517 results about "Angular range" patented technology

The invention provides a light beam scanning device of an integrated photonics chip and a test method. The light beam scanning device of the integrated photonics chip comprises a chip sample table, a chip sample table base, a light beam receiver connected with a lens cone and a horizontally arranged turntable base, the lens barrel is arranged above the turntable base, and a diaphragm adjusting structure and at least four lens groups are arranged in the lens barrel; the central point of the chip sample table base is overlapped with the central point of the turntable base, the chip sample table base is positioned above the turntable base, and the chip sample table is vertically arranged at the central point of the chip sample table base. Through switching of different lens groups in the lens cone, measurement of far and near fields of the to-be-tested chip is realized by using the same lens cone, the lens cone is arranged on the turntable base, and the test angle range can be adjusted according to specific test requirements so that various chip test requirements can be met.

The application provides an angle of arrival measurement method, an electronic device, a readable storage medium and a chip, and relates to the technical field of wireless positioning. The method is applied to an electronic device, and the electronic device comprises a first antenna and a second antenna. The antenna radiation field patterns of the first antenna and the second antenna are similar within a first angle range around the electronic device and are not similar within a second angle range around the electronic device. The method comprises the following steps: determining the difference between target parameters measured by the first antenna and the second antenna according to a wireless signal; determining the angle of arrival range of the wireless signal according to the difference; wherein the angle of arrival range is the first angle range or the second angle range; and measuring the angle of arrival of the wireless signal by using the first antenna and the second antenna according to the angle of arrival range. The technical scheme provided in the embodiment can improve the accuracy of angle of arrival measurement.

An electronic device is provided. The electronic device includes a housing including a first housing and a second housing, a hinge unit configured to enable the first housing and the second housing to rotate, a first display disposed in the first housing and the second housing, at least one camera, at least one sensor, at least one processor, and memory storing instructions, wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to identify, by using the at least one sensor, whether the electronic device is in a folded state within a specified angular range, identify whether an object is detected in an image acquired by means of the at least one camera, and based on the electronic device being folding within the specified angle range and the object being detected within the image, activate an auto-framing function.

The present invention provides a computer-implemented method for X-ray analysis. The method includes receiving X-ray analysis data from an X-ray detector having multiple detection channels. The X-ray analysis data includes angular scan intensity data obtained by measuring X-ray intensities when successively scanning the X-ray detector. A series of intensity measurement values ​​is acquired for each detection channel. Each series of intensity measurement values ​​is an intensity angular scan. An angular offset is determined for each detection channel. The method further includes determining, for each of a plurality of detection angle bins, an intensity contribution factor for at least one of the intensity measurements. The intensity contribution factor is determined according to an angle range associated with the detection angle bin and the angular offset of the detection channel. For each of the plurality of detection angle bins, a binned intensity is determined based on the intensity of the at least one intensity measurement value and its corresponding intensity contribution factor.

The invention relates to the technical field of electron microscopic imaging, in particular to a correction method and device for geometric distortion in scanning electron microscope measurement, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring a scanning electron microscope image of a standard sample; calculating an orthogonal included angle parameter and a length-width ratio parameter of the scanning electron microscope image; iteratively adjusting the angle correction parameter and the gain correction parameter under a fixed scanning rotation angle until a preset local calibration constraint condition is met; verifying the orthogonal included angle parameter and the length-width ratio parameter under each scanning rotation angle; and when the orthogonality included angle parameter and the length-width ratio parameter do not meet a preset global stability constraint condition, adjusting a relative gain coefficient, and re-executing calibration verification under each scanning rotation angle until a full-angle correction requirement is met. By adopting the method, high precision and stability of imaging correction can be kept in a full-angle range.

The invention belongs to the technical field of equipment screen angle adjustment, and aims to solve the problem of low efficiency of a method for rotating a computer screen by adjusting a mechanical bracket. The invention provides a method and a system for dynamically adjusting the posture of a notebook screen. The method comprises the following steps of: acquiring facial feature information of a user in front of the screen in real time; determining a current face rotation angle of the user based on position parameters of feature extraction points in the face feature information; obtaining an optimal angle range of a notebook computer screen based on the face rotation angle and a preset optimal vertical view field of a user; and controlling the notebook screen to perform angle adjustment based on the optimal angle range. The automatic rotation function of the screen can be achieved, the computer screen directly faces the face and eyes of a user in real time, the sitting posture of the user can be corrected, and the eyesight of the user is protected.

An eyewear display device expands a field of view by projecting display light at multiple ranges of input angles to a waveguide (600) employing multiple portions of an incoupler (514) or multiple incouplers (514, 414) corresponding to the different angular ranges of display light to guide light to an exit pupil expander (416) configured to receive the display light from the different angular ranges and an outcoupler (608) that are sized to fit within an eyeglasses lens. The display light that is input from the different angular ranges is guided by the incouplers to be overlapped at an exit pupil expander (or, in some embodiments, at multiple exit pupil expanders that are overlaid with each other) to reduce the total ray footprint at the exit pupil expander.

The invention relates to the technical field of unmanned aerial vehicle application, and discloses a multi-degree-of-freedom dynamic light field system based on an unmanned aerial vehicle, a cooperative control method of the multi-degree-of-freedom dynamic light field system and a dynamic light field device. The ground control station is used for editing programs and sending instructions; the unmanned aerial vehicle group is composed of a plurality of unmanned aerial vehicles carrying the dynamic light field devices; the communication unit is used for establishing a data link between the ground control station and the unmanned aerial vehicle group; and the main controller on each unmanned aerial vehicle sends cooperative control signals to the flight control system, the first driving mechanism and the second driving mechanism of the unmanned aerial vehicle. Through the synergistic effect of the first driving mechanism and the second driving mechanism, the rotation of the rotating drum in the vertical direction can be controlled, and meanwhile, the rotation of each ball head assembly in the horizontal direction can also be controlled, so that irradiation of each laser module in different azimuth angles within a certain angle range can be realized, and the display effect of the unmanned aerial vehicle group light curtain is improved.

The invention discloses a regenerated wafer scanning method, and relates to the technical field of semiconductor wafer scanning, and the method comprises the steps: obtaining the identification information of a target wafer transmission box when the target wafer transmission box is detected; detecting the in-place state of the wafer through a light curtain sensor, and generating a slot mapping table; controlling a preset micro-rotation mechanism to carry out micro-rotation on the wafer at each slot position within a set angle range, and collecting an annular structure light image; constructing polar coordinates and calculating a first attitude angle of each wafer; driving a micro-rotation mechanism to adjust the wafer to a preset reference angle according to the first attitude angle to obtain a standard attitude wafer; the mechanical arms are driven to be sequentially conveyed to a scanning station; respectively controlling a rotary positioning module to rotate in a first angle range and a second angle range, and acquiring a coded image and a spectral image; the wafer code is analyzed, confidence verification is carried out, and a wafer process type label is identified; and warehousing and recording the wafer codes, the process labels and the transmission box identification information. According to the invention, the storage management efficiency of the regenerated wafer can be effectively improved.

An apparatus for attaching a gimbal for an antenna to a structure, the apparatus including a pivot element for attachment to the structure, wherein the pivot element includes a first hole for rotatably attaching the gimbal to the pivot element using a first fastening element, wherein the pivot element includes a second hole, which is an oblong hole, for guiding a rotational movement of the gimbal within an angular range around an axis of rotation associated with the first hole, wherein a first surface of the pivot element, which faces the gimbal, when the gimbal is attached to the pivot element, is convex.

Mounting device for receiving at least one mirror with at least one marking on a mirror surface for checking at least one pupil axis in an arc with sight and vertical plane of the chord movement, characterized in that at least one mirror can be firmly connected or screwed to the central part of the arc by means of the mounting, wherein at least one inclination angle of the mirror with respect to at least one axis in an angular range ≥ 0° can be selected in the orientation of a mirror relative to the central part.

The invention provides a control assembly and method of a medical instrument and the medical instrument. The control assembly comprises a first interface; the second interface comprises an operation part and a body part; and the control unit is configured to control the actuating mechanism to deflect relative to the axis according to the movement of the first interface, control the jaw of the actuating mechanism to be closed according to the rotation of the operating part of the second interface, and control the actuating mechanism to rotate around the axis according to the position of the body part of the second interface. When the body part is in the first area, the control unit controls the executing mechanism to rotate in a limited angle range; when the body part is in the second area, the control unit controls the executing mechanism to continuously rotate in the preset direction. The actuating mechanism can rotate within a limited angle range or within an infinite angle range according to needs, and is suitable for more application scenes.

The variable-configuration multi-purpose robot comprises a robot body and the wheel-claw-paddle composite mechanism, the robot body comprises a robot body, an upper cover plate and two side plates, the upper cover plate is fixed to the robot body, and the two side plates are rotatably arranged on the two sides of the cover plate through two hinges correspondingly; the hinge is a rotary damping adjustable hinge; the wheel-claw-paddle composite mechanism is allowed to be switched between a wheel-claw-paddle state and a wheel-type state, the wheel-claw-paddle composite mechanism is arranged on the side plate so that the side plate can rotate and be locked relative to the upper cover plate within a set angle range, and then the whole machine can be switched among a flight mode, a ground mode and a water surface mode. The device can adapt to water, land and air triphibian environments at the same time and is integrated with light-weight design.

A multiturn angle detection device includes: a segment counter to count segments in an angular range over the single turn of a rotation shaft; a precision absolute angle detector to generate an absolute angle detection value within the single-turn cycle; and an arithmetic device to generate a multiturn absolute angle detection value by combining the output of the segment counter with the output of the precision absolute angle detector. The segment counter includes: a single power generation sensor; a magnetic field generation source; a sensor element; and a nonvolatile memory to store a count value. The magnetic field generation source applies a two or more-cycle alternating magnetic field per each turn of the rotation shaft axially of a magnetic wire. The arithmetic device uses the count value stored in the nonvolatile memory as it is when receiving external electric power supply.

The embodiment of the invention discloses a wafer defect detection device and a wafer defect detection method. The wafer defect detection device comprises a light source, a scattered light collection module and a signal acquisition and analysis module. The detection light generated by the light source irradiates the to-be-detected wafer at a preset incidence angle theta 3, the detection light is scattered to form scattered light after irradiating the to-be-detected wafer, and theta 3 is larger than 0 and smaller than 90 degrees. The scattered light collection module is used for shielding light rays with scattering angles within a first preset angle range in the scattered light rays and collecting light rays with scattering angles within a second preset angle range in the scattered light rays. And the signal acquisition and analysis module is used for converting the scattered light collected by the scattered light collection module into an electric signal and analyzing the electric signal to identify defect information on the surface of the wafer to be detected. According to the embodiment of the invention, by filtering the diffuse reflection light interference on the wafer surface, the accuracy and reliability of defect detection are improved, and the problem that the diffuse reflection light interference defect detection on the wafer surface is solved.

Disclosed is a socket unit comprising a first body portion comprising a first rear end portion for connection to the output shaft of a power tool and a front end portion adapted for engagement with a screw joint and a second body portion comprising a second rear end portion for connection to the output shaft of the direct driven power tool or a second front end portion adapted for engagement with a screw joint. The second body portion is at least partly arranged in the first body portion, and a relative rotation between the first and second body portions is allowed, such that one of the first and second body portions may rotate over a predetermined allowable angular range when the other is in engagement with the screw joint. The present specification also relates to a corresponding method, power tool and computer readable storage medium.

To provide a mounting technique capable of enhancing a radar detection distance.SOLUTION: The radar antenna device is for installation on a side of a vehicle. The radar antenna device comprises two antenna circuit boards, wherein each antenna circuit board comprises a first side comprising a signal transmitting unit and a signal receiving unit. The signal transmitting unit includes a first signal zone, and the first signal zone is located within an angle range between 0 degree and 50 degrees from a normal of a center of the first surface. The radar antenna device also comprises a base for mounting the two antenna circuit boards. One end of each antenna circuit board is coupled to one end of the base such that a first direction parallel to the base and extending from a center of the first surface is located in the first signal zone and forms an angle between 52.5 degrees and 65 degrees.SELECTED DRAWING: Figure 3

The invention discloses an ice adhesion strength measuring device and an ice adhesion strength measuring method, and belongs to the technical field of ice adhesion strength measurement. The measuring device comprises an inner arc guide rail, an outer arc guide rail, an icing mold, an action line, a tension sensor, a first movable part, a second movable part and a steering part. The inner arc guide rail is coaxially sleeved with the outer arc guide rail, the icing mold is fixedly connected with the inner arc guide rail and provided with an icing cavity, the icing cavity can make contact with the surface of a sample to be tested, the first movable part is movably installed on the inner arc guide rail, the second movable part is movably installed on the outer arc guide rail, and the steering part is fixedly arranged. One end of the action line is fixed on the first movable part, and the other end is wound on the second movable part and the steering part and connected with the tension sensor; the first movable part can be driven by the action line to move along the inner arc guide rail. The ice adhesion strength at any angle is measured by adjusting the position of the action line, and the measurable angle range of the ice adhesion strength is expanded.

A system for limited view imaging is provided. The system may obtain a reference image of an object. The system may identify, from the reference image, one or more critical boundaries between a target organ of the object and one or more adjacent organs of the target organ. The system may determine an imaging angle range of the object based on the one or more critical boundaries. The system may further cause an imaging device to scan the object based on the imaging angle range, the object being in a breath-hold state during the scan.

To suppress generation of vibration noise from a motor during execution of temperature rise processing of a battery.SOLUTION: A determination unit configured to determine whether or not a rotation angle position of the motor in a case where the electric vehicle is stopped and an execution condition of the temperature rise processing is satisfied is within an executable angle range in which a compelling force to the motor generated in a case where the motor is energized in association with execution of the temperature rise processing is equal to or less than a predetermined value; A motor control section that moves the rotation angle position of the motor into the executable angle range after the interruption of the power transmission; and a temperature raising control section that causes the temperature raising device to execute the temperature raising process after the movement of the rotation angle position of the motor into the executable angle range.SELECTED DRAWING: Figure 2

The present disclosure provides an automatic reset device, a swing module, a simulation toy and a decorative ornament. The automatic reset device comprises a swing mechanism, the swing mechanism comprises a swing piece capable of reciprocating swing, and the swing piece is configured to reciprocate within a predetermined angle range; the automatic reset device further comprises an elastic reset mechanism connected to the swing piece, and the elastic reset mechanism is configured to elastically recover when power is off, so as to drive the swing piece to swing to a preset position. The swing piece overcomes the elastic force of the elastic reset mechanism during the swing process, and when the driving mechanism is powered off, the swing piece loses the driving force of the driving mechanism. If the swing piece deviates from the preset position, the elastic force of the elastic reset mechanism will drive the swing piece to swing to the preset position, thereby avoiding the swing piece from presenting an unnatural posture after power is off. In addition, the swing piece can be swung to the preset position without manual operation, which not only improves the convenience of product use, but also reduces the risk of internal mechanism damage caused by improper operation.

The utility model relates to the technical field of insole ruling machine positioning, in particular to a positioning assembly and an automatic identification positioning ruling machine, which comprises a mounting base, a first linear module, a second linear module, an adjusting module and a camera lens, the first linear module is fixedly mounted on the upper surface of the mounting base; the first linear module drives the second linear module to move in a first direction; the second linear module drives the adjusting module to move in a second direction; the first direction is perpendicular to the second direction; the adjusting module drives the camera lens to rotate within a preset angle range. According to the utility model, through the arrangement of the first linear module, the second linear module and the adjusting module, the pick-up lens can rotate in a preset angle range, so that the position of the pick-up lens can be adjusted more finely, the pick-up lens can be adjusted to the optimal shooting position, the shot picture is more accurate, and the shooting efficiency is improved. And the actual scribing precision can be improved.

Push-up handle (1), at least having: 1.1. a support plate (2) for placing the push-up handle (1) on a surface, 1.2. a handle unit (3) for supporting a user on the push-up handle (1), wherein 1.3. the handle unit (3) is movably mounted relative to the support plate (2) so that, on the one hand, a rotational movement about an axis of rotation (D) is possible and, on the other hand, the axis of rotation (D) is freely movable about a pivot point within a given solid angle, 1.4. a ball joint (6) which is connected on one side to the support plate (2) and on the other side to the handle unit (3), wherein the ball joint (6) defines the spatial angle in which the free movement of the handle unit (3) is possible, 1.5. a rolling bearing (5) which enables the rotational movement of the handle unit (3), wherein the axis of rotation (D) of the handle unit (3) passes through the longitudinal axis (L) of the ball joint (6) and the pivot point of the ball joint (6), and 1.6. at least one spring (7) is provided which holds the handle unit (3) in a neutral starting position, characterized in that 1.7. a rotation angle limiting device (10) is provided which limits the rotational movement of the handle unit (3) to a certain angular range.

A method by which a foldable electronic device providing feedback information for remote photographing is provided. The method includes executing a camera application for photographing a subject through at least one camera of the foldable electronic device, identifying whether a shaking state of the foldable electronic device is a stable state while a folding angle of the foldable electronic device is within a predetermined angle range, when the shaking state of the foldable electronic device is the stable state, analyzing an image obtained through the at least one camera and determining the quality of an image, identifying at least one other electronic device connected to the foldable electronic device through short-range wireless communication, generating feedback information about the image based on a result of determining the quality, when the at least one other electronic device is identified, selecting at least one feedback output device to output the feedback information to from among the at least one other electronic device, transmitting the feedback information to the selected at least one feedback output device, and when the at least one other electronic device is not identified, outputting the feedback information through the foldable electronic device.

The utility model relates to a wrench tool technical field discloses a kind of quick fixed nut wrenchs convenient to use in narrow space, including handle, the inside sliding connection of handle has driving mechanism, the inside recess of handle is equipped, the top of handle is fixedly connected with rotating mechanism, the front side fixedly connected with connecting block of rotating mechanism, the front side fixedly connected with adjusting mechanism of connecting block, the front side fixedly connected with square head of adjusting mechanism, the driving mechanism includes protective sleeve, the inside sliding connection of protective sleeve has support plate, the top of support plate is fixedly connected with spring one. In the utility model, the length of handle can be adjusted according to the depth of narrow space, the effect of easily stretching into narrow area is realized, the head of wrench and handle can be freely rotated within a certain angle range, and the effect that wrench can easily cope with various complex angles in narrow space is realized.

The invention relates to the technical field of industrial detection, in particular to a pin defect detection method, device and equipment and a medium. According to the method, based on pin target positioning, image segmentation is carried out on a pin image, form extraction is carried out on a pin area, an actual included angle between a central axis and a reference axis is calculated, whether the actual included angle is in a preset angle range is detected, and if the actual included angle is detected not in the preset angle range, the pin area is determined. And if so, determining that the corresponding pin has a bending defect. The method comprises the following steps: acquiring a pin image from an original image based on pin target positioning, segmenting to obtain a pin area, extracting morphological characteristics of the pin area to determine a central axis, determining a reference axis according to the pin image, and calculating an actual included angle between the reference axis and the pin image; and finally, determining whether the pin has a bending defect or not by judging whether the included angle is within a preset range or not. And performing morphological analysis on the pin image to determine an included angle between the central axis and the reference axis so as to complete defect detection of the pin.

An aircraft radome and radar assembly includes: a radome arranged on the nose of the aircraft; a radar inside the radome, the radar operating in the millimeter domain and including a transmission antenna for emitting a TM polarized wave and a reception antenna; the radome includes an integrated window in front of the radar, the window being of a material transparent to millimeter waves; the radar being arranged so the angle between the maximum gain direction of the transmission antenna and the normal to the window is within an angular range [θB−θ1; θB+θ2], with OB being the Brewster angle for an air / window interface, θ1 and θ2 determined to obtain reflectivity at said air / window interface less than a predefined threshold; and an isolation partition between the transmission antenna and the reception antenna, the isolation partition being substantially in contact with the window and with the radar.

The present invention relates to an apparatus (10) for the self-administration of therapies for the treatment of speech disorders comprising a stimulus delivery device (11,12) with a horizontal development substantially curved along an angular portion so as to outline a portion of a circle, comprising at least one panel (11) for the delivery of visual stimuli spatially distributed in an angular range substantially equal to the angular portion of horizontal development of the stimulus delivery device (11,12); at least one acoustic source (12) for the delivery of acoustic stimuli spatially distributed in an angular range substantially equal to the angular portion of horizontal development of the stimulus delivery device (11,12); and a local electronic processing unit configured to control the generation of visual and acoustic stimuli by means of the at least one panel (11) and the at least one acoustic source (12), and characterized in that it comprises at least one first acoustic detector (15) for detecting a reproduction of a verbal element produced by the patient, wherein the at least one first acoustic detector (15) is carried by the at least one panel (11) and positioned so as to detect acoustic signals generated in a space inside the portion of circle outlined by the stimulus delivery device (11,12).

The embodiment of the present application provides a grating structure, an optical waveguide device and a display device, and belongs to the technical field of display, the grating structure is arranged on the optical waveguide plate, the light in the optical waveguide plate is incident on the grating structure, the grating structure is used for changing the propagation direction of incident light or coupling out the incident light from the optical waveguide plate, the grating structure comprises: a plurality of sub-gratings arranged along a first direction and different in position;Wherein, the light-out angle range of at least two sub-gratings is different, the light-out angle range is the angle range of the light emitted by the sub-grating, and the angle range is the included angle range between the emitted light and the normal direction of the sub-grating. Through the grating structure, the optical waveguide device and the display device provided by the embodiment of the present application, the light efficiency waste caused by the grating structure can be reduced, and the light efficiency of the optical waveguide device is improved.