Projectors Definitions

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Zoom

Zoom Power: A zoom lens to zoom in and out controlled by a motor, usually adjusted from the control panel of the projector and also from the remote

XLR

Type of audio file that has three connectors: two for the signal to land and a general system. It is a connector that is what insurance usually found

XGA

XGA is used to define a specific resolution of 1024 x 768 pixels.  image. The resolution is defined by the number of points an individual who

Wobulation

  A technique originally invented by Hewlett-Packard for its inkjet printers. Texas Instruments, promoter of the DLP technology screens, using

Wide Screen (wide screen)

As you can see, (almost) all of the projector fixed resolutions are in a 4:3 ratio format (horizontal:vertical). That is, the projector's

WSXGA

Each type is a factor of VGA (video graphics array). Some examples are  SVGA (super video graphics array), at 800 x 600 pixels; XGA (extended

Wi-Fi (Wireless Fidelity)

Wi-Fi is Wireless Fidelity ie. cable-free projection00 and is based on the IEEE 802.11 standard for wireless local area networks developed by a

Viewing Angle

Viewing Angle is the maximum angle at which you can view your flat-panel display without the image appearing faded, weak, or distorted and 180°

VGA

Resolution measures the amount of detail that can be seen in an image. For computers, resolution is expressed in the number of pixels down and across

Ventilation of projector

The airflow that enters or leaves can affect the performance of the cooling system of projectors. Allow ventilation to three feet away from your

Variable Illumination

Variable illumination is a function that adjusts the light output applied to each colour on the colour wheel. Increasing the amount of light on the R

Upconversion

Term used to describe the conversion of a lower apparent resolution to a higher. This process increases the number of pixels and / or frame-rate and

UXGA

Resolution of a computer generated image. A UXGA projector will be able to display a 1600x1200 image from a computer running in a UXGA video mode. If

Throw Distance

Throw distance is the distance from the lens of the projector to the center of the screen surface. It is expressed as a range to indicate the minimum

Keystone correction (keystoning)

When a projector is projected upward or sideways, the picture is distorted as a keystoning. There are two types of keystoning; vertical keystoning

TFT: Thin-Film Transistor

TFT Active Matrix: A thin-film transistor (TFT) panel is an active matrix display containing a microscopic thin-film transistor in the corner of each

Screen gain

Gain is the industry term used to measure the amount of light reflecting from a screen surface. No actual light “gain” takes place. Gain

Sharpness

Is the definition of the limits of an image. Sharpness control is a type of computerized edge enhancement. It controls the areas of color transition

SCART

An acronym for Syndicat des Constructeurs d'Appareils Radiorécepteurs et Téléviseurs. SCART is a French developed standard

Stereo

It is the process by which signals are used separately or separate channels for audio left and right. This will give achieves depth or dimension to

Signal amplifier

Is the device that allows the connection of an entry from one device to multiple outlets such as monitors or projectors without losing image quality

Set-Top Box (STB) or Receiver Decoder

“Set top box” (STB) is a term that can include any type of accessory that may connect to the HDTV.  Common STBs are satellite

SDTV (Standard Definition Television)

A digital television system that is similar to the current standards in image resolution and wide and high regard for display. A class of digital

Scaler (multiplier)

Circuit that converts a video signal to a resolution other than its original format by 2 in NTSC, PAL or SECAM. The Line Multiplier optimizes your

Security

Some teams manage Security functions that allow block access to the computer at various levels, from not being able to operate it, not being able to

Shuter & Sealing

This feature allows interrupt the projection without having to turn off the projector, the screen will go black and returns to the projection for all

Slides projector (OHP)

A device that has a light source, reflecting a platform, and a set of lenses to focus on. An OHP is designed to project images from transparencies to

SECAM (Sequential Couleur avec Mémoire)

The international standard for transmitting video signals from France, also used in the Russia.  Higher resolution than NTSC. Sequential Couleur

S-Video

A video transmission standard that uses a 4-pin connector miniDIN to send information in two video signal wires called luminance (brightness, Y) and

Poly-Si (silicon) LCD

A popular LCD technology for the top of the line of LCD projectors. Poly-Si LCD are usually placed in each of the three colored lights inside the