Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1983-09-19
1984-10-16
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
34087037, G08C 1910, G01R 2726
Patent
active
044778600
ABSTRACT:
In a printed circuit, a plurality of drive electrodes are arranged in an array which is symmetrical about a center detector electrode. A plurality of conductive arms extend outwardly from the center electrode between adjacent electrodes in the array. One of the conductive arms extends to a contact point outside the array and provides electrical communication in the form of an electrical conductive path from the center electrode to the contact point. The remaining arms terminate substantially co-extensive with the radial extremity of the drive electrodes in the array and eliminate inadvertent imbalances in the output signal from the array.
REFERENCES:
patent: 2892152 (1959-06-01), Buisson
patent: 3873916 (1975-03-01), Sterki et al.
patent: 4007454 (1977-02-01), Cain et al.
patent: 4233593 (1980-11-01), Bigelow
Cain Charles J.
Wason Thomas D.
Cain Encoder Company
Garmon Judith E.
Griffin Donald A.
Rhodes Charles R.
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