Capacitive sensor for measuring a displacement

Details Capacitive sensor for measuring a displacement Capacitive sensor for measuring a displacement

1987-09-28

1989-06-20

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

34087037, G01R 2726

Patent

active

048412252

ABSTRACT:
A capacitive sensor for measuring a displacement comprises a slide carrying groups of emitting electrodes (1 to 32) disposed facing receiving electrodes (51 and 52) carried by a scale. A periodic configuration of signals is applied to the emitting electrodes by electronic circuits (60 to 65h) which permit a separate switching of each group of electrodes. There is thus obtained a more precise definition of the signals received by the receiving electrodes situated facing the scale and thus a greater precision of the measurement of displacements.

REFERENCES:
patent: 3857092 (1974-12-01), Meyer
patent: 4206401 (1980-06-01), Meyer
patent: 4420754 (1983-12-01), Andermo
patent: 4437055 (1984-03-01), Meyer
patent: 4449179 (1984-05-01), Meyer

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