Identification system

Details Identification system Identification system

1979-04-25

1979-08-21

Cook, Daryl W.

Registers

Coded record sensors

Particular sensor structure

235449, 235490, 343 68R, G06K 700, G06K 708, G06K 1906, G01S 956

Patent

active

041650336

ABSTRACT:
An identification system comprising a plurality of differently frequency coded markings including mechanical vibrating means, and a detector device for detecting the frequency or combination of frequencies of the vibrating means. The vibrating means of the various markings are preferably made from identical comb-like members having teeth which are vibratory with different natural frequencies and of the type used in small music boxes. The different frequency codes may then be obtained by removing teeth in different combinations from the members used in the various markings. The markings may, for example, be arranged on dairy cattle, and the identification system may then be used in connection with a milk sampling system.

REFERENCES:
patent: 3185964 (1962-04-01), Margiloff
patent: 3299424 (1967-01-01), Vinding
patent: 3377618 (1968-04-01), Dersch
patent: 3521280 (1970-07-01), Janco et al.
patent: 3816708 (1974-06-01), Walton
patent: 3842246 (1974-10-01), Kohler
patent: 4058707 (1977-11-01), Giolitti et al.

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