Composite, multifunctional tactile sensor

Details Composite, multifunctional tactile sensor Composite, multifunctional tactile sensor

1984-04-16

1985-12-03

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to multiple loads or load components

73432T, 7386268, 310338, 310800, 901 33, G01L 116, G01L 516

Patent

active

045559538

ABSTRACT:
A device is provided through which a set of information concerning tactile interaction between a manipulator and an object to be recognized is provided to the user. Several configurations are described, based on the piezo- and pyro-electric (ferroelectric) properties of polymeric materials, such as the polymer polyvinylidene fluoride (PVF.sub.2 or PVDF), different polypeptides and copolymers of PVF.sub.2 and TrFE. By arraying in a proper way various sensing layers, each featured by different sensory capabilities, a laminated sensor structure is obtained, able to provide a set of tactile information. The multilayered structure of the proposed device is inspired to that of the human skin, which includes superficial (epidermal) and deep (dermal) sensors.

REFERENCES:
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patent: 4302138 (1981-11-01), Zarudiansky
patent: 4328441 (1982-05-01), Kroeger, Jr. et al.
patent: 4348611 (1982-09-01), Ruppel et al.
patent: 4405402 (1983-09-01), Quilliam
patent: 4471369 (1984-09-01), Anthony et al.
patent: 4491760 (1985-01-01), Linvill
Fukada et al., "Piezoelectricity and Ferroelectricity in Polyvinylidene Fluoride", Ultrasonics, vol. 19, No. 1, Jan. 1981, pp. 31-39.

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