Sample plate for supporting bar code scanning

Details Sample plate for supporting bar code scanning Sample plate for supporting bar code scanning

2011-04-26

2011-04-26

Hess, Daniel A (Department: 2876)

Registers

Coded record sensors

Feed mechanisms

C235S379000, C235S462010, C235S462140, C235S462410, C235S462430, C422S065000, C435S288300, C435S288700

Reexamination Certificate

active

07931201

ABSTRACT:
A sample plate for supporting bar code scanning is provided, comprising first-circle sample slots distributed along the circumference of the sample plate and clear slots each communicating correspondingly with each of the sample slots, wherein an angle α is formed between the line connecting the center of the circle of each first-circle sample slot to that of the sample plate and the axis of the corresponding clear slot, and the range of α is 4°<α<8°. As an angle is formed between the direction of the axis of the clear slot and that of the diameter of the sample plate, it is able to guarantee a reasonable range of the incident angle when the bar code scanning light is projected on the surface of the bar code.

REFERENCES:
patent: 5979761 (1999-11-01), Wurz et al.
patent: 6167767 (2001-01-01), Mengel et al.
patent: 2002/0085959 (2002-07-01), Carey et al.
patent: 2006/0210435 (2006-09-01), Alavie et al.
patent: 1204816 (1999-01-01), None
patent: 09231299 (1997-09-01), None
patent: 2000099618 (2000-04-01), None
China patent application No. 200620015430.1, Search Report dated Aug. 8, 2007.
China patent publication No. CN2354186, “Angel-adjustable bar-code scanner”, published Dec. 15, 1999. No English translation available.
China patent publication No. CN2153828, “Bar-code through scanner”, published Jan. 19, 1994. No English translation available.

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