Scanning unit suitable for applications with a high-speed...

Details Scanning unit suitable for applications with a high-speed... Scanning unit suitable for applications with a high-speed...

2007-05-22

2007-05-22

Nguyen, Kimberly D. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S454000

Reexamination Certificate

active

11185278

ABSTRACT:
A scanning unit includes a lamp-mounting body having a top surface formed with an elongate opening that is disposed between a pair of parallel first and second grooves. First and second reflective layers are attached respectively over curved groove-defining surfaces of walls defining respectively the first and second grooves. Tubular first and second lamps are mounted respectively in the first and second grooves. An intersecting line of a first plane in which a middle line of the curved groove-defining surface defining the first groove and a first central axis of the first lamp are disposed, and a second plane in which a middle line of the curved groove-defining surface defining the second groove and a second central axis of the second lamp are disposed, is located on a scanning surface, and is disposed directly above the opening.

REFERENCES:
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patent: 4703186 (1987-10-01), Nakayama et al.
patent: 5170047 (1992-12-01), Beauchamp et al.
patent: 5854867 (1998-12-01), Lee et al.
patent: 6268938 (2001-07-01), Lee
patent: 6563609 (2003-05-01), Hattori
patent: 6597428 (2003-07-01), Adachi et al.
patent: 2003/0075696 (2003-04-01), Kiermeier et al.

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