초록 ▼

A system for processing articles selected for purchase and bearing distinct identification codes comprises, in one version: (a) a code reader for generating an output signal indicative of such article identification code; (b) a conveyor for receipt and transport of such article; (c) an entrance sent

A system for processing articles selected for purchase and bearing distinct identification codes comprises, in one version: (a) a code reader for generating an output signal indicative of such article identification code; (b) a conveyor for receipt and transport of such article; (c) an entrance sentry for defining an inlet to a secured zone extending along a portion of the conveyor and for generating an output signal indicative of entry of the article into the secured zone and of a measurable characteristic of the article; and (d) a controller for selective movement of the conveyor in respective article acceptance and article rejection senses. The controller is operable in several respects, namely, for storage, for each of a plurality of such articles, of a signal indicative of a predetermined value of the measurable article characteristic correlated with such article identification code, for response to the code reader output signal for comparison of such stored signal with the output signal of the sentry, and for operation of the conveyor selectively in response to the results of such comparison.

대표청구항 ▼

A system for processing articles selected for purchase and bearing distinct identification codes, said system comprising: (a) code reader means for generating an output signal indicative of such article identification code; (b) conveyor means for receipt and transport of such aricle; (c) sentry mean

A system for processing articles selected for purchase and bearing distinct identification codes, said system comprising: (a) code reader means for generating an output signal indicative of such article identification code; (b) conveyor means for receipt and transport of such aricle; (c) sentry means for defining an inlet to a security zone extending along a portion of said conveyor means, said sentry means including sensor means for generating an output signal jointly indicative of entry of said article into said security zone and of a first measurable characteristic of said article; (d) control means for selective movement of said conveyor means in respective article acceptance and article rejection senses, said control means being operable I. for storage, for each of a plurality of such articles, of a signal indicative of a predetermined value of said first article characteristic correlated with such article identification code, II. for response to said code reader means output signal for comparison of such stored signal with said output signal of said sentry means, and III. for operation of said conveyor means selectively in response to the results of said comparison.