Transfer of valuable information between a secure module and another module
DC CAFC
First Claim
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1. A method for electronically transferring units of exchange between a first module and a second module, comprising the steps of:
- a. initiating communication between said first module and an electronic device;
b. passing a first value datum from said first module to said electronic device;
c. passing said first value datum from said electronic device to said second module;
d. performing a mathematical calculation on said first value datum thereby creating a second value datum;
e. passing said second value datum from said second module to said electronic device;
f. passing said second value datum from said electronic device to said first module;
g. storing said second value datum in said first module; and
h. discontinuing communication between said first module and said electronic device.
4 Assignments
Litigations
3 Petitions
Accused Products
Abstract
The present invention relates to system, apparatus and method for communicating valuable data from a portable module to another module via an electronic device. More specifically, the disclosed system, apparatus and method are useful for enabling a user to fill a portable module with a cash equivalent and to spend the cash equivalent at a variety of locations. The disclosed system incorporates an encryption/decryption method.
173 Citations
6 Claims
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1. A method for electronically transferring units of exchange between a first module and a second module, comprising the steps of:
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a. initiating communication between said first module and an electronic device; b. passing a first value datum from said first module to said electronic device; c. passing said first value datum from said electronic device to said second module; d. performing a mathematical calculation on said first value datum thereby creating a second value datum; e. passing said second value datum from said second module to said electronic device; f. passing said second value datum from said electronic device to said first module; g. storing said second value datum in said first module; and h. discontinuing communication between said first module and said electronic device. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification
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Litigation Data
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Current AssigneeMaxim Integrated Products, Inc. (Analog Devices, Inc.), Midas Rex Pneumatic Tools, Inc., Murata Manufacturing Co Limited
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Original AssigneeDallas Semiconductor Corporation (Analog Devices, Inc.)
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InventorsBolan, Michael L., Curry, Stephen M., Loomis, Donald W.
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Primary Examiner(s)Tarcza, Thomas H.
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Assistant Examiner(s)CHACE, CHRISTIAN
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Application NumberUS08/978,798Time in Patent Office650 DaysField of Search380/23, 380/24, 380/25, 705/39, 705/40, 705/42US Class Current705/66CPC Class CodesG06Q 20/10 specially adapted for elect...G06Q 20/108 Remote banking, e.g. home b...G06Q 20/341 Active cards, i.e. cards in...G06Q 20/367 involving electronic purses...G06Q 20/3672 initialising or reloading t...G06Q 20/3821 Electronic credentialsG06Q 20/40975 using encryption thereforG07F 7/0826 Embedded security moduleG07F 7/1008 Active credit-cards provide...
