Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2007-11-20
2007-11-20
Nguyen, Lamson (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
C347S224000, C347S248000, C347S256000, C347S262000
Reexamination Certificate
active
11228166
ABSTRACT:
A method and an apparatus for drawing a visible image on an optical disk incorporate an optical pickup, which irradiates an optical beam onto the optical disk through its objective lens. The optical disk, which has a target layer on which the drawing is to be performed, is rotated while applying an oscillation signal to a focus actuator of the optical pickup to thereby vibrate the objective lens in an optical-axis direction thereof so that the focus point of the optical beam recurrently passes through the target layer of the optical disk. The power of the optical beam is controlled to form a recording spot on the target layer each time the focus point of the optical beam passes through the target layer so that a visible light property of the target layer is changed to thereby perform the drawing on the target layer.
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Hewlett-Packard showcasing at CES 2004, LightScribe Direct Disc Labeling, News Advisory, Jan. 2004, http://www.hp.com/hpinfo
ewsroom/press—kits/2004/ces/fs—lightscribe.pdf.
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Nguyen Lamson
Rossi Kimms & McDowell LLP
Seo Justin
Yamaha Corporation
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