Source: http://www.google.com/patents/US7917158?dq=6,757,682
Timestamp: 2016-02-06 12:04:32
Document Index: 412433839

Matched Legal Cases: ['application No. 2', 'application No. 2', 'Application No. 021066434', 'Application No. 02004308', 'Application No. 2001', 'Application No. 2002', 'Application No. 2001', 'Application No. 2006', 'Application No. 2006', 'Application No. 200401897', 'Application No. 200200906']

Patent US7917158 - Method and system for location management and location information providing ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsIn an information providing system, a user inputs desired mobile ID number to a client terminal. The client terminal transmits a request for location information on the mobile station including the mobile ID number to a location server via a location information server. The location server transmits...http://www.google.com/patents/US7917158?utm_source=gb-gplus-sharePatent US7917158 - Method and system for location management and location information providing systemAdvanced Patent SearchPublication numberUS7917158 B2Publication typeGrantApplication numberUS 12/429,609Publication dateMar 29, 2011Filing dateApr 24, 2009Priority dateFeb 28, 2001Fee statusPaidAlso published asCA2372844A1, CA2372844C, CN1234082C, CN1373426A, DE60202544D1, DE60202544T2, DE60203875D1, DE60203875T2, EP1237389A2, EP1237389A3, EP1237389B1, EP1328132A1, EP1328132B1, US7574222, US20020147023, US20080188238, US20090270112Publication number12429609, 429609, US 7917158 B2, US 7917158B2, US-B2-7917158, US7917158 B2, US7917158B2InventorsMasahiro Sawada, Masami YabusakiOriginal AssigneeNtt Docomo, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (45), Non-Patent Citations (17), Classifications (26), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetMethod and system for location management and location information providing system
US 7917158 B2Abstract
Movement information INFx includes object location information INF1 on a location of Object 2 and related information INF2 for the movement. Specifically, a form of location information INF1 takes a form of “Longitude, Latitude” or “Name of line, Distance from neighboring station, Direction”. For example, the detail of Location information INF1 is “Long. 136� 15′ E., 35� 45′ N.”, or “Tokaido line, 2 km from Shinagawa, to Yokohama”. Related information INF2 includes a name of a train such as “Hikari No. 10” and a delay or suspension.
Location information server 60 receives the location information and the related information from Mobile station 1A and transmits the location information, related information, and the boarding information to Client terminal 70 (step 37). For example, a user of a mobile station 1A aboard a train which is located at Long. 136� 15′ E., 35� 45′ N. and heading toward South at a velocity of 46 Kilometers/hour. In this case, Location information “Long. 136� 15′ E., 35� 45′ N.”, related information “46Km/h South”, and boarding information “Now boarding” are transmitted to Client terminal 70.
FIG. 14 shows an example of information stored in Management table TBLk. Management table TBLk has a plurality of records Rc1, Rc2, . . . , each storing an Object ID number IDt, Movement information INFx, and timestamp T. Timestamp T represents the time when Movement information INFx is stored. Specifically, upon storing Movement information INFx, Control unit 51 obtains time from a timer not shown in the figure and writes the time to Management table TBLk. For one example, Record Rc1 indicates that Object location information INF1 “Long. 136� 15′ E., 35� 45′ N.” is stored corresponding to Object ID number “A01234” at 13:00.
Next Location information server 60 transmits to Client terminal 70 a location response RES6 including Object location information INF1, Related information INF2, and Boarding information (step S50). Specifically, INF1 “Long. 136� 15′ E., 35� 45′ N.”, INF2 “Azusa No. 2”, and Estimated location information “This train will arrive at Kofu in 18 minutes”, and Boarding information “Now boarding” is transmitted to Client terminal 70.
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