Key and mouse
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
Jan 19, 2016
filing date -
Mar 18, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A key includes a cap, a spring, a magnet, a spring supporting device, an upper limit device, a lower limit device, a displacement detection device, and a displacement determination device; the spring is located below the cap and, the spring is disposed on the spring supporting device; the magnet is placed on either of the upper limit device or lower limit device; the spring is magnetically pressed against the magnet; the displacement detection device is mounted on the spring and moves between the upper limit device and lower limit device following deformation of the spring; the cap is configured to generate a click motion; the displacement determination device is located at one side of the displacement detection device; the device moves back and forth with respect to the displacement determination device following the movement of the spring; and the displacement determination device is electrically connected with an external circuit.
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