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Oct 23 2013

Ultra Short-Throw Projection

Ultra Short-Throw Projectionphoto credit:vr-zone.com

Short throw projection has gained popularity since breaking into the market in the early 20th Century. It started off with odd-looking lenses seemingly attached onto a standard projector, not to mention the exorbitant price tag, to what we have seen as state-of-the art design and functionality projectors developed by almost all major projector manufacturers now.

With the advantages of short throw projection, many users are beginning to make the switch, especially with the launch of more Short-Throw Projectors models from more and more manufacturers, the price of Short-Throw projectors have became very competitive.

Advantages of Short Throw Projection includes:

–       Large image with short throw distance (Ideal for small room)

–       Minimal shadow interference since movement at the front of the projector is minimized when projected near to the screen (away from the audience)

–       Presenter need not be staring at the light beam from standard throw projector

–       Minimal light loss from short throw projectors means having a lower lumens projectors which translates to energy saving as compared to a high lumens projector installed from afar

With the advances and popularity of Short Throw Projectors, we are now seeing a new breed of Ultra Short Throw Projectors, giving users larger and yet shorter throw distance flexibility.

The use of “mirror-reflection projection technology” has made the projected image significantly bigger via a ‘curved’ mirror. The specially designed mirror allows the projection to be enlarged within a very short distance, something that normal projection lenses could not achieve.

This new range of Ultra Short Throw projectors have brought new life into the projection industry. New possibilities for interactive white boards, new installation methods, new projection applications, which are not possible, previously are now readily available. Though this technology is not new, but it has been relatively expensive until recently.

With the lowering of price tags, users are more open to try out this range of projectors and finding them more useful and flexible than a conventional projector. We see a huge potential in this range of Ultra Short throw Projectors given the right education and marketing to our technology-hungry users.

Written by admin · Categorized: Projection Systems · Tagged: education, interactive, interference, projector, screen, technology, ultra short-throw

Oct 09 2013

Interactive Projectors

photo credit:newlandmedia.co.uk

Interactive White Boards has been around in the market for quite sometime now. Despite the varying technologies employed by the different manufacturers, they share something in common, the use of a projector.

Projection application has moved beyond simple presentation on a white screen. The demanding environment in today’s world needed something more. Interactive White Board was one of the many ideas that helps bring classrooms/ meetings alive; making the presentation livelier and getting the audience involved easily. And now, projector manufacturers are eyeing a piece of this newfound demand for interactivity.

Interactive Projectors incorporated an additional ‘Transmitter’ and ‘Receiver’ device to allow actions on the screen to be transferred into the connecting computer. Regardless of the technology used, the principals are pretty much the same, to compete with Interactive White Boards.

Some of the pros and cons between the two:

Function(s) Interactive White Board Interactive Projector (Short Throw)
Cost Cost of Projector + Cost of Board + Cost of Projector Installation + Cost of Board Installation Cost of Projector + Installation only
Projection Surface Must be on the board Can be only any hard and smooth enough surface
Glare, Hot Spot & Shadow Will need to use an ultra-Short Throw Projector to minimize these effects, which means additional cost Effects reduced with Ultra-Short Throw capabilities
Image Size Image size is fixed Can adjust big/ small image size by changing projection distance
Sensitivity Dedicated sensors behind the board will have excellent response Subject to the technology of the “Transmitter/ Receiver” device, might have slight lag depending on the setup conditions
Software Most Interactive White Boards do provide optional Interactive Software for instant application No full-fledge interactive software, but able to work with 3rd party Interactive Software

Although the technology is available and choice between the two will be based on individual’s requirements, it is important to understand that technology is nothing when the users are not properly trained to use them.

Most users will find it daunting to do an interactive setup and scrambling to understand the buttons and logos to use the interactivity features properly. Hence without the right training, most, if not all technology will be nothing but an additional piece of under-utilized hardware.

Written by admin · Categorized: Projection Systems · Tagged: interactive, Interactive White Board, projector, Receiver, Sensitivity, Software, technology, Transmitter, ultra short-throw

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