Network system, data transmitter-receiver and failure location/compensation method
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United States of America Patent
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Mar 25, 2008
Grant Date -
Aug 5, 2004
app pub date -
Nov 6, 2003
filing date -
Nov 7, 2002
priority date (Note) -
Expired
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Abstract
A data transmitter-receiver 30 arranged on a ring network to form a node includes a normal-direction data transmit/receive unit 19, a reverse-direction data transmit/receive unit 20, a buffer control unit 13, a controller 14, and connectors 11, 12. The normal-direction data transmit/receive unit 19 includes a received signal demodulator 7, an input buffer 3, an output buffer 1, an intermediate buffer 2, a sending signal modulator 8, and data buses 15, 16. The reverse-direction data transmit/receive unit 20 has the same construction as the normal-direction data transmit/receive unit 19. Two-way data transmission and verification of transmitted data in each node serves to locate a failure, and the buffer control unit 13 selectively activates or deactivates the buffers to compensate the failure. Thus, adequate detection, accurate location, proper compensation of a failure can be achieved in a relatively low-cost network system so that the communication functionality of the whole system can be maintained.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- HONDA MOTOR CO., LTD.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ohno, Yasuaki | Wako, JP | 5 | 43 |
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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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