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Module 4 Projection System
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The lighted screen is a silent shout – a shout likely to be heard and heeded even by the most reluctant learners. (Heinich, R., Molenda, M., & Russell, D., 1993)
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Filmstrip Projector Slide Projector Overhead Projector Opaque Projector LCD (Liquid Crystal Display) Projector
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FILMSTRIP PROJECTOR A device used to view a filmstrip. Recorded sounds are made to accompany the filmstrip. Later on, as the filmstrip is being shown, players were built into the projector. Now, filmstrip projectors are rarely found in classrooms.
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HTTP://WWW.BLACKPOOLSIXTH.AC.UK/ABOUT/ACTIVITIES/WORLD -AND-CLASSIC-CINEMA http://www.tpub.com/content/religion/14229/css/14229_340.htm BACKSlide 3Slide 3
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SLIDE PROJECTOR A device used to view photographic slides. Term slide, refers to a small format photographic transparency individually for one-at-a time projection. Size of the slides is 2x2 inch. Price is quite high. Rarely found in the classroom.
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HTTP://VISUAL.MERRIAM- WEBSTER.COM/COMMUNICATIONS/COMMUNICATIONS/PHOTOGR APHY/SLIDE-PROJECTOR.PHP http://www.shutterstock.com/pic- 17036467/stock-photo-photographic- slides-in-a-tray.html BACK
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OVERHEAD PROJECTOR A box with a large “stage” on the top surface. A lamp from inside the box is condensed by a special type of lens passes through the transparency that is placed on the “stage”.
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Term transparency, composed of photographic film, clear acetate, or any transparent material capable of being imprinted with an image by means of chemical, heat process or direct drawing method.
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HTTP://WWW.ACCUMALL.COM/WEATHE R-FOR-KIDS/ASTRONOMY/ASTRONOMY- TRANPARENCIES-II.HTML http://www.tpub.com/content/draftsma n/14063/css/14063_234.htm
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Preparing Transparencies Print horizontally on the transparency. Use a large text size. Use standard fonts. Color of the text should be black. Use red sparingly. Do not overload your transparency. (66 rules) Use topical outlines and NOT sentences.
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Do not reproduce a typewritten page or a page from a book. Write notes on the frame of your transparency. Vary your presentation with the use of overlays, masking, silhouettes and cut- outs. BACK
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OPAQUE PROJECTOR A device that has the capacity to display opaque materials on a screen.
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HTTP://WWW.TPUB.COM/CONTENT/DRA FTSMAN/14064/CSS/14064_229.HTM http://png.cybermirror.org/ pngvrml1.html BACK
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LCD (LIQUID CRYSTAL DISPLAY) PROJECTOR It can display video, images, or computer data on a screen or any flat surface. It is possible to show motion or have accompanying sounds. It is connected to a computer.
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HTTP://WWW.INTERNETPHILIPPINES. COM/SHOPPING/LCD-PROJECTOR- RENTAL/ http://theaterprojector.org/the- difference-between-dlp-and-lcd
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THANK YOU!
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