Module 4 Projection System CHARMEIN JAKOSALEM. Filmstrip Projector Filmstrip Projector Slide...
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Transcript of Module 4 Projection System CHARMEIN JAKOSALEM. Filmstrip Projector Filmstrip Projector Slide...
Module 4Projection System
CHARMEIN JAKOSALEM
Filmstrip ProjectorSlide Projector
Overhead ProjectorOpaque Projector
LCD (Liquid Crystal Display) Projector
FILMSTRIP PROJECTORA 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.
http://www.tpub.com/content/religion/14229/css/14229_340.htmback
SLIDE PROJECTORA 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.
HTTP://VISUAL.MERRIAM-WEBSTER.COM/COMMUNICATIONS/COMMUNICATIONS/PHOTOGRAPHY/SLIDE-PROJECTOR.PHP BACK
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”.
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.
http://www.tpub.com/content/draftsman/14063/css/14063_234.htm
PRACTICES AND REMINDERSPosition 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
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
OPAQUE PROJECTORA 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.
HTTP://WWW.TPUB.COM/CONTENT/DRAFTSMAN/14064/CSS/14064_229.HTM
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.
http://theaterprojector.org/the-difference-between-dlp-and-lcd