148results about How to "Reduced range of movement" patented technology

An autofocus system for a camera includes a contrast focus detector which detects a position of a focusing lens group, at which the contrast of an object image reaches a maximum as a contrast in-focus position; a phase-difference focus detector which separates the object image light bundle into two light bundles which form two object images on a light-receiving element to detect a phase difference between the two object images formed thereon, the phase-difference focus detector defining a position of the focusing lens group at which an in-focus state is obtained for the object as a phase-difference in-focus position; and a controller for moving the focusing lens group via the lens driver to the phase-difference in-focus position or the contrast in-focus position. The controller adjusts a moving range of the focusing lens group in accordance with a degree of reliability of the phase-difference in-focus position.

A microwave introducing mechanism 43 includes a cylindrical container 50; an inner conductor 52, coaxially provided in the container 50, a microwave transmission path being defined between the container 50 and the inner conductor 52; a tuner 44 for adjusting an impedance of the microwave transmission path 53; and an antenna section 45 including an antenna 51 for radiating to the chamber a microwave transmitted through the microwave transmission path 53. The tuner 44 includes a pair of slugs 58 made of a dielectric material and movable along the inner conductor 52; an actuator 59 for moving the slugs 58; and a controller 60. The controller 60 controls both the slugs 58 to move together in a range of a ½ wavelength of the microwave and one of the slugs 58 to move in a range of a ¼ wavelength of the microwave with regard to the other slug.

The invention discloses a convolutional neural network-based method for detecting the sleep behavior of a person on duty, and the method comprises the steps: 1, collecting a sleep figure picture as apositive sample picture set; And collecting character pictures which do not sleep as a negative sample picture set. 2, using a YOLO v3 algorithm to facilitate positive and negative sample picture sets, obtaining a character area, and forming positive and negative sample data sets; 3, dividing the positive and negative sample data sets into a training data set and a test data set; And 4, constructing the convolutional neural network based on the ShuffleNet v2 model. And 5, training the convolutional neural network model by using the training data set. And 6, deploying the trained convolutionalneural network model in a visual analysis system, analyzing video stream data acquired by video monitoring equipment, and detecting the duty condition of a person on duty. According to the technical scheme, the target detection technology and the behavior recognition technology based on the convolutional neural network are fused according to the characteristics of the sleep behavior, and the analysis result is accurate and effective.

An optical filter includes: a first variable wavelength bandpass filter that can extract light of a first wavelength band (400 to 460 nm), the first wavelength band having a first spectral band having a central wavelength equal to a first wavelength in the first wavelength band and a second spectral band having a central wavelength equal to a second wavelength in the first wavelength band; and a second variable wavelength bandpass filter that can extract light of a second wavelength band (480 to 540 nm) adjacent to the first wavelength band, the second wavelength band having a third spectral band having a central wavelength equal to a third wavelength in the second wavelength band and a fourth spectral band having a central wavelength equal to a fourth wavelength in the second wavelength band.

A keyboard having a plurality of alphabetical keys and number keys is proposed. The alphabetical keys are divided into a first key combination and a second key combination, and the number keys are located between the first and second key combinations. The number keys are adjacent to a plurality of cursor shifting keys. The number keys are arranged in columns, and the cursor shifting keys are arranged in rows below the number keys. The cursor shifting keys are positioned at a lower elevation than the number keys so as to avoid hitting the wrong keys by mistake during user's key-in operation. The number keys further include an Enter key, while a Backspace key and a Tab key are adjacent to the number keys to reduce hand-moving range for the user, so as improve key-in speed and satisfy ergonomic criteria.

A load indicating insert visually displays fastener loading during tightening and use of a fastener. First and second levers are positioned by a connective cartridge substantially within a fastener bore to provide a compound. amplified indication of loading as a function of the elongation or deformation of the fastener. The first lever is connected at an internal pivot point of a cartridge with a lower end resting on an abutment within the fastener bore. As the abutment moves the first lever during elongation, the second lever moves relative to a visual loading scale. As the fastener is loaded and unloaded, varying elongation of the fastener causes displacement of the abutment and movement of the indicator back and forth along the load indicating scale.

A retracting animal lead having a housing with a handle portion and an internal chamber in which a spool is rotatably mounted. An extraction opening is formed in the housing in alignment with a winding cylinder of the spool for guiding lead material from the spool out of the housing. The spool is rotationally biased into a first rotational position and is rotatable against the biasing force so as, in use, to unwind from the spool the lead material wound thereon. A winding handle is rotatably mounted to the outside of the housing, and a coupling means is operatively moveable between an engaged position in which it non-rotatable couples the winding handle to the spool so as to enable manual rotation of the spool, thereby, in use, enabling the lead material manually to be rewound onto the spool, and a disengaged position in which the spool in rotationally disconnected from the handle.

The invention provides an input keyboard. A processor detects the key matrix to obtain key-state signals; an inductive recognizer recognizes the finger positions of a user on the key matrix and / or sets finger positions of the user via position keys; a code generator performs code conversion and keying input according to position signals and key-state signals. The invention also provides an input method of the keyboard. The input keyboard and the input method of the invention have the following advantages that: with recognition technology, pressing a same key with different fingers can input different meanings, so keyboard input is simplified with fewer keys, key numbers for fingers are uniformly distributed and finger motion scopes are minimized. The left hand and the right handwork separately, and the thumbs and the palms are put on a supporting position in normal time, so the operation not only is consistent with input habits and easy to learn and master, but also improves the input speed and reduces hand fatigue.

The invention discloses a rapid positioning detection method and device for an automobile headlamp. The rapid positioning detection device comprises a positioning plate, a transmission assembly, a headlamp detector, an induction assembly, a horizontal positioning assembly and an automobile correcting assembly. The transmission assembly comprises a sliding base, a supporting column, a first photosensitive assembly and a shaft guide rail assembly. An X-axis guide rail assembly is fixed on one side of the positioning plate; the sliding base is arranged on the X-axis guide rail assembly in a sliding manner; the supporting column is vertically fixed to the sliding base, a Z-axis guide rail is vertically arranged on one side of the supporting column, the headlamp detector is arranged on the Z-axis guide rail in a sliding mode, the first photosensitive assembly is arranged at the front end of the supporting column, and the induction assembly, the horizontal positioning assembly and the automobile correcting assembly are sequentially arranged in front of the transmission assembly. The approximate range of the headlamp on the X axis and the approximate range of the headlamp on the Z axis are determined through the horizontal positioning assembly and the first photosensitive assembly respectively, so that the moving range of the headlamp detector is greatly reduced, and positioning of the headlamp is faster.

There is provided a skin-material fixing clip for connecting a skin material with a cushion material and provided with a locking section and a hook. The hook is provided with an extension portion extending downward from the locking section and a claw-shaped portion extending laterally from a distal end of the extension portion. The locking section is provided with a wire guide piece. A groove portion surrounded by the claw-shaped portion and the extension portion defines a wire holding space. Parts of the wire guide piece and the claw-shaped portion facing the wire insertion opening defines guide surfaces. The distal end portion of the wire guide piece and the distal end portion of the claw-shaped portion are provided to be spaced from each other along a direction parallel to an extending direction of the groove portion.

The invention is to increase the size of a suction cup by making the suction cup correspond to an increase of the size of a workpiece, and to smoothly move the suction cup together with a stage, while maintaining flatness accuracy. This stage device 10 has a stone surface plate 20, the stage 30 moving on a plane of the stone surface plate 20, the suction cup 40 mounted on the stage 30 to suck the flat plate shaped workpiece, and a pair of Y linear motors 50 for moving the stage 30 in the Y direction. The suction cup 40 has a square-shaped suction surface 42. Four sides of the X and Y directions of the suction surface 42 are formed to have larger dimensions than that of an X stage 38, and a width dimension of the X direction is formed to have a smaller dimension than that of the stone surface plate 20. The stage device 10 has four supports 60 extending in the vertical direction from a lower face of the suction cup 40 and an air pad 70 provided at a lower end of each support 60 to be movable by floating on the plane of the stone surface plate 20 by air pressure. The suction cup 40 is moved on the stone surface plate 20 since the supports 60 and the air pad 70 are directly supported.

The invention discloses a small self-propelled alfalfa cradling and flattening machine, belonging to the technical field of agricultural machinery. The small self-propelled alfalfa cradling and flattening machine is mainly composed of a working device, a hydraulic lifting device, an operation system, a power and transmission system and a travelling system; the working device, the hydraulic lifting device and the operation system are arranged at the front part of the machine; the power and transmission system and the travelling system are arranged at the middle rear part of the machine; one end of the hydraulic lifting device is connected with the working device, and the other end of the hydraulic lifting device is connected with the machine frame; and the power and transmission system is connected with the operation system and the travelling system through the hydraulic device, gear transmission and a transmission part. The small self-propelled alfalfa cradling and flattening machine is designed for flattening and paving alfalfas into fluffy swathes while cradling alfalfas aiming at alfalfa obtaining works in small lands, such as hills, mountainous regions and the like; a cradling table device and a flattening device are connected by adopting a frame type structure, unparallel four-connecting-rod lifting mechanisms are adopted, and when the machine climbs, a cradling table can be lifted without influencing stability of the whole machine, so that operation is safer and more stable; stepless speed regulation can be realized by driving a front axle through a hydraulic motor; the working efficiency is increased; and simultaneously, the small self-propelled alfalfa cradling and flattening machine has wider practicability.

The invention discloses an intelligent cleaning system for a rear camera of an automobile, relating to the field of artificial intelligence. According to the system, two automobile rear-mounted cameras are installed, when one rear-mounted camera needs to be cleaned, switching operation is carried out in a short time, automobile rear-mounted cameras meeting use requirement are switched out for use,then the switched automobile rear-mounted camera needing to be cleaned is cleaned, the time for an automobile owner to wait for cleaning of the automobile rear-mounted camera is avoided, cleaning operation cannot occur in a reversing picture, the reversing process cannot be disturbed, and safety is higher.

A necktie has an integrated system to limit movement of the free ends of the necktie when worn. The necktie has a wide end section and a narrow end section. The necktie has a selected width transition from the wide end section to the narrow end section. The overall length of the necktie is selected to allow the necktie to be secured to a person's neck using a selected knot-tying technique such that the wide end of the necktie is positioned at a selected location with respect to the person's waistline and such that the narrow end of the necktie is positioned behind the wide end of the necktie. At least one loop is secured to the back of the wide end of the necktie. The narrow end of the necktie passes through the loop. At least one buttonhole is formed through the narrow end of the necktie.

Provided are a reaction cuvette loading device and a fully automatic chemiluminescence immunoassay apparatus. The reaction cuvette loading device comprises a transmission mechanism and a push mechanism, wherein the transmission mechanism comprises a baseplate and a first horizontal transmission mechanism provided on the baseplate; the push mechanism comprises a support assembly, a second horizontal transmission mechanism provided on the support assembly, and a push rod connected to the second horizontal transmission mechanism; and the push mechanism further comprises a direction guiding control block comprising a starting end provided at a terminal point of a cuvette pushing stroke of the push rod, a termination end provided at a starting point of the cuvette pushing stroke of the push rod, and a return track provided between the starting end and the termination end and bypassing the cuvette pushing stroke, and the separation distance between the starting end and termination end is not less than one vessel position and not more than two vessel positions.

The invention discloses a candidate word selecting method, a candidate word selecting device and candidate work selecting electronic equipment, and belongs to the technical field of computers. The method comprises the steps that input characters are received; after the input characters are received, a selecting area containing one or more candidate words corresponding to the input characters and arranged according to a preset curve is displayed; a selecting signal is received on the selecting area; after the selecting signal is received, a designated candidate word corresponding to the selecting signal is obtained. According to the candidate word selecting method, the candidate work selecting device and the candidate work selecting electronic equipment, by receiving the characters, displaying the selecting area containing one or more candidate words corresponding to the input characters and arranged according to the preset curve, receiving the selecting signal on the selecting area and obtaining the designated candidate word corresponding to the selecting signal, the problems that when the candidate word is selected, a moving range is large and efficiency in selecting the candidate word is low are solved, and therefore the effect of improving the efficiency in selecting the candidate word is achieved.

The present invention provides a touch identification method and display apparatus based on an infrared touch screen, and relates to the field of the infrared touch screen technologies, so as to resolve problems of inaccuracy of a touch point determined by a current touch identification method and touch failure. The method comprises: driving a launch tube at a first direction side of the infrared touch screen to scan, acquiring at least one first touch point, and storing at least one first touch point; driving a launch tube at a second direction side of the infrared touch screen to scan, and acquiring at least one second touch point; matching the at least one second touch point with the at least one first touch point, and determining at least one matching pair; and for any matching pair of the at least one matching pair, combining a coordinate value corresponding to the second direction side of the second touch point with a coordinate value corresponding to the first direction side of the first touch point in the matching pair, determining that a combined coordinate is the touch point on the infrared touch screen, and outputting the touch point.

In an automatic screw tightening apparatus, a feed head unit is movable to and from close contact with a driver bit portion. The driver bit portion contacts the screw and sucks the head portion of the screw in close contact. The feed head unit includes a longitudinal groove opened to the outside and connected to a vertically extending screw feed hole. Only a thread portion of the screw is capable of horizontally advancing and retreating in the longitudinal groove.

A sputtering system performing oblique film deposition by arranging a target and a substrate such that sputter particles discharged from the target enter the substrate obliquely and selectively, and depositing a magnetic film having high uniaxial magnetic anisotropy uniformly and compactly. The sputtering system comprises a cathode having a sputtering target supporting surface and an axis about which the sputtering target supporting surface rotates, and a stage having a substrate supporting surface and an axis about which the substrate supporting surface rotates wherein the sputtering target supporting surface and the substrate supporting surface are opposing each other and rotatable independently about respective axes of rotation. Furthermore, a shield plate is arranged between the sputtering target supporting surface and the substrate supporting surface and rotatable independently from the cathode and the stage.

An automatic screw tightening apparatus suppresses damage of an inner wall of a transfer tube, stabilizes the posture of the screw, stably supplies the screw to a driver bit, and reduces screw tightening time. A rotatable arm is installed at the screw discharging unit and a feed head unit is installed at a fore end of the rotatable arm to be brought into close contact with a driver bit portion of a fore end of the screw tightening mechanism. The feed head unit is movable between close contact with the driver bit portion and an evacuation position where the feed head unit is far from the driver bit unit. At the close contact position, the driver bit portion of the fore end of the screw tightening mechanism is brought into contact with the screw and sucks a head portion of the screw to engage the screw.

The invention discloses a novel hot-rolled round steel cut-to-length system, and belongs to the technical field of mechanical engineering. The novel hot-rolled round steel cut-to-length system comprises a charging skip, a cutting frame, a supporting conveying device and guide rails. The cutting frame is hinged to one end of the charging skip, an automatic clamping mechanism and a manual supporting conveying structure are arranged at the other end of the charging skip, and the automatic clamping mechanism comprises a first clamping plate and a second clamping plate. The supporting conveying device is arranged in the discharging direction of the automatic clamping mechanism and comprises a conveying carrier roller support, a carrier roller base and carrier rollers, and a rotary encoder is installed on the carrier roller base. The cutting frame comprises a cutting saw rotation base, a first driving motor and a transmission device, a cutting saw is arranged at an opening of the cutting saw rotation base and guide wheels are arranged at the lower end of the charging skip and driven by a second motor. The novel hot-rolled round steel cut-to-length system can realize automatic control over fixed-length cutting through the combination of the driving motors, a hydraulic cylinder and the rotary encoder, and through the mobile length fixing mode of a shearing machine, the moving range is small, speed is high, cut-to-length accuracy is high and the working efficiency of the shearing machine can be obviously improved.

The invention discloses a high-precision position detection device and a high-precision position detection method and belongs to the field of optical detection. The device comprises a short coherent light source, a collimating lens, a polarizer, a 1 / 2 wave plate, an optical splitter, a holophote a coupling lens, an end reflection fiber beam splitter, a focusing lens, a polarization analyzer, a sensor, two 1 / 4 wave plates and a multifocal lens; and the parts form a reference light path and a measurement light path. The optical path difference of different branches in the reference light path is fixed and different; and if assuming a test range is L and the reference light path comprises n branches, in order to test the optical surface space in the length of L, a movable lens is only required to move a distance of L / n, and the positions of different optical surfaces in the L range of a tested system can be accurately known by analyzing the position of the movable lens and the central position of interference fringe. The detection device has the advantages of wide detection range, small moving range of the movable lens, simple structure and high measuring accuracy.

The invention provides a data storage system and a data storage method, and belongs to the field of data storage. The data storage system comprises a data collection module and a time sequence database. According to the data storage method, after a time sequence database receives data and before the data is written into a disk, the data is independently stored as a log, real storage operation is carried out after the log is successfully stored, and the data is written into the disk. If the whole storage operation is interrupted due to a certain reason, when the system is restarted, the storageoperation before interruption can be recovered according to the data of the data log file, and it is guaranteed that the received data cannot be lost. When real data storage operation is carried out,multiple random writes are combined into one sequential write operation, the frequency of calling disk write operation and the moving range of a magnetic head and a mechanical arm are reduced, and the highest disk write speed of a rotating speed hard disk is achieved. One data log file is deleted after the storage operation is completed, and the occupied hard disk space can be recycled.

The present invention discloses a camera capable of reducing the size by reducing the range of movement of a view finder driving member which operates interlocked with an image-taking lens barrel. The camera includes an image-taking lens barrel which performs a operation in a collapse region and performs a zooming operation in an image-taking region, a view finder optical system including a movable lens unit and a view finder driving member having a cam which drives the movable lens unit. The image-taking lens barrel operates interlocked with the view finder driving member in the image-taking region and the interlock between the image-taking lens barrel and the view finder driving member is released in the collapse region.

A magnetic head parking system of a hard disk drive to move a magnetic head mounted on a slider of an actuator from a data zone of a disk and to place the magnetic head in a parking zone thereof when the disk stops rotating. The magnetic head parking system includes a head limiter provided on an upper surface of a flange of a spindle motor to protrude toward the disk and restricting a range of movement in upward and downward directions of the magnetic head placed in the parking zone of the disk. The head limiter is provided at a position opposite to a position where the slider of the actuator is installed or at a position deviating from and / or adjacent to a position directly under the slider. Thus, when an external impact is applied and an operation of the hard disk drive is stopped, the range of the up and down movement of the magnetic head is limited by the head limiter, so that the possibility of the damage to the magnetic head due to the head slap can be lowered.

The invention relates to the technical field of sports goods and discloses a clay target for training and capable of realizing deceleration and displacement. The clay target comprises a clay pigeon body, a plurality of direction changing grooves are formed at the edge of an inner cavity of the clay pigeon body by means of annular arraying, a moving round block is arranged in each direction changing groove, a return column is connected between each moving round block and the inner wall of the corresponding direction changing groove, a working groove on a plane same as the direction changing grooves is formed in the center of the inner cavity of the clay pigeon body, a bevel gear set is arranged at the circle center of the working groove and composed of bevel gears in up-down meshing, the upper bevel gear is connected with a torsion disc through a supporting rod, and the lower bevel gear is connected with a rotating rod extending out of the clay pigeon body. By the clay target, the problem that existing clay targets cannot realize deceleration and displacement by itself is solved; the clay target can realize deceleration by itself when moving in air and can realize slight displacement by itself to deviate an original track, and the clay target can assist in training mental agility and reaction of shooters with short period and obvious effect.

The invention provides medical equipment. The medical equipment includes a first mode device, a second mode device and a driving device. An accommodating space is formed in the first mode device, the second mode device is at least partially installed in the accommodating space, and the rotating center line of the second mode device overlaps with the rotating center line of the first mode device. The driving device is used for driving at least one of the first mode device and the second mode device to rotate. The first mode device and the second mode device are used for realizing the therapeutic and diagnostic functions respectively, the first mode device and the second mode device are of an integral structure, the first mode device and the second mode device occupy small space and are convenient to install. The first mode device and the second mode device are arranged coaxially. In the operation process of the treatment or diagnosis, the first mode device and the second mode device rotate around the same rotary center line, the position accuracy is high, and the moving range of a treatment bed is small, which makes the treatment position very accurate.

A switch has a first leaf spring having a first contact, the first contact being formed in a V shape and including two inclined surfaces, a second leaf spring having a second contact facing the first contact, the second contact being formed in a convex shape and including vertexes facing the inclined surfaces, respectively; and a pressing unit that presses the first leaf spring or the second leaf spring. When the pressing unit presses the first leaf spring or the second leaf spring, the inclined surface on a first side of the first contact and the vertex on a first side of the second contact come in contact with each other, and the vertex on the first side of the second contact slides on the inclined surface on the first side of the first contact.