7results about How to "Reduce focusing time" patented technology

The application discloses a driving motor, a camera module and an electronic device, and belongs to the technical field of camera modules. The driving motor comprises a shell, a carrier, a magnetic piece and a coil assembly. The carrier is located in the shell and is used for carrying a lens. The magnetic piece is connected with the carrier. The coil assembly is connected with the shell. The coil assembly comprises a first coil and a second coil. When the coil assembly is in a first energization state, the first coil and the second coil generate electromagnetic forces of the same direction on the magnetic piece, so that the magnetic piece drives the carrier to move. When the coil assembly is in a second energization state, the first coil and the second coil generate electromagnetic forces of opposite directions on the magnetic piece.

The invention relates to an active and passive combined microscope automatic focusing method. The method comprises the following steps: S1, carrying out automatic focusing; s2, acquiring the working distance of the microscope and the coded value data of the zoom motor; s3, calculating to obtain a theoretical coding value of the zoom motor; s4, the zoom motor is driven to rapidly reach the position close to the theoretical coding value, then the speed of the zoom motor is reduced, scanning is conducted in a small range, and meanwhile the FV value is calculated; s5, judging whether the maximum value of the FV is found or not, and if not, returning to S4; and if yes, completing focusing. According to the invention, an active and passive combined microscope automatic focusing method is adopted, the focusing position can be reduced through active focusing, then accurate focusing is realized through passive focusing, the focusing speed is high, and the precision is higher.

This application discloses a portable autofocus hyperspectral imaging system and method. The system includes a spectral data acquisition module, a spectral analysis module, a displacement platform, an inertial measurement module, and a control module. The spectral data acquisition module includes an adjustable focus lens, a beam splitter, a first collimating lens group, and an image sensor. The spectral analysis module is equipped with an electronic shutter, a slit, a second collimating lens group, a grating, a third collimating lens group, and an imaging element along the optical path. The displacement platform drives the spectral analysis module to perform internal scanning motion. The control module executes the autofocus algorithm, automatic exposure control, and multi-source data fusion and preprocessing. This application can improve focusing accuracy and spatial registration accuracy of spectral data in complex depth-of-field scenes, intelligently and adaptively adjust exposure parameters, compensate for geometric distortion, support unattended continuous operation, reduce the cost of ineffective operations, and improve the reliability and usability of hyperspectral data.

The utility model discloses an eye focusing system and diagnostic equipment, comprising a detection mechanism, detection light, a photoelectric position sensor assembly, a positioning assembly and a main control board. And the detection mechanism is arranged on the positioning assembly and is used for detecting eyeballs. The positioning assembly is electrically connected to the main control board and is used for adjusting the spatial position of the detection mechanism. The detection light is electrically connected to the main control board and is used for providing light in the system. The photoelectric position sensor assembly is electrically connected to the main control board and used for converting light information in the system into space information. The technical scheme of the utility model has the advantages of saving the cost of the eye focusing system and quickly focusing.

The embodiment of the invention provides a code scanning method which is applied to electronic equipment, the electronic equipment comprises a distance measuring module and a camera module, and the method comprises the following steps: after a first operation of a user is received, the electronic equipment starts a code scanning application in response to the first operation. And the electronic device receives a second operation of the user on the code scanning application, starts the camera module in response to the second operation, and controls the distance measurement module to measure the distance between the electronic device and the target barcode. Based on the distance between the electronic device and the target bar code, target movement parameters of the camera module are determined, and the target movement parameters comprise a target focal length when the camera module recognizes the target bar code and a target movement position of a motor located in the camera module when the camera module recognizes the target bar code. And identifying the target bar code based on the target movement parameter. According to the invention, the distance measuring module can be controlled in parallel to measure distance while the camera module is started, so that the time for the camera module to shoot the target bar code to focus and zoom is shortened, and the code scanning efficiency is improved.

The invention discloses an automatic focusing method for a self-adaptive device, relates to the technical field of image focusing, and solves the problems of complicated manual focusing operation, low efficiency, insufficient precision and poor adaptability of an existing PCR instrument. According to the method, the optical inspection consumables of different specifications can be quickly and accurately focused, particularly, the global definition of the image is ensured through the horizontal calibration step, and the situation that the overall image quality is affected due to blurred edges is avoided. The overall design not only simplifies the operation process and improves the working efficiency, but also remarkably improves the accuracy and reliability of fluorescence detection, and is particularly suitable for the fields of medical diagnosis, gene detection and the like with extremely high requirements on the global definition of images.

This utility model relates to a focusing device for a lidar emitter plate, comprising a lidar emitter clamping module for clamping and moving the emitter plate. Below the lidar emitter clamping module is a glue removal-power supply module, which supplies power to the emitter plate, periodically removes residual glue from the dispensing needle, and provides calibration for the dispensing needle. Above the lidar emitter clamping module is a UV dispensing three-axis module, used for dispensing glue and UV curing on the emitter plate. One side of the UV dispensing three-axis module is a laser emission path module, used to guide and adjust the laser emission path. The other side of the UV dispensing three-axis module is equipped with a dispensing controller and a UV controller. This utility model solves the problem that both manual and semi-automatic focusing require multiple adjustments and verifications by operators, resulting in long focusing times and difficulty in meeting the needs of large-scale production.