Capacitive tactile sensor

Details Capacitive tactile sensor Capacitive tactile sensor

1984-09-11

1986-04-22

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

414 5, 901 33, H01G 700, B25J 300, A61F 106

Patent

active

045846251

ABSTRACT:
Contact pressure between the surface of the sensor and the surface of a second object can be measured by a change in capacitance across compressible cells, which comprise the active elements of the sensor. The design allows for the accurate measurement of different pressures at different locations in the area of contact (spatial discrimination), and can be used over a wide range of pressure. As a passive device, it requires external modulation and detection.

REFERENCES:
patent: 3173745 (1965-03-01), Stone
patent: 3233247 (1966-02-01), Rychlewski
patent: 3449008 (1969-06-01), Colechia
patent: 3509583 (1970-05-01), Fraioli
patent: 3904234 (1975-09-01), Hill et al.
patent: 3980888 (1976-09-01), Gudden
patent: 4266263 (1981-05-01), Haberl et al.
patent: 4302138 (1981-11-01), Zarudiansky
patent: 4371744 (1983-02-01), Badet
patent: 4458989 (1984-07-01), Tschang
patent: 4521685 (1985-06-01), Rebman

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