6results about How to "Improve imaging stability" patented technology

This utility model discloses a transformer skeleton detection device, comprising: a conveyor belt, a guiding mechanism, a limiting component, and a moving component. The upper end of the conveyor belt is provided with a guiding mechanism for guiding the transformer skeleton. The conveyor belt is also provided with a limiting component for limiting defective transformer skeletons. The moving component removes the defective transformer skeleton from the conveyor belt. This utility model, by providing a guiding mechanism for guiding the transformer skeleton, has an adjustable width function to accommodate transformer skeletons of different sizes, facilitating the detection of transformer skeletons of different sizes and improving the device's adaptability. Simultaneously, the guiding mechanism has an automatic alignment and correction mechanism to ensure that the transformer skeleton is always centered during transport, avoiding detection errors or jamming due to tilting or offset during transport, and improving the imaging stability of the CCD inspection camera.

The application provides a stomach filling ultrasonic image optimization device, and relates to the technical field of medical devices and ultrasonic image auxiliary. The stomach filling ultrasonic image optimization device comprises a fixing bandage, an adaptive pressurizing assembly is arranged in the middle of the fixing bandage, an acoustic coupling assembly is connected to the bottom of the adaptive pressurizing assembly, an ultrasonic probe adaptive module is arranged in the acoustic coupling assembly, a main control unit is fixedly connected to the inside of the adaptive pressurizing assembly, and the main control unit is electrically connected with the adaptive pressurizing assembly and an ultrasonic host through wires. In the application, accurate positioning and hands-free are realized through probe preset locking and bandage fixing, water bag adaptive fitting, micro exhaust groove bubble removal and acoustic coupling optimization, image analysis and mechanical feedback double-driven closed-loop automatic pressure searching, and the pressure reaches the safety upper limit to force shutdown, and the imaging quality and examination safety are considered.

This invention discloses a rapid quantitative differential interferometry microscopy system and method based on holographic recording. The system includes a partially coherent illumination module and, sequentially arranged along the optical axis of the partially coherent illumination module, a microscope objective, a microscope tube lens, a transmission grating, a first linear polarizer, a first thin lens, a half-wave plate, a light-shielding plate, a phase-type spatial light modulator, a second thin lens, a second linear polarizer, and an image acquisition module. This invention utilizes a phase-type spatial light modulator to achieve shear shifts in any direction and to any degree, making it suitable for various applications. The system uses the grating carrier frequency to achieve holographic recording of differential interferometry, enabling quantitative differential interferometry detection of the sample using only two acquired images. It exhibits very high temporal resolution, spatial resolution, and imaging accuracy, showing broad application prospects in biological imaging and industrial detection.

The invention discloses a physiological gating system for a nuclear magnetic resonance environment, and belongs to the field of human body physiological signal acquisition and nuclear magnetic resonance gating. Comprising a physiological signal acquisition module and a physiological signal processing module, the physiological signal acquisition module and the physiological signal processing module are both controlled by an FPGA, and data are wirelessly transmitted between the physiological signal acquisition module and the physiological signal processing module; the physiological signal acquisition module comprises an electrocardio acquisition module, a pressure sensor module, a photoelectric blood oxygen acquisition module, an acquisition module FPGA (Field Programmable Gate Array) and a wireless communication module; the physiological signal processing module comprises a processing module FPGA, a wireless receiving module and a gating output interface. The physiological gating system for the nuclear magnetic resonance environment has the beneficial effects that the physiological gating system for the nuclear magnetic resonance environment is provided, synchronous acquisition of three physiological signals of electrocardio, respiration and blood oxygen is realized, a multifunctional fusion gating strategy is adopted, and the imaging stability is improved.

This invention discloses a high-resolution microscope objective with a large numerical aperture and a wide field of view, comprising a front converging group with positive optical power, an aberration correction group with negative optical power, and a rear imaging telecentric group with positive optical power arranged sequentially from the object side to the image side. The front converging group is responsible for the initial convergence of object-side rays, laying the foundation for large field of view and high numerical aperture imaging. The aberration correction group is the core of the system's aberration correction, which can effectively correct field curvature, distortion, and chromatic aberration. The rear imaging telecentric group is responsible for the final high-performance imaging and ensures the telecentric characteristics of the object side. It simultaneously achieves flat field, low distortion, and apochromatic aberration under an ultra-wide field of view to ensure the imaging quality of the objective and can better meet the wide field of view and high-resolution precision measurement needs of fields such as semiconductor detection.

The application relates to the field of X-ray three-dimensional imaging technology, in particular to a low-vibration high-stability submicron CT frozen three-dimensional imaging device. The application comprises an in-situ device base, a Dewar flask, a support disc, a hollow red copper pipe, a red copper bundle, a sample clamp hollow column, an adjustable sample clamp, a high-transparency imaging area module, a heat preservation movable cover and a temperature monitoring system. The Dewar flask is arranged on the in-situ device base and is used for storing liquid nitrogen. The support disc is fixed in the Dewar flask through screw threads, the support disc is provided with a support through hole, and the hollow red copper pipe is fixed in the support disc through a loose screw. The three-dimensional imaging device can significantly improve the imaging stability. The built-in Dewar flask and the double-path cooling design can eliminate external vibration, provide a stable environment for long-time and high-resolution scanning, and simplify the device. The laboratory safety and experimental efficiency are improved.