Patent ID: 8746893

Claim:
An image projection system comprising: a projector that projects an image provided by a computer, the computer providing a plurality of page images generated by application software; and a remote controller that transmits a remote control signal to the projector; the projector including: an adjustment section which adjusts the projector based on the received remote control signal when the projector projects a predetermined menu image; and a computation control circuit which controls the computer based on the received remote control signal when the projector does not projects the predetermined menu image, and the remote controller including: a page reverse button for changing a projected current page image among the plurality of page images to a previous page image among the plurality of page images; a page advance button for changing a projected current page image among the plurality of page images to a next page image among the plurality of page images; and a transmitter that wirelessly transmits the remote control signal, the projector transferring a controlling signal to change the projected current page image to the previous page image to the computer when the page reverse button is operated, and the projector transferring a controlling signal to change the projected current page image to the next page image to the computer when the page advance button is operated.