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Input device for magnifying a screen content and method thereof

  • US 9,653,043 B2
  • Filed: 02/06/2013
  • Issued: 05/16/2017
  • Est. Priority Date: 02/06/2013
  • Status: Active Grant
First Claim
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1. A method for magnifying a screen content executed by an input device, the method being suitable for magnifying a screen content of a computer device, the input device comprising a control unit, a input operation unit with a function key and a connection interface, the control unit being coupled between the input operation unit and the connection interface, the connection interface being for coupling to the computer device, and the method comprising:

  • the computer device including an application software with the software magnifier, and the application software acquiring version information of an operation system and generating an informed command including the version information;

    the input device receiving the informed command from the computer device, wherein the informed command indicates whether the operation system of the computer device supports a system magnifier;

    if the operation system supports the system magnifier, the control unit of the input device outputting a first magnification command to the computer device according to pressing of the function key, the computer device then initiating the system magnifier provided by the operation system and magnifying the screen content according to the first magnification command, wherein the first magnification command includes a fast key signal for initiating the system magnifier, a time delay signal and a fast key signal for adjusting the system magnifier; and

    if the operation system does not support the system magnifier, the control unit of the input device outputting a second magnification command provided by the input device to the computer device according to the pressing of the function key, wherein the second magnification command initiates a software magnifier to magnify the screen content.

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