Information service providing method
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Accused Products
Abstract
An information service providing method with higher security. When a request from an information terminal is received through a first communication line, a reply to this request is sent to the information terminal through not only the first communication line but also a second communication line different from the first communication line depending on the content of the request.
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Citations
37 Claims
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1-14. -14. (canceled)
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15. A personal certification method for conducting personal certification on a communication line, comprising:
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upon receiving a request signal for a desired request from an information terminal through a first communication line, issuing a password in response to said request signal and sending the same to said information terminal through a second communication line; and
recognizing personal certification to said desired request when said password is returned from said information terminal through said first communication line. - View Dependent Claims (16, 17, 18, 34, 35)
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19. A personal certification system for conducting personal certification over a wide area network, comprising:
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an information server for providing desired information over said wide area network;
a personal certification center for governing data communications through a switched subscriber line and conducting personal certification for subscribers;
a first information terminal connected to said wide area network; and
a second information terminal capable of data communications with said personal certification center through said switched subscriber line, and wherein said information server supplies a password request signal to said personal certification center when a request signal for making a desired request is supplied thereto from said first information terminal over said wide area network, and said personal certification center generates a password in response to said password request signal, sends the same to said second information terminal through said switched subscriber line, and when said password is supplied thereto from said first information terminal over said wide area network, supplies said information server with a certification result signal indicating that personal certification is granted normally. - View Dependent Claims (20, 21, 22, 36, 37)
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23. An electronic commerce method for conducting a product sale on a communication line, comprising:
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upon receiving a purchase request for a desired product from an information terminal through a first communication line, issuing a password in response to said purchase request and sending the same to said information terminal through a second communication line; and
performing accounting on said desired product when said password is returned from said information terminal through said first communication line. - View Dependent Claims (24, 25, 26)
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27. An electronic commerce system for conducting a product sale over a wide area network, comprising:
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a product information server for providing product information over said wide area network;
an electronic settlement center for governing data communications through a switched subscriber line and performing-accounting for subscribers;
a first information terminal connected to said wide area network; and
a second information terminal capable of data communications with said electronic settlement center through said switched subscriber line, and wherein said product information server supplies a password request signal to said electronic settlement center when a product number for designating a desired product in said product information is supplied thereto from said first information terminal over said wide area network, and said electronic settlement center generates a password in response to said password request signal, sends the same to said second information terminal through said switched subscriber line, and when said password is supplied thereto from said first information terminal over said wide area network, supplies said product information server with a certification result signal indicating that personal certification is granted normally. - View Dependent Claims (28, 29, 30)
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31-32. -32. (canceled)
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33. A personal certification apparatus for conducting personal certification through a communication line, comprising:
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a password generating part for generating a password when a password request signal is supplied thereto from a first information terminal over a wide area network;
a sending part for sending said password through a switched subscriber line to a second information terminal different from said first information terminal; and
a password authentication part for making password authentication based on whether or not a password, when supplied thereto from said first information terminal over said wide area network, coincides with said password generated by said password generating means.
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Specification