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Projector Notes and Updates

Factors Affecting the Brightness of a Projected Image

Posted by George Spoleto on

Brightness sits at the top of the list when thinking about the quality of a projected image whether for conference rooms, classrooms, houses of worship or home theater applications. What are the factors that affect the brightness of a projected image? Projector BrightnessWhen buying a digital projector one of the key metrics found on manufacturer specification sheets is brightness. Measured in lumens, this quantifies the light output of the projector. More lumens, more brightness from the projector. Image Brightness on the ScreenWhat most of us are thinking when the topic is brightness is image brightness – how bright does the projected image...

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The Origins and Technology Behind Digital Projection Lamps

Posted by George Spoleto on

The UHP lamp (ultra high pressure lamp, usually mercury arc) refers to projector lamps with an internal pressure of over 3000 lbs per square inch. The acronym also stands for ultra high performance. Originally developed by Philips in 1995, it is a common light source for digital data front projection, video front projectors and rear projection televisions because it has very high light output available for the small environments of micro display projectors. The main characteristics of UHP lamps designed for most digital projection applications are:- Short arc- Very high luminance- Long lamp life- High luminous efficacy- Precise color spectrum-...

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Strong Market Growth Forecast for Interactive Projectors

Posted by George Spoleto on

The interactive projector market is forecast to reach over 2.5 billion dollars in North America by 2022. – averaging over 20% annual growth from 2018. Interactive projectors allow users to interact with the projected image with special pens, a finger or other pointing devices. While interactive projectors are used in both conference rooms and education, the projected growth is being driven by the significant advantages of interactive technology in the education sector. Interactive projectors can be used on any surface and perform very similar functions as interactive whiteboards. However, the relative low cost of interactive projectors, when compared to interactive...

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The Viewsonic PS750W Offers Features and Affordability in the Ultra Short Throw Market

Posted by George Spoleto on

Viewsonic’s PS750W and PS750WHD DLP projectors, released in August of 2017, offer an affordable, full feature ultra short throw solution for classrooms. Viewsonic has positioned the PS750W (and it’s counterpart, the PS750WHD) as the “total solution” package provided. With embedded cameras, a laser curtain module, IR pens and interactive software, the PS750W is ready to work out of the box. In addition, set-up is easy with both table top or wall mount options to fit most classroom designs – both mounting options can place the projector within inches of the projection screen – throw distance is rated a 1.4 to...

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The Viewsonic PS750HD Provides an Interactive Ultra Short Throw Solution for Classrooms

Posted by George Spoleto on

In today’s digital, connected world, students arguably learn best when viewing and interacting with the curriculum in ways that mimic how they view and interact in the rest of their world. Projection systems that create interactive displays and whiteboards, provide teachers with an innovative way to reach their students efficiently and effectively. The new Viewsonic PS750HD joins a long list of projectors aimed directly at the education market. Specifically the PS750HD is designed for small to medium sized classrooms (it can also be used in similarly sized conference rooms).The ultra short throw lens projects images of 80 in. to 110...

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