Source: http://www.google.com/patents/US5682027?dq=6188988
Timestamp: 2014-07-25 09:34:38
Document Index: 4443034

Matched Legal Cases: ['art 1', 'art 2', 'art 3', 'arts 1', 'art 1', 'art 2', 'art 3', 'arts 1']

Patent US5682027 - System and method for performing transactions and a portable intelligent ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA host and user transaction system comprising a self contained portable intelligent device (13) for use by a service user, and an interface device (11) for use by a service provider. The intelligent device (13) is in the form of an integrated circuit (IC) card incorporating a single chip microcomputer...http://www.google.com/patents/US5682027?utm_source=gb-gplus-sharePatent US5682027 - System and method for performing transactions and a portable intelligent device thereforeAdvanced Patent SearchPublication numberUS5682027 APublication typeGrantApplication numberUS 08/424,258PCT numberPCT/AU1993/000552Publication dateOct 28, 1997Filing dateOct 26, 1993Priority dateOct 26, 1992Fee statusPaidAlso published asCA2147824A1, DE69332889D1, DE69332889T2, EP0706692A1, EP0706692A4, EP0706692B1, US6091817, US6095412, WO1994010657A1Publication number08424258, 424258, PCT/1993/552, PCT/AU/1993/000552, PCT/AU/1993/00552, PCT/AU/93/000552, PCT/AU/93/00552, PCT/AU1993/000552, PCT/AU1993/00552, PCT/AU1993000552, PCT/AU199300552, PCT/AU93/000552, PCT/AU93/00552, PCT/AU93000552, PCT/AU9300552, US 5682027 A, US 5682027A, US-A-5682027, US5682027 A, US5682027AInventorsJohannes Marinus George Bertina, Quentin Rees OliverOriginal AssigneeIntellect Australia Pty Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (31), Non-Patent Citations (7), Referenced by (68), Classifications (19), Legal Events (9) External Links: USPTO, USPTO Assignment, EspacenetSystem and method for performing transactions and a portable intelligent device thereforeUS 5682027 AAbstract A host and user transaction system comprising a self contained portable intelligent device (13) for use by a service user, and an interface device (11) for use by a service provider. The intelligent device (13) is in the form of an integrated circuit (IC) card incorporating a single chip microcomputer having an input/output communication port (15), nonvolatile memory (17, 19) and random access memory (21). The interface device (11) has its own memory for storing data and a coupler (14) to connect to the IC card for communicating therewith. The nonvolatile memory (17, 19) has in one part an operating system mask programmed in native code for performing basic functions and in a second part data files with different access restriction levels. The random access memory (21) is available for use by the operating system and stores data received from or ready for transmission via the communication port (15). The interface device (11) includes a program module within its own memory, which includes instructions for working with prescribed data files within the second part of the nonvolatile memory (17, 19). These instructions are performed by the operating system after the IC card is connected to the coupler by means of a program interpreter and form part of a prescribed instruction set discrete from the native code. Basic functions performed by the operating system in native code are only performed in accordance with a command executor which is limited to enabling the IC card to receive commands, perform prescribed functions in respect of the command and provide a result or status to the command, but not to execute program modules for performing a transaction which involves data file access.
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