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A roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple horizontal slats, bars, or web systems interconnected through hinges. The mechanism involves lifting the door to open it and lowering it to close.
High Speed Doors are an evolution of the traditional roller shutter door (hence the alternative name they are often given of Rapid Roll Doors). They are primarily designed to give higher operating speeds, improved sealing and sustain a higher number of opening & closing cycles than traditional roller shutters, without compromising reliability ...
Depending on the application, and the construction of the window frame, shutters can be mounted to fit within the opening or to overlap the opening. The term window shutter includes both interior shutters, used on the inside of a house or building, and exterior shutters, used on the outside of a structure.
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Focal-plane shutters may also produce image distortion of very fast-moving objects or when panned rapidly, as described in the Rolling shutter article. A large relative difference between a slow wipe speed and a narrow curtain slit results in distortion because one side of the frame is exposed at a noticeably later instant than the other and the object's interim movement is imaged.
It is even possible for the shutter to be open for multiple frames, far beyond that possible with a 360° shutter angle. One example is the Sony PD170 where the shutter can be set as low as 1 ⁄ 3 second; accumulating light across 10 frames (at a frame rate of approximately 30 frames of 60 interlaced fields per second for the NTSC version of ...
Vinyl blinds in various sizes, e.g. 25 mm (1 in) and 50 mm (2 in) Vinyl and fabric for vertical blinds; Aluminum; A shade is a piece of fabric which rolls, stacks or folds to expose or cover a window. Some shades allow for views through (e.g. sheer shades). Types of shades: Roman shades; Roller shades; Solar shades; Cellular shades; Pleated ...
Full frame, where the image sensor is approximately the same size as a 35 mm film: 36 × 24 mm. FP: Focal plane. A shutter that opens and closes near to the film or image sensor, usually as a fast-moving slit, as contrasted with a bladed/leaf shutter located near a nodal point of a lens. [12] FPA: Focal plane array. A matrix of sensors ...