344 results about "Laser pointer" patented technology

Systems and methods for annotating, also known as tagging, visually identifiable objects using natural language (i.e. spoken voice) are provided. More specifically, but not exclusively, this disclosure relates to systems and methods for tagging identified objects related to underground utilities and assets, and communication systems. Once tagged, data representing identified objects can be stored, transmitted, and / or mapped. In an exemplary embodiment, a utility service worker or other personnel may walk or drive around an area of interest using utility locating equipment or systems to collect data. As data is being collected, the user may visually identify utility related or other items using a laser pointer, and then use their voice to tag items of interest. A headset including a microphone may be provided for capturing the user's voice. Hardware and / or software may be provided for processing tagged items, and relating them to a specific location, and / or utility asset.

The invention relates to the technical field of roadbed observation, in particular to a roadbed settlement observation device and a use method thereof. The device comprises a mounting rack, a supporting mechanism, an adjusting frame, a mounting shaft, a mounting table and an adjusting mechanism, the top of the mounting rack is fixedly connected with a supporting rod; the top end of the supporting rod is fixedly connected with a supporting frame; the supporting mechanism is arranged below the mounting frame; the adjusting frame is arranged in the supporting frame; the mounting shaft is arranged in the adjusting frame; the bottom of the mounting table is fixedly connected with the mounting shaft; a laser pen is arranged at the top of the mounting table; the number of the adjusting mechanisms is two, one adjusting mechanism is arranged on the supporting frame and used for limiting the supporting frame, and the other adjusting mechanism is arranged on the adjusting frame and used for limiting the mounting shaft. Through cooperative arrangement of the supporting frame, the adjusting frame, the rotating shaft, the mounting shaft, the adjusting ball and the mounting table, rapid adjustment of the position of the laser pen is achieved, operation is convenient, and the subgrade settlement measurement precision is guaranteed.

The invention discloses a centering device for pier column reinforcement cage hoisting, and relates to the technical field of pier column reinforcement cage installation. Comprising a positioning piece and a centering piece, the positioning piece is installed at the bottom of a pile foundation pit where a pier column reinforcement cage needs to be placed, and the centering piece is installed on the pier column reinforcement cage. Wherein a laser pen is installed on the positioning piece, the laser pen and the pile foundation pit are coaxially arranged through the positioning piece, a positioning cone is installed on the centering piece, and the pier column reinforcement cage is placed in the pile foundation pit in a hoisting mode. By means of the positioning piece and the centering piece, a constructor can visually judge the centering condition of the pier column reinforcement cage, in the hoisting process, the reinforcement cage can be accurately adjusted to the position coaxial with a pile foundation pit by observing the light spot position in real time, the installation precision of the pier column reinforcement cage is ensured, and the construction efficiency is improved. The problems of uneven structure stress and the like caused by position deviation are effectively avoided, and the construction quality and stability of the pier column are improved.

The utility model discloses an experimental device for measuring laser wavelength by using double-slit interference, which belongs to the technical field of teaching aids and comprises a base, a first horizontal sliding track is arranged on the base, and a gradienter is arranged on one side of the base; the first support is arranged on the base, and the fixing clamp is arranged at the top end of the lifting rod set. The laser pen is fixed through the fixing hoop, and the ray of the laser pen is parallel to the first sliding track; the second support is in sliding connection with the first sliding rail, and a horizontal second sliding rail is arranged on the second support; the fixed support is in sliding connection with the second sliding track, and the double slits are arranged on a ray path of the laser pen; the laser range finder is arranged in the mounting groove, and the ray direction of the laser range finder is the same as that of the laser pen; the screen is arranged on a ray path of the laser pen, and the screen and the laser pen are respectively arranged on two opposite sides of the double slit. The laser pen is adopted as a light source, rays are stable, double-slit movement is simple, and debugging is convenient.

The present invention relates to a non-contact calibration device and method for the workpiece coordinate system of a robotic arm. The calibration method includes the following steps: Install three laser pointers on the robotic arm and make the emitted laser beams intersect at a point to form a laser intersection point; Adjust the attitude of the laser pointers so that the laser intersection point is located below the tool; Install a camera on the robotic arm and set the camera towards the end of the tool and the laser intersection point; Use the laser intersection point to calibrate the calibration coordinate system on the workpiece surface. During the calibration process, use the camera to capture video data of the end of the tool and the laser intersection point and display it; According to the distance between the laser intersection point and the end of the tool, convert the calibration coordinate system into the workpiece coordinate system, thereby completing the non-contact calibration of the workpiece coordinate system. The present invention uses the laser intersection point to replace the end tool of the robotic arm, solving the problem that the tool cannot directly contact the ground or the workpiece. The calibration method is simple to operate and the calibration result has high accuracy.

The utility model discloses a coal mine underground accurate simple height difference measuring instrument, which comprises a laser orientation instrument, a box staff, a circular level and a connecting buckle, the laser orientation instrument is vertically connected to a staff body of the box staff through the connecting buckle, and the connecting buckle can be clamped and fixed at any height position of the box staff. And the connecting buckle is used for fixing the circular level above the clamped laser orientation instrument. The measuring instrument is simple in equipment and easy to carry, does not occupy a large amount of manpower and material resources, improves a traditional measuring mode, meets the construction requirement for measuring result precision, and plays a certain reference and innovation role in the later measuring field.

The utility model discloses a projection measuring device, which relates to the technical field of anti-glare panel measurement and comprises a support, a measuring plate is fixedly arranged at the bottom of the support, and the measuring plate is electrically connected with a display screen. The device further comprises a measuring mechanism used for assisting in measuring the size of the product, a first mechanism capable of longitudinally adjusting the measuring mechanism and a second mechanism capable of transversely adjusting the measuring mechanism. In the implementation process, when a certain measuring point position of the anti-glare panel needs to be measured, the laser pen can be moved to the same longitudinal section with the measuring point position through the longitudinal driving motor, the laser pen is started, the laser pen is driven by the transverse driving motor to transversely penetrate through the position over the measuring point, and then the measuring point position is measured. The measuring plate is responsible for monitoring the laser receiving area, calculating the shadow size and transmitting information to the display screen, so that the transverse size of the anti-glare panel at the measuring point position is obtained, manual measurement is not needed, and the measuring efficiency, accuracy and reliability are improved.

The utility model relates to the technical field of globes, and particularly discloses a globe capable of accurate positioning, which comprises a sphere, a support, a base, a laser lamp and a lamp strip, the lamp strip is arranged on the inner surface of the sphere, and the lamp strip surrounds different countries and regions on the sphere; the voice recognition module is installed in the base and used for conducting semantic recognition on voice of a user. The loudspeaker is mounted in the base and is used for outputting a corresponding audio band according to the voice of a user; the main board is installed in the base and used for extracting keywords of user voice and displaying corresponding positions in a highlight mode, controlling the ball body to rotate and display the corresponding positions and synchronously controlling the laser pen to irradiate the position, mentioned currently, of the audio segment according to the output audio segment. According to the utility model, the position corresponding to the voice of a user is displayed by rotating the globe, the related position of the introduction can be displayed through real-time irradiation of the laser pen while the introduction audio is output, the position can be accurately displayed, and the interactivity in the use process of the user is improved.

This invention provides a testing device and method for testing the maximum driving speed of a weapon station artillery piece. The testing device includes a testing box and a laser pointer. The laser pointer is coaxially mounted on the muzzle. The testing box contains a power module, a maximum driving speed test board for elevation and azimuth, and a maximum driving speed test board for azimuth. Four photosensitive modules and a stopwatch are arranged on the same panel of the testing box. Two photosensitive modules are symmetrically arranged at the top and bottom and left and right positions of the panel, respectively, to convert the received laser signals into electrical signals and transmit them to the maximum driving speed test board for elevation and azimuth or the maximum driving speed test board for azimuth, thereby controlling the start or end of the stopwatch. Based on the elevation and azimuth angles and the stopwatch display time, the maximum driving speed of the artillery piece for elevation downward and upward, and azimuth left and right is calculated. The device of this invention has high testing efficiency and accurate test results, overcoming the problems of complex and error-prone existing testing processes.

The utility model relates to the technical field of optical measurement, and discloses a laser angle measuring tree height measuring instrument which comprises a scale base, a measuring mechanism is installed on the top of the scale base and used for detection and measurement, and a plurality of telescopic mechanisms are installed on the front side and the rear side of the bottom of the scale base at equal intervals. The telescopic mechanism is used for adjusting the height of the scale base; the measuring mechanism comprises a fixed short piece, the fixed short piece is installed on the top of the scale base, a supporting column is fixedly connected to the middle of the inner wall of the fixed short piece, and an arc-shaped support is fixedly connected to the top end of the supporting column. According to the utility model, the laser pen aims at the top of a tree, and the electronic protractor measures an angle alpha; the measuring mechanism is moved to the left inserting groove, the angle beta is measured after leveling, the distance L between two points of the scale of the base is read, the tree height is calculated through a formula, the instrument is made of a laser pen and an electronic protractor which are common objects, the cost is smaller than 100 yuan, operation is easy and convenient, and the instrument is worthy of popularization.

The invention relates to a front sight laser aiming auxiliary device which is used for guiding a kirschner wire to present a point-shaped perspective shadow on a C-arm screen in an orthopedic operation, and belongs to the technical field of medical instruments. The device aims at solving the problems that in traditional Kirschner wire perspective point forming operation, repeated perspective depends on the experience of an operator, radiation exposure is large, and operation precision is difficult to guarantee. The device mainly comprises a front sight base which can be fixed on the surface of a receiver of the C-arm machine, wherein a ball head base is arranged in the center of the front sight base; and the ball head laser indicator is arranged on the base and is adjustable in laser direction. When in use, the perspective image is adjusted to the central position of the front sight on the screen by moving the metal point on the operating table. Installing a laser lamp, adjusting the laser lamp to irradiate on a metal point on an operating table, and screwing a nut to fix the position of the laser lamp at the moment. Therefore, a visible laser guide line coinciding with the path of the target X-ray beam is established. And an operator only needs to adjust the guide needle along the laser ray and place the guide needle, so that the guide needle can be stably developed in a point shape in a perspective image, and accurate and rapid screw guide needle placement is realized. The device is simple in structure, low in cost, intuitive in operation, capable of remarkably reducing intraoperative radiation and reducing dependence on experience of operators, and suitable for being used in hospitals of all levels to carry out precise orthopedic surgery under perspective guidance.

1. Name of the Design Product: Laser Pointer (for Computer Teaching). 2. Use of the Design Product: For computer teaching demonstrations. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.

The utility model relates to the technical field of instrument detection, in particular to a flame detector capable of displaying the detection range of an instrument, which comprises an instrument body, and a sensor array used for receiving flame signals is arranged in the instrument body. The instrument body is provided with a laser scribing mechanism, and the laser scribing mechanism comprises a turntable positioning seat, a turntable, an angle seat, a first laser pen and a second laser pen; the angle seat is provided with a central hole corresponding to an instrument detection center and a scribing hole corresponding to an instrument detection edge, the first laser pen is arranged in the central hole, and the second laser pen is arranged in the scribing hole; compared with the mode that a flame detecting instrument adopted in the traditional technology can only estimate the detection range during working, laser hinting scribing operation is added, the instrument detection range is clearer and more visible, the operation difficulty of on-site construction personnel is lowered, the on-site operation safety of the construction personnel is greatly improved, and therefore the flame detecting instrument has excellent practicability.

The utility model discloses a multi-angle tightening tool for motor manufacturing, and relates to the technical field of tightening tools, the multi-angle tightening tool comprises a bottom plate and an electric sleeve, a position adjusting assembly is arranged, a first electric telescopic rod is controlled to drive the electric sleeve to move left and right, and a second electric telescopic rod is controlled to drive the electric sleeve to move front and back; the position of the electric sleeve can be conveniently adjusted according to the to-be-tightened part of the motor shell, dust is not prone to being accumulated on the surface of the position adjusting assembly, cleaning is easy, the laser pen is arranged, and the laser pen downwards emits laser and moves along with horizontal movement of the electric sleeve; according to the electric sleeve tightening device, the electric sleeve can be moved to the position over the to-be-tightened part of the motor shell, so that the auxiliary positioning effect is achieved, the overturning assembly is arranged and can drive the motor shell to overturn and limit and fix the motor shell again, the angle of the motor shell is conveniently adjusted, and the physical strength of workers is saved.

1. The name of the design product: Finger Rotating Laser Pointer (Magic Wand). 2. The use of the design product: For laser pointers. 3. The design key points of the design product: Lie in the shape. 4. The picture or photo that best shows the design key points: The three-dimensional view.

The application discloses a laser pointer indicating data marking method, device and equipment and a computer storage medium, and relates to the technical field of display. The method is applied to marking data indicated by a laser pointer on a display device. The display device comprises a light ray sensing device. The method comprises the following steps: positioning a laser point projected on the display device by the laser pointer according to light ray information collected by the light ray sensing device; and marking first display data corresponding to the laser point in the case that the laser point is positioned. The method can enable remote participants to share a presentation position indicated by the laser pointer on the display device, thereby solving the problem of low conference efficiency caused by the fact that remote participants cannot share a current presentation position.

The utility model provides a precise circuit board paster high-speed welding tool, which relates to the technical field of electronic processing, and comprises a welding base, a high-speed welding assembly is arranged on the outer side of the welding base, a longitudinal electric lead screw is arranged on the inner side of a left guide frame, a driven supporting rod is welded on the inner side of a right guide frame, and the driven supporting rod is arranged on the outer side of the welding base. A longitudinal sliding rod is connected between the longitudinal electric lead screw and the driven supporting rod, a transverse support is welded to the lower side of the longitudinal sliding rod, a transverse electric lead screw is installed on the lower side of the transverse support, and a transverse sliding block penetrates through the middle of the transverse electric lead screw. The high-speed welding assembly and the electric control hydraulic rod drive the temperature controller and the welding needle to ascend and descend, so that the welding height can be automatically adjusted through an external computer, accurate temperature control and accurate positioning of a welding point are achieved, high efficiency and quality of the welding process are guaranteed, and the laser pointing device points to the welding point of the welding needle all the time.

The utility model provides a laser pen, and relates to the technical field of laser pens. The laser pen comprises a tube body and a base, the tube body is of a hollow structure, and the base is connected to the first end of the tube body to form a containing cavity; a laser diode for emitting a laser beam is arranged in the accommodating cavity, and the laser diode emits the laser beam from the second end of the tube body; the first end of the pipe body is provided with at least one through groove which is provided with a bent part, and one end of the through groove is communicated with the outside. The side wall of the base is provided with a protruding part corresponding to the through groove, and the protruding part can be clamped in the bent part of the through groove so that the base can be connected with the pipe body. According to the laser pen, through cooperation of the protruding part and the through groove, loosening and falling of the base and the tube body can be avoided, the connection stability of the base and the tube body is improved, and the assembly process of the base and the tube body is simple and convenient.

The utility model relates to an auxiliary calibration device for a laser pen. The auxiliary calibration device comprises a connecting piece, a rotating block and a fastening piece, the connecting piece is located on the lower portion and used for being connected with an empty end pod. Three bolt holes are uniformly distributed in the connecting piece; the rotating block is arranged above the connecting piece, two through holes and a screw hole are formed in the rotating block, the through holes correspond to the bolt holes located in the two sides of the connecting piece, and the size of the through holes is larger than that of the bolt holes, so that the rotating block can rotate by a certain angle relative to the connecting piece in the horizontal position; the fastener and the laser pen are fixed through adhesive glue. Four through holes corresponding to the threaded holes are formed in the fastening piece, bolts with springs are arranged on the fastening piece, and the relative positions of the fastening piece and the rotating block are adjusted in the mode that the bolts penetrate through the through holes and are screwed into the threaded holes. The device is simple and practical in structure, can adjust the pitching and azimuth angles of the laser pen through the adjusting bolt and the rotating block, and is high in applicability.

The invention discloses a non-contact handwriting device based on an ultraviolet specific image sensor and a preparation method, and relates to the technical field of image sensing and human-computer interaction. Comprising a glass substrate 1, a transparent thin film transistor array 2 formed on the substrate, a photosensitive material layer 3 formed on the thin film transistor array, and an ultraviolet curing adhesive packaging layer 4 covering the photosensitive material layer. A light-sensitive material is a Bi2S3 material with a wavelength selective light current memory characteristic, generates long-time light current maintenance based on a photo-thermal electric effect in an ultraviolet band, rapidly attenuates in visible to near-infrared bands, and has ultraviolet input selectivity and ambient light anti-interference capability. According to the system, an ultraviolet laser pen is used as an input tool, handwriting patterns which can be kept for a long time are formed on an image sensor array, and image erasing based on a background normalization mechanism is supported. The image sensor array is composed of synaptic-like devices, has a long-term optical memory characteristic, and realizes integration of perception and storage.

The application discloses an online proton imaging ion spectrometer diagnosis system, relates to the fields of plasma physics and nuclear detection, and comprises an online proton imaging module, an online Thomson ion spectrometer module and a shielding aiming module; the shielding aiming module comprises a shielding cavity and an aiming laser pen; the online proton imaging module comprises a metal filter, a first scintillator and two proton imaging acquisition assemblies; the proton imaging acquisition assembly comprises a first optical fiber panel attached to the first scintillator and a first CMOS sensor attached to the first optical fiber panel; the online Thomson ion spectrometer module comprises an ion beam deflection mechanism and an ion spectrum diagnosis acquisition assembly; the ion spectrum diagnosis acquisition assembly comprises a light-proof aluminum film, a second scintillator, a second optical fiber panel and a second CMOS sensor which are sequentially and superposedly arranged. The application reduces the size of the whole system, can simultaneously carry out online proton imaging and ion energy spectrum diagnosis, and can effectively prevent radiation damage to the CMOS chip.

The invention is suitable for the technical field of laser detection, and provides an underwater laser detection bearing adjusting device erected on an ice surface, which comprises a transmitting end, a receiving end and a connecting belt, the transmitting end comprises a transmitting end bracket, an adjusting mechanism, a laser pen and a laser transmitting device; the adjusting mechanism comprises a direction adjusting mechanism and a pitching adjusting mechanism, the pitching adjusting mechanism is arranged on the transmitting end support through the direction adjusting mechanism, one end of the pitching adjusting mechanism is connected with the laser transmitting device through a first connecting assembly, and the laser pen is arranged at the other end of the pitching adjusting mechanism; the receiving end comprises a receiving end support, a reflector, a diaphragm mechanism and a laser receiving device. The diaphragm mechanism and the laser receiving device are both arranged on the receiving end support. According to the invention, through pre-alignment of the laser pen and the diaphragm mechanism and combination of bidirectional precision adjustment, precise transmission of a light path is ensured, and the device is suitable for scenes of under-ice detection and the like and has the characteristics of light weight, rapid installation and adjustment and high environmental adaptability.

The utility model discloses an axial correction device for pipe jacking construction, which relates to the technical field of pipe jacking construction and comprises a mounting plate and clamping wheels, one clamping wheel is rotatably connected with the mounting plate, the other clamping wheel is slidably connected onto the mounting plate through a connecting piece, and the other clamping wheel is rotatably connected with the connecting piece. The mounting plate is further provided with a driving piece for driving the connecting piece to slide, and connecting columns are fixed to the rear side, away from the clamping wheel, of the mounting plate and the rear side, away from the clamping wheel, of the connecting piece. A worker only needs to enable the two clamping wheels to clamp the inner side and the outer side of a pipeline so that the laser pen can accurately stay in the middle position of the pipe wall, operation and adjustment do not need to be conducted again, the middle position of the pipe wall can be accurately obtained, position deviation caused by manual judgment is not likely to happen, use is more convenient, and the working efficiency is improved. And accurate position determination is more beneficial to accurate axial installation position calibration of the pipe jacking oil cylinder.

The utility model discloses a composite multilayer board processing multi-angle adjusting device, which comprises a workbench and an adjusting seat, the outside of the adjusting seat is provided with a precision detection mechanism, the precision detection mechanism comprises a mounting sleeve, a laser pen, a light hole, an assembling hole and an assembling column, the top of the workbench is provided with an annular rotating groove, the inner cavity of the annular rotating groove is provided with a rotating ring, and the rotating ring is provided with a rotating shaft. The top of the rotating ring is provided with a precision detection plate, the front face of the precision detection plate is provided with a precision detection hole, the top of the workbench is provided with an annular mounting groove, an inner cavity of the annular mounting groove is provided with a scale ring, the front face of the precision detection plate is provided with an indicating rod, and the front face of the annular rotating groove is provided with a locking assembly. According to the multi-angle adjusting device, the precision detecting mechanism is arranged, and the mounting sleeve, the laser pen, the assembling column, the rotating ring, the precision detecting plate, the precision detecting hole and the scale ring are matched with one another, so that a worker can be assisted in detecting whether the adjusting precision of the multi-angle adjusting device in the automatic processing equipment is reduced or not, and the quality of the processed composite multilayer board is ensured.

The utility model relates to the technical field of track detection equipment, in particular to a visual detection device for a crane track. The detection device comprises a light beam emitting device and a light beam receiving device, the light beam emitting device comprises a first chassis, a first shell is installed on the first chassis, a first main control circuit board and a laser pen are arranged in the first shell, and a first track clamping assembly is arranged on the first chassis; the light beam receiving device comprises a second chassis, a second shell is installed on the second chassis, a second main control circuit board, a camera and a walking assembly are arranged in the second shell, a laser target is arranged at one end of the second shell, the camera faces the laser target and is coaxial with the laser target, and a second track clamping assembly is arranged on the second chassis. The device is divided into the reference light source and the detection vehicle, the distance between the side wheels on the two sides is adjusted through the track width adjusting mechanism on the device, the wheels on the two sides of the device are clamped and matched with tracks with different widths, and therefore the application range of the device is enlarged.

The invention discloses a laser spot relative position measurement-based CA type five-axis machine tool rotating shaft zero error and axis error measurement compensation method. The method comprises the following steps of S1, detection system preparation: clamping or fixing a laser pen to a main shaft; s2, the A-axis zero error is measured and compensated, wherein the A-axis zero error is defined as the angle deviation between the actual posture and the theoretical ideal posture of the execution tail end of the machine tool when the rotating shaft is set to be at the 0-degree reference position; s3, measuring and compensating a C-axis zero error, wherein the C-axis zero error is defined as the angle deviation between the actual posture and the theoretical ideal posture of the execution tail end of the machine tool when the rotating shaft is set to be at the 0-degree reference position; s4, performing measurement compensation on the deviation of the A axis-main axis rotation center line in the Y direction; s5, measuring and compensating the deviation of the C-axis-main axis rotation center line in the Y direction; and S6, performing measurement compensation on the deviation of the C-axis-main axis rotation center line in the X direction.

1. Name of the design product: shoe flower buckle (laser pen A). 2. Use of the design product: shoe decoration. 3. Design points of the design product: in the perspective view. 4. Picture or photo that best indicates the design points: perspective view.

This invention discloses a method, device, and storage medium for directional device identification and control based on vision and spatial perception, belonging to the field of intelligent control and human-computer interaction technology. The method is applied to portable terminals, achieving "point-and-shoot" by using a coaxially integrated laser and camera module to acquire target images containing laser pointer spots. To address the identification challenges caused by differences in target object size and distance, the method proposes multi-scale adaptive region extraction, generating and matching multiple candidate regions centered on the laser pointer spot. Simultaneously, to eliminate control ambiguities for similar devices in different rooms, the method innovatively utilizes smart home device nodes in known locations within the environment as Bluetooth beacons, achieving zero-deployment-cost collaborative spatial perception and obtaining the terminal's precise spatial location. Finally, by jointly querying and adjudicating the visual recognition results and spatial location information, the target device is uniquely identified and control commands are generated. This invention achieves intuitive interaction with zero learning costs, solving the problems of complexity and confusion in traditional control methods. It has advantages such as accurate identification, fast response, simple deployment, and privacy security, making it particularly suitable for smart home and smart elderly care scenarios.

The utility model provides a wear-resistant lining plate drilling device, and belongs to the technical field of wear-resistant lining plate machining. The wear-resistant lining plate drilling device comprises a base and a positioning assembly. A movable lifting part is arranged on the upper surface of the base, a connecting plate is arranged at the movable end of the movable lifting part, a motor is arranged on a plate body of the connecting plate, and a drill bit is arranged at the rotating end of the motor. The positioning assembly comprises a sliding rod, a positioning ring, a limiting ring and a laser designator, during use, the laser designator emits laser to irradiate a lining plate needing to be drilled, then the lifting piece is moved to drive the connecting plate to move downwards, the drill bit can penetrate through the positioning ring to drill the lining plate, the laser designator and the drill bit are coaxially arranged, and the positioning ring is arranged on the limiting ring. The laser indicator emits laser to accurately know whether the drill bit is aligned with the position needing to be drilled or not, so that drilling errors are not prone to occurring, holes are not prone to deviation, the abrasion-resistant lining plate is not prone to being scrapped, and the reject ratio of drilling can be reduced.

1. Name of the product in this design: Laser pointer phone holder. 2. Purpose of this design: For use as a mobile phone holder with laser pointer function. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.