US Patent No: 7,539,348
Number of patents in Portfolio can not be more than 2000
Digital map shape vector encoding method and position information transfer method
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May 26, 2009
Issued date -
Oct 11, 2007
filing date -
11/870,731
serial no -
In Force
status
Importance
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Abstract
It is an object to provide a method of coding the position information of a digital map in a small data volume by utilizing a compressing and coding technique. In a coding method of coding data indicative of a shape vector on a digital map, an arithmetic processing is carried out over position information about a node string and a shape which indicate the shape vector to be represented by data having a statistical deviation, and the data having the statistical deviation are coded to reduce a data volume. It is possible to considerably decrease a transmission data volume in the case in which the vector shape of the digital map is to be transferred.
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First Claim
Related Publications
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International Classification(s)
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- [Patents Count]
Cited Art
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|---|---|---|---|
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| 6,223,125 Collision avoidance system | 79 | 2000 | |
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Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
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| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 26, 2012 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 26, 2016 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 26, 2020 |
| Fee | Large entity fee | small entity fee | micro entity fee |
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| Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |