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Two modern electric lamps with lampshades. A lampshade is a fixture that envelops the light bulb on a lamp to redirect the light it emits. The shade is often affixed onto a light fixture to reduce the intensity of the light to observers, shield the light from a harsh environment, or for decoration by altering the color or creating shadows.
The patent calls the design "Closed Vessel with Perforated Cover", and Kopp applied for the patent on January 24, 1891. [57] A publication released in 1998 valued a rare pair of these rose shakers, with a holder, at $710 to $730 (equivalent to $1,346 in 2023). [58] In 1892, Fostoria Shade and Lamp produced a lamp shaped like Santa Claus.
Light fixtures may also have other features, such as reflectors for directing the light, an aperture (with or without a lens), an outer shell or housing for lamp alignment and protection, an electrical ballast or power supply, and a shade to diffuse the light or direct it towards a workspace (e.g., a desk lamp).
Different types of recessed lighting in a warehouse "Pot light" or "canister light" implies the hole is circular and the lighting fixture is cylindrical, like a pot or canister. There are three parts to a recessed lighting fixture: housing, trim and bulb. The trim is the visible portion of the light.
Windshield Sun Shades. Typically, the glass of the car's windshield itself blocks most of the UV light from the sun, and some of the infrared radiation.But it can't protect from the visible light that mostly penetrates through the window and gets absorbed by the objects inside the car.
Optimal control of window coverings can increase occupant comfort (visual and thermal comfort) while saving building energy use (lighting, cooling, and heating energy). [7] Typical dynamic window coverings include automated blinds and automatic shades. Window blinds and shades can be controlled to avoid glare while introducing daylight to the ...
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