INFORMATION TERMINAL APPARATUS
First Claim
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1. An information terminal apparatus comprising:
- an electronic tally processing unit for dividing original electronic data based upon an electronic tally system so as to produce “
N”
(N>
1) pieces of electronic tallied data, and for re-constructing said original electronic data from said “
N”
pieces of electronic tallied data;
a data storage unit containing a first data storage region which stores thereinto both “
M”
(N>
M>
0) pieces of said electronic tallied data among “
N”
pieces of said electronic tallied data, and electronic data to which the electronic tally system is not applied, and also containing a second data storage region which stores thereinto the remaining (N-M) pieces of electronic tallied data;
a data input/output unit for writing the electronic tallied data and the electronic data to which the electronic tally system is not applied into said data storage unit, and for reading said written data from the data storage unit; and
an access control unit for controlling a reading operation of the electronic tallied data which is stored in said data storage unit.
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Abstract
An electronic data storage system using an electronic tally system capable of managing electronic data in a safe manner without deteriorating a user friendly function thereof, and an information terminal apparatus to which the electronic data storage system has been applied are provided. An information terminal apparatus includes an electronic tally processing unit, a data storage unit, a data input/output unit and an access control unit for controlling a reading operation of the electronic tallied data which is stored in the data storage unit.
8 Citations
11 Claims
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1. An information terminal apparatus comprising:
-
an electronic tally processing unit for dividing original electronic data based upon an electronic tally system so as to produce “
N”
(N>
1) pieces of electronic tallied data, and for re-constructing said original electronic data from said “
N”
pieces of electronic tallied data;a data storage unit containing a first data storage region which stores thereinto both “
M”
(N>
M>
0) pieces of said electronic tallied data among “
N”
pieces of said electronic tallied data, and electronic data to which the electronic tally system is not applied, and also containing a second data storage region which stores thereinto the remaining (N-M) pieces of electronic tallied data;a data input/output unit for writing the electronic tallied data and the electronic data to which the electronic tally system is not applied into said data storage unit, and for reading said written data from the data storage unit; and an access control unit for controlling a reading operation of the electronic tallied data which is stored in said data storage unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification