53 results about "Light pen" patented technology

1. The name of the design product: light guide pen for physiotherapy. 2. The use of the design product: for acupoint physiotherapy. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: front view.

1. The name of the design product: the handle sleeve of electric pen. 2. The use of the design product: the handle sleeve for installing on electric pen. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that can best show the design points: the combination state diagram. 5. The design contains color.

The application relates to the field of visual detection, and provides a pose calculation method, an electronic device and a storage medium. The pose calculation method comprises the following steps: determining the predicted positions of a plurality of reference markers in a current frame image according to the positions of the plurality of reference markers on a light pen in a previous frame image; determining a first marker matched with each predicted position according to the positions of a plurality of first markers in the current frame image, the distance between the predicted position and the matched first marker being less than a preset value; calculating initial pose parameters of the light pen according to the positions of the first markers matched with each predicted position and the three-dimensional coordinates of the reference markers corresponding to each predicted position in a coordinate system of the light pen; and optimizing the initial pose parameters according to the three-dimensional coordinates of a second marker on the light pen in the coordinate system of the light pen and the actual position of the second marker in the current frame image, so as to obtain target pose parameters of the light pen, thereby avoiding a complex iteration process and improving the pose calculation efficiency.

1. Name of the designed product: handle of electric pen pliers. 2. Use of the designed product: handle of electric pen pliers. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. The name of the design product: beauty instrument (water light pen). 2. The use of the design product: for skin care. 3. The design points of the design product: design 1 lies in shape; design 2 lies in the combination of shape and color. 4. The picture or photo that best indicates the design points: design 2 front view. 5. Design 2 is designated as the basic design. 6. The scope of protection requested by design 2 includes color.

1. Name of the product in this design: Electric Pen. 2. Purpose of this design: For testing circuits. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present invention discloses a method for measuring the corrected deviation of a steel bridge deck unit based on a CMM light pen. The steel bridge deck unit includes a plurality of U-ribs, a plurality of diaphragms, and a top plate. The method includes the following steps: Step 1, plate unit parameter statistical numbering: after the steel bridge deck unit to be measured is welded, the number of U-ribs and diaphragms of the steel bridge deck unit is counted; Step 2, longitudinal measurement point and measurement area arrangement: including the steps of determining the longitudinal section, determining the longitudinal measurement points, determining the longitudinal measurement area, and matching the longitudinal measurement point and measurement area; Step 3, transverse measurement point and measurement area arrangement: including the steps of determining the cross section, determining the transverse measurement points, determining the transverse measurement area, and matching the transverse measurement point and measurement area. The present invention has accurate measurement results. The basic principle of the steel bridge deck unit corrected deviation measurement method proposed by the present invention is based on the CMM light pen device. The measurement equipment has high precision and high reliability.

The invention discloses a test fixture suitable for multiple types of photoelectric couplers, relates to the technical field of electronic component testing, and makes improvements aiming at the problems that an existing fixture is poor in adaptability and low in adjustment freedom degree and needs to be frequently replaced. The fixture comprises a bottom plate, a fixing mechanism, two sliding plates and a clamping assembly. The sliding plate can be close to or away from the fixing mechanism along the guide rod, the clamping assembly can vertically slide along the sliding plate sliding groove, and the angle is adjusted through damping overturning of the connecting part. The fixing mechanism is elastically pressed by a spiral spring, and the clamping part is elastically clamped by an arc-shaped clamping block matched with the spiral spring. The design realizes multi-dimensional adjustment, adapts to photoelectric couplers with different support leg distances and arrangements and various test probes, does not need to replace a clamp, is stable in fixation and simple and convenient to operate, remarkably improves the test efficiency and precision, and reduces the production test cost.

This invention relates to the field of coal gangue identification technology, specifically to a coal gangue identification device and method based on resistance inversion imaging; the coal gangue identification device includes a supporting side plate, a power supply upper plate, and a power measurement lower plate, wherein retractable injection pens are arranged in a matrix on the power supply upper plate; sampling electrodes are arranged in a matrix on the power measurement lower plate; each sampling electrode is connected to a short-circuit protection resistor. R The system includes an ammeter and a central processor and display. Through an array of injection pens and corresponding sampling electrodes, a multi-parallel resistance detection circuit is established in the vertical direction of the coal gangue material. This enables simultaneous adaptive full-envelope power feeding of a large number of irregular coal gangue materials. Based on resistance, a large number of coal gangue materials are identified simultaneously, and resistance and coal gangue image displays are displayed. This solves the problems of inaccurate monitoring when the surface of coal gangue materials is contaminated and the low efficiency of single-point identification, achieving a highly reliable and efficient identification technology for the resistance sensing and intuitive monitoring (display) of coal gangue materials.

The invention belongs to the technical field of full-automatic pencil sharpeners, and particularly relates to a full-automatic pencil sharpener, a pencil sharpening method and a chip. The full-automatic pencil sharpener comprises a pencil advancing and retreating mechanism, a knife rest assembly, a cutting transmission mechanism, a PCB control module and a braking mechanism, and the cutting transmission mechanism is provided with a pencil advancing and retreating mechanism braking triggering piece and a starting ejector rod; the PCB control module is provided with a pen feeding and retreating mechanism brake switch and a cutting motor starting switch, and the starting ejector rod abuts against the cutting motor starting switch to start the cutting motor; a PCB (Printed Circuit Board) control module, a cutting motor and a brake motor are arranged on the lower sides of the pen feeding and retracting mechanism brake triggering piece and the starting ejector rod; according to the pencil sharpening device, the problem that a pencil is broken during pencil sharpening of the full-automatic pencil sharpener is solved, the pencil sharpening function is achieved through the pencil feeding mechanism and the braking mechanism, the pencil does not move downwards any more, the pencil point is not broken, the pencil sharpening function of the pencil sharpener is better achieved, the smoothness of the sharpening portion of the pencil is improved, and the customer satisfaction degree is improved; the full-automatic pencil sharpener is suitable for an existing full-automatic pencil sharpener, and the pencil sharpening function of the pencil sharpener is optimized.

1. Name of the product in this design: Light Pen (Optical Tracking Type). 2. Purpose of this design: To be used in conjunction with a scanner for remote dot-mapping and hole positioning. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. Name of this product design: Electric Pen Reversing Double-Headed Pliers. 2. Purpose of this design: This design is used for cutting objects (such as cutting wires, excess leads of components, and is also often used to replace ordinary scissors to cut insulating sleeves, nylon cable ties, plastic burrs, etc.). 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present invention relates to an electric pen that is convenient for replacing the battery, including a front cover, an upper cover, a lower cover, and a rear cover. A circuit board, a first contact, and a probe are provided inside the lower cover board, and a third contact, a second contact, an IC controller, a support frame, a display screen, and a pressing switch are provided on the circuit board. In the present invention, the third contact, the second contact, the IC controller, and the display screen are all electrically connected to the circuit board. The IC controller is used to control the operation of the circuit board, enabling the electric pen to automatically shut down when there is no induced electric field or after 3 minutes of inactivity. Moreover, the electric pen can continue to be used without powering on, that is, the probe can be used to contact a live object, and the voltage on the live object will be displayed on the display screen to measure the contact voltage. Therefore, during the use of the electric pen, it is more convenient and power-saving, reducing the usage cost.

Disclosed are a projection picture control method for a projector, a remote controller, a projector, and a projection system, relating to the technical field of multimedia. The method comprises: a remote controller performs modulation coding on light emitted by a light source of the remote controller, and projects, to a projection picture of a projector, a light spot for indicating a control action on the projection picture. The projector acquires the light spot on the projection picture, projects, on the projection picture, a cursor for indicating the control action on the projection picture, and controls the projection picture on the basis of the control action. Compared with a user operating a light pen to implement projection being susceptible to natural light or environmental factors, the method provided by the present application is to capture, by means of the projector, the light spot emitted by the remote controller on the projection picture, and project a cursor onto the projection picture again on the basis of the light spot indicating control over the projection picture of the projector. Since the cursor is projected by the projector, the cursor can be visually and accurately displayed on the projection picture, and the control action can be presented on the projection picture, thereby improving the display effect of the projection picture.

1. Name of the product of this design: Toy (Magic Light Pen Set). 2. The purpose of this design product: children's play. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 combination status diagram. 5. Designate Design 1 as the base design.

1. Name of this product design: Automotive voltage tester. 2. Purpose of this product design: A test pen for testing circuits. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a circuit board open circuit detection device which comprises a bracket and further comprises an embedded detection assembly, the embedded detection assembly comprises a positioning box installed in the bracket, conducting strips are arranged on the two sides of the positioning box, electric connection rings are installed on the side edges of the conducting strips in a communicated mode, and inserting grooves are formed in the surfaces of the electric connection rings. A circuit board is inserted into the positioning box, an electroprobe is inserted into the slot, a wire is installed on one side of the electroprobe in a butt joint and communication mode, a multimeter is installed at the tail end of the wire in a communication mode, and a displayer and control keys are arranged on the surface of the multimeter. According to the utility model, through the arrangement of the embedded detection assembly, the traditional electric pen contact type detection is changed into an embedded installation detection mode. According to the detection mode, the surface circuit of the circuit board is effectively protected, meanwhile, the problem of poor point contact is avoided, and the detection precision is improved. Through the arrangement of the dustproof assembly, the circuit board is always in a dustless or low-dust environment in the detection process.

The utility model relates to the related field of air switch test tool devices, and particularly discloses an air switch test tool device, which comprises a terminal lock sleeve, an appearance detection cover, a test box and an electroprobe, the appearance detection cover is arranged on one side of the top of the test box, and an ampere meter is arranged on the other side of the top of the test box. The top of the ampere meter is connected with a terminal lock sleeve through a cable, and the end part of the terminal lock sleeve is provided with an electroprobe. The appearance detection cover is arranged on one side of the top of the test box, the camera is arranged in the middle of the top end of the appearance detection cover, the air switch can be directly placed through the appearance detection cover so that the appearance of the air switch can be detected, and the control panel is arranged on the front face of the test box so that the test can be conveniently and comprehensively controlled. A display screen is arranged on the front face of the ampere meter, the bottom of the ampere meter is connected with the mounting base through a plug, the top of the ampere meter is connected with a terminal lock sleeve through a cable, and a middle bayonet is formed in the middle of the terminal lock sleeve.

The utility model discloses a circuit detector, which relates to the technical field of electricity utilization and comprises a pen body, a first spring arranged in an inner cavity of the pen body, a metal end cap and a neon tube respectively arranged at two ends of the first spring, a resistor arranged at one end of the neon tube, and a probe arranged at one end of the resistor. The beneficial effects of the utility model are that the probe and the pen body cannot rotate relative to each other, the screwdriver effect is realized, the metal sheet is extruded towards the inner cavity of the pen body through the second spring, the metal sheet is always in contact with the resistor, the current access is realized, and the probe is prevented from being not in contact with the resistor after the electroprobe is used as the screwdriver, so that the probe is prevented from being damaged. And the detection effect cannot be realized.

1. The name of the design product: the main body of the light pen contact probe instrument (tracking type). 2. The use of the design product: the overall appearance is used for accurate measurement of parts, and the local appearance is used as the support body of the light pen contact probe instrument. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: this design is a partial design, the part shown by the dashed line in the view does not constitute part of the design to be protected, and the part shown by the solid line in the view represents the design to be protected.

1. The name of the design product: electric pen of screwdriver. 2. The use of the design product: for testing electric current, and for tightening and loosening screws. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

1. Name of the product in this design: Electric Pen. 2. Purpose of this design: For testing electricity. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present application relates to a chromatic confocal measurement device (1) comprising: —a light pen (4) comprising a lens (5) with axial chromatism, said light pen being configured to apply a light beam (3) to a surface (6), the light pen (4) having an input end (10) connected to a light source (2), and an output end (11) configured to be placed close to the surface (6); and —a camera (7) attached close to the output end (11) of the light pen (4), such that a portion of the light beam (3) originating from the light source (2) and emerging from the lens (5) with axial chromatism is blocked by the camera (7) at the output end (11) of the light pen (4), and such that another portion of the light beam (3) circumvents the camera (7) and reaches the surface (6).