Adding a keypad to a device configured with a wireless receiver
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United States of America Patent
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Mar 19, 2019
Grant Date -
Oct 12, 2017
app pub date -
Sep 1, 2015
filing date -
Sep 18, 2014
priority date (Note) -
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Abstract
A device including a remote control of remote operation of the device is described. The remote control includes a key matrix and a microprocessor. The microprocessor processes key scan codes from the key matrix and converts the key scan codes to amplitude modulated remote control commands for transmission by a wireless transmitter. The device includes components so that a user can operate the device locally without a remote control. The components in the device that enable local operation of the device are comparable to components in the remote control that enable remote operation of the device so that a minimum of changes are required in the device to enable local operation of the device.
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