Optical data storage technology

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6215755
SERIAL NO

09169041

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A read/write arm for use in an optical memory system. The read/write arm of the present invention has reflective surfaces for directing an optical beam from the arm rotation axis on to an optical disk. The arm features a lightweight lens mounted at one end of the arm for focusing a light beam onto an optical disk. The focal distance of the light beam may be adjusted using piezoelectric actuators mounted on the read/write arm for precisely deflecting the arm. The light beam may be further adjusted through use of a relay lens interposed between a collimating lens and the object lens. This arrangement is advantageously optimized through the use of feedback loops.

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Patent Owner(s)

Patent OwnerAddress
BLUE SKY RESEARCH INC4030 MOORPARK AVE SUITE 101 SAN JOSE CA 95117

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johnston, Ross Santa Cruz, CA 5 9
Kwiatkowski, Stephen L Sunnyvale, CA 7 135
Snyder, James J Soquel, CA 29 644

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