| 摘要 |
PROBLEM TO BE SOLVED: To provide a camera detachable-type document camera that can cope with various commercially available digital cameras without specifying a digital camera, and can provide an effect similar to a document camera anywhere as long as there are a personal computer and a projector.SOLUTION: A document camera of which the camera part is detachable can use a general-purpose digital camera for the camera part, and can wirelessly transfer image data taken with the digital camera to allow an enlarged image to be quickly displayed on an electronic blackboard or the like without time lag. In addition, it comprises two popular proximity wireless communication means so as to be able to cope with many more terminals. It also comprises a common adapter that can easily connect with an existing ICT environment and use it in the same manner as a document camera if there are a personal computer and a projector.SELECTED DRAWING: Figure 3 |
