32results about How to "Reduce recording time" patented technology

The invention provides a wifi-based classroom automatic attendance method. The wifi-based classroom automatic attendance method comprises the following steps: presetting a wifi network and pre-storing user information of a first electronic device and a plurality of preset second electronic devices in a server; enabling the server to obtain information of the plurality of the preset second electronic devices connected with the wifi network after receiving a request command sent by the first electronic device; counting the number of the second electronic devices connected with the wifi network to get a first counting number; counting the number of students in a classroom by image recognition to get a second counting number; and enabling the server to record the attendance status of the students according to the first statistical number if the second statistical number is equivalent to the first statistical number. The classroom automatic attendance method provided by the invention is simple to operate, and can reduce the on-class roll call time and the after-class attendance recording time of teachers and improve the authenticity in attendance recording. Simultaneously, the invention provides a classroom automatic attendance system and the server.

An inkjet recording apparatus including: a line head type recording head having nozzles for jetting ink to a recording medium; a moving apparatus for moving the recording head relative to the medium in a nozzle arrangement direction; a conveyance apparatus for conveying the medium reciprocally, relative to the recording head in a direction orthogonal to the nozzle arrangement direction; a head driving section for controlling the recording head so that the recording head jets ink based on inputted image information; and a control section for controlling the conveyance apparatus so that the amount of the frontward movement of the medium in an outward route is larger than the amount of the backward movement in a homeward route and for controlling the moving apparatus, when the conveyance direction is switched, so that the recording head is moved relative to the medium in the nozzle arrangement direction.

The invention provides a multi-earthquake-source multi-towline trigger timing control system and method. The system comprises tow lines, earthquake sources and a control module. The control module comprises a central process, a double-channel earthquake collecting module, a high-precision clock module and a time service module. The earthquake sources are sequentially controlled to activate, the tow lines receive stratum data, seismic survey tasks can be finished efficiently at high quality, and multiple set of seismic section data in different detection depths and with different resolution ratios are obtained simultaneously in one seismic exploration.

The invention relates to a digital video recording monitoring system. A dynamic signal separator which can judge whether a target scene is abnormal or not and form a start-stop dynamic signal and a dynamic data signal processor which can automatically notify a file storage device for starting and stopping the stored dynamic data according to the start-stop dynamic signal are increasedly arranged in the prior digital video recording monitoring system, thereby allowing the digital video recording monitoring system to automatically judge whether video information is stored or not according to the situation of whether the target scene is abnormal or not, the video recording can be carried out only when people or other moving objects appear in the target scene, and the video recording is not carried out in normal situation, thereby greatly reducing the video recording time and solving the technical problem that the prior digital video recording monitoring system needs the whole-course video recording and further causes the consumption of a lot of storage hardware resources.

The invention discloses an intelligent management system for a distribution network hot-line work center tool warehouse. The system comprises a single-chip microcomputer, a microcomputer controller, an indoor temperature sensor, an outdoor temperature sensor, a smoke alarming device, an over-temperature power-off controller, a fire alarm/bandit alarm alarming system, a message publishing device, a heating machine, a dehumidifier, an exhaust fan, a video monitor, a remote maintenance system, a PTZ camera and an integrated management system for hot-line working tools. The warehouse mainly achieves the following major functions of warehouse environment standardization, heating, dehumidification, imaging, alarming, automatic message publishing, dynamic touch and user-friendly rolling display, reliable performance and stable operation of an intelligent control system, orderly and systematic storage of tools, remote management and service of database information, labor cost reduction and benefiting, quality-center personnel and safe hot-line work.

Print is made on a recording paper by running an ink carriage along the supporting axis in a reciprocating motion. The ink carriage includes ink heads respectively provided with a front ink nozzle and a back ink nozzle facing their respective directions, so that print is made simultaneously at two portions on the recording paper along the transportation direction in which the recording paper is transported through a single transportation path one by one. Consequently, there can be provided an ink jet printer which can improve printing efficiency by increasing a printing rate and printing resolution, and realizing printing of an overstrike character, simultaneous printing of mixed information, double-side printing, etc.

An optical disk recording apparatus operates on an optical disk having circular tracks which are provisionally written with an index signal used for securing a constant linear velocity of the optical disk from an innermost circular track to an outermost circular track, and records data along the circular tracks at different linear densities on different annular zones of the optical disk. In the apparatus, a disk drive section rotates the optical disk while synchronizing the index signal successively read from the rotated optical disk with a predetermined reference clock signal to thereby maintain the constant linear velocity of the circular tracks. A clock generating section multiplies or divides the reference clock signal by different rates to generate different writing clock signals in correspondence to the different annular zones of the optical disk. A data recording section operates in synchronization to the different writing clock signals for recording data along the circular tracks at the different linear densities on the different annular zones.

An optical disc recording/playback apparatus is provided with a first AD converter 35 for shaping a push-pull signal 14 detected from an optical disc medium 1 by a light difference signal shaping circuit 21, and converting the signal into a digital sampling signal 38 using a sampling clock 37 synchronized with a channel frequency; a series of means for detecting wobble amplitude information 77 during recording from the digital sampling signal 38; a series of means for detecting address polarity information 60 and address position information during playback; and a recording laser power control circuit 113 for controlling a recording laser power to a power suited for recording on the basis of the wobble amplitude information.

This invention relates to an optical device and system for producing a holographic optical element or digital hologram. Various techniques of producing digital holograms have been proposed. However, they tend to suffer from long exposure times, as well as problems associated with control of two or more independent beams of coherent light used to produce a hologram. Problems become even more acute as pixel size decreases. The present invention provides an optical device including: a beam deflector, adapted to deflect a collimated beam of coherent light to produce an incident beam; a beam splitter for producing first and second beams, said beams being displaced so that the angle of deflection of the first beam is the same but opposite to the angle of deflection of the second beam; and a combiner combines the first and second beams so as to produce an interference pattern at an output plane.

An information recording medium (100) is provided with: a record information area (106) to record therein record information; an edge portion area (104, 108, 109) which is located in at least one edge portion of the record information area; and a flag area (121) to record therein a first pre-record flag for indicating whether or not predetermined pre-information is pre-recorded in at least one portion of the edge portion area.

A method of improving a problem of a deviation of an optimum recording optical power, which is capable of reducing deviation of OPC (Optical Power Calibration) power and shortening a Lead-in time by previously setting an area in which an OPC operation may be conducted and erasing the area with an erase power.

A Method for repeatedly recording a program in a flash memory is utilized to record a revised application program into a planned flash memory after the program is edited. The flash memory comprises a fixed program zone used to store never-revised fixed programs, an application program zone used to store revisable application programs and a callback function entrance point zone used to store an entrance point matrix. The starting address values of all callback functions in the application zone called by the fixed programs are stored in the entrance point zone. Therefore, only the program codes of the callback entrance point zone and the application program zone parts need to be recorded when the flash memory is recorded. Consequently, recording efficiency can be upgraded and program maintenance time can be reduced.

A disc-shaped information recording medium has a first and a second recording layer. A buffer area is arranged adjacent to a recording area of each of the layers for preventing deviation of the recording position onto/from each of the layers. A first part of the information is written along a first track path on the first recording layer, a predetermined amount of first buffer data in a part of the buffer area of the first recording layer is written into the first recording layer, and inter-layer jump is performed from the first recording layer to the second recording layer. A predetermined amount of second buffer data in the buffer area of the second recording layer is written in the second recording layer and write element is controlled to write a second part of the information to be recorded, on the second recording layer by changing the recording direction.

An ink jet recording method includes first attaching an ink composition to fabric so as to have an attached amount of 10 mg/inch² to 30 mg/inch², and second attaching the ink composition to the fabric so as to have an attached amount of 90 mg/inch² to 250 mg/inch², in which the ink composition includes a pigment and a resin dispersion, and a content of a resin included in the resin dispersion is 0.5 parts by mass to 2.5 parts by mass with respect to 1 part by mass of the pigment.

The invention discloses a method and a device for reading a record in a smart card. The method comprises the following steps: obtaining an application file locator from the smart card by a terminal; obtaining current file data from an initial position of the application file locator; obtaining a current record number from the current file data; according to the current record number and a file identifier obtained according to the current file data, generating a record reading instruction, sending the record reading instruction to the smart card, receiving returned response data, and storing a current record in the response data; according to the current record number and a final record number in the current file data, judging whether the current record is a last record or not, and if the current record is not the last record, updating the current record number; if the current record is the last record, judging whether the data, which is positioned behind the current file data, of a first preset length is in the presence in the application file locator or not; and if the data of the first preset length is in the presence in the application file locator, taking the data, which is positioned behind the current file data, of the first preset length is taken as current updated file data, and otherwise, finishing a flow.

The invention provides a dynamic rerouting automatic test method and system based on an ASON (Automatically Switched Optical Network), and relates to the field of automatic test. The method comprisesthe following steps: step S1, deploying an optical switch between any two adjacent network elements in a network topology, setting a control machine to control the optical switch, and an error code analyzer of a web master and monitoring services, and initializing all configurations; step S2, automatically generating and testing a breakpoint in the next step and an expected route test corresponding to the breakpoint by the control machine through the current route read by the web master, and controlling the breakpoint to generate routing switching by the control machine through the optical switch; step S3, after each route switching is successful, selecting at least one optimal expected route in the expected route set by the control machine, and comparing with a route after switching; andstep S4, repeating steps S2 and S3 until the test is completed. According to the dynamic rerouting automatic test method based on the ASON provided by the invention, the test step is dynamically generated according to the current test condition, and the automatic test of the dynamic route is realized, thus various disadvantages caused by manual test are avoided, and the accuracy of a test result is improved.

According to a method, put forward by the invention, for actively and additionally recording data by sub stations to a master station based on the compression algorithm, a master station and not less than one sub station are provided. The method comprises the following steps: each sub station is provided with a real-time transmission thread, a storage thread, a compression thread and an additional recording thread, the sub stations send acquired real-time data to the master station through the real-time transmission threads, states of communication links between the sub stations and the master station are determined, when the communication links are broken, the storage threads store the real-time data which need to be sent to the master station by the real-time transmission threads and which are companied with acquisition time scale, the compression threads compress and store the real-time data stored by the storage threads and set serial numbers for compressed data, the additional recording threads judge the states of the communication links between the sub stations and the master station in real time, when the communication links are normal, the additional recording threads determine whether the compressed data exist, and, if the compressed data exist, the additional recording threads actively upload the compressed data to the master station according to the serial numbers. The method is in favor of improving additional recording efficiency; and the larger the number of the sub stations is, the more obvious the efficiency is.

After a transfer error detection circuit detects a transfer error that transfer data from a memory controller to a recording modulation circuit is delayed for a recording clock process, the number of transfer errors is counted in units of sync frame in a transfer error count circuit. When the number of transfer errors is n times (n: positive integer) or less, the modulation and recording operation are continued as it is and the NRZI output operation is performed from the correct position while applying a sync, and when the number of transfer errors is n times or larger, the recording operation is interrupted and the re-recording is performed from the interrupted location thereafter.

Disclosed is an information recording medium (100) comprising a first recording layer (L0 layer) which is provided with a first recording track for recording record information, and a second recording layer (L1 layer) which is provided with a second recording track for recording record information. Each recording zone (zone #n) including one recording area in the first recording layer and another recording area in the second recording layer which is opposite to the recording area in the first recording layer has a management information recording area (RMA) for recording management information (RMD) for recording the record information.

The present invention provides an image processing method which includes any one of recording an image on a thermally reversible recording medium that can reversibly change any one of its transparency and color tone depending on temperature by irradiating and heating the thermally reversible recording medium with a laser beam, and erasing the image recorded on the thermally reversible recording medium by heating the thermally reversible recording medium, wherein in any one of the image recording and the image erasing, the thermally reversible recording medium is located at a position farther than a focal position of the laser beam, and at least any one of the image recording and the image erasing is performed.

The same contents having different recording rates are recorded on a multi-layer disk. A plurality of contents or the same contents having different recording rates are independently recorded respectively in different layers of an optical disk having a plurality of recording layers. In order to record a plurality of contents or the same contents having different recording rates in parallel at that time, recording on the multi-layer optical disk is conducted by repeating an operation of dividing each content into recording units, recording a recording unit of one kind of information in a recording layer, and recording a recording unit of the other kind of information in a different recording layer.

An optical information recording medium includes a recording layer provided on a cured resin on which a recording mark is formed by the temperature rise around a focal point caused by absorbing a predetermined recording beam converged for recording of information according to the wavelength of the recording beam and from which the information is reproduced, when a predetermined reading beam is emitted for reproducing of the information, based on the optically-modulated reading beam, wherein the recording layer includes an activated recording area that has been activated as a result of being exposed to an activating beam whose light intensity is at a predetermined light intensity level.

The present invention provides a wireless sensing-based security auxiliary monitoring method, system and storage medium, the method comprising collecting real-time CSI data in a detection area through the wireless sensing module; and storing the real-time CSI data in a fingerprint database in advance According to the matching result, it is judged whether there is a moving object in the detection area; if there is a moving object in the detection area, the corresponding response operation is performed, wherein the response operation at least includes: The camera sends a scheduling command to control the surveillance camera to take pictures of the detection area where there are moving objects. Compared with the prior art, the present invention reduces the working time of monitoring, reduces the recording time of video, and guarantees user privacy while realizing the safety guarantee function of monitoring.

To record video data or audio data on an optical disc on which a defective area exists, there is a method of determining an allowable number of defects in proportion to a recording size and skipping the defective area to use an adjacent area thereto. This method has a problem that a buffer underflow occurs if the defective area becomes larger. The size of the defective area allowed in a recording area is limited regardless of the size of the recording area, and recording on the optical disc is performed so that a normal area preceding a first defect in the recording area including a file end portion has a predetermined size.

The invention relates to the technical field of operation and maintenance ship video collection, in particular to a fan abutting video recording method and system based on an operation and maintenance ship. The method comprises the steps of obtaining position information of an operation and maintenance ship and calculating the distance between the position information of the operation and maintenance ship and a target fan; when the distance is smaller than the first preset threshold value, whether the engine rotating speed of the operation and maintenance ship is larger than a second preset threshold value or not and whether the navigational speed of the operation and maintenance ship is smaller than a third preset threshold value or not are judged; if so, starting a camera device arranged on the operation and maintenance ship to carry out abutting video recording, and determining whether the navigational speed of the operation and maintenance ship is larger than a third preset threshold value or not; if yes, determining whether the distance between the position information of the operation and maintenance ship and the target fan is larger than a first preset threshold value or not; if yes, stopping operation of the camera device to obtain the abutting video file. Through comprehensive analysis of the dynamic parameters of the operation and maintenance ship and the position information of the target fan, the jacking moment of the operation and maintenance ship can be automatically identified, the recording duration of the fan jacking video is greatly shortened, and the system utilization rate is improved.

The invention discloses an intelligent insurance product verbal skill synthesis method, device and system, a storage medium and computer equipment. The method comprises the steps that a recording request sent by a client side is received, and the recording request carries identification information of a recording task; according to the identification information of the recording task, a first product corresponding to the recording task and n second products corresponding to the recording task are inquired, and n is larger than or equal to zero; obtaining the product verbal skill of the first product and the product verbal skill of n second products; the product verbal skill of the first product is reserved, links, repeated with the product verbal skill of the first product, in the product verbal skill of the n second products are combined into the product verbal skill of the first product, uncombined links are added into the combined verbal skill, and the combined verbal skill of the recording task is obtained. According to the method, all links in the combined product verbal skill are ensured not to be mutually repeated, redundant contents in the combined verbal skill are reduced, the recording time is shortened, and the recording efficiency is improved.