Invention Grant
US07800581B2 User input device with self-centering flat spring 有权
用户输入装置,具有自定心平板弹簧

User input device with self-centering flat spring
Abstract:
A user input device utilizes a self-centering flat spring to allow a user interface structure of the device to be manipulated by a user and to return the user interface structure back to its initial position.
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