Object-marking means, method for making such means and reading d

Details Object-marking means, method for making such means and reading d Object-marking means, method for making such means and reading d

1991-06-21

1994-05-17

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

235454, 235491, 250271, 340600, 382 48, G02B 2100

Patent

active

053131932

ABSTRACT:
An identification system is disclosed which includes marks on an object for locating a region of the object which contains an identification in the form of either an etching or a responsive electronic circuit and a detection device for detecting the proximity of the first mark in order to localize the position of the etching or responsive electronic circuit so that the etching or responsive electronic circuit may be read.

REFERENCES:
patent: 3528059 (1970-09-01), Spanjersberg
patent: 4180204 (1979-12-01), Koenig et al.
patent: 4373159 (1983-02-01), Leavitt et al.
patent: 4656463 (1987-04-01), Anders et al.
patent: 4910521 (1990-03-01), Mellon
patent: 4960984 (1990-10-01), Goldenfield et al.

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