Device for locating the unknown position of an electrical conduc

Details Device for locating the unknown position of an electrical conduc Device for locating the unknown position of an electrical conduc

1989-06-19

1991-02-05

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

178 20, G08C 2100

Patent

active

049907255

ABSTRACT:
The device locates the position x of the point of connection of one of the electric conductors (2) of unknown ohmic values, connected to unknown separate points of a collecting resistor (R.sub.1) of unknown but constant ohmic value per unit length, to which a standard resistor (R.sub.e) is also connected whose ohmic value is a known optimal multiple (k) of that of R.sub.1. The superposition of two such devices, separated by small rods of elongated form, may serve to create a dependable and inexpensive opaque or transparent panel allowing the locating of the position (x, y) of the one of its points as soon as a slight pressure is exerted on this point.

REFERENCES:
patent: 4570149 (1986-02-01), Thornburg et al.
Patent Abstract of Japan, vol. 7, No. 192, (P-218), (1337), Aug. 23, 1983.

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