851results about How to "Avoid distractions" patented technology

A cervical compression plate assembly having screw receiving elements at opposite ends that are configured for engaging bone fixation screws extending from respective vertebral elements. The assembly permits the distance between the screw receiving elements at opposite ends to be shortened but prevents the distance from increasing. A spring mechanism is housed within the plate assembly and is configured for continuously urging the screw receiving elements at opposite ends together for thereby providing continuous compressive loading on bone graft material disposed between the vertebral elements.

The invention discloses a mobile communication terminal and a communication control method thereof. The mobile communication terminal comprises a mobile communication terminal main circuit, a main processing unit, a start unit and an execution unit, wherein the main processing unit is connected with the mobile communication terminal main circuit; the start unit is used for starting and stopping an automatic hands-free communication mode; and the execution unit is connected with the start unit and is used for controlling the main processing unit to enter or exit the automatic hands-free communication mode according to a start and stop instruction of the start unit. The communication control method is the control method for the terminal. The terminal and the method have the advantage that: automatic hands-free communication can be convenient to realize without manual operation under the condition that some special circumstances are met (particularly in the driving of vehicles).

The invention enables “low attention recording,” i.e., recording that need not appreciably affect interaction of a recorder (i.e., a person in control of a recording unit according to the invention) or others with the environment in which the recording is taking place. The low attention recording enabled by the invention can be particularly advantageously employed in “social recording,” i.e., recording in which multiple participants in an event are recording the event. As described in more detail below, advantageous aspects of the invention can be provided by a small, lightweight, wearable recording unit.

A fastening device having a bellows made of a material that changes shape when activated by a catalyst, and having a pleated structure that contracts from an extended state to a contracted state upon activation. The shape changing material may be a shape memory metal alloy, shape memory polymer or elastic memory composite. A method of using this fastener provides apposition and compression of abutment surfaces to join together two pieces of material, and is suitable for joining apposing bone surfaces together to heal fractures via the use of orthopedic hardware.

A backlight module, a method for identifying a fingerprint under the screen, a device and an electronic device are provided. The fingerprint recognition device is applied to an electronic device having a backlight module, and the fingerprint recognition device includes: a fingerprint recognition module. The fingerprint recognition module is disposed under the backlight module, and the fingerprintrecognition module is configured to receive the infrared light signal emitted by the infrared light source and illuminate the human body finger and pass through the backlight module. The infrared light signal is used to detect the fingerprint information of the finger. The haze of the infrared light signal when passing through the backlight module is smaller than the haze when the visible light for displaying an image passes through the backlight module. An screen fingerprint recognition device of the embodiment of the present application can effectively implement the screen fingerprint recognition of the passive light-emitting display.

The invention relates to an image detection method for detecting foreign matter at the bottom of a vehicle. The method sequentially includes the following steps of image input, image registration, binary image acquisition and foreign matter detection. The method can be used for fast recognizing whether the bottom of the vehicle going in or out of a barrier gate carries foreign matter or not, a vehicle chassis image provided by a vehicle chassis imaging system is subjected to signal analysis and processing, a real-time reliable foreign matter detection method is provided for detection of the chassis of the vehicle, and therefore the foreign matter at the bottom of the chassis of the vehicle can be fast, accurately and efficiently detected, the detecting accuracy is improved, interference of manual operation and environment changes is eradicated, and the requirement for real-time detection of the bottom of the vehicle in the security and prevention market in China is met. The time needed for recognition is no longer than five seconds, and the recognition efficiency is high.

The invention relates to the field of video monitoring, in particular to a safety helmet identification method integrating HOG human body target detection and an SVM classifier. The method includes the steps that parameter values Sigma of HOG positive and negative sample characteristics, an SVM classification function and a Gaussian kernel function are obtained; a monitoring box is extracted; a moving target is detected; HOG characteristic matching is conducted to judge whether a safety helmet is worn. By means of the safety helmet identification method, whether staff in a construction site wear safety helmets as required can be accurately monitored, the algorithm principle is simple, the real-time performance and a high accuracy rate are achieved, a human body target and a non-human-body target can be effectively distinguished, interference factors in a background are overcome, adaptability to outdoor changing light conditions and changes of colors of the safety helmets is achieved, and high robustness is achieved.

The invention provides a metal microneedle array which comprises a substrate, a metal sheet fixed on the surface of the substrate, and/or one metal sheet with one side edge embedded into the substrate, and/or at least two metal sheets which are arranged at certain intervals and fixed on the surface of the substrate, and/or at least two metal sheets with one side edge embedded into the substrate, wherein at least two metal sheets with one side edge embedded into the substrate are arranged at certain intervals. A microneedle array protruding outward is arranged on the edge of at least one side of each metal sheet, and at least comprises two microneedles arranged at certain intervals, the microneedles protrude out of the surface of the substrate, the microneedles are perpendicular to the surface of the substrate or the microneedles tilt to the surface of the substrate by the predetermined angle, the microneedles are perpendicular to a principal plane in which a center area of each metal sheet exists, or the microneedles share the same plane with the principal plane, and one end of each mironeedle is a needle point.

The invention discloses a power inspection tour flying robot air route planning method based on a three-dimensional digital map in the technical field of power transmission line inspection tour flying robot air route planning method research. The method comprises: acquiring three-dimensional data information of terrain and surface features near a power line by using laser scanning technology and constructing a corresponding three-dimensional digital map; generating a barrier map according to the three-dimensional digital map and establishing a safe flight path for the inspection tour flying robot; if a weather condition which is not beneficial to flying robot inspection tour happens, immediately making an emergency landing in order to enable the flying robot safely land as near as possible, and reclaiming the flying robot after the emergency situation finishes; if no special weather condition happens, enabling the flying robot to determine whether an inspection tour task is completed after performing inspection tour for a certain time; if the inspection tour task is completed, enabling the flying robot to return along the original safe flight path; and if the inspection tour task is not completed, enabling the flying robot to perform autonomous risk avoiding according to the established safe flight path.

The present invention relates to fine and superfine cassiterite recovering technology. The whole production process of recovering cassiterite includes the following steps: collecting the fine grain ore slurry, dewatering to stabilize, floating all cassiterite of different sizes by means of proper amount of floating agent, dispersion dewatering, shaking table recovering large cassiterite, dispersion floating the desilting from dispersion dewatering, and depositing and dewatering the ultimate tin concentrate.

The invention mainly aims at precision testing of characteristic parameters such as facial form and surface roughness of a large-scale sphere and an aspheric surface and particularly relates to an outline scanning measuring method and a device of the large-scale sphere and the aspheric surface. The large-scale sphere and the aspheric surface can separate an axial end jump error and a rectilinear motion guide rail error in an X direction in real-time, achieve real-time self-detaching of the axial end jump error of a drive shaft system and an aspheric surface outline measurement value, adopt a reference beam with high direction stability to monitor and compensate a guide rail motion error in real-time and be capable of conduct autonomous detaching and real-time compensation on the high-precision large-scale sphere and the aspheric surface such as the axial end jump error of the drive shaft system and the rectilinear motion guide rail error in the X direction. The outline scanning measuring method and the device of the large-scale sphere and the aspheric surface provides a new method and a new technology for high-accuracy measurement of parameters such as the facial forms of the large-scale sphere or aspheric surface, surface roughness, radius of curvature and the like.

A system and method for processing traffic data and locally generated data. A traffic signal monitoring device may be associated with a vehicle and configured to receive traffic data from traffic infrastructure devices. The traffic signal monitoring device may additionally or alternatively utilize local data (e.g., speed of the vehicle) to generate alerts to notify a driver of hazardous conditions or to suppress operations (e.g., notifications, menus) of a device to reduce distractions.

A vehicle device for use in vehicle-roadside communication that communicates with a roadside device disposed on a roadside includes a radio unit for receiving an informational message from the roadside device as well as a display and a speaker for information provision. The vehicle device further includes a storage unit for storing the informational message received by the radio unit. A system controller in the vehicle device determines whether information provision condition for providing the informational message in the storage unit is met based on an information content and current condition information in the informational message received by the radio unit. When the information provision condition is determined to be met, the system controller controls the display and the speaker to cause a provision of the informational message.

The invention discloses a directional induced polarization real-time advance water detecting device while drilling for tunnel construction. The device comprises a drill bit, a high-strength insulated sleeve while drilling, and a directional induced polarization detection system, wherein the drill bit is connected with the high-strength insulated sleeve while drilling through a connecting bearing, and the directional induced polarization detection system is distributed at the periphery of the high-strength insulated sleeve while drilling. The invention also provides a corresponding directional induced polarization real-time advance water detecting method while drilling for tunnel construction. According to the device and the method disclosed by the invention, the interference of the construction environment is avoided, the detection effect is better, the utilization efficiency of an advance borehole is improved, current orientation is realized, the low resistance at the borehole wall is broken through, the detection range is enlarged, an electrode is protected, and a better coupling contact between the electrode and a rock-soil body is guaranteed.

The invention is an apparatus and method for allowing multiple individuals to view discrete images while remaining in close proximity to each other. It encompasses a split screen polarized lens, with alternate polarization portions, fitting over a viewing monitor and pairs of corresponding polarized glasses. Each pair of polarized glasses matches a portion of the screen lens with the same polarization so that the human viewer wearing vertically polarized glasses may only view the vertically polarized portion of the screen and the human viewer wearing horizontally polarized glasses may only view the horizontally polarized portion of the screen.

The invention belongs to the technical field of structural nondestructive detection and in particular relates to a tap-scanning method for detecting structural damages. The method comprises the following steps: scanning along the surface of a structure to be detected by using a tapping device provided with an acceleration transducer and describing the relations between the acceleration a of the tapping device and structural displacement response b, a structural local impedance Z and a tapping force F by using an approximate formula (shown above); segmenting an acceleration signal and subjecting the acceleration signal to transform processing to obtain a spectrogram of the acceleration signal; intercepting a spectrum envelope corresponding to a frequency band covered by a preset tapping force and recording the spectrum envelope by using vectors; and obtaining an MAC coefficient matrix. A curved line is drawn by using the values of a row of elements selected from the MAC coefficient array as the elements of a vertical axis and using corresponding structural positions to form a horizontal axis, and if a structure has no damage, the curved line is smooth; and if the curved line declines suddenly at a certain position, a damage occurs at the position, and a greater the declination represents a more serious damage.

The invention relates to a constitution detecting method and a constitution detecting system based on optical identification. The constitution detecting method based on the optical identification comprises the steps of obtaining depth images of sporters, obtaining sporter body data, obtaining feature point coordinates matched with sport events of the sporters within a start-stop period of sports, and calculating sport data. The constitution detecting system based on the optical identification comprises an optical identification system and a data processing system, wherein the optical identification system adopts a depth vidicon to identify the sports of the spotters and forms depth image data, and the data processing system is connected with the optical identification system, processes the depth image data according to received sports type data and forms sports data. The constitution detecting method and the constitution detecting system based on the optical identification are high in constitution detecting speed.

Installation for harvesting energy of ocean currents (IHOC) in deepwaters is based on utilization of a semisubmersible platform and the multiple of vertically oriented Darrieus type hydraulic turbines. The turbines are located as close as possible to ocean surface, where speed of current is usually at its maximum. Since speed of current fluctuate during the seasons a system controlling buoyancy force of that keeps IHOC floating near surface is employed. The mooring system consists of three tethers, which prevent transferring of overturning moment applied to IHOC to anchoring base. The electric power generators are located in a machinery room on a structure well above sea level and would transmit electric power to the shore utilizing flexible cable. During hurricane it will be lowered to the depth preventing turbines from being affected by wave actions, at the same time it would keep machinery room above wave action. For the purpose of delivery assembled on shore Turbine Housing to destination site and installing it there a special convoy is formed consisting of Catamaran Delivery Barge and Stabilizing Platform.

The second Embodiment of this invention is designed to harvest energy of tides in deepwaters.

The invention discloses a low phase stray frequency synthesizing method and application. The frequency distribution relationship of the synthesizing scheme is definite in current technique for definite output frequency; the invention changes that situation, uses character that any output frequency may multiple distribution relationships in frequency synthesizing scheme of multiple adjustments, on precondition of ensure to obtain the output frequency, by detecting output signal (by phase noise automatic detecting system), choosing best distribution relationship of frequency purity especially stray index, and storing it into RAM/ROM. When using the frequency synthesizer, corresponding frequency relationship is read out from the RAM/ROM in checking table mode to achieve purpose of designing high distinguishability, low stray low phase noise agility frequency changing microwave millimeter wave frequency synthesizer, so the performance of the microwave millimeter wave frequency synthesizer is increased, specially the debugging difficulty of stray index of frequency synthesizer is decreased greatly.