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3LCD is the name and brand of a major LCD projection color image generation technology used in modern digital projectors. 3LCD technology was developed and refined by Japanese imaging company Epson in the 1980s and was first licensed for use in projectors in 1988. In January 1989, Epson launched its first 3LCD projector, the VPJ-700.^[1]

Found 3 records for Wendy Beamer at LocatePeople. Get a complete background report of Wendy Beamer with phone, address, email, criminal, court and arrest records. Home » Reserves » High Adventure Beamer 3. From $995.00 - $1,400.00. From $825.00 - $1,450.00. High Adventure Beamer 3 Extension Kit. Showing items 1-3 of 3. Advance Paragliders; Gin Gliders. The High Adventure Beamer 3 is a steerable Rogallo emergency reserve parachute with a very fast opening time, low sink rate and a high level of stability during descent. The Beamer 3 is available in 2 sizes and is also in lightweight version. Need more reserve knowledge? Check out our buying guide!

Although Epson still owns 3LCD technology, it is marketed by an affiliated organization simply named after the technology:'3LCD'. The organization is a consortium of projector manufacturers that have licensed 3LCD technology to be used in their products. To date, about 40 different projector brands worldwide have adopted 3LCD technology.

According to electronics industry research company Pacific Media Associates, projectors using 3LCD technology comprised about 51% of the world's digital projector market in 2009.^[2]

3LCD technology gets its name from the three LCD panel chips used in its image generation engine.

How 3LCD technology works[edit]

Creating Colors from White Light:
A projector using 3LCD technology works by first splitting the white light from the lamp into its three primary colors of red, green and blue by passing the lamp light through special dichroic filter / reflector assemblies called “dichroic mirrors.” Each dichroic mirror only allows specific colored wavelengths of light to pass through while reflecting the rest away. In this way, the white light is split into its three primary color beams and each is directed toward, and subsequently through its own LCD panel.

Image Generation at the LCDs:
The three LCD panels of the projector are the elements that receive the electronic signals to create the image which is to be projected. Each pixel on an LCD is covered by liquid crystals. By changing the electrical charge given to the liquid crystals, each pixel on an LCD can be darkened until it is totally opaque (for full black), lightened until it is totally transparent (allowing all the lamp light to pass through for full white) or shaded in varying degrees of translucence (for different shades of gray). This is similar to how a digital watch’s characters appear bold and black on its LCD when its battery is new, but start to fade gradually as its battery weakens. In this way, the brightness level on every pixel for each primary color can be very precisely controlled to produce the final pixel's specific color and brightness level required on the screen.

Color Image Recombination and Projection:
After each colored light is filtered through its individual LCD panel, the beams are recombined in a dichroic prism that forms the final image which is then reflected out through the lens.

Competition[edit]

For mainstream projectors, the competitors to 3LCD technology are single-chip DLP technology (developed by Texas Instruments) and to a much lesser extent, LCOS projection technology.

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Advantages[edit]

Proponents of 3LCD projection technology claim that it has the following advantages over it closest competing technologies:

• 3LCD projectors can have higher color light output than single-chip DLP projectors. This is because 3LCD projectors mix and project the light beams from all three colors to form each individual pixel's color, while single-chip DLP projectors create colors by projecting them in sequence one at a time and rely on human color perception to mix and interpret the correct colors for each pixel.
• 3LCD projectors typically use less power compared to a single-chip DLP projectors of the same brightness rating.
• The way a single-chip DLP projector works sometimes causes viewers to see a 'rainbow' or 'color breakup' effect where false colors are briefly perceived when either the image or the observer's eye is in motion. As all three primary colors are displayed all the time by 3LCD projectors, they do not suffer from this effect.
• 3LCD projectors are able to display finer image gradations by giving each pixel on the projected image a smooth variation in brightness levels. This is because the liquid crystals for each pixel on an LCD panel can be given fine levels of opacity by varying the electrical charge. On the other hand, a single-chip DLP projector has a single mirror reflecting the lamp light to the lens on its DMD chip for each pixel. It varies the brightness of each pixel by vibrating the mirror between its on or off state in varying frequencies and relies on human perception to interpret the brightness of each pixel.
• 3LCD projectors are typically more affordable than those using LCOS or 3-chip DLP technologies.

Disadvantages[edit]

• Older 3LCD projectors with large pixel pitches usually have a 'screen door effect'
• Single-chip DLP projectors typically have higher contrast ratios compared to older 3LCD models of similar price or brightness rating.
• The smallest single-chip DLP projectors are smaller than the smallest 3LCD projector models.
• Current LCOS projector models typically deliver sharper images at higher resolutions than 3LCD projectors.

References[edit]

1. ^'Epson Introduces the first LCD projector for sale (1989)'. Archived from the original on 2009-12-28. Retrieved 2010-02-10.
2. ^3LCD Group Press Release, March 11, 2010: 3LCD Announces Worldwide Market Share Leadership in 2009

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External links[edit]

Parachutes

BEAMER 3

In 1995 the Beamer opened a new chapter in the history of paraglider reserve parachutes. Our Rogallo concept changed the scene for ever, and the Beamer 1 still waits, ready for action, in many harnesses. In 2010 the Beamer 2 set another benchmark for steerable reserves. Its proven concept, new features and improved qualities convincingly established the Beamer 2 in the market. The Beamer 3 builds on the best features of the Beamer 2. A completely redeveloped Beamer 3 riser system improves opening, operation and installation – the success story continues!

Technical

Fast opening. Opening time is the most important reserve criterion. If a reserve has to be thrown at low altitude – and that is often the case – a single second can make all the difference. The Beamer 3’s special shape and particular folding technique help it open up to 50% faster than normal round canopies; the Beamer 3 is setting EN Test records.

Low sink speed.Assuming a reserve is open with its paraglider in a stable situation the next most important thing is sink speed. Low wing loading and modest forward speed give the Beamer 3 an unrivalled low sink rate. The EN certification authority has confirmed a sink rate of 3.9 m/s at maximum weight of 130 kg (without the paraglider). The additional braking effect of a paraglider reduces this value to less than 3m/s.

Stable flight. When developing a Rogallo our main focus is how it works with the paraglider. After reserve opening the paraglider can stay attached (the usual emergency situation – no quick release/cutaway). Here the Beamer 3 really plays its trump card, and is far superior to the smaller models on the market in this respect. After a fast opening the Beamer 3 quickly takes control. It goes into very slow forward flight and therefore does not encourage the paraglider to disturb it. The Beamer 3 achieves Its stability, among other things, by its low wing loading. This accords with our recommendation: Don’t put your trust in anything under 40 m2.

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Braked opening configuration

As a special feature we elected to further develop the braked opening configuration for the Rogallo – successfully applied to the Beamer 2. This results in even less forward speed and provides what most pilots need – the advantages of a round canopy’s vertical flightpath, plus those of a steerable forwards-flying Rogallo. For example, if the Beamer opens alongside a rock face, or in strong wind, its initial descent will be almost vertical. Then, after its steering lines have been activated, the Rogallo’s forward speed can be used. If the pilot has enough height he can then steer the Beamer 3 away from danger (e.g. rocks, water, buildings etc.).

The braked opening configuration automatically includes another important effect: what is known as ‘downplaning’ is effectively prevented. This scissoring problem happens when paraglider and reserve (round canopies too) both develop forward speed while pulling against each other, and both head straight downwards. This raises the sink speed markedly, and the risk of injury dramatically. The Beamer 3’s pre-braking and its large area oppose this: the braked Rogallo surface refuses to be accelerated in this way.

Steering and flying forwards – the Beamer’s speciality!

Paraglider under tow: In real-life reserve-throwing situations the paraglider can become a massive problem. In many cases the paraglider is already collapsed, both during and after reserve opening, and therefore prevented from flying. Here the Beamer 3 descent is a pure pleasure. The canopy reacts immediately to steering commands and sinks at its slowest rate. When the reserve is thrown while the paraglider is flying normally, such as during SIV training, the descent characteristics of both Rogallo and round reserve can be affected. If the paraglider reopens itself during a reserve descent it can easily be prevented from flying by B-stall, or reefing in. This will greatly improve steerability. Countless examples in practice confirm the problem-free behaviour of all Beamers in every possible situation.

Technical Data

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