Instruction communication system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5769643
SERIAL NO

08597729

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An instruction communication network which employs low-cost cordless telephone technology to broadcast information to students. A first computer operated by a student includes a first cordless telephone transceiver. A second computer operated by a teacher transfers instruction data to the first computer and includes a second cordless telephone transceiver. The cordless telephone transceivers preferably operate at frequencies designated by the FCC and has a transmission range less than five thousand feet. A typical frequency of operation is in a frequency band near 900 MHz. The first computer may encrypt responses to the instruction data.

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Patent Owner(s)

Patent OwnerAddress
AT&T GOBAL INFORMATION SOLUTIONSLAW DEPARTMENT ECD-2 101 W SCHANTZ AVENUE DAYTON OH 45479

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stevens, III Harden E Lexington, SC 4 318

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