The spiral fiber optic cable assembly is a new type of optical cable winding device developed by Changfei Optical Fiber Cable Co., Ltd. It is an ideal device for realizing non-contact transmission optical fiber signals. The products are widely used in port dock bucket wheel stacker and reclaimer, grab ship unloader, and equipment. Large-scale mechanical equipment and various special engineering vehicles that require translational movement, such as ship machines and shipbuilding gantry cranes. The reel/cylinder synchronous retractable cable function is used to transmit the ground power or control signal source to the moving large mechanical equipment. The power source and signal source outlet points can be located at the midpoint or end point of the trip.
The spiral fiber optic cable series products produced by Changfei Company adopt limited rotation mode, and special materials are used as the sheath material of the spiral fiber cable. The cable is molded by special process, which can ensure the rigidity of the spiral fiber cable to ensure the smooth follow-up of the fiber optic cable. The mechanical shaft of the equipment rotates and has sufficient toughness to ensure the service life of the spiral cable. At present, the customer has initially verified that the service life of the spiral fiber cable can reach more than 30,000 times. In addition, the spiral cable assembly is produced from selected special materials and has good environmental performance for normal use in a variety of harsh outdoor climates.
Features:
â—Low insertion loss, high return loss
â—High reliability and long service life
â—Multiple fiber and connector models
â—Multiple spiral diameters and turns
â—High wear resistance, high oil resistance, adapt to harsh outdoor environment
â—Adaptive rotation
In fact, what people usually call a pinhole camera does not use a pinhole lens. Pinhole lens refers to a lens that uses the principle of small hole imaging to obtain images. It is inexpensive and simple in principle, but its fatal weakness is that too little light passes through the small hole, resulting in too long exposure time. Taking photos with a pinhole lens in sunlight can take anywhere from a few minutes to a dozen minutes, especially when shooting at night with exposure times of up to several hours. Obviously, for a camera that shoots dozens to dozens of frames per second, it cannot meet the requirements. Pinhole lenses cannot be applied to cameras, so there is no "pinhole" camera in the strict sense. As is customary, a miniature camera using a fisheye lens, a flat lens or a conical lens is called a pinhole camera.
According to the lens, the lens of the pinhole camera can be divided into three types: fisheye lens, flat lens and conical lens; according to the photosensitive element used, it can be divided into charge coupled element and complementary metal oxide semiconductor; According to the data transmission method, it can be divided into two categories: wireless cameras and wired cameras.
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