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A document camera needs an image display device to show the information to the audience.
Furthermore, a document camera is a great classroom management tool.
Document cameras usually also require a small amount of space and are often portable.
Theoretically, all objects can be displayed by a document camera.
Lighting is an essential part of a document camera.
"We've got a new document camera, and we're using it to project their images on the screen," she said gleefully.
Often this is a big book, a book on screen using a website or documents camera.
The technology of video cameras during this time, was a key factor in the development of document camera systems.
For example, the teacher can use the document camera to display a kitchen timer while the class is working in groups or independently.
Many classrooms have document cameras and classroom amplification systems to enhance learning.
A new category of document scanner is the document camera.
Sometimes document cameras are connected to an interactive whiteboard instead of a standard screen.
The greater the light intensity, the more independent the document camera is from ambient light sources.
Document cameras are generally divided into three groups.
Today, document cameras are seen in most classrooms.
Each room is equipped with a projector, a screen, document cameras, a speaker system, and a video player.
Document cameras replaced overhead projectors, which were formerly used for this purpose.
The design and specification of a document camera are a combination of several different technologies.
Typically, documents are placed on a flat surface, usually the office desk, underneath the capture area of the document camera.
Document cameras are able to be integrated directly into a Workflow or process, for example a teller at a bank.
Also the room lighting does not have to be darkened to operate a document camera; in a classroom setting this is an asset.
Document cameras capture the whole document or object in one step, usually instantly.
The document camera is also called a desktop presenter unit or opaque projector.
Modern camera systems used in a document camera are able to provide high-resolution colour images at 30 frames per second.
Document cameras are compatible with scanners, projectors, computers and many other technologies.