| 摘要 |
A controller 11 for a portable touchscreen device 1 comprises a casing 13 having means 15, 17 to retain the device and a viewing aperture 19 through which most of the screen 3 of the device may be viewed. The controller further comprises multiple control buttons 21-37 adjacent to the viewing aperture but remote from the screen, and multiple control pads 39-49 positioned where they can be in contact with a peripheral portion of the screen. A coupling rod 61 located between each control button and its corresponding control pad is used to translate actuation of the control button into actuation of the control pad. The coupling rod normally provides an electrical disconnect between the button and the pad until the button is operated, at which point a conductive path between the button and the pad is created. This allows the control buttons to be located away from the screen so that they do not impede the view of the user, whilst allowing for maximum control function. |
