72results about How to "Good camera" patented technology

The invention discloses a self-cleaning high-speed monitoring camera. The camera comprises a camera body, a ventilation cavity is formed in the lower end of the camera body in a penetrating manner; axial flow fan blades are mounted at the two ends of the ventilation cavity; the two axial flow fan blades synchronously rotate through a connecting shaft; The side wall of the camera body is provided with a first sliding groove and a device cavity. The device cavity is located below the first sliding groove. A reciprocating lead screw is rotationally connected to the inner top of the first slidinggroove, the lower end of the reciprocating lead screw penetrates through the inner bottom of the first sliding groove and extends into the device cavity, a gear is fixedly connected to the lower end of the reciprocating lead screw, a lead screw nut is installed on the reciprocating lead screw, and the lead screw nut is connected to the inner wall of the first sliding groove in a sliding mode. Thecamera is novel in conception, solves the problem that the mirror surface of the camera on the highway is fuzzy due to the fact that dust gradually adheres to the surface of the camera, and has the advantages of automatically cleaning stains and keeping the shooting surface of the camera clean all the time.

The invention discloses a handheld three-shaft shooting pan and tilt head. The handheld three-shaft shooting pan and tilt head comprises a handheld portion and a three-shaft shooting control device connected with the lower portion of the handheld portion. According to the three-shaft shooting control device, one end of a first shaft is fixedly connected with a second shaft, the other end of the second shaft is fixedly connected with a second motor, a rotating shaft of the second motor is connected with the middle of a third shaft, the two ends of the third shaft are connected with a first shaft arm and a second shaft arm respectively and fixedly, and a camera installation part is arranged between the first shaft arm and the second shaft arm. A third motor is arranged at the front end of the first shaft arm, a rotating shaft of the third motor is connected with one edge of the camera installation part, and the other edge of the camera installation part is movably connected with the front end of the second shaft arm 7. The handheld three-shaft shooting pan and tilt head can be used for multi-angle shooting and achieve a good shooting effect.

A positive first lens group G1, a negative second lens group G2, an aperture diaphragm St, a positive third lens group G3, and a positive fourth lens group G4 are sequentially arranged, and a movement of the lens groups and the aperture diaphragm St during zooming is optimized in combination with an appropriate conditional expression. During zooming, a position of the aperture diaphragm St on an optical axis at a wide-angle end is closer to an image plane than that at a telephoto end, and a space on the optical axis at the wide-angle end between the aperture diaphragm St and the third lens group G3 is larger than that at the telephoto end, thereby suppressing the length of the whole lens. Also, heights of rays passing through the first lens group G1 are lowered, thereby suppressing the lens diameter of the first lens group G1. The following conditional expression is satisfied: 0.4<(Pt-Pw) / fw<0.9 (1), where fw denotes a focal length of the whole system at the wide-angle end, Pw denotes a distance on the optical axis at the wide-angle end between the image plane and the stop, and Pt denotes a distance on the optical axis at the telephoto end between the image plane and the stop, thereby realizing a high variable power ratio and a small size as a whole.

The invention relates to the technical field of camera equipment and discloses a film and television shooting project camera shooting unmanned aerial vehicle, which comprises an unmanned aerial vehicle body and a camera, rotor wings are installed on the two sides of the top end of the unmanned aerial vehicle body; fixed rods are fixedly connected to the two sides of the bottom end of the unmannedaerial vehicle body; a support frame is arranged at the bottom end of each fixed rod; a fixing frame is fixedly connected to the middle of the bottom end of the unmanned aerial vehicle body; fixing discs are fixedly connected to the two side walls of the inner side of the fixing frame; rotating discs are rotatably connected to the inner sides of the fixing discs; a rotating frame is connected between the two rotating discs through a connecting column; and a sliding column is rotatably connected into the rotating frame. According to the film and television shooting project camera shooting unmanned aerial vehicle, the camera shooting effect of the unmanned aerial vehicle in the flight moving process is good, the stability is high, the camera shaking phenomenon is greatly reduced, shooting atsome specific angles can be completed, the vibration reduction performance of the unmanned aerial vehicle in the landing process can be guaranteed, and therefore the protection effect on the interiorof the unmanned aerial vehicle is completed.