42results about "Sensing by electromagnetic radiation" patented technology

Provided is a method of localizing rack-mounted computing devices, the method comprising: receiving, with a direct current (DC) power bus or via an Ethernet control network or data network, a request from a control unit for a rack computing device location; generating, with a sensor, output signals conveying information related to a location of the rack-mounted computing device; and sending, with the direct current (DC) power bus or via an Ethernet control network or data network, location information of the rack-mounted computing device.

A security document, such as a banknote or a cheque, is provided with a perforation pattern (5) having holes (5a, 5b) with elongate cross section. When viewing the perforation pattern (5) from a direction that is non-perpendicular to the surface of the document, different holes will have different optical transmission, which can be verified by eye or electronically. Perforation patterns (5) of this type are hard to forge and easy to verify.

A test chart for printing black bars and white bars of a barcode, each of which has one of multiple different numbers of dots-in-width, is printed on a printing device on which barcodes are printed. In image data on the test chart, the space between neighboring black bars on the test chart is used as a white bar. The widths of black bars and white bars of a barcode are measured based on the image of the printed test chart. Based on this measurement result, the numbers of dots-in-width of black bars and white bars to be set at a printing time are calculated as barcode correction values so that the black bar widths and white bar widths of a printed barcode meet predetermined sizes. This configuration generates barcode configuration information, or barcodes, that satisfy individual user's use condition, quickly and with the minimal use of paper and ink.

Detection systems that detect and decode machine-readable information and other indicia having varying spectral emissivity values are provided. The detection systems include a sensor, circuitry, and temperature influencing mechanism. The system may be connected to other hardware, such as a computer display screen, or audio emitting device. Meanwhile, the sensor detects differential emissivity values by measuring energy emitted from the targets of interest.

A system configured to track, trace and monitor product. In some aspects, the system is configured to track product and capture product related information and includes a network interface configured to receive product related information over a network from a plurality of tracking devices located at a plurality of facilities. The system also includes a database configured to store the product related information from the plurality of tracking devices located at the plurality of facilities. The system also includes a processor configured to be responsive to and control at least the database and the network interface. The system also includes the processor and the database being further configured to implement blockchain technology with respect to the product related information to generate a blockchain ledger of the product related information.

A target is illuminated with light for image capture by a solid-state imager of an imaging reader over a tall field of view having an aspect ratio whose vertical dimension is larger than its horizontal dimension during image capture. The reader is pivotably mounted in a stand and has a narrow depth to enable a user to easily grasp the reader.

The invention discloses a map, a positioning device, a positioning system and a positioning method thereof. The positioning method is suitable for a positioning system that includes a map and a positioning device. The positioning method comprises the following steps that: an image capture unit captures a map image according to the map; a satellite positioning unit provides position information according to the position of the positioning device; a control unit is utilized to receive and decode a two-dimensional bar code so as to obtain map information; when the control unit determines the position information is in the map image, a projection signal is generated and then is transmitted to an projection unit; and thus, the projection unit generates a projection spot based on the projection signal and is marked on the map.

The invention provides a detection system, which comprises two card reading devices in vertical opposite arrangement. Each card reading device comprises a first transparent plate, a second transparentplate, a clamping device, an antenna, a support base, a card reading circuit and a protection cover. A first surface of the first transparent plate and a first surface of the second transparent plateare provided with a first groove and a second groove in the thickness direction respectively, wherein the first groove and the second groove are communicated; the edge of the first transparent plateis provided with a first buckle portion, and the edge of the second transparent plate is provided with a second buckle portion; during installation, the first surface of the first transparent plate and the first surface of the second transparent plate are fixedly glued together; after gluing, the first buckle portion and the second buckle portion are corresponding in position and form a buckle portion; the clamping device is cooperated with the buckle portion to fix the first transparent plate and the second transparent plate together; and the antenna is arranged in a first accommodation groove, passes through a second accommodation groove and extends out of the first transparent plate and is electrically connected with the card reading circuit.

The invention discloses a bar code scanning gun. The bar code scanning gun comprises a gun body and a wireless transmitting device; the wireless transmitting device is connected with the gun body for use; a handle is arranged at the lower end of the gun body; a data interface is arranged at one end of the handle; a scanning camera is arranged at the front end of the gun body; the scanning camera is connected with a circuit board arranged in the gun body; the circuit board is connected with the data interface; the jack end of the data interface is connected with the wireless transmitting device. In this way, the bar code scanning gun is capable of realizing wireless data scanning and transmission, and therefore, the working space can be saved and long-distance data scanning and transmission can be realized.

The invention provides an automatic recognizing method and system for UAV aerial survey control points. The method comprises the following steps: manufacturing a portable and recyclable two-dimensional code control point device; recording a mapping relation of ground control point coordinate information and the two-dimensional code control point device into a record sheet; recognizing an image ofthe two-dimensional code control point device in each aerial survey picture through an image processing platform; then recognizing two-dimensional code recognizing code graphic in the image of each two-dimensional code control point device to obtain the device number; searching the record sheet through the image processing platform in order to obtain the ground control point coordinate informationcorresponding to the recognized device number, thus finishing the automatic recognizing process of the UAV aerial survey control points. The method and the system have the advantages that the structure is simple; the field operability is high; the operation is convenient; the two-dimensional code control point device is recyclable; the ground control point coordinates can be easily and automatically recognized in the aerial survey picture processing progress. Therefore, the aerial survey process is simplified, and as a result, the aerial survey picture processing efficiency is improved; the adaptability is high.

Provided is an optical information reading device that displays, as an image, information that can be conveniently checked in setting work and in maintenance work. A decoding unit decodes image data acquired by an imaging element, and an arithmetic operation unit arithmetically operates a matching level indicating easiness of the decoding of a code, stability of the decoding, a margin of the decoding or pixel-per-cell in the decoding unit. Furthermore, a UI management unit and an image display device display, as an image, at least one of the matching level, the image data acquired by the imaging element, and an average success rate (reading success rate) of the decoding obtained by decoding a plurality of pieces of image data obtained by capturing an image of the code a plurality of times.

The invention relates to the technical field of terminals, and provides a two-dimensional code display method based on a user behavior model, a user behavior model training method, electronic equipment and a storage medium. The two-dimensional code display method based on the user behavior model comprises the following steps: acquiring position information of a user and time information corresponding to the position information; inputting the position information and the time information into a pre-trained user behavior model, and determining a to-be-displayed target two-dimensional code; and controlling the target two-dimensional code to be displayed on the electronic equipment. According to the embodiment of the invention, the convenience of user operation can be improved, and the efficiency of two-dimensional code display is improved.

The invention relates to an automatic scanner and belongs to the technical field of identity identification devices. The automatic scanner comprises a scanner body, a feeding device, a scanning lens, a driving motor, a collecting device, a switch control device, a control display screen and a position control electric eye, wherein the feeding device, the scanning lens, the driving motor, the collecting device, the switch control device, the control display screen and the position control electric eye are all arranged on the scanner body; the switch control device comprises an emergency stop switch and a staring switch; the driving motor controls the operation of the feeding device and the collecting device. The automatic scanner has the advantages of automatically reading two-dimensional bar codes, being low in cost and high in efficiency and the like.

An embodiment of the invention provides a robot repositioning method, device and equipment. The method comprises the following steps: a visual map is pre-constructed to record the position of each feature point in a working space where the robot is located; when the robot needs to be repositioned, a nearby target environment image is collected, a first feature point set in the image is extracted,then the first feature point set is matched with a visual map to obtain a matched second feature point set and the position of the second feature point set, and the current position of the robot is calculated on the basis of the second feature point set and the position of the second feature point set. Therefore, the purpose of simple and accurate repositioning can be achieved.

The embodiment of the description discloses a carrier article, and a business information obtaining method, device and equipment. The scheme is as follows: a carrier article displays a two-dimensionalcode and carries an NFC label; the NFC label also contains business information contained in the two-dimensional code, when scanning of the two-dimensional code of the carrier article begins, an NFCreading function is enabled to attempt to read the NFC label, when the business information is successfully obtained by any method, scanning of the two-dimensional code of this time can be ended, theNFC reading function is disenabled, and corresponding business is executed according to the obtained business information.

The invention discloses a book position adjusting robot. The book position adjusting robot comprises a trolley, a mechanical arm, a clamping jaw, a book recognizer, a book turning mechanism and a book supporting device, wherein a control cabinet and a storage battery are arranged on the trolley; the book turning mechanism is arranged on the trolley; a mounting block is arranged on the mechanical arm; a rotating mechanism is arranged on the mounting block; the clamping jaw is mounted on the rotating mechanism through an extension plate; the book recognizer is arranged on the clamping jaw; the book turning mechanism corresponds to the clamping jaw and is capable of clamping and rotating books; the book supporting device comprises a pushing rod, a book supporting frame and an adapting plate; the pushing rod is mounted on the mounting block through the adapting plate and is arranged on one side of the mounting block; a horizontal distance between the pushing rod and the mounting block is equal to a distance between a center line of the clamping jaw and the rotating shaft of the rotating mechanism; the book supporting frame is mounted on the extension rod of the pushing rod. The book position adjusting robot is capable of automatically taking problematic books out and placing the books in right positions, effectively improving service quality of libraries, helping readers to conveniently find the books and simultaneously reducing the workload of librarians.

The invention discloses an imaging frame rate detection system and detection method for a near-infrared camera. The system comprises an illuminating light source, a barcode rotating barrel, a near-infrared camera signal acquisition card, an image workstation, a driving control card and a servo motor. A to-be-detected near-infrared camera is put in an observation area of the barcode rotating barrel, light adjusted through the driving control card is irradiated on the barcode rotating barrel, the servo motor drives the barcode rotating barrel to rotate at a fixed speed, the near-infrared camerasignal acquisition card is capable of acquiring and outputting bright field irradiation barcode information, acquired by the to-be-detected near-infrared camera, on the rotating barrel to the image workstation, and the image workstation acquires barcode information through a code reading program and correctly compares with a standard library. In the process, the rotating speed of the servo motor of the barcode rotating barrel is continuously increased until the to-be-detected near-infrared camera fails to acquire correct barcode information, so that imaging frame rate extreme of the camera isachieved. Imaging frame frequency data can be obtained by calculation according to parameters such as the rotating speed of the servo motor and the size of the barcode rotating barrel, and accordinglyimaging frame rate detection of the to-be-detected near-infrared camera is realized.

The invention relates to a portable Chinese-sensible code reading machine and a reading method thereof. The reading machine comprises a housing, a display screen, a CMOS camera, a loudspeaker, a switch and a reading circuit. The reading circuit comprises an ARM embedded processor, an NAND memory unit, a FLASH memory, a WIFI module, a 3G module and a USB interface. The ARM embedded processor is respectively connected with the NAND memory unit, the FLASH memory, the WIFI module, the 3G module and the USB interface I/O. The reading method comprises a character database. The database can prevent a system operation speed from being reduced due to a complex coding conversion process, and ensures coding accuracy at the same time. The reading machine and the reading method provided by the invention have the advantages of accurate and rapid Chinese-sensible code reading, high anti-interference capability, high scalability, simplicity, easy use and good portability, thereby being suitable for Chinese-sensible code reading application on multiple occasions.

The present invention provides an information processing method and an apparatus. The information processing method includes the steps of scanning an identification code; according to the scanning result, acquiring the information of an entity corresponding to the identification code; and storing the information of the entity. The method can reduce the traffic overhead.

The invention provides a refrigerator laser coding system and a control method thereof. The control method comprises the step of controlling a position detection device to detect position related parameters of a coding position on a refrigerator. And judging whether the code printing position is in a preset area range or not according to the position related parameters. And if the code printing position is not in the preset area range, outputting a reminding signal. Before the refrigerator is coded, the position detection device detects whether the coding position is in the preset area range or not, so that the condition that the refrigerator is coded under the condition that the coding position has deviation is avoided, and the inconsistency when the refrigerator is displayed is avoided.

The present invention discloses an information receiver and an information controller, wherein the information receiver includes a power supply circuit, a characteristics information receiver of which includes a singlechip, a data receiving part, and an infrared ray transmission part, a data signal output end of the data receiving part is connected to the singlechip, a data signal input end of the infrared ray transmission part is connected to the singlechip, and the data receiving part employs a radio receiving set or an infrared ray receiving set. The information controller includes the information receiver, a signal output circuit, a liquid crystal display, a keyboard, and a data memory, wherein the signal output circuit, the liquid crystal display, the keyboard and the data memory are connected to the singlechip separately, an information memory is provided with a data transmission device, a data receiving device and a singlechip. The information receiver and the information controller of the invention are telecommunicated with the information memory, which may be used for a long distance recognition of vehicle identification in a car park.

A read tunnel device is disclosed for scanning a plurality of cartons of high density packaged items moving through an enclosure via a conveyor belt. The read tunnel device is positioned over a section of the conveyor belt, such that the plurality of cartons on the conveyor belt pass directly through the read tunnel device. Further, the cartons are induced to tumble as they transit through the read tunnel device in one or more dimensions, the tumbling changes arrangement of the items within the cartons and also changes read direction with respect to the antenna in the enclosure. For example, the read tunnel device can comprise a tube angled down from the conveyor belt so a carton will transit down the tube using the force of gravity. Or, a mechanical structure such as mechanical flippers can pick up the carton and rotate it in controlled increments.

The invention discloses a near field communication triggering method and device, electronic equipment and a storage medium. The method comprises the following steps of when a near field communication tag is sensed, acquiring a first sensing moment when the near field communication tag is sensed, acquiring a write-in moment when the near field communication tag completes data write-in and a preset delay trigger duration, judging whether the difference value between the first sensing moment and the write-in moment is greater than the delay trigger duration or not, and when the difference value between the first sensing moment and the write-in moment is greater than the delay trigger duration, acquiring and executing an instruction in the near field communication tag. By adopting the scheme provided by the invention, the near field communication trigger sensitivity can be reduced, and the near field communication trigger safety can be improved.

The invention discloses an electronic engineering information collector, and relates to the technical field of electronic engineering information collection, and the collector comprises a device body,a supporting column is fixedly installed at the bottom of the device body, a fixed plate is fixedly connected to one side of the interior of the device body, and a placement plate is fixedly installed on the upper surface of the fixed plate. And a motor is fixedly installed on one side of the upper surface of the containing plate, one side of the motor is rotationally connected with a transmission roller, and an inserting hole is formed in one side of the device body. According to the electronic engineering information collector, through the matched arrangement of the transmission roller andthe positioning roller, when the electronic engineering information collector is used, the situation that the identity card position deviates, and the identity information collection efficiency is affected can be avoided, and through the matched arrangement of the insertion hole and the sensor, the device body has the function of automatically recognizing the identity card; and the effect of convenient operation is achieved, and the information acquisition efficiency of the device body is improved.