Identification system

Details Identification system Identification system

1986-11-26

1988-01-26

Weidenfeld, Gil

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

40628, 40630, 40913, 279 1TS, 408 16, 409234, G09F 1102

Patent

active

047209070

ABSTRACT:
A system for marking and identifying objects, particularly work implements such as tools and work piece holders required in manufacturing processes, which has modules (4) with electronically readable markings, which modules (4) are to be arranged on the objects (1) to be marked, as well as an evaluating device having at least one pick-up capable of reading the markings. Each module contains at least one oscillating circuit (5, 6, 7) to produce a characteristic resonant frequency or resonant frequency combination. The number of different resonant frequencies or resonant frequency combinations provided corresponds to the number of different elements in the selected characterizing code, and the resonant frequency or resonant frequency combination of each module (4) is selected according to one of these frequencies or frequency combinations. The modules (4), which are to be fixed to the object (1), are selected and arranged according to the elements necessary for the representation of the marking of the object (1) in the selected code.

REFERENCES:
patent: 1984839 (1934-12-01), Murray
patent: 3128645 (1964-04-01), Anthony
patent: 3251150 (1966-05-01), Sedgwick et al.
patent: 4588339 (1986-05-01), Bilz
patent: 4620362 (1986-11-01), Reynolds

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