Media commerce system employing watermarks
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United States of America Patent
Stats
-
N/A
Issued Date -
Dec 20, 2001
app pub date -
Mar 12, 2001
filing date -
May 19, 1999
priority date (Note) -
Abandoned
status (Latency Note)
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Importance
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Abstract
A long pseudo-random binary number, such as 128 bits, is used to represent a small increment of money (e.g., a penny, a nickel, a dime, a quarter, etc.). The long length and random character of the number essentially makes each number unique. These numbers are issued by banks or other institutions in exchange for other forms of money (e.g., cash, check, credit card, or other electronic money). The bank tracks the numbers it has issued. A consumer can transmit one or more of these numbers to a vendor to pay for goods or services. The vendor relays the numbers to a server computer (e.g., at the issuing institution, as may be indicated by a bit string appended to each binary number) to determine whether such numbers have been validly issued. If the server confirms they are valid, it informs the vendor, who then completes the transaction. The vendor's account is credited by the institution accordingly. The server marks these numbers as spent, so that if these same numbers are later presented to the server, they will not be honored as valid numbers. The long lengths of the bit strings makes hacking impractical. The system can be arranged to provide anonymity since there is no need to identify the customer in order for the merchant to redeem the tokens.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DIGIMARC CORPORATION | 8500 SW CREEKSIDE PLACE BEAVERTON OR 97008 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Rhoads, Geoffrey B | West Linn, OR | 694 | 76470 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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