US PATENT SUBCLASS 702 / 87-- .~ Zeroing (e.g., null)

US PATENT SUBCLASS 702 / 87
.~ Zeroing (e.g., null)

Current as of: June, 1999
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702 /	HD	DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING

85	DF	CALIBRATION OR CORRECTION SYSTEM {18}
87		.~ Zeroing (e.g., null)

DEFINITION

Classification: 702/87

Zeroing (e.g., null):

(under subclass 85) Subject matter comprising means correcting a drift or an offset error from a null point or a baseline.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88, for zero-full scaling.

101+, for calibration or correction of a weighing system.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

307, for baseline or DC offset correction. 356, Optics: Measuring and Testing,

228, for calibration of a photoelectric moveable scale.