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EP0574017A2
Expired / Lapsed
EP
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Bar code reader
Assignee: NEC Corp
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Filing: 1993-06-11
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Granted: —
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Expires: 2013-06-11
Abstract
Abstract A bar code reader shortening transport distances of articles and increasing processing performance, comprising: a conveyance means conveying articles to a predetermined area, a first to n-th (wherein n is an integer equivalent to 2 or more) read means reading information of a bar code attached on an article that is conveyed by the conveyance means, an article location detection means detecting, in the read area, location of (n-k) (wherein k is an integer equivalent to 0 or more, and n-k>/=2) pieces articles conveyed by said conveyance means, a control means controlling to make the first to (n-k)-th read means read each bar code attached on the first to (n-k)-th articles conveyed to the read area based on an output signal of the article location detection means. <IMAGE>
Inventors
- 👤 Nishimura Nec Engineering Ltd. Mikiya
- 👤 Ishii Nec Engineering Ltd. Kazuo
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 01:13
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10861; G06K2207/00; G06K2207/1012
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
118 words
A bar code reader comprising: a conveyance means conveying articles to a predetermined area, a first to n-th (wherein n is an integer equivalent to 2 or more) read means reading information of a bar code attached on an article that is conveyed by the conveyance means, an article location detection means detecting, in the read area, location of (n-k) (wherein k is an integer equivalent to 0 or more, and n-k≧2) pieces articles conveyed by said conveyance means, a control means controlling to make the first to (n-k)-th read means read each bar code attached on the first to (n-k)-th articles conveyed to the read area based on an output signal of the article location detection means.
Claim 2
Dependent Claim
24 words
The bar code reader as set forth in claim 1, characterized in that the article location detection means is of a shading type detector.
Claim 3
Dependent Claim
24 words
The bar code reader as set forth in claim 1, characterized in that the article location detection means is of a light-reflection type detector.
Claim 4
Dependent Claim
70 words
The bar code reader as set forth in claim 1, characterized in that the article location detection means comprises an article existence detector detecting existence of an article, a speed detector detecting the moving speed of the conveyance means, an article location calculator detecting, in the read area, location of an article conveyed by the conveyance means based on output signals of said article existence detector and the speed detector.
Claim 5
Dependent Claim
82 words
The bar code reader as set forth in claim 1, characterized in that the read means comprises a scanning means scanning a bar code attached on an article, a receiving means receiving information of the bar code from the scanning means through the bar code, a conversion means converting a signal from the receiving means to a predetermined symbol, a memory section storing conversion information converted to a predetermined symbol by the conversion means and outputting designated information to the control means.
Claim 6
Dependent Claim
23 words
The bar code reader as set forth in claim 5, comprising an output means outputting information supplied from the memory section to outside.
Claim 7
Dependent Claim
28 words
The bar code reader as set forth in claim 5, characterized in that the pattern formed by the scanning lines from the scanning means is an X-shaped pattern.
Claim 8
Dependent Claim
39 words
The bar code reader as set forth in claim 5, characterized in that the control means is comprised to instruct beginning of conversion operation to the conversion means based on an output signal of the article location detection means.
Claim 9
Dependent Claim
39 words
The bar code reader as set forth in claim 5, characterized in that the control means is comprised to instruct completion of conversion operation to the conversion means based on an output signal of the article location detection means.
Claim 10
Dependent Claim
29 words
The bar code reader as set forth in claim 5, characterized in that the conversion means is comprised to start conversion operation by an instruction of the control means.
Claim 11
Dependent Claim
29 words
The bar code reader as set forth in claim 5, characterized in that the conversion means is comprised to complete conversion operation by an instruction of the control means.
Claim 12
Dependent Claim
51 words
The bar code reader as set forth in claim 5, characterized in that the control means is comprised to designate a necessary information among information stored in the memory section based on the output signal of the article location detection means and instruct the memory section to output the designated information.
References Cited (Backward Citations)
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