| US 7,603,569 B2 | ||
| Information providing system and a method for providing information | ||
| Kazuharu Maeda, Tokyo (Japan); Susumu Takahashi, Tokyo (Japan); Toshio Abe, Tokyo (Japan); Kouji Yasuoka, Tokyo (Japan); Katsumasa Sasaki, Tokyo (Japan); Noriyoshi Mitsudome, Tokyo (Japan); and Sahoko Iwatani, Tokyo (Japan) | ||
| Assigned to Komatsu Ltd., Tokyo (Japan) | ||
| Filed on Sep. 23, 2004, as Appl. No. 10/947,254. | ||
| Application 10/947254 is a division of application No. 09/842683, filed on Apr. 27, 2001, granted, now 7,209,930. | ||
| Claims priority of application No. 2000-132386 (JP), filed on May 01, 2000; application No. 2000-143486 (JP), filed on May 16, 2000; application No. 2000-200849 (JP), filed on Jul. 03, 2000; and application No. 2000-209874 (JP), filed on Jul. 11, 2000. | ||
| Prior Publication US 2005/0044383 A1, Feb. 24, 2005 | ||
| Int. Cl. G06F 21/00 (2006.01) | ||
| U.S. Cl. 713—193 | 5 Claims |
| 1. An information providing system to provide information of an information provider stored in a network server to an information
seeker, the network server, comprising:
a memory portion to store information of the information provider;
a key conferring means to confer a security key to a first information seeker whom the information provider permits the access
to his information, and to confer another security key to a second information seeker provided that the first information
seeker permits the second information seeker to directly obtain information from the information provider;
a key checking means to check whether or not the security keys fed by the first and second information seekers are authorized,
and to determine whether or not information should be provided to the given information seeker; and
an information searching/acquiring means to fetch information required by the first and second information seeker from the
storage portion as nominated by the security key, wherein
when the key conferring means finds that the first information seeker seeks the information from the information provider
for a first time, the key conferring means assigns the judgment whether access of the first information seeker should be authorized
or not to the information provider,
when the key conferring means finds that the second information seeker seeks the information from the information provider
for the first time, the key conferring means assigns the judgment whether access of the second information seeker should be
authorized or not to the first information seeker, and
the key conferring means confers the security key only to the authorized among the first and the second information seekers.
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