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公开(公告)号：US20240426638A1
公开(公告)日：2024-12-26
申请号：US18340415
申请日：2023-06-23
Applicant: SARCOS CORP.
Inventor： Richard Kirby , Fraser Smith , Marc Olivier
IPC: G01D5/34
Abstract: A sensor, method and integrated circuit for optically sensing the relative displacement of an object. The sensor may generate optical patterns of light and employ a multielement photodetector to detect the light and output corresponding analog signals proportional to the light detected. The sensor may achieve a sample rate that is orders of magnitude greater than conventional systems. The sensor may also achieve image resolution that is orders of magnitude greater than conventional systems. The sensor is useful for applications including the measurement of linear displacement and rotation, force, torque, or strain with respect to multiple degrees of freedom.
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公开(公告)号：US20230251081A1
公开(公告)日：2023-08-10
申请号：US17669199
申请日：2022-02-10
Applicant: SARCOS CORP.
Inventor： Richard Kirby , Fraser M. Smith , Marc X. Olivier
CPC classification number: G01B11/272 , G06T7/74 , G01B11/167 , G01L1/24 , G01P3/36 , G01P15/18
Abstract: A compact displacement sensor comprises a light intensity pattern object, a micro-lens array and an imaging device including a light-intensity measuring surface. The micro-lens array is disposed between the light intensity pattern object and the imaging device such that each micro-lens focuses a corresponding sub-image making up a portion of the light-intensity pattern on the light-intensity measuring surface to create thereupon an image of the object comprising an array of focused sub-images. The displacement sensor can provide high resolution measurements of displacement of the light intensity pattern object from a reference position by registering subsequent images captured after a change in relative position between light intensity pattern object and the imaging device to a reference image based on pattern portions in the focused sub-images.
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