US Patent No: 6,845,239
Number of patents in Portfolio can not be more than 2000
Positioning system and position calculating method in mobile communication system
Stats
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Jan 18, 2005
Issued date -
Nov 15, 2000
filing date -
09/712,242
serial no -
In Force
status
Importance
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Abstract
A positioning system and a position calculating method in a mobile communication system for specifying a position of a mobile station unit on the basis of positional information from three base station units and for displaying related map information on the mobile station unit to utilize the positional information effectively, the position system and the position calculating method in which a position reporting means of a base station unit reports positional information, a distance difference calculating means of the mobile station unit calculates differences in distance between the mobile station unit and three base station units on the basis of the positional information from the three base station units, measures a position of the mobile station unit on the basis of the positional information and the distance differences by using a position measuring means, reports the measured position to an exchange unit by using a position reporting means, and a map information displaying means of the mobile station unit displays related map information reported from the exchange unit.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,732,354 Method and apparatus for determining the location of a mobile telephone | 123 | 1995 | |
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| 6,701,132 Mobile communication system, mobile station, and base station that calculates distance from mobile station | 29 | 2000 | |
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| 5,960,355 Method and an arrangement relating to telecommunication systems | 30 | 1997 | |
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| 5,699,255 Map transmission for in-vehicle navigation system with dynamic scale/detail adjustment | 132 | 1995 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 18, 2016 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| 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 |