2results about How to "Remove shadows" patented technology

This invention discloses a reading and writing glasses with illumination function, belonging to the field of eyewear and intelligent lighting technology. It includes a frame, lenses, a left temple, a right temple, a power supply, and a control system. The outer side of the lens has a reading light-inlet slope and a reading light emitter, while the inner side has a writing light-inlet slope and a writing light emitter. The lens incorporates Type I and Type II scattering points to achieve directional and uniform light emission. The control system integrates a Hall sensor, a light intensity sensor, a distance sensor, a button switch, a touch sensor strip, and a micro-vibrator, providing dual-mode lighting for reading / writing, stepless dimming, ambient light adaptation, automatic power-off when the legs are closed, and posture vibration reminders. The lens surface is coated with multiple layers of anti-reflective, blue light-blocking, hardened, hydrophobic, and oleophobic films. This invention offers precise, shadowless illumination, ease of use, eye protection, and stable battery life, meeting the reading and writing lighting needs of students and office workers.

The utility model discloses a fisheye panoramic doorbell image center auxiliary verification device, which relates to the panoramic doorbell technology field, and comprises a verification box and a placing seat, the verification box is internally provided with a verification cavity, the inner side wall of the verification box is provided with a light-emitting member, the placing seat is arranged on the outer side surface of the verification box, and the verification cavity is provided with a light-emitting hole. The placement seat is provided with a verification hole, the verification hole is communicated with the verification cavity through a verification window formed in the side face of the verification box, and a lens of the fisheye doorbell observes the verification cavity through the verification hole; a closed controlled optical environment is formed by adopting the verification cavity arranged in the verification box and the light-emitting part arranged on the inner side wall, and light fluctuation, shadow and reflection interference of an external environment are eliminated through the uniform and controllable light source, so that the image sensor is ensured to acquire a stable calibration picture; and the fisheye doorbell can be quickly and accurately placed through the placing seat and the verification hole, so that repeated manual adjustment is avoided, and high-precision and high-efficiency calibration of the center of the fisheye image is realized.