Tactile sensor

Details Tactile sensor Tactile sensor

1980-01-21

1981-12-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250215, G01D 534

Patent

active

043061486

ABSTRACT:
A tactile area sensor for robots has an array of pneumatic flow passages. The air flow in each passage is dependent on a localized force exerted by an object pressing against an elastic pad on the face of the sensor. The air flow impinges on a metallic tab and its angular displacement is sensed by directing a light beam from an optical fiber onto the tab and monitoring the quantity of light reflected to a paired optical fiber. The array of optical outputs can be presented to a charge injection device and are dependent on the shape of the object.

REFERENCES:
patent: 3304381 (1967-02-01), Shlesinger
patent: 4013342 (1977-03-01), Narodny
patent: 4049964 (1977-09-01), Wuchinich

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