| 摘要 |
In a presentation with the aid of slides by using an overhead projector, slide devices or computer software packages it is necessary for slides to be displayed forward or backward in a sequence. Moreover two or three machines are used to contribute flexibility to the presentation. This invention eliminates the obligation of presenting slides in a sequence by enabling right, left, upward and forward movement between the files (pages) interconnected to each other by motion keys (fields) on computer screen or presentation screen within the visual presentation plan by use of a wireless remote controller, cable connected hand controller or laser pointer.
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