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Module 4Projection System
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)
Filmstrip ProjectorSlide ProjectorOverhead ProjectorOpaque ProjectorLCD (Liquid Crystal Display) Projector
FILMSTRIP PROJECTORA 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.
HTTP://WWW.BLACKPOOLSIXTH.AC.UK/ABOUT/ACTIVITIES/WORLD-AND-CLASSIC-CINEMA
http://www.tpub.com/content/religion/14229/css/14229_340.htm
BACKSlide 3
SLIDE PROJECTORA 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.
HTTP://VISUAL.MERRIAM-WEBSTER.COM/COMMUNICATIONS/COMMUNICATIONS/PHOTOGRAPHY/SLIDE-PROJECTOR.PHP
http://www.shutterstock.com/pic-17036467/stock-photo-photographic-slides-in-a-tray.html
BACK
OVERHEAD PROJECTORA 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”.
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.
HTTP://WWW.ACCUMALL.COM/WEATHER-FOR-KIDS/ASTRONOMY/ASTRONOMY-TRANPARENCIES-II.HTML
http://www.tpub.com/content/draftsman/14063/css/14063_234.htm
Preparing TransparenciesPrint 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.
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
OPAQUE PROJECTOR
A device that has the capacity to display opaque materials on a screen.
HTTP://WWW.TPUB.COM/CONTENT/DRAFTSMAN/14064/CSS/14064_229.HTM
http://png.cybermirror.org/pngvrml1.html
BACK
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.
HTTP://WWW.INTERNETPHILIPPINES.COM/SHOPPING/LCD-PROJECTOR-RENTAL/
http://theaterprojector.org/the-difference-between-dlp-and-lcd
THANK YOU!