| 摘要 |
The objective of the invention of the present application is to provide an electronic blackboard system which can be easily attached to an existing blackboard at low cost, which can add an electronic blackboard function while keeping the function of the blackboard etc., as it is, and which can be operated easily even by a person unfamiliar with personal computer operation, and which can be further operated by a user at a position distant from a screen. The present invention is configured to comprise: a writable/erasable writing board (1); a projector (2) which projects an image onto the writing board (1); an adaptor (3) which is connected to the projector (2) and supports mirroring; and a portable information terminal (4) which is connected to the adaptor (3), which supports mirroring, and on which a touch operation can be performed. An image selected through a touch operation on the display part of the portable information terminal (4) is mirrored and projected on the writing board (1) from the projector (2) via the adaptor (3). |
