89 results about "CCTV - Closed circuit television" patented technology

The invention belongs to the technical field of rail transit, and in particular relates to a system linkage method in the rail transit after an equipment failure. The method comprises the following steps of: intercoupling professional systems arranged in a station, an interval and a control centre, wherein the professional systems comprise a control centre comprehensive monitoring system, a station comprehensive monitoring system, an electromechanical equipment monitoring system, an electric power monitoring system, a closed circuit television system, a broadcasting system, a passenger information system, a screen door system and an automatic train monitoring system; monitoring the operating states of the professional systems; and selecting a station level linkage fault mode or a central level fault linkage mode according to fault information. The method has the advantages of improving the automation degree of rail transit line operation, realizing the functions of optimum management, staff conservation and synergy and the reduction of manual mistake operation, improving the comprehensive response speed of each system in the rail transit, and ensuring personal and equipment safety by establishing a fast response plan in the situation that equipment has a fault.

The invention relates to a radio-frequency-identification (RFID)-based closed circuit television system and an RFID-based monitoring method. The system comprises RFID tags (3A to 3E), a plurality of groups of monitoring front-ends consisting of readers (10A to 10E) and photographic devices (11A to 11E), an RFID registration module (12), a stream media processing module (13), a target tracking module (14), a wireless communication module (15) and a video switching module (16). In the system and the monitoring method, the RFID tags are attached to a monitoring target, identification codes are read from the RFID tags by the reader, and corresponding video streams are retrieved according to the identification codes for display on a monitor console, thereby realizing target tracking in the closed circuit television system based on an RFID technology. The system and the method have the advantages of capability of realizing the automatic switching of monitoring pictures and the automatic identification of the monitoring target, low cost, high tracking speed and accuracy, and convenience of conventional system upgrading and transformation, and are easy to implement.

The present invention relates to a video search apparatus and method, and more particularly, to a video search apparatus and method which can be used to search video data collected by a video capture apparatus, such as a closed circuit television (CCTV), for information desired by a user.

The invention discloses a digital closed circuit TV (television) cable for marine engineering and a manufacturing method thereof, belonging to the field of cables. The cable is characterized in that a cable core is formed by stranding three power cables, a network cable and a plurality of filling cores; the three power cables are closely linked with each other and are arranged on the periphery of the network cable; the filling cores ensure the cable core to be round; a halogen-free polyolefin outer sheath is extruded on the periphery of the cable core; each power cable is formed by a power cable conductor and a power cable insulating layer covering the power cable conductor; the network cable comprises a network cable core formed by stranding four twisted core wires; the periphery of the network cable core is covered by a network cable aluminium foil layer and a network cable braid; the center of each twisted core wire comprises a twisted wire pair and a drainage wire; each twisted wire pair is formed through mutual stranding of two insulated core wires; the twisted wire pairs and the drainage wires are lapped by aluminium foil and polyester composite strips; the aluminium layers of the composite strips faces inwards; and the drainage wires and the aluminium layers of the aluminium foil and polyester composite strips are electrically contacted with each other. The cable can provide power and data signals.

The invention relates to an intelligent tramcar signal system. The intelligent tramcar signal system comprises a dispatching management subsystem, a turnout junction controlling and interlocking subsystem, a vehicle-mounted subsystem, a level crossing optimized subsystem, a closed circuit television subsystem, a passenger information subsystem, a broadcast television subsystem, a maintenance subsystem and a communication subsystem, wherein the dispatching management subsystem is respectively connected with the turnout junction controlling and interlocking subsystem, the vehicle-mounted subsystem, the level crossing optimized subsystem, the closed circuit television subsystem, the passenger information subsystem and the broadcast television subsystem; the vehicle-mounted subsystem is respectively connected with the passenger information subsystem and the broadcast television subsystem, and is respectively connected with the turnout junction controlling and interlocking subsystem and the level crossing optimized subsystem through the communication subsystem; and the maintenance subsystem is respectively connected with the turnout junction controlling and interlocking subsystem and the level crossing optimized subsystem. Compared with the prior art, the intelligent tramcar signal system has the advantages of high integration level, high automation and the like.

An access control device including an electromagnetic lock module for selectively locking and unlocking a door in a door frame is provided. The access control device provides a lower profiled electromagnetic lock module to improve the aesthetics and functionality of the module, supports and integrates modern accessories such as CCTV, CCD cameras, passive motion detection with automatic background correction, digital notification display, automatic source voltage selection, door and lock status indicators, and ease of installation. The present invention further provides components and circuitry to enable connection of the electromagnetic control module to 12 or 24 volts DC or to an unfiltered rectified AC power supply.

A trenchless rehabilitation device for disconnects on large-diameter concrete drainage pipe and method thereof is provided; which includes: a pipe CCTV, a water blocking device, a lining repairing permanent structure, and a grouting device. The pipe CCTV is configured to determine the location of the pipe disconnection; the water blocking device is configured to form the working space; then the rubber seal lining short tube and multiple expanded round fixed steel plates are configured to form the inner repair permanent structure, and the grouting equipment is configured to insert the expanded round fixed steel plates. The grouting holes are configured to polymer grouting on the periphery of the pipe disconnection and the soil void. The trenchless repair process provided by the present invention can form a composite pipeline disjointed repair structure of inner repair permanent structure and polymer grouting material.

The invention relates to a closed circuit television inspection device used for inspecting the condition in a top cover of a reactor pressure container of a nuclear power plant, which comprises a platform positioning bracket and closed circuit television inspection equipment arranged on the platform positioning bracket, wherein the platform positioning bracket comprises a post rod of which one endis pressed against the inner surface of a biological shield ring for placing the top cover of the pressure container, and also comprises a first pneumatic supporting leg and a second pneumatic supporting leg; two matching states exist among the first pneumatic supporting leg, the second pneumatic supporting leg and the post rod; the first matching state is that the pneumatic supporting legs are furled and the first pneumatic supporting leg and the second pneumatic supporting leg are parallel with the post rod; and the second matching state is that the pneumatic supporting legs are unfolded, and certain angles are formed among the first pneumatic supporting leg, the second pneumatic supporting leg and the post rod.

The invention relates to the technical field of closed-circuit television monitoring systems, and discloses a high-altitude monitoring probe capable of automatically cleaning surface dust. The probe comprises a monitoring probe main body, a rotating plate is movably mounted on the inner wall of the right side of the monitoring probe main body, and an object block is fixedly connected to the bottomof the rotating plate. An air bag is fixedly installed on the inner wall of the right side of the monitoring probe body, the right side of the air bag is fixedly connected with an air guide pipe, a one-way valve is movably installed in the air guide pipe, and an air nozzle is fixedly installed on the left side of the air guide pipe. After a driving rod on the right side moves downwards, the stress balance state of a rotating plate is destroyed, so the rotating plate is driven to rotate anticlockwise under the action of an object block, an air bag is extruded to contract, air in the air bag istransmitted into an air nozzle through an air guide pipe, and the air nozzle is used for blowing air to a probe; therefore, dust adhered to the surface of the probe is blown, and the effect of cleaning the dust of the probe is achieved.

The present invention relates to a method and a system for recognition of objects near a ship by using a deep neural network to prevent a collision with the object by recognizing a neighboring object that may be risky to the ship sailing in a restricted condition such as a foggy environment. All object movements within a predetermined radius are detected and recognized so that collision accidents with objects on the sea in an environment such as fog caused by bad weather at sea can be prevented, and a risk alarm is notified to a captain when the object is detected so that collision accidents can be remarkably reduced. In addition, peripheral environments are detected by only installing a CCTV camera so that expenses can be reduced, human negligence can be prevented, and the system can be easily constructed to prevent collisions.

The invention provides a CCTV camera system with alternating/direct current restrain oneself power supplier, the camera system includes: camera which is coupled with the device to receive the first power, and image transmission device which is coupled with the camera to transfer the video signal generated by the camera to the monitoring system. Besides, the invention also provides a wireless doorway interphone system which possesses at least three groups of direct current restrain oneself power supplier and wireless TV set interphone system which possesses at least three groups of alternating/direct current restrain oneself power supplier.

A system and method of setting configurations for individual encoders and cameras in closed circuit television (CCTV) systems, for example surveillance and security systems comprising a plurality of cameras. One aspect of the disclosed invention is a system for configuring/reconfiguring the settings of remote units in an Internet Protocol (IP) based CCTV system. The system may include a configuration device and a plurality of remotely located units dispersed in a region of interest. The plurality of remotely located units may include one or more groups, each group including units of the same type. Each remote unit in the system may include logic and software for operating its components, as well as communication components allowing transfer of information over a network to and from the configuration device and the other remote units in the system.

The invention provides a multimedia computer with a programmable controller structure. The multimedia computer consists of three levels, namely on the first level, different types of input/output and control equipment are adopted and belong to conventional configuration; on the second level, a high-grade programmable controller is adopted, has an active communication function so as to be connected with the equipment of the first level easily and can upwards transmit an alarm signal in real time once an alarm signal is generated; and on the third level, the multimedia computer is adopted, runs system monitoring, scheduling and managing software under the support of tool software, such as Windows, VisualBasic and the like, and finishes functions of monitoring closed circuit televisions, processing anti-theft alarm and the like; and works of a foreground and a background can be realized.

The invention provides a firearm on duty out-of-position alarm system which is technically characterized in that a signal generator is adhered to a firearm and is connected with a signal receiver by a signal transmission device; an emergency alarm button and an alarm are installed in the signal receiver; and the signal receiver consists of a single chip microcomputer control circuit, a wireless electric receiving and launching circuit, a decoding circuit, a signal prompt circuit and the like, receives an encoding signal launched by a launcher to decode, returns a signal to the transmission device without receiving the signal to express that the firearm is out of the position and alarms to a previous alarm. The invention has the advantages of complete functions, simple operation, reliable performance, high management benefit by combining the security working practice of a troop, remarkable military benefit and economic benefit and better effect by matching with a closed circuit television monitor technology.

A method for real-time crowd management includes receiving LiDAR point cloud data from area of interest, forming a 3D static surface model of area of interest from LiDAR point cloud data, obtaining real-time CCTV camera images of area of interest, adding real-time CCTV camera images to 3D static surface model to generate real-time dynamic 3D model, identifying dynamic objects in the 3D model, generating a density map of an area of interest, adding density map to the 3D model, identifying which dynamic objects are people, replacing each person with animated character, displaying real-time dynamic 3D model, monitoring the 3D model in the area of interest for dangerous situations, simulating evacuation of area of interest by manipulating animated characters onto pathways leading away from area of interest, forming an evacuation strategy for crowd, and transmitting a notice of the dangerous situation and the evacuation strategy to an emergency authority.

A closed circuit television (CCTV) image data distribution processing apparatus includes a CCTV image data receiver configured to receive CCTV image data from a CCTV camera, an encryption processor configured to perform encryption-processing on the CCTV image data, a data splitter configured to split the CCTV image data into chunk data, an index processor configured to perform index-processing on the chunk data with an index generated through the encryption, and a controller configured to distribute and store the index-processed chunk data in a plurality of storage servers corresponding to corresponding indexes, respectively, or to decode chunk data to restore original CCTV image data when receiving the chunk data stored in the storage server.

The invention relates to the technical field of closed circuit television monitoring systems and discloses an aloft-work-free anti-theft mounting rack for a closed circuit television monitoring system. The aloft-work-free anti-theft mounting rack comprises a supporting rod. The right side of the interior of a mounting base is provided with a first locating groove, a guide groove and a second locating groove from top to bottom in sequence. The upper portion of an arrow-shaped sliding rod is provided with an arc-shaped groove and connected with a separation ring corresponding to the arc-shaped groove. A first spring is connected between an adjusting device and the arrow-shaped sliding rod. A second spring is connected between the right side of a clamping block and the right end of the guidegroove. The arrow-shaped sliding rod is pulled to move upwards through the right end of a cord. The clamping block squeezes the upper arc surface of the separation ring to move to the location below the clamping block, a first driving shaft is controlled to rotate clockwise, the arrow-shaped sliding rod drives the separation ring to slide downwards under the action of gravity, and the clamping block moves to push the separation ring to move out of the arc-shaped groove. Through the aloft-work-free anti-theft mounting rack for the closed circuit television monitoring system, the problems that an existing monitoring system device is inconvenient to install and maintain and causes the risk of aloft work are solved.

The invention discloses a monitoring system of a closed-circuit television. The monitoring system of the closed-circuit television comprises a video matrix distributor, a television wall, a DVR digital video recorder and a monitor, wherein the video matrix distributor is connected with the television wall and the DVR digital video recorder; and the monitor comprises a half-dome camera, a gun camera, a pan-and-tilt camera and a dome pan-and-tilt camera, the half-dome camera, the gun camera, the pan-and-tilt camera and the dome pan-and-tilt camera are mounted at positions to be monitored, and the half-dome camera and the gun camera are connected with the video matrix distributor. Due to the design of hollow monitor cooling fins, an intake fan and an exhaust fan, when the monitor is used fora long time, the cooling fins can quickly radiate the internal heat out, and the hollow monitor cooling fins are communicated with the intake fan and the exhaust fan through breather pipes and connecting pipes, so that the airflow circulates in the cooling fins to accelerate the dissipation of heat on the cooling fins, thereby facilitating the heat dissipation efficiency of the cooling fins.