Boots – shoes – and leggings
Patent
1988-02-09
1989-07-11
Clark, David L.
Boots, shoes, and leggings
380 23, 235382, 34082534, G06F 3023, H04L 900
Patent
active
048478032
ABSTRACT:
A portable electronic device, such as an IC card has a control element, a data memory, and a program memory. The program memory stores various function programs, and the data memory stores the head addresses of the function programs and the control data items for controlling them, along with instruction data items which can be used in the IC card. The data memory additionally stores a plurality of personal identification number (PIN) items. Each of the control data items is related to one of the PIN items, and contains identifiers which indicate whether or not a PIN item input via an external device should be compared with any PIN items. The control element has a RAM which is used to store the results of comparisons between each the externally input PIN item and PIN items. When a usable instruction data item is input via the external device, the control element determines whether or not this instruction data item can be processed, in accordance with the data items stored in the RAM in accordance with the identifiers related to the instruction data items stored in the data memory. When it has determined that the instruction data item can be processed, the control element then processes the instruction data item.
REFERENCES:
patent: 4460960 (1984-07-01), Anderson et al.
patent: 4757533 (1988-07-01), Allen et al.
Clark David L.
Kabushiki Kaisha Toshiba
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