- projector efficiency
- кпд громкоговорителя
The New English-Russian Dictionary of Radio-electronics. F.V Lisovsky . 2005.
The New English-Russian Dictionary of Radio-electronics. F.V Lisovsky . 2005.
LCD projector — An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern analog of the slide projector or overhead projector. OverviewTo display images, LCD (liquid crystal… … Wikipedia
Handheld projector — The Nikon Coolpix S1000pj compact camera projecting an image using its built in projector. A Handheld projector (also known as a pocket projector or mobile projector or pico projector) is an emerging technology that applies the use of an image… … Wikipedia
Large Format Slide Projector — A Large Format Slide Projector (also often called Large Format Projector or Large Image Projector ) is a kind of slide projector which has a very powerful light source (up to 12 thousand kilowatts using arc lamps). Therefore it is necessary to… … Wikipedia
motion picture, history of the — Introduction history of the medium from the 19th century to the present. Early years, 1830–1910 Origins The illusion of motion pictures is based on the optical phenomena known as persistence of vision and the phi phenomenon. The first … Universalium
Incandescent light bulb — The incandescent light bulb, incandescent lamp or incandescent light globe is a source of electric light that works by incandescence, (a general term for heat driven light emissions which includes the simple case of black body radiation). An… … Wikipedia
Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr … Wikipedia
Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An … Wikipedia
Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) … Wikipedia
colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which … Universalium
Interactive whiteboard — at CeBIT 2007 … Wikipedia
Oscar/Technische Verdienste — Der Oscar für technische Verdienste (Academy Technical Achievement Award) ist eine seit 1931 vergebenene Auszeichnung der Academy of Motion Picture Arts and Sciences und würdigt herausragende Leistungen auf dem Gebiet der Verbesserung technischer … Deutsch Wikipedia