SENSOR, MOVABLE PLATFORM AND MICROWAVE RADAR SENSOR
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United States of America Patent
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Issued Date -
Aug 11, 2022
app pub date -
Apr 28, 2022
filing date -
Nov 4, 2019
priority date (Note) -
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Abstract
A sensor, a movable platform, and a microwave radar sensor are provided. The sensor may include a motor, a rotating body, and a grating sensor. The motor may include a stator and a rotor rotatably connected to the stator, and the stator may have a mounting end face in an extension direction of a rotation center line of the rotor. The rotating body may be fixedly connected to the rotor. The grating sensor may include a grating code disc and a reading head assembly matched with the grating code disc. The grating code disc may be disposed on the mounting end face. The reading head assembly may be connected to the rotating body, and its position is opposite the position of the grating code disc. The reading head assembly may cooperate with the grating code disc to sense a rotation angle of the rotating body.
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