUIT FOR INDICATING WHEN A BATTERY IS DISCHARGED
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3441929 |
REMOTE REPORTING SYSTEM
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3435451 |
TEMPERATURE DIFFERENCE DETECTOR
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