Position sensing readout

Details Position sensing readout Position sensing readout

1974-11-04

1977-07-12

Wilbur, Maynard R.

Communications: electrical

Selective

System having rectifier

73 67, G01S 380

Patent

active

040357627

ABSTRACT:
Apparatus for determining linear or angular measurements or measurements of positions on a planar or curved surface, which apparatus uses at least one delay element, such as a magnetostrictive element, for example, which is capable of supporting an accoustic wave signal. The one or more delay elements may be in the form of bands, rods, wires, planar or spherical structures, and the like, and can be arranged in various embodiments to provide linear or angular position information for single, dual, and multiaxis geometry. They can be used, for example, to provide single or multispeed resolver operation and three-axis attitude read-out. In preferred embodiments the apparatus uses phase measurement techniques so that high accuracy can be achieved.

REFERENCES:
patent: 3121955 (1964-02-01), King
patent: 3134099 (1964-05-01), Woo
patent: 3140612 (1964-07-01), Houghton et al.
patent: 3156766 (1964-11-01), Stamps
patent: 3428789 (1969-02-01), Richard
patent: 3534609 (1970-10-01), Grenfell et al.
patent: 3717033 (1973-02-01), Gordon et al.

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