Title:
CAR NAVIGATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/081467
Kind Code:
A3
Abstract:
A car navigation system is provided. The car navigation system comprises: a car-speed sensor which calculates speed in the progressing direction of a car; an acceleration sensor which calculates acceleration in the progressing direction of the car; a global positioning system (GPS) receiver which calculates navigation information of the car by using a GPS signal; and an altitude calculator which calculates the altitude of the car by using the information calculated by the car-speed sensor and the acceleration sensor and the information calculated by the GPS receiver.
Inventors:
HONG JIN-SEOK (KR)
LEE JIN-YOUNG (KR)
LEE JIN-YOUNG (KR)
Application Number:
PCT/KR2010/009546
Publication Date:
November 10, 2011
Filing Date:
December 30, 2010
Export Citation:
Assignee:
MICROINFINITY INC (KR)
HONG JIN-SEOK (KR)
LEE JIN-YOUNG (KR)
HONG JIN-SEOK (KR)
LEE JIN-YOUNG (KR)
International Classes:
G01C21/28; G01C21/10; G01C21/26; G08G1/0968
Foreign References:
| KR20090129329A | 2009-12-16 | |||
| KR20000031712A | 2000-06-05 | |||
| KR20000039526A | 2000-07-05 | |||
| JPH0772926A | 1995-03-17 | |||
| KR20040040155A | 2004-05-12 | |||
| KR20070027472A | 2007-03-09 | |||
| KR20070027473A | 2007-03-09 |
Attorney, Agent or Firm:
KASAN IP & LAW FIRM (142 Nonhyun-dong, Gangnam-gu, Seoul 135-749, KR)
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