Portable electronic authorization devices and methods therefor
First Claim
1. In a portable electronic authorization device, a method for approving a transaction request originated from an electronic transaction system, comprising:
- receiving at said portable electronic authorization device first digital data, said first digital data representing said transaction request; and
if said transaction request is approved by a user of said portable electronic authorization device, transmitting a second digital data to said electronic transaction system, said second digital data being encrypted by circuitries within said portable electronic authorization device and signifies said user'"'"'s approval of said transaction request.
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0 Petitions
Accused Products
Abstract
A portable electronic authorization device for approving a transaction request originated from an electronic transaction system. The portable electronic authorization device includes first logic circuit configured to receive first digital data representative of the transaction request. There is further included second logic circuit configured to form second digital data responsive to the transaction request received by the first logic circuit if the transaction request is approved by a user of the portable electronic transaction device. The second digital data represents encrypted data signifying an approval by the user of the transaction request. Additionally, the portable electronic authorization device includes transmission circuitry coupled to the second logic circuit. The transmission circuitry is configured to transmit the second digital data from the portable electronic authorization apparatus to the electronic transaction system if the user approves the transaction request.
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Citations
82 Claims
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1. In a portable electronic authorization device, a method for approving a transaction request originated from an electronic transaction system, comprising:
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receiving at said portable electronic authorization device first digital data, said first digital data representing said transaction request; and if said transaction request is approved by a user of said portable electronic authorization device, transmitting a second digital data to said electronic transaction system, said second digital data being encrypted by circuitries within said portable electronic authorization device and signifies said user'"'"'s approval of said transaction request. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A portable electronic authorization device for approving a transaction request originated from an electronic transaction system, comprising:
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means for receiving at said portable electronic authorization device first digital data, said first digital data representing said transaction request; means within said portable electronic authorization device for forming second digital data responsive to a receipt of said transaction request if a user of said portable electronic authorization device approves said transaction request, said second digital data representing encrypted data signing said user'"'"'s approval of said transaction request; and means, coupled to said forming means, for transmitting said second digital data to said electronic transaction system. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A portable electronic authorization device for approving a transaction request originated from an electronic transaction system, comprising:
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first logic circuit configured to receive first digital data representative of said transaction request; second logic circuit configured to form second digital data responsive to said transaction request received by said first logic circuit if said transaction request is approved by a user of said portable electronic transaction device, said second digital data representing encrypted data signifying an approval by said user of said transaction request; and transmission circuitry coupled to said second logic circuit, said transmission circuitry being configured to transmit said second digital data from said portable electronic authorization apparatus to said electronic transaction system if said user approves said transaction request. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62)
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63. In a portable electronic authorization device, a method for approving a transaction request originated from an electronic transaction system, comprising:
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receiving at said portable electronic authorization device first digital data, said first digital data representing said transaction request; if said transaction request is approved by a user of said portable electronic authorization device, generating second digital data, said second digital data representing transaction approval data signifying said user'"'"'s approval of said transaction request; encrypting within said portable electronic authorization device said second digital data, thereby creating third digital data representing an encrypted version of said second digital data; and transmitting said third digital data from said portable electronic authorization device to said electronic transaction system, thereby permitting said electronic transaction system to ascertain whether said transaction request is approved by said user. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82)
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Specification