Module 4 Projection System. The lighted screen is a silent shout – a shout likely to be heard and...

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

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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.

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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

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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.

HTTP://WWW.INTERNETPHILIPPINES.COM/SHOPPING/LCD-PROJECTOR-RENTAL/

http://theaterprojector.org/the-difference-between-dlp-and-lcd

THANK YOU!