by the detection of the position of the indicator needle

Introduced: January 1980

Last revised: January 2006

Full Title

Details of instruments > Indicating devices, e.g. for remote indication > Arrangements of scales, pointers, lamps, or acoustic indicators, e.g. in automobile speedometers > for indicating predetermined speeds > by the detection of the position of the indicator needle

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT; INDICATING DIRECTION OF MOVEMENT