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US 2026/0079031 A1Published application
Multi-axial multi-modal optical tactile sensor
AssigneeSmartHap LLC
InventorBingxu Li
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Abstract
A sensing device comprising an optical tactile sensor that comprises a sensing block is provided. The sensing block is made of a light-transmitting and elastic base material, and comprises a plurality of sensing cells. The sensing device may further comprise an optic fiber, a light sensor, and a calibration cell. A method of making the sensing device is also provided. The optical tactile sensor can provide multi-axial and multi-modal capabilities to practical applications.
Claims20
A sensing device comprising:
- an optical tactile sensor that comprises:
- a sensing block, wherein
- the sensing block comprises a top surface, a bottom surface, and a side surface,
- the sensing block is made of a light-transmitting and elastic base material,
- the sensing block comprises a plurality of sensing cells disposed within the sensing block, and
- the light transmittance of the base material is different from the light transmittance of any of the sensing cells.
3 more elements
A sensing system comprising:
- an optical tactile sensor and a processing unit, wherein the optical tactile sensor comprises a sensing block, an optic fiber, a light sensor, and a calibration cell, wherein:
- the sensing block comprises a top surface, a bottom surface, and a side surface,
- the sensing block is made of a light-transmitting and elastic base material,
- the sensing block comprises a plurality of sensing cells disposed within the sensing block, and
- the light transmittance of the base material is different from the light transmittance of any of the sensing cells,
- and wherein the processing unit is configured to detect at least one of multi-axial pressure, temperature, humidity, impact, vibration, and triboelectric effect based on a signal captured by the sensing block.
3 more elements
Dependencies are inferred from the claim text.