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34 results about "Television lines" patented technology

Television lines (TVL) is a specification of an analog camera's or monitors's horizontal resolution power. The TVL is one of the most important resolution measures in a video system. The TVL can be measured with the standard EIA-1956 resolution chart.

Film source video detection

A television line doubler (interlaced to progressive scan converter) incorporating the following aspects—an improved field motion detector which does not treat low frequency vertical transitions as motion; a frame motion detector having an improved ability to differentiate motion from subcarrier signal components; a sawtooth artifact detector; a sawtooth artifact detector in combination with a film pattern detector, such that the artifact detector can take the film pattern detector out of film mode earlier than it would if it only were responsive to a break in the film pattern; tandem field motion detectors; an improved field based film detector; film pattern detectors and motion detectors used therewith which operate by performing end-of-field calculations; the combination of a field motion detector and a frame motion detector such that the frame motion detector provides a motion signal used as a verification by the field motion detector; an improved NTSC film detector requiring a minimum number of NTSC film pattern sequences; and an improved PAL film detector employing a minimum motion threshold detector.
Owner:TAMIRAS PER PTE LTD LLC

Apparatus and method for measuring resolution of CCD camera base on triangle direction discrimination

InactiveCN101355711AEasy to testEliminate the largest sources of errorTelevision systemsTesting optical propertiesMeasurement deviceGrid pattern
The present invention relates to a CCD camera resolution measurement device based on triangle direction identification and a method thereof, belonging to the photoelectric test field. The device comprises a CCD camera to be measured, a resolution target, an even illumination lamp house and a high resolution monitor. The revolution target adopts an equilateral triangle pattern to substitute an ordinary grid pattern. In the test process, the identification of the orientation of the equilateral triangle substitutes the conventional fringe resolution so that the Morie fringe influence in the conventional grid pattern resolution test can be effectively avoided. The television line number corresponding to the correct decision probability higher than 75 percent is determined to be the limiting resolution of the camera. In order to improve the measuring accuracy, a value interpolation calculation is adopted for the standard grid interval so scheme out a novel television resolution target. The measurement accuracy can be largely improved by cooperating two targets. The method and the device can be applied to the performance evaluation of various visible light CCD cameras.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Production method of television line diagram for testing photoelectronic imaging system resolution power

The invention relates to a method for manufacturing a television line chart for testing the resolving power of a photoelectronic imaging system. The manufacturing method comprises the following steps: gathering parameters for manufacturing the chart, and calculating the optimal focusing distance; calculating the line pair length of the possible measuring range of the optical system according to the parameters; filming the manufactured line pair with an optical imaging system to be tested, and taking 80% of the ultimate resolution line pair as the basis; testing whether the resolving limit of the filming area falls in the line pair, and if yes, measuring the size of the chart in the focusing position; and determining the optimal line pair combination in all the areas for manufacturing the chart. Compared with the prior art, the invention has the following advantages: the resolving power of the optical system to be tested can be subjected to a quantitative test; the universality is good; the problem that the focusing distance is limited by the size of the chart is solved; the cost is low; the imaging conditions of the testing areas can be reflected more clearly; the invention can not be limited by the number of pixels or the definition; and with the Chart information, the invention is more suitable for mass production.
Owner:SHANGHAI LAIMU ELECTRONICS

Method and apparatus for synthesizing copy protection for reducing/defeating the effectiveness or capability of a circumvention device

A new copy protection signal includes resistance to certain circumvention devices and includes improved playability. The new copy protection signal causes the certain circumvention devices to pass substantially the copy protection effects to a video recorder or to allow for content control effectiveness on a compliant device. The new copy protection signal also causes the circumvention device to add or enhance copy protection effectiveness, which is contrary to the circumvention device's original intent of removing or reducing copy protection effectiveness. The new copy protection signal is provided by inserting or adding one or more pseudo sync pulses or one or more pseudo sync / AGC pulse pairs immediately after, or one line after, a vertical sync signal in at least one television line.
Owner:ROVI SOLUTIONS CORP

No-power line television based on type-C interface

ActiveCN105491421ARealize positive and negative pluggingEasy to useSelective content distributionComputer moduleEngineering
The invention discloses a no-power-line television based on a Type-C interface, comprising a sound box, a signal board and a display module. The signal board is arranged in the sound box; the signal board comprises a power supply module, a switch module, a first Type-C interface and an audio frequency processing module; the display assembly comprises a second Type-C interface, a display driving module, a control module and a display screen. The invention can realize signal transmission and power supply through arranging the signal board in the sound box, outputting 5V,12V and 20V voltage to various module for supplying power, integrating all interfaces on the sound box, and thus the signal and television display can be finished through the Type-C interface. In the meantime, the television line can realize the plugging in both directions and provides convenience to usage.
Owner:KONKA GROUP

DBA (dynamic bandwidth allocation) method of TDMA (time division multiple address) in EOC system realizing C-HPAV standard

The invention discloses a DBA (dynamic bandwidth allocation) algorithm for realizing TDMA (time division multiple address) access in a C-HPAV network communication system realizing the community antenna television broadband access EOC standard of the State Administration of Radio, Film and Television through a cross-layer network flow predicting method. The method includes that on the basis of a C-HPAV system architecture, during TDMA time slot DBA, in a CLT (coax line terminal), and for each CNU (coax network unit), namely an EOC terminal, an MAC layer records the number of physical layer PBs sent by uplink and downlink of each period of the CNU in continuous N communication periods, a sequence of the number of the physical layer PBs counted by the MAC layer in first N communication periods is taken as a sample, the sequence is subjected to weighted averaging to acquire a prediction value of the number of the physical layer PBs sent by the CNU in the N+1th communication period, the prediction value is taken as a basis for bandwidth allocation of the MAC layer, and self-adaptive dynamic bandwidth allocation is realized.
Owner:BEIJING GAN TONG TECH

Device for transforming computer graphics signals to television video signals

A transforming device for transforming computer graphics signals to television signals is provided. The transforming device includes a scaled-down line generating unit that receives the computer vertical line and generates the scaled-down vertical line, a controller that receives the scaled-down vertical line, and a scaled-down buffer that stores the scaled-down vertical line or the value of the scaled-down vertical line performed by the weighted-averages method. The content of the scaled-down buffer is transmitted to a weighted-averages operation unit, and then it is performed by the weighted-averages method with the next scaled-down vertical line. When a TV line is generated, it is the output of the transforming device. The present invention has the advantage of reducing the needed buffers in the transforming process and thereby reducing the cost.
Owner:VIA TECH INC

Television line, television system and television playing data acquisition method

The invention provides a television line, a television system and a television playing data acquisition method. The television line comprises a master chip, a memory, an information receiver, a USB interface and an HDMI interface, wherein the television line is connected to a set top box through the USB interface; the television line is connected to a television through the HDMI interface; the information receiver is used for receiving a first data request sent by a user; the master chip is used for generating a second data request according to the first data request and sending the second data request to the set top box; the master chip is further used for decoding first feedback data returned by the set top box, and sending the decoded second feedback data to the television in order to make the television play second feedback data; and the memory is used for storing the first feedback data and / or second feedback data. According to the television line, the television system and the television playing data acquisition method, the capacity of acquiring data by the set top box is reserved, the data decoding capability is improved by increasing the television line supporting the decoding of multiple data formats, so that the updating cost of the television system is reduced.
Owner:广东有线广播电视网络有限公司

Interlaced video field motion detection

A television line doubler (interlaced to progressive scan converter) incorporating the following aspects an improved field motion detector which does not treat low frequency vertical transitions as motion; a frame motion detector having an improved ability to differentiate motion from subcarrier signal components; a sawtooth artifact detector; a sawtooth artifact detector in combination with a film pattern detector, such that the artifact detector can take the film pattern detector out of film mode earlier than it would if it only were responsive to a break in the film pattern; tandem field motion detectors; an improved field based film detector; film pattern detectors and motion detectors used therewith which operate by performing end-of-field calculations; the combination of a field motion detector and a frame motion detector such that the frame motion detector provides a motion signal used as a verification by the field motion detector; an improved NTSC film detector requiring a minimum number of NTSC film pattern sequences; and an improved PAL film detector employing a minimum motion threshold detector.
Owner:TAMIRAS PER PTE LTD LLC

Three-wire hanging support

The invention discloses a three-line hanging support. The three-line hanging support comprises a cross beam, a longitudinal beam and a fixing device connected with an electric rod. The cross beam comprises a fixed end and a connection end. The fixed end of the cross beam is connected with the fixing device. The longitudinal beam is perpendicularly fixed to the connection end of the cross beam. Insulators are further fixed on the cross beam on two sides of the longitudinal beam. The three-line hanging support has the advantages that after the device is used, an electric power line is connected with the insulators, a communication line and a broadcast television line are respectively hung on two ends of the longitudinal beam, the longitudinal beam is arranged to facilitate the fixing of lines and the installation of an equipment box; in addition, after the device is used, the lines on the electric rod are very clear, the electric power line, the television line and the communication line are separated from each other, a worker is no longer distributed by the lines when climbing the electric rod, and the line maintenance is convenient.
Owner:LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER +2

Production method of full-dry big data photoelectric network cable and big data photoelectric network cable

The invention relates to a production method of a full-dry big data photoelectric network cable and the big data photoelectric network cable. An output method includes the steps of band combining, winding, optical cable manufacturing, cable combining, wrapping of waterstop tape and a steel band, wrapping of a second sheath layer, wrapping of a third sheath layer and the like. The big data photoelectric network cable comprises an optical cable, a waterstop material, a first sheath layer, the waterstop tape, a metal band, the second sheath layer and the third sheath layer, wherein the optical cable is composed of a wire, a television line, a network cable and a plurality of wound optical fibers; the waterstop material is arranged among the television line, the network cable and the optical cable in a filling mode; the first sheath layer, the waterstop tape, the metal band, the second sheath layer and the third sheath layer wrap the television line, the network cable, the optical cable and the waterstop material from inside to outside. The wire is embedded in the second sheath layer. The big data photoelectric network cable has the advantages that the cable utilization rate is high, perspectiveness is good, the diameter of an optical fiber unit can be reduced, multiple cables can be fused and connected conveniently, construction efficiency is high, conductivity can be achieved and tensile performance of the optical cable can be improved by using the wire as a reinforcing element, and the modified nylon third sheath layer can prevent mice and ants.
Owner:NANJING WASIN FUJIKURA OPTICAL COMM LTD

Set-top box provided mobile television set cabinet for 3D modular housing

The invention discloses a set-top box provided mobile television set cabinet for 3D modular housing. The 3D modular housing comprises the following modules: a floor, wallboards, a roof and corner posts. A power cord, a network cable and a television line are arranged inside the wallboards. The television set cabinet comprises an upper cabinet body, a lower cabinet body, a telescopic rod and a controller, wherein the lower cabinet body is fixedly arranged between the wallboard A on one side and the floor and is integrated with the wallboard A; the upper cabinet body is arranged above the lower cabinet body in a parallel mode; the upper and lower cabinet bodies are parallel and are connected in a sliding mode; the part, corresponding to the upper cabinet body, of the wallboard A, is provided with a cavity for accommodating the upper cavity body; the telescopic rod is fixedly arranged in the cavity; the telescopic rod, in the sliding direction of the upper cabinet body, is fixedly connected to the interior of the cavity; the end of the telescopic rod is connected to the upper cabinet body; a controller is electrically connected to the telescopic rod for controlling the stretching of the telescopic rod; and a television set is fixedly connected to the front end face of the upper cabinet body. On the wallboard A, the end of the network cable and the end of the power cord extend out of the cavity. A set-top box is arranged on the back of the upper cabinet body.
Owner:WENDENG LANDAO ARCHITECTURAL ENG CO LTD

A Gravity Adaptive Lift for LED TV Production Line

The invention discloses a gravity self-adaptive lifter for LED TV production line, which comprises two longitudinal supports arranged oppositely, a fixed friction plate and a loading platform between the two longitudinal supports, and the two longitudinal supports are opposite to each other. One side of the loading platform is provided with rolling grooves; the upper plane of one end of the loading platform is connected to the lifting motor through a cable, the lifting motor is located above the loading platform, and the lower plane of the other end of the loading platform is rotated and installed on the cross bar. The end is rolled and installed in the rolling groove; the middle part of the crossbar is rotated and installed with a herringbone friction strut, and the sliding plate fixedly connected at one end is limited in the rectangular groove on the lower plane of the loading platform, and the sliding friction strut fixedly connected at the other end The plate and the fixed friction plate are in contact with each other. The invention realizes the automatic matching and adaptation of the frictional resistance and the gravity, achieves the purpose of uniformly lowering the goods on the loading platform, and has the advantages of energy saving, simple and reliable structure.
Owner:滁州汽车与家电技术及装备研究院 +2

Method and apparatus for synthesizing copy protection for reducing/defeating the effectiveness or capability of a circumvention device

A new copy protection signal includes resistance to certain circumvention devices and includes improved playability. The new copy protection signal causes the certain circumvention devices to pass substantially the copy protection effects to a video recorder or to allow for content control effectiveness on a compliant device. The new copy protection signal also causes the circumvention device to add or enhance copy protection effectiveness, which is contrary to the circumvention device's original intent of removing or reducing copy protection effectiveness. The new copy protection signal is provided by inserting or adding one or more pseudo sync pulses or one or more pseudo sync / AGC pulse pairs immediately after, or one line after, a vertical sync signal in at least one television line.
Owner:ROVI SOLUTIONS CORP

General budget method for plenty of broadcasting and television lines

The invention relates to the field of general budget, and particularly relates to a general budget method for plenty of broadcasting and television lines. The general budget method comprises the following steps: summing up elements needing to be subjected to statistical calculation to work out a plurality of first-stage aggregates and second-stage aggregates under the first-stage aggregates; dividing the second-stage aggregate, then when a nth line is calculated, firstly comparing the second-stage aggregates of the nth line with the second-stage aggregates of a calculated previous n-1th line; drawing forth the concept of the general second-stage aggregates and the special second-stage aggregates; and obtaining the unit price of each second-stage aggregate of each line, and then obtaining the investment of each line just by counting the second-stage aggregate. The general budget method has the beneficial effects that the investment of plenty of changed broadcasting and television lines can be accurately worked out; and the workload generated when workers calculate the investment of plenty of changed broadcasting and television lines can be reduced.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES

Comprehensive building of urban water plant

The invention relates to a comprehensive building of an urban water plant, which can save land occupation, reduce investment and operation expenses and facilitate management. An elevator and stairs are arranged at the two end parts of a comprehensive building body respectively, going to the underground garage through the middle floors from the top layer; a gate is arranged on the outer wall of a staircase hall; a family member courtyard terrace is arranged outside the gate; an overhead bridge of the water plant area road isolated from the family member courtyard terrace is arranged above the family member courtyard terrace; an isolation wall is arranged between the family member courtyard terrace and the water plant area terrace; facility stairs are led to the water plant area terrace from the facility layer; each soil stack of the high-rise residential building and the facility layer can discharge water to an outdoor drainage inspection well from the gathering soil stacks in pipe shafts at the two ends of the comprehensive building body respectively; isolation layer channels are arranged at the central part and isolated from each other; and water and gas supply pipelines, central heating pipelines and power supply, telephone and television lines are allocated to each user by the pipe shafts at the two ends of the building body. The comprehensive building provided by the invention has a unique structure and comprehensive functions, and is a great innovation of the water plant building.
Owner:刘宪武

A TV socket

The invention discloses a television ferrule. The key points of the technical scheme are as follows: the television ferrule includes a ferrule shell and a ferrule center needle; there is an external threaded part in threaded connection with a locking nut on the lower part of the ferrule shell; the lower end of the external threaded portion is connected with a plugging part matching the locking nut; the plugging part is provided with a cable through hole matching a cable television line; an installation through hole communicated with the cable through hole is arranged in the center of the upperpart of the ferrule shell, and the ferrule center needle is arranged in the installation through hole by penetrating; the ferrule center needle is sleeved with an elastic ring matching the inner wallof the ferrule shell, a fixed seat and a protective sleeve in turn from top to bottom; the ferrule center needle includes a plug bush part and a wiring part which are integrally formed; the plug bushpart and the wiring part are respectively provided with a plug bush opening and a wiring opening; and the end of the wiring opening forms a closing-in structure by stamping. The television ferrule ofthe invention has the effects of simple structure, reliable wiring and good television signal.
Owner:温州佰正仪表科技有限公司

Subwoofer with volume being controlled by television sound envelope line

Provided is a subwoofer with volume being controlled by a television sound envelope line. The subwoofer comprises a low pass filter, an audio sensor, a frequency spectrum modification circuit and a voltage-controlled gain amplifier. The lower pass filter has an input end in connection with an output end of a television line and filters required lower-frequency audio signals. The audio sensor is disposed adjacent to a loudspeaker of a television. Audio signals of the television that are detected by the audio sensor go through the frequency spectrum modification circuit, and feedback of low sound and other unwanted components are filtered, thereby forming a level envelop line representing the real-time volume of the television. Then the volume of the low-frequency audio signals outputted by the low pass filter is controlled by the level via the voltage-controlled gain amplifier. The low-frequency audio signals drive the loudspeaker after being amplified by an original low sound amplifier of the television. The subwoofer of the invention has the advantages that the subwoofer has a simple structure, is easy to implement, can be matched with all televisions, compensates the low sound components with low cost and significantly improves the sound quality.
Owner:DONGGUAN AIYUE AUDIO CO LTD

Circuit for improving high-pressure line scanning output power of TV set

InactiveCN100566376CImprove withstand voltage parametersIncrease lossTelevision system scanning detailsCapacitanceHigh voltage transistors
The invention discloses a circuit for increasing the output power of high-voltage horizontal scanning of a cathode ray tube television set. The circuit comprises a horizontal scanning drive signal amplifier, a horizontal driving transformer, a horizontal scanning power amplifier and a horizontal flyback transformer. The horizontal scanning driving signal amplifier is connected in parallel with a RC damping circuit, its collector is connected to the primary coil of the horizontal drive transformer, the two secondary coils of the horizontal drive transformer are respectively connected to the two bases of the horizontal scanning power amplifier, and the horizontal scanning power amplifier is respectively connected to the damping diode and the horizontal reverse stroke The resonant capacitor is connected in parallel, and the horizontal scanning deflection coil and the S correction capacitor are connected in parallel with the horizontal scanning power amplifier after being connected in series, and a collector of the horizontal scanning power amplifier is connected with the primary coil of the horizontal flyback transformer, and the horizontal flyback transformer is composed of initial, The secondary coil is composed of a CR circuit, and the horizontal scanning power amplifier is composed of two high-voltage transistors or field effect transistors connected in series, so that the output power of horizontal scanning can be increased by increasing the working voltage of the horizontal scanning input power.
Owner:KONKA GROUP

Method for upgrading software of remote conference television terminal

The present invention discloses a method for upgrading software in the teleconference video terminal. It includes the steps of sending the upgrading startup information to the long-range video terminal which needed software upgrading from the local video terminal which had the upgrading software for the sake of starting the upgrading process, and vice versa; building upgrading data channel between the local terminal and the long-range terminal; communicating with the long-range terminal through said data channel from the local terminal for the sake of transmitting the upgrading software code to said long-range terminal. This invention makes use of the existing teleconference video lines of the video conference system, so it is convenience to realize long-range upgrading and reduces the maintenance cost of the terminal devices
Owner:ZTE CORP

A TV without power cord based on type-c interface

ActiveCN105491421BRealize positive and negative pluggingEasy to useSelective content distributionComputer moduleEngineering
The invention discloses a no-power-line television based on a Type-C interface, comprising a sound box, a signal board and a display module. The signal board is arranged in the sound box; the signal board comprises a power supply module, a switch module, a first Type-C interface and an audio frequency processing module; the display assembly comprises a second Type-C interface, a display driving module, a control module and a display screen. The invention can realize signal transmission and power supply through arranging the signal board in the sound box, outputting 5V,12V and 20V voltage to various module for supplying power, integrating all interfaces on the sound box, and thus the signal and television display can be finished through the Type-C interface. In the meantime, the television line can realize the plugging in both directions and provides convenience to usage.
Owner:KONKA GROUP

Multipurpose pliers used for television line assembly

The invention provides multipurpose pliers used for television line assembly. One pliers head of the pliers body is provided with a television line skin stripping groove and a television line inner sleeve stripping groove. The other pliers head is provided with a cutter which is used with the pliers head and can be debugged. A television line copper core diagonal cutter is arranged on the upper end of a pliers head. A fixed column which is used for being inserted into a television line connector is arranged on one side. A television line tightening clamp which is used in cooperation is arranged in the middle. When the multipurpose pliers is used, a television line is placed into the skin stripping groove; after the pliers body is shut, the pliers body is rotated to strip the skin; the television line is placed into the inner sleeve stripping groove; the pliers body is rotated to strip an inner sleeve; the inner copper core diameter is cut into a tilted head by the diagonal cutter on the upper end; the connector needing to be connected is spun on the fixed column; the television line and the copper core tilted head are directly inserted, and a sleeve hoop is spun off; the television line is placed into the tightening clamp, and the pliers body is shut to fix the connector. The multipurpose pliers provided by the invention have the complete function of television line assembly, and have the advantages of scientific structure and convenient use.
Owner:章红兵

Novel wheelchair

A novel wheelchair comprises a wheelchair body, a solar panel is mounted on a supporting rod which is mounted on the wheelchair body, and a right armrest and a left armrest are mounted on the right side and the left side of the wheelchair body respectively. A television screen is fixed onto a support which is mounted on the left armrest, a switch, a direction control lever and a television regulator are mounted on the right armrest, an accumulator is mounted at the bottom of the wheelchair body, the television screen is electrically connected with the television regulator through a television line, and the solar panel is electrically connected with the switch, the direction control lever, the television regulator and the accumulator through wires. The novel wheelchair has the advantages that by adoption of the solar panel, power and electric energy are provided, and the accumulator can be charged; owing to the television screen, the handicapped can sit on the wheelchair to watch television, and consequently the handicapped is provided with entertainment, and sufferings of sitting on the wheelchair for a long time can be relieved for the handicapped; the solar panel can also protect the handicapped from the rain, and humanization is realized.
Owner:潘雯艳

Device and method for quick installation of cables in drill pipe based on horizontal directional drilling survey

The invention discloses a fast installation device and method for cables in a drill pipe based on horizontal directional drilling survey, comprising a drilling rig, a drilling rig power head and a drilling pipe. A wire disc is fixed on the outer surface, and the front end of the drill pipe is connected with the TV instrument in the hole; a short joint is connected between the drilling rig power head and the drill pipe, and the front end of the short joint connected with the drill pipe is provided with a slot, and the TV wire in the hole is provided with a slot. The inlet section of the cable is drawn out from the slot of the short joint, wound into the wire reel and connected to the electric slip ring, and then connected to the TV data acquisition equipment in the hole through the electric slip ring; the outlet section of the TV cable in the hole After passing through the drill pipe, it is connected with the television equipment in the hole. The device and method for quick installation of cables in drill pipes based on horizontal directional drilling surveys of the present invention solve the problems of wiring and threading of in-hole TVs in the horizontal directional drilling survey holes, and protect the TV cables from being worn by the well wall, Also saves threading time.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD

Rapid installation device and method for cables in drilling rod based on horizontal directional drilling investigation

The invention discloses a rapid installation device and method for cables in a drilling rod based on horizontal directional drilling investigation. The device comprises a drilling machine, a drillingmachine power head and the drilling rod; an electric slip ring is arranged between the drilling machine and the drilling machine power head; a wire coil is fixed to the outer surface of the drilling machine power head; the front end of the drilling rod is connected with an in-hole television instrument; a short joint is connected between the drilling machine power head and the drilling rod; an open groove is formed in the front end, connected with the drilling rod, of the short joint; an inlet section of an in-hole television cable is led out from the open groove of the short joint, is connected with the electric slip ring after being wound into the wire coil and then is connected with in-hole television data acquisition equipment through the electric slip ring; and the outlet section of the in-hole television cable penetrates through the interior of the drilling rod and then is connected with the in-hole television instrument. According to the rapid installation device and method forthe cables in the drilling rod based on horizontal directional drilling investigation, the problems of wiring and threading of an in-hole television in a horizontal directional drilling investigationhole are solved, the television cable is protected against the abrasion of a well wall, and threading time is saved.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD
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