Search results
Results from the WOW.Com Content Network
Most modern meeting-rooms and conference halls are configured to include presentation electronics, such as projectors suitable for displaying presentation slides, often driven by the presenter's own laptop, under direct control of the presentation program used to develop the presentation. Often a presenter will present a lecture using the ...
The first document camera, known as a visualizer, was developed by Wolf Vision and Elmo and launched at the Photokina Trade Fair in 1988. [4] [5] The widespread use of computers, projectors, and popular presentation programs such as Microsoft PowerPoint in meeting rooms led to overhead projectors being used less frequently. [citation needed]
Before personal computers, they were 35 mm slides viewed with a slide projector [1] or transparencies viewed with an overhead projector. In the digital age, a slide most commonly refers to a single page developed using a presentation program such as MS PowerPoint, Apple Keynote, Google Slides, Apache OpenOffice or LibreOffice.
System requirements: (Windows) 286 PC or higher, Windows 3.1, 2 MB RAM. (Mac) Macintosh Plus or better, System 7 or higher, 4 MB RAM. [242] PowerPoint 4.0 For Windows: February 1994; [192] for Mac: October 1994 [193] Part of Microsoft Office for Windows 4.0 and Microsoft Office for Mac 4.2. Innovations included: autolayouts, Word tables ...
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .
Projector-camera systems may also be used for artistic and entertainment purposes. [2] A pro-cam system consists of a vertical screen for implementing interpersonal space where front-facing videos are displayed, and a horizontal projected screen on the tabletop for implementing shared workspace where downward facing videos are overlapped.
This provided a stop-gap solution in the era when the computer was not yet a universal display medium, creating a market for LCD projectors before their current main use became popular. This technology was employed in some sizes of rear-projection television consoles when there was a cost advantages in mid-size sets (40- to 50-inch diagonal).
A projector in a standard form factor: The PG-D2870 projector from Sharp, which uses Digital Light Processing technology An image from a video projector in a home cinema. A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system.