Patent References 3920979 Electronic checkbook Personal portable terminal for financial transactions Electronic checkbook Check processing system Apparatus for signature verification Information processing device Electronic checkbook Multi-user card system Computerized personal portable account register InventorsAssigneeApplicationNo. 790040 filed on 11/12/1991US Classes:708/106, Checkbook235/380, Credit or identification card systems708/141Including specific nonkeyboard-type information entryExaminersPrimary: Westin, Edward P.Assistant: Lee, John D. Attorney, Agent or FirmForeign Patent References
International ClassesG06F 013/00G06F 015/30 AbstractAn electronic checkbook and method for using it. The checkbook comprises upper and lower parts which fold together when not in use. The lower part receives on its upper surface a booklet of checks. A digitizer is hingedly connected or fixed to the remainder of the lower part and operates as a keyboard in one mode when placed above the check booklet, and can be placed beneath the top check of the booklet and used in a second mode as a means for inputting signals to the remainder of the device representing information written on the check. The lower part of the checkbook also includes other elements of the device including a microprocessor, a power supply and a smart card reader/writer. The upper part includes a display screen upon which checking account information appears during use of the electronic checkbook. The method of use of the checkbook provides maintenance of a record of transactions in the account, including addition of deposits and subtraction of checks drawn on the account.Other References
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