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Module 4 Projection System CHARMEIN JAKOSALEM
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Filmstrip Projector Filmstrip Projector Slide Projector Slide Projector Overhead Projector Overhead Projector Opaque Projector Opaque Projector LCD (Liquid Crystal Display) 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. Filmstrip is being shown, players were built into the projector. Filmstrip projectors are rarely found in classrooms.
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http://www.tpub.com/content/religion/14229/css/14229_340.htm back
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SLIDE PROJECTOR A device used to view photographic slides. The term slide refers to a small format photographic transparency individually for one- at-a time projection. Size of the slides is 2x2 inch.
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HTTP://VISUAL.MERRIAM- WEBSTER.COM/COMMUNICATIONS/COMMUNICATIONS/PHOTOGRAPHY/SLIDE-PROJECTOR.PHP 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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A transparency is 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.tpub.com/content/draftsman /14063/css/14063_234.htm
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PRACTICES AND REMINDERS Position the projector at least 2-3 meters from the screen. Avoid projecting on a glossy surface. Check if the lenses and glass plate are clean. Place the transparency on the stage as you would normally view it
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Do necessary adjustments with the head assembly and focusing knob. Make sure that your learners can see what you are projecting. Do not stand in front of the screen. BACK
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OPAQUE PROJECTOR A device that has the capacity to display opaque materials on a screen. Heavy and bulky. The room needs to be very dark. It is expensive.
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HTTP://WWW.TPUB.COM/CONTENT/DRAFTSMAN/14064/CS S/14064_229.HTM 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.
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http://theaterprojector.org/the- difference-between-dlp-and-lcd
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