Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2007-09-04
2007-09-04
Pham, Hai (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
C347S256000
Reexamination Certificate
active
10831289
ABSTRACT:
An image detection device includes a light source, an image sensor, a light guiding device, an image focusing device and a housing. The light source is configured to irradiate a pattern image with a light beam. The light guiding device is located on a first light path from the light source to the pattern image and is configured to guide the light beam irradiated by the light source to the image and further guide the light reflected from the pattern image to the image sensor along a second light path. The image focusing device is located on the second light path of from the light guiding device to the image sensor and is configured to focus the light reflected from the pattern image on the image sensor. The housing is configured to contain the light source, the image sensor, the light guiding device and the image focusing device.
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U.S. Appl. No. 10/667,305, filed Sep. 23, 2003, Satoh.
Aoki Minoru
Satoh Nobuyuki
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Pham Hai
Ricoh Company Limited
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