What is the document?
The document camera, despite its name, is not only for documenting documents. One of his main features is that he is digital, although when he was first developed at the end of the 80s, an analog video output was standard. The ability to capture images of three-dimensional and two-dimensional items in real time to display or projection, a camera camera images that can still be photos or video-ls also save on your computer for further consultation or use. The document camera can also be known as a visualizer, visualization, digital documents or digital visual moderator.
The appearance seems that the document camera brings some similarity to the main projector. While the director projector can correctly represent only images to transparency and requires the documents to change in this format to display, the document camera does not have this request. Instead, documents and objects can be used as they are. A tube containing fruit flies or weapon with otiThe fingertips can be displayed as easily as a historic document or for example into a watercolor.
Use for a document camera includes a 21st century courtroom. The document camera is an important element of the courtroom technology and the images are either displayed to everyone on the screen screen, otherwise each juror is provided with LCD flat panels to check items close up. It has been found that the use of courtroom technology, such as this, enables more effective processing of court cases. Document cameras are also used in education as well as the director's projector - to help everyone in a lecture hall or classroom so that they can see small subjects clearly and at the same time. Distance education also benefits from a camera camera, as well as entrepreneurs who can use them for business presentations, where three -dimensional items and documents are im improving with a large number and in real time.
andLesp at least some of the documents are compatible with boards, interactive touch screens that allow the projected image annotation. This benefits users in all these places. The teacher can add a student observation to the image; An expert witness in the courtroom can identify the main features of evidence; The trader can focus attention on the key aspects of the presentation of the product. The fact that documents can show events that take place in real time is also facilitated by demonstrations of lectures on very fine or small events that would not otherwise be visible, including changes that occur in the chemical reaction or demonstration of Japanese calligraphy. In addition, if there is a zoom capacity, the document camera can act as a microscope.