2803 results about "Monitoring site" patented technology

The sensitivity of a motion sensor or detector in a security system is adjusted by a remotely-transmitted signal, such as from a user interface device in the security system. In another approach, a pet wears a transmitter on its collar that transmits a wireless signal to command the motion sensor to adjust its sensitivity, e.g., by entering a pet immune mode, when the pet is in the room that is protected by the motion sensor. In another approach, a remote monitoring site sends instructions to the motion sensor via a communication interface. The sensitivity can be adjusted by adjusting a pulse count, optical gain, or electrical or optical sensitivity of the motion sensor.

A sensor system that provides an adjustable threshold level for the sensed quantity is described. The adjustable threshold allows the sensor to adjust to ambient conditions, aging of components, and other operational variations while still providing a relatively sensitive detection capability for hazardous conditions. The adjustable threshold sensor can operate for extended periods without maintenance or recalibration. A portable monitoring unit working in communication with the sensor system provides immediate communication of conditions detected by the sensors. The portable monitoring unit allows building or complex management to be in communication with a sensor system at all times without requiring someone to be physically present at a monitoring site. The portable monitoring unit can be equipped with an auditory device for alerting management or a screen for displaying pertinent information regarding an occurring situation so that management can quickly identify and resolve the problem. In addition, the portable monitoring unit can also be equipped with function keys that allow the portable monitoring unit to send instructions back to the sensor system. In one embodiment, the portable monitoring unit also includes a second transceiver for communications over a short wave radio frequency, or with a cellular phone system.

Method and apparatus for identifying broadcast digital audio signals include structure and/or function whereby the digital audio signal is provided to processing structure which is configured to (i) identify a program-identifying code in the received digital audio signal, (ii) identify a program-identifying code in a decompressed received digital audio signal, (iii) identify a feature signature in the received digital audio signal, and (iv) identify a feature signature in the decompressed received digital audio signal. Preferably, such processing structure is disposed in a dwelling or a monitoring site in an audience measurement system, such as the Nielsen TV ratings system.

A commissioning method and system. The method includes receiving details of a configuring process enabled by a power grid monitoring/control device associated with a power grid network topology comprising monitoring points associated and a power distribution grid. The power grid network topology is validated with respect to a configuration of measurement types, event types, and controls of the power distribution grid. Network point identifiers for each of the monitoring points are retrieved and a mapping report associating the power grid monitoring/control device with the power grid network topology using the network point identifiers is generated. The power grid monitoring/control device is registered for remote operation functionality and multiple grid events. The power grid monitoring/control device is commissioned into the power distribution grid.

Disclosed is a vehicle scheduling command system aiming at airport emergency rescue. The system includes a monitoring center and a display terminal, wherein the monitoring center is divided into a general monitoring center and a plurality of branch monitoring centers; the monitoring spot is divided into a plurality of zones and the vehicles in each zone is monitored by one branch monitoring center; the general monitoring center includes a vehicle scheduling supervision system for emergency command, a wireless information release server with a GPRS network card and a database for memorizing map and vehicle information and emergency schemes. When an emergency occurs, the basic information of the breakdown vans around the spot is collected by the GPS, the spot situation is drafted by the GIS technology, the sort and the level of the emergency are looked up from the emergency schemes in the database and a proper rescue strategy is provided, and the wireless information release server is kept in contact with the breakdown vans by the GPRS. The invention can quickly take emergency treatment; improve the reliability, the real-time performance and the flexibility of emergency command; and fulfill higher demand of the society and the public to air service.

The invention discloses a video flame-detecting method based on multi-features fusion, which is characterized in that: a fast Gaussian hybrid model is established and a pixel counter is arranged when a computer reads a first frame image a monitoring site captured by a colored camera; when the computer reads new images of a second frame and the following frames, a fast Gaussian hybrid method is firstly used for carrying out motion detection so as to extract a moving object and then a flame color decision is carried out to the moving object to obtain an alternative flame area; and finally, flicker analysis is carried out on the alternative flame area so as to identify a real flame object. The video flame-detecting method carries out modeling to flame color characteristics, motion characteristics and flickering characteristics in flame areas; various flame detection interfering resources are gradually and rapidly eliminated in accordance with the recognition sequence of motion, color and flickering. The test results show that the method has relatively strong robustness; in addition, based on an AMD 2.04GHz processor, the processing speed can reach 22 frames per second for video images with pixels of 320 multiplied by 240.

A tamper switch mechanism utilized in security interface devices such as keypad installations to render them tamper-resistant, wherein the devices are generally connected to burglar alarm and fire alarm systems. More particularly, provided is a conductive tamper switch which is installed in a security interface device, such as a keypad, which upon an unauthorized attempt to dislodge the device or keypad from a wall or surface on which it is mounted, will trigger an alarm or generate a warning signal at a monitoring site indicative that an effort at tampering with the device has been effected. Also disclosed is a method of providing the tamper switch mechanism in a security interface device, such as a keypad installation.

The monitoring equipment includes microprocessor, video sensor in use for monitoring site of tunnel, and communication module for communication outside. Microproceesor includes following modules: reading module for image dada in use for reading information of video image transferred from video sensor; file storage module in use for storing data collected by video sensor to storage device; real time playing module on site connected to external display device is in use for playing monitored image on site in real time. Output of the video sensor is connected to microprocessor through communication. Using all directional computer vision sensor monitors tunnel site, processes and analyzes images. Using detected variation character for fire flame in early phase, the invention finds early fire in tunnel as well as obtains traffic data including vehicle flowrate, and occupancy ratio, speed, and traffic accident etc.

The invention belongs to the field of safety production and early warming emergency of construction of water conservancy and hydropower projects and relates to an Internet of Things framework type system and method for monitoring and early warning of major accident potential safety hazards of a water conservancy and hydropower project. According to the Internet of Things framework type system and method for monitoring and early warning of the major accident potential safety hazards of the water conservancy and hydropower project, information of the potential safety hazards which can cause a potential accident in the area of the water conservancy and hydropower project is recognized and positioned to determine the types and levels of the potential safety hazards, and judging of the types and levels of the potential safety hazards and information statistics are carried out; meanwhile, the geographic position, spatial position, dynamic change, state change and state prediction of monitoring points in the area are analyzed by combining with the historical information of the area, early warning information can be generated automatically after potential safety hazard information in the monitoring area is beyond a set alarm value, and comprehensive data information of the potential safety hazards in the area and early warning of the major accident potential safety hazards of the project are provided through communication transmission.

The invention discloses an intelligent video monitor system combined with radio frequency technique and a method thereof. The system is composed by a data collection unit, a storage unit, a control unit and an application unit. The method comprises the steps of: mounting the data collection unit on a monitor scene as required by the monitor scene, enabling a monitored object to carry an electronic label including an exclusive identification coding, recording in the storage unit the distribution situation of the electronic labels, probability grammar describing motion rules of the object on the monitor scene and a variety of other information on the scene, ceaselessly capturing information of videos and electronic labels by the data collection unit, and transmitting the information upwards and continuously to the application unit via a network to realize the monitor to the monitored object. The invention effectively shortens the time as required by retrieving a video stream comprising particular objects and integrates merit about the radio frequency identification to batch-identify the objects at high speed, thereby the invention is convenient to track and monitor the monitored objects on condition of high density and improve system intelligence, as well as suitable for online application, expedient intelligent monitor system.

The invention provides a radioactive source on-line monitoring system based on an Internet of Things technology. The radioactive source on-line monitoring system comprises RF (radio frequency) cards, field monitoring terminals, a transmission network and an on-line monitoring informatization management platform, wherein the RF card is fixedly arranged in each monitoring site with a preset distance from a radiation source, unique identity information of a radiation source, approved geographical position information and the standard radiation dose rate are stored in the RF cards, each field monitoring terminal is arranged in the corresponding monitoring site, and comprises an RF card reader-writer, a radiation dose rate measuring instrument, video collecting equipment, a GPS (global positioning system) positioning device, a controller, an in-site warning device, a communication interface and a power supplying power supply, and the processor is respectively connected with the RF card reader-writer, the radiation dose rate measuring instrument, the video collecting equipment, the GPS positioning device, the field warning device, the communication interface and the power supplying power supply. The radioactive source on-line monitoring system has the advantages that the radiation source can be comprehensively monitored, then, through a communication network, the monitoring information can be remotely obtained in time, and the monitoring efficiency is effectively improved.

The invention relates to a pan and tilt camera with a sound identification and positioning function, which comprises a camera, a pan and tilt servo module and a pan and tilt control module, and the pan and tilt control module is respectively connected with the camera and the pan and tilt servo module. The pan and tilt camera has the following main technical characteristics that: the input end of the pan and tilt control module is connected with a sound identification and positioning module, and the input end of the sound identification and positioning module is connected with a highly directional sound pickup fixed on the pan and tilt camera. The design of the pan and tilt camera is reasonable, and the pan and tilt camera can identify and position the sound of a monitored site; when abnormal sound occurs, the pan and tilt camera can be controlled to aim at the direction of the sound source and shoot in order to timely acquire the video of an abnormal incident, and can send alarm information on the abnormal sound and the like to a monitoring center; the sound pickup distance is increased, the sound pickup effect are improved, the efficiency of capturing sound and other abnormal incidents is increased, and thereby the working efficiency of monitoring personnel can be increased.

Improved systems, devices, and methods for switching viewing between multiple video cameras. In one embodiment, switching between cameras is accomplished at lower cost and higher reliability by providing a system, devices and methods that utilize power switches, instead of high bandwidth switches. Embodiments provide local and remote access control installations to monitor multiple camera locations. Select specific embodiments verify user and/or monitoring site identity and/or authorization prior to permitting monitoring. In some specific embodiments, still picture monitoring may be utilized to decrease bandwidth requirements.

The invention provides a hierarchical structure based wireless sensor network time synchronization method. According to the hierarchical structure based wireless sensor network time synchronization method, gateway nodes and aggregation nodes are distributed in a monitoring site in advance and sensor nodes are carried by operators; the gateway nodes send hierarchy establishment broadcast data packages with time stamps; the aggregation nodes and the sensor nodes within the communication distance range extract hierarchy information after receiving the data packages, hierarchies of the aggregation nodes and the sensor nodes are changed by adding one to the current hierarchies, and local clocks are modified according to the time stamps; the gateway nodes are served as global time after network hierarchies are built, the timed polling sends time synchronization data packages to aggregation sub-nodes and the aggregation nodes synchronize the local clock time and the global time through the time synchronization algorithm; the sensor nodes perform time synchronization on the local clocks by intercepting time synchronization mutual data package information. The hierarchical structure based wireless sensor network time synchronization method achieves high accuracy time synchronization and improves the wireless sensor network channel utilization rate and the network life cycle.

A system for evaluating the condition of a pantograph, the system comprising: a track-side pantograph monitoring station that captures one or more images of a pantograph, while a locomotive comprising the pantograph is in normal service; a station management system that analyses one or more images captured at the monitoring site and determines the condition of the pantograph; and a user interface that controls the system and presents the results of the analysis to the user. A user may control the track-side monitoring station and station management system remotely.

The invention relates to an emergency interlocking monitoring system and a method thereof for a dangerous chemicals leakage accident, which belong to the technical field of the dangerous chemicals accident emergency rescue. The emergency interlocking monitoring system comprises an explosion-proof wireless gas concentration monitoring subsystem and an explosion-proof individual wireless video transmission subsystem arranged around the site where the leakage accident occurs; an emergency command host computer arranged at a site emergency command center, a video server and a wireless receiving module. The method mainly comprises the steps that wind direction, speed, concentration of leaked gas and video pictures on the site of each monitoring point are collected in real time, and the emergency command host computer receives and displays information, and provides site emergency treatment measures; the accident casualty radius is calculated according to aftermath, and the evacuation region of the people is determined; emergency rescue force and rescue facilities around the accident site are displayed on a GIS system, and the optimum evacuation path for the people is searched and displayed on an electronic map. The emergency interlocking monitoring system and the method can reduce the accident damage, and better guarantee the life safety and the property security of the people.

The invention relates to a method for detecting the passage by a vehicle of a determined point for monitoring on a road, wherein from a remotely situated location a radar beam is transmitted continuously to the point for monitoring, reflections from the transmitted radar beam are received at the remotely situated location, and it is determined from the received reflections that the vehicle is passing the point for monitoring. The radar beam can herein be transmitted at an acute angle to the travel direction of the passing vehicle. The detection can be used to activate a red-light camera, to measure the speed of the vehicle or measure the traffic intensity, without sensors, for instance induction loops, having to be arranged in the road for this purpose. The invention further relates to a system for performing this method.

The invention provides an electronic nose air quality monitoring system and method based on cloud computing. The system is provided with an electronic nose cloud terminal, a cloud monitoring center and a mobile phone client. A mode recognition network, a concentration computing network, a pollution source positioning network and an air quality forecasting network are configured on the cloud monitoring center. The electronic nose air quality monitoring system has the advantages that system integrates technologies such as an electronic nose, cloud computing, Internet of Things, clean energy and manual neural network, air quality and position information of each monitoring point are collected in real time and stored, information such as pollution gas category, concentration, pollution source position and air quality forecasting of each monitoring point is obtained after algorithm processing, and results are pushed to the mobile phone client, a large-range and large-scale air quality remote real-time monitoring and forecasting function is achieved, the monitoring results are precise, and the monitoring function is powerful.

The present invention relates to a remote alarming video frequency monitoring system and method, and the system comprises: at least one image collecting device is positioned on the monitoring site to hole the real-time image collecting, and is connected with one image collecting card. The image collecting card is connected with the image information processor, and makes the collected image data transferred to an image information processor. The image information processor is a processor with image data processing function, which is the control center of the system and is connected with the wireless sending device. When abnormal condition produced in the monitoring site, the alarming signal is sent out through the wireless sending device, and is transferred to at least one receiving terminal through the wireless communication net.

The invention provides a mobile terminal for diagnosing faults, and a method and a server thereof, wherein, the mobile terminal comprises a fault monitoring module, a diagnosing engine and a memory module; the fault monitoring module is used for arranging monitoring points where faults occur, so as to collect the fault date and the corresponding information; the diagnosing engine is used for recording and sending the service abnormality of the mobile terminal occurred during the operation process and device fault information; and the memory module is used for managing an internal memory segment of a booked length of the internal memory of the mobile terminal, and memories the service abnormality and the device fault information which are from the diagnosing engine. By applying the mobile terminal and the method for diagnosing the faults, which are provided by the invention, the problems occurred in the using process of the mobile terminal can be located and processed rapidly with a fast given processing proposition; and a user who cannot use the service normally or a user with operation failure records can be emphatically analyzed, so as to find potential users and enlarge service used amount.

The invention discloses a landslide early warning method and system. The system comprises a landslide deformation monitoring net and a comprehensive early warning unit. The landslide deformation monitoring net is composed of a satellite positioning base station and three or more satellite positioning monitoring stations. The satellite positioning monitoring stations are distributed at different monitoring points of the earth surface of a monitoring target. Each satellite positioning monitoring station is connected with a satellite positioning base station so that RTK positioning and calculating can be realized. The positioning results of all the satellite positioning monitoring stations are all transmitted to the comprehensive early warning unit. By monitoring the target overall posture and precisely calculating the displacement, deformation displacement predicting is realized; by fusing multi-source monitoring information, comprehensive early warning is realized. The system has the advantages of being high in early warning precision, simple in algorithm, easy to obtain and high in practicability, and can meet the actual requirements for landslide deformation early warning.

The present invention provides a security signal alarming system, mainly including a detector, a security alarming system, multiple camera guns, a video collector, a family gateway, a network server, a communication network and an user terminal, the camera gun is connected to the video collector via common analog video wire, the video collector and the family gateway are connected by unshielded twisted pair, the gateway is accessed in internet by radio card and communicated with the network server, the network server is communicated with the user terminal by the communication network. When the security alarming system alarms, the system processes alarming signal by family gateway, at the same time collecting video signal and sending alarming information to user, sending request video information by mobile phone or PDA terminal, observing condition of the monitoring site at any time and strengthening interactive of the security system and human, resolving the fateful fault of the misinformation in the present alarming system, and grasping the condition of monitoring point when the user not in the site.