42results about How to "Check integrity" patented technology

The invention discloses a file data checking method and device. According to file name information of files to be read, and initial checking code values are determined; according to the initial checking code values and data contents of data blocks in the files to be read, a checking code generating algorithm is utilized to calculate check codes of the data blocks; the calculated check codes are compared with checking codes embedded into the data blocks, if the codes are consistent, it is determined that the files to be read are consistent with the data blocks.

The invention discloses a CDT channel fault alarm system, which comprises a master station communication machine, a sub-station communication machine and a master station terminal, wherein the master station communication machine and the sub-station communication machine are provided with a master channel and a spare channel therebetween, the master station and the spare channel are both composed of an uplink channel and a downlink channel, the two downlink channels are connected to a fault online detection device and then sequentially connected to an integrated automatic device and the sub-station communication machine, and the integrated automatic device transmits online detection data to the sub-station communication machine and the master station communication machine and finally transmits the online detection data to the master station terminal so as to provide for a dispatcher to record, alarm and process. The CDT channel fault alarm system disclosed by the invention can monitor the operating state of the downlink channels in real time, discovers faults in the downlink channels timely, accurately judges whether the faults are interruptions or error codes, and does not affect remote control and normal data transmission, thereby providing more guarantee for the safety of a power grid and the quality of electric energy.

The invention discloses a passivation illuminating system with damage detection and an implementation method thereof. The system comprises a main control unit, an optical fiber and a passivation lamp, wherein the main control unit is used for emitting invisible lights; the main control unit is connected with the passivation lamp through the optical fiber and comprises a controller, a laser, an optical fiber, an optical detector and an optical coupler; the passivation lamp comprises a shell, an optical fiber, an optical grating and a photoluminescence powder; the optical fiber is arranged in the shell; the controller is used for controlling the laser to transmit and receive information of the optical detector; the optical fiber is used for realizing remote energy transmission; the optical coupler is used for fusing lights with different wavelengths, which are emitted by different lasers, to the same optical fiber and returning lights of one laser reflected by the optical grating to the optical detector; the optical detector is used for receiving lights returned by the optical fiber through the optical coupler; and the photoluminescence powder is used for receiving lights emitted by the optical grating and up-converting and down-converting the lights into visible lights.

A safety closure for containers comprising a cover (3) and an internal element (4), the internal element being formed of a constraining portion (5) and a covering portion (6), the covering portion and the constraining portion being at least partially interconnected by means of at least a first preferential breakage zone (7B) which, when intact, joins them to each other, the constraining portion being provided with blocking means at the neck of a container with which the closure is intended to be associated and with first constraining means (10) which removably attach the cover, the internal element having sealing means (12) which, at least when the seal is intact, preserve the container content integrity.

The embodiment of the invention provides a method and device for checking malicious extension of a browser and computer equipment. The method comprises the steps: receiving a key acquisition request sent by a terminal through the browser; generating a first key according to the key acquisition request, and returning the first key to the terminal; receiving a first message authentication code and afirst change record sent by the terminal, wherein the first change record comprises DOM change triggering information corresponding to a first change; executing a change operation corresponding to the DOM change triggering information on a reference DOM tree to obtain a second DOM tree change sequence; calculating the first key and the second DOM tree change sequence by a predetermined algorithmto obtain a second message authentication code; determining whether the calculated second message authentication code is the same as the first message authentication code or not; and if so, determining that the page structure of the browser is not damaged by browser extension. According to the method, the malicious extension behavior of the browser can be reliably detected.

The invention belongs to the technical field of medical instruments, and discloses a convenient-to-carry device and a method for testing a bubble point value of a needle filter by manual pressurizing.The device comprises an injector, an air pressure meter and the needle filter, wherein the injector is connected with the air pressure meter through a pipeline; the air pressure meter is connected with the needle filter through a pipeline; a thread is formed in one side of the pipeline; and a bayonet is arranged on the other side of the pipeline. The core of the invention is a manual pressurizingdevice, and compressed air is manually generated, so that the integrity of the needle filter can be conveniently detected without an external air source; the external compressed air source can be used, so that a user also can finish testing autonomously on site; the manual pressurizing device is arranged to generate the compressed air, so that the integrity and the performance of the needle filter can be detected; and a tool is simple in using step, detachable and convenient to daily use or carry.

The invention relates to an electromagnetic shielding confidential storage cabinet with an intelligent identification function. The electromagnetic shielding confidential storage cabinet with the intelligent identification function comprises a confidential cabinet main body module, a plurality of confidential cabinet sub-body modules; a user operation module used for acquiring identity verification information and an access instruction of a user; a medium detection module used for detecting a medium stored in the confidential cabinet sub-body modules; a control module used for verifying the identity verification information of the user, generating a first control signal according to the access instruction after the verification is passed, and generating a second control signal when the medium detection module detects that the medium is abnormal; and a sub-body transmission module used for transmitting the corresponding confidential cabinet sub-body module under the control of the firstcontrol signal. The electromagnetic shielding confidential storage cabinet with the intelligent identification function provided by the invention has the advantages of detecting the information and integrity of the storage medium, randomly encrypting the storage and detecting the own integrity, and improves the storage security of a confidential medium.

The alarm system (300) includes a base station (318) that monitors remote control unit(s) (302) attached to the person or thing being monitored. A unit (302) includes a receiver (304) for receiving navigation information from global positioning system satellites (336). The signal of the location (338) is transmitted to the station (318) and displayed (324) to the system operator. An environmental or physiological sensor(s) (308) causes an output(s) (310) to switch on a transmitter (314) determining sensor status (344), which is displayed at the base station. An overboard sensor (308) is provided to the man overboard detection system (300). Optionally, the receiver (320) provides an output (334) that is inversely proportional to the distance separating the remote unit (302) and the base station (318), the Said separation distance and a limit (330) to activate the alarm (332) when the person has fallen into the water and drifted away. Navigational information is displayed (324) to aid in locating the man overboard.

The invention discloses an automobile part drying and cleaning device. The automobile part drying and cleaning device comprises a dryer body, a cleaning mechanism and a conveying mechanism penetratingthrough the dryer body and the cleaning mechanism. An inlet is formed in the left side of the dryer body, an outlet is formed in the right side of the dryer body, and air curtain machines are installed at the tops of the inlet and the outlet for heat insulation and dust prevention. An air blower and an exhaust blower are installed at the top of the dryer body, a heater and a scanning mechanism are arranged on the inner wall of the dryer body, and the scanning mechanism is used for counting the number of automobile parts passing through the dryer body and detecting the integrity of the automobile parts. The dryer body is further provided with an intelligent adjusting mechanism, and the intelligent adjusting mechanism is connected to the air blower, the exhaust blower, the cleaning mechanism, the air curtain machines and the heater.

The invention relates to the technical field of construction, in particular to a protecting device for floor template building. The protecting device comprises a floor module; a support plate is arranged on the bottom surface of the floor module; a support frame is arranged on the bottom surface of the support plate; a carrying plate is arranged on the surface of the support frame; a limiting groove is formed in the surface of the carrying plate; a square board is in butt joint in the limiting groove; a placing groove is formed in the surface of the support frame; the top surface of the placing groove is hinged with a connecting cross bar; and a sleeve sleeves a rod body of the connecting cross bar. The invention further discloses the protecting device for floor template building and an application method thereof; and the application method comprises the steps of template supporting, enclosure supporting, support reinforcement and module checking. The protecting device for floor template building has the following beneficial effects: the protecting device for floor template building is simpler and more convenient to assemble compared with a traditional support structure; and a transverse support rod can be hidden in the support frame to save the storage space after disassembly.

There is provided an access control device (1) for controlling the access to a tank (10) defining a storage chamber (11) and an access (12) to said storage chamber (11); the device (1) comprises at least one cap (2) and an external apparatus (3); 5 the cap (2) comprises a closure body (21) defining a closed position and an open position; a housing (22) defining a housing volume (22a) for the closure body (21) and a reciprocal rotation with respect to the closure body (21 ); a connection (23) suitable to connect the closure body (21) to the housing (22), thereby defining an operating configuration in which said reciprocal rotation is prevented and a non-operating configuration in which it allows said reciprocal rotation, thus preventing said housing (22) from controlling the passage of theclosure body (21) between the closed and open positions; and data connection means (24) suitable to provide a wireless data connection with the external apparatus (3) so as to allow it to control thepassage of the connection (23) between the operating configuration and the non-operating configuration.

The invention discloses a cast-in-place pile integrity detection device and method based on a densely distributed fiber grating temperature sensing technology. A metal material with a large thermal expansion coefficient is adopted as a temperature sensitization element, the temperature sensitization element is annularly pasted to the position, without a protective layer, of an optical fiber, and the optical fiber is bound to a main rib of a reinforcement cage in a fixed-point manner; after the reinforcement cage is put down, the optical fiber is connected with a densely distributed temperature demodulator; concrete starts to be poured, and the mass and the use amount of the concrete are recorded; the monitoring time of the temperature of a pile body is determined according to the use amount and the mass of the concrete; after pouring of the concrete of the pile body is completed, the densely distributed temperature demodulator immediately starts to collect temperature data; and the difference of hydration heat of the concrete along the pile body is obtained according to the collected temperature data, whether concrete pouring is uniform or not and the pile diameter range are judged, and the integrity of a cast-in-place pile is further obtained. By means of the cast-in-place pile integrity detection device and method, the temperature measuring precision and the positioning precision are greatly improved, active heating is not needed, and pile foundation defects can be found as soon as possible and repaired in time.

The present invention discloses a method for detecting the integrity of a substrate pattern array, comprising the steps of a grayscale map acquisition step for acquiring a grayscale image of the substrate pattern array; a numerical processing step for performing sampling numerical processing on the grayscale image to obtain a grayscale value signal; a Fourier transform step for converting the grayscale value signal into the frequency-domain signal distribution; and a comparison analysis step for analyzing the frequency-domain signal distribution to obtain the integrity information of the substrate pattern array. The method can quickly and accurately detect the consistency and the integrity of the patterns in the substrate pattern array, discriminates the type of a defect, and provides a detection basis for the defect repair of a sample to be tested.

The membrane water-cooled wall appearance detection device comprises the detection mechanism arranged on one side of the sliding rod, the detection mechanism is used for detecting the flatness of a water-cooled wall tube and marking a defective surface for a user to find, the overall detection is accelerated, and a place with missed detection is avoided, so that subsequent improvement is facilitated, the product quality is guaranteed, and the production efficiency is improved. By arranging the detection mechanism, the membrane water wall can be detected after the pipe bending process is finished, the overall integrity of the membrane water wall after pipe bending is rapidly detected by utilizing the appearance characteristics of the camera and the membrane water wall, the influence caused by the diameter of a water wall pipe is avoided, the device is suitable for membrane water walls of various sizes, and the detection efficiency is improved. The membrane water-cooled wall can be detected more quickly and efficiently, and the subsequent production efficiency can be improved through adjustment performed after detection.