System and method for transporting data
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United States of America Patent
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Apr 1, 1986
Grant Date -
N/A
app pub date -
Aug 5, 1983
filing date -
Aug 5, 1983
priority date (Note) -
Expired
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Abstract
A private local area network (LAN) is created for use with a variety of transmission media for the purpose of exchanging data preassigned addresses, and control signals according to simplified protocols. The LAN members can consist of any combination of computers, electronic devices or terminals adapted for intercommunication via microprocessor-based modems which are capable of performing either master or slave functions within the LAN in accordance with their individual software designations. Each modem operating on the LAN has the capability of filtering analog noise, detecting/blocking digital data errors, operating within a wide range of appropriate line impedances, and both transmitting and receiving digital data at rates in the neighborhood of 85 kbaud in the form of frequency, or tone, bursts according to a hybrid ASK/FSK data encoding an transmission scheme. That encoding/transmission scheme consists of the selection of one frequency, or tone, to be both transmitted and received for a duration equivalent to no more than one-half the bit period of a '1' and of the selection of a second frequency to be both transmitted and received for a duration equivalent to no more than one-half the bit period of a '0'.
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Patent Owner(s)
- CONSULTANT'S CHOICE INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Andruzzi, Jr Anthony M | Acworth, GA | 2 | 94 |
Warner, Stanley B | Gainesville, GA | 1 | 83 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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