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Altman Follow SpotsAltmanâ?¦. A name that stands for quality, durability, pride, and excellenceâ?¦. a name synonymous with tradition, dedication, and design innovationâ?¦ a family name. For over fifty years the Altman name has stood true as one of the leading innovators of theatrical, architectural, and film and video lighting available on the market today. Charles Altman, the patriarch and founder, whose spirit is still alive in the company today, founded the company based on the ideals of a top quality product available at an affordable price. Ronald Altman, whose memory still inspires loyalty and will always live on as the company grows. Robert Altman, a son who boldly leads the company into the 21st century with state of the art innovations and high quality product with his father Charlie's philosophy still in mind. Randall Altman, a grandson, who is stride by stride with Robert maintaining family pride in excellence. As the generations continue through the constant pursuit of excellence, these individuals as well as other family members and complete staff of employees (who are all treated as family members) strive to keep the family philosophy alive with customer satisfaction, personal service, and a quality product that has proved to last through the test of time.
Sometimes this distance . Used . is called the "peak amplitude", distinguishing it from another concept of amplitude, used especially in electrical engineering: the root mean square (RMS) amplitude, defined as the square roo. Used . t of the temporal mean of the square of the vertical distance of this graph from the horizontal axis. The use of peak amplitude is unambiguous for symmetric, periodic waves, like a sine wave, a square wave, or...
Alternating Current - An alternating current (AC) is an electrical current where the magnitude and direction of the current varies cyclically, as opposed to direct current, where the direction of the current stays constan. Used . t. The usual waveform of an AC power circuit is a sine wave, as this results in the most efficient transmission of energy. However in certain applications different waveforms are used, such a. Used . s triangular or square waves.
Used generically, AC refers to the form in which electricity is delivered to businesses and residences. However, audio and radio signals carried on electrical wire ar
Incandescent light bulb - The incandescent light bulb (archaically known as the electric lamp) uses a glowing wire filament heated to white-hot by electrical resistance, to generate light (a process known as thermal radiation . Used . or incandescence). The bulb is the glass enclosure which keeps the filament in a vacuum or low-pressure noble gas, or a halogen gas in the case of quartz-halogen lamps (see below) in order to. Used . prevent oxidisation of the filament at high temperatures. In Australia and South Africa a light bulb is also called a light globe.
Because of its poor efficiency and yellowish color, it is being ...
Fresnel Lens - A Fresnel lens is a type of lens invented by Augustin-Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large size and short focal length without th. Used . e weight and volume of material which would be required in a lens of conventional design.
The Fresnel lens (often pronounced FREZ-nell but usually the original fre-NELL in theatr. Used . ical and motion picture lighting applications) reduces the amount of material required compared to a conventional spherical lens by breaking the lens into a set of concentric annular sections known as Fresnel
Xenon Lamp - A type of discharge lamp with high output generally used in Strobe lights and flashes, though sometimes found in some followspots. These lamps utilize an internal electrical discharge passed between . Used . electrodes suspended in xenon gas. Xenon lamps have a color temperature of between 5600 - 6500°K and produce extremely intense, incoherent, full-spectrum white light usually for very short d. Used . urations. ...