Title:
ON-LINE PRESENTATION SYSTEM, SERVER SYSTEM TO BE APPLIED TO ON-LINE PRESENTATION SYSTEM, TERMINAL TO BE APPLIED TO ON-LINE PRESENTATION SYSTEM, PRESENTING METHOD IN ON-LINE PRESENTATION SYSTEM AND COMPUTER READABLE RECORD MEDIUM STORING PROGRAM MAKING COMPUTER PERFORM THE METHOD
Document Type and Number:
Japanese Patent JP3145667
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To realize presentation while ensuring security.
SOLUTION: Ciphered presentation contents and their presentation numbers are transferred from a server system 2 to a client 1 or the sender of the present. After that, when a decoding request by using the presentation number is made from a client 4 to be a destination of presentation to the server system 2, a decoding key to decode the ciphered presentation contents is transferred from the server system 2 to the client 4 to be the destination of the presentation.
Inventors:
Shinji Sugimori
Application Number:
JP31237997A
Publication Date:
March 12, 2001
Filing Date:
November 13, 1997
Export Citation:
Assignee:
Just System Co., Ltd.
International Classes:
G06F13/00; B65G61/00; G06F12/14; G06F21/10; G06Q10/00; G06Q20/00; G06Q20/02; G06Q30/04; G06Q30/06; G06Q50/00; G09C1/00; H04L9/08; (IPC1-7): G06F17/60; G06F13/00; H04L9/08
Other References:
【文献】米国特許5671283(US,A)
【文献】国際公開96/27155(WO,A2)
【文献】Mark Stefik,”Trusted Systems”,Scientific American,March,1997
【文献】国際公開96/27155(WO,A2)
【文献】Mark Stefik,”Trusted Systems”,Scientific American,March,1997
Attorney, Agent or Firm:
Akinori Sakai
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