Collective objects management system using R.F. object indentification

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5977875
SERIAL NO

09144391

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A collective objects management system for objects such as documents contained in file folders in drawers of file cabinets. Each file folder has an electrical circuit with a visible indicator mounted on the file folder. Each folder circuit has a crystal which is responsive to an R.F. signal of a specific frequency, the frequency being different for each folder circuit. An associated computer operates an R.F. signal generator to produce an R.F. signal at the frequency of the particular folder circuit of the file folder selected for retrieval. To aid the user, each file drawer has a visible indicator mounted on the front panel, the panel indicator being illuminated when the sought folder is contained in that drawer. The R.F. signal generator can be operated in a sweep mode for checking the integrity of the file. The invention can be applied to a wide variety of collective objects management systems, such as supermarkets, automobile parts distributors, and various manufacturing operations.

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First Claim

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Patent Owner(s)

  • MAGNEX CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lin, Fong-Jei Saratoga, CA 15 421
Zhu, Shengbo San Jose, CA 55 778

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