Measuring instrument and method

Geometrical instruments – Distance measuring – Opposed contacts

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Details

33819, 364560, G01B 702

Patent

active

053374886

ABSTRACT:
A measuring device, such as a micrometer or other form of dimensional measuring instrument, is provided which is operable to indicate dimensional measurements made thereby in numerical form on a display, such as an electronic digital display. The measuring device or micrometer is controlled to generate digital electrical signals which are indicative of a measurement, which signals of each measurement are recorded in an electronic memory which may be supported by the device or connected thereto. The memory is employed to both indicate each measurement as it is made and to record all or selected measurements made for future reference. Other information generated, for example, by a suitable input means such as a keyboard, and defining such variables as part number, part lot, time and date of measurement, etc. may be recorded in such memory along with the recording or recordings of data defining the measurements made.

REFERENCES:
patent: 3226833 (1966-01-01), Lemelson
patent: 3924336 (1975-12-01), Inoue
patent: 4103427 (1978-08-01), Ledley
patent: 4161781 (1979-07-01), Hildebrandt et al.
patent: 4176460 (1979-12-01), Kaye
patent: 4437241 (1984-03-01), Lemelson

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