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US 7,162,455 B1Granted
Unique time generating device and authenticating device using the same
OwnerAkira Sugiyamainventor
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OwnerAkira Sugiyamainventor
Estimating the term…
In an authentication-data issuing system based on unique time, a master computer (1) creates authentication data on the basis of an elapsed time measurement indicated by an unique time generating device (6) and transmits the created authentication data to a lower-level computer (2A), which further delivers the authenticating data to a still-lower-level computer (3A). The lower-level computer and still-lower-level computer sequentially impart respective unique additional data to the authentication data and then transmits the resultant additional-data-imparted data to a lowest-level vending machine (5). The lowest-level vending machine (5) also imparts its unique additional data to the authentication data, received from the still-lower-level computer, to create unique authentication data and records the thus-created unique authentication data on a prepaid card (20) to be issued thereby. Simultaneously, the ultimately-created unique authentication data is sent from the vending machine, through the still-lower-level computer and lower-level computer, back to the master computer (1) for registration therein. When the thus-issued prepaid card (20) is used on a pachinko machine in a pachinko house under the control of the master computer (1), the pachinko machine reads the unique authentication data recorded on the card, and the thus-read data is collated with the data registered in the master computer (1) to ascertain the authenticity of the card.
An authentication-data issuing system based on unique time, said authentication-data issuing system including a plurality of computers connected with each other via communication lines with one of said computers set to function as a master computer, said master computer comprising:
An authentication-data issuing system based on unique time, said authentication-data issuing system including a plurality of computers connected with each other via communication lines with one of said computers set to function as a master computer, said master computer including a unique time generating device including time keeping means for sequentially outputting unit time values at predetermined intervals over a preset time-measuring period that begins at a given start point on a selected date and terminates at a given future end point and accumulating means for sequentially accumulating said unit time values output by said time keeping means so as to constantly measure a changing elapsed time within the time-measuring period,
An authentication-data issuing system based on unique time, said authentication-data issuing system including a plurality of computers connected with each other via communication lines with one of said computers set to function as a master computer, each of the computers subservient to said master computer comprising:
An authentication-data issuing system based on unique time, said authentication-data issuing system including a plurality of computers connected with each other via communication lines with one of said computers set to function as a master computer, each of the computers subservient to said master computer comprising a unique time generating device including time keeping means for sequentially outputting unit time values at predetermined intervals over a preset time-measuring period unique to said computer that begins at a given start point on a selected date and terminates at a given future end point and accumulating means for sequentially accumulating said unit time values output by said time keeping means so as to constantly measure a changing elapsed time within the time-measuring period,
An authentication-data verifying system including a plurality of computers connected with each other via communication lines with one of said computers set to function as a master computer, each of the computers subservient to said master computer comprising:
An authentication-data verifying system including a plurality of computers connected with each other via communication lines with one of said computers set to function as a master computer, said master computer comprising:
Dependencies are inferred from the claim text.