Patent US7313251B2 successfully refreshed from Google Patents.
US7313251B2
Expired / Lapsed
US
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Method and system for managing and controlling electronic media
Assignee: Digimarc Corp
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Filing: 2006-04-25
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Granted: 2007-12-25
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Expires: 2026-04-25
Abstract
Abstract The present invention provides methods and systems for identifying content to help ensure legal uses of the content. In one implementation a method is provided to include obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content; accessing a registry including a plurality of steganographic decoding keys to obtain a key associated with the content, wherein at least some of the keys are encrypted; obtaining the key associated with the content; and decoding the steganographic signal hidden in the content utilizes at least the key associated with the content.
Inventors
- 👤 Geoffrey B. Rhoads
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:18
CPC Classifications
G; G06; G06T; G06T1/00; G06T1/0021; G06T1/005; G06T1/0064; G06F; G06F16/00; G06F16/90; G06F16/95; G06F16/955; G06K; G06K19/00; G06K19/06; G06K19/06009; G06K19/06037; G06K19/06046; G06K19/08; G06K19/10; G06K19/14; G06K19/18; G06K7/00; G06K7/10; G06K7/14; G06K7/1404; G06K7/1408; G06K7/1417; G06K7/1439; G06K7/1447; G06Q; G06Q20/00; G06Q20/08; G06Q20/12; G06Q20/123; G06Q20/1235; G06Q20/30; G06Q20/34; G06Q20/341; G06Q20/38; G06Q20/40; G06Q20/401; G06Q20/4014; G06Q20/40145; G06V; G06V30/00; G06V30/40; G07; G07C; G07C9/00; G07C9/20; G07C9/22; G07C9/25; G07C9/253; G07D; G07D7/00; G07D7/003; G07D7/0032; G07D7/0034; G07D7/004; G07F; G07F7/00; G07F7/08; G07F7/086; G07F7/10; G07F7/1008; G07F7/1016; G07F7/12; G10; G10L; G10L19/00; G10L19/018; G11; G11B; G11B20/00; G11B20/00086; G11B20/00094; G11B20/00166; G11B20/0021; G11B20/00884; G11B20/00891; H; H04; H04B; H04B1/00; H04B1/66; H04B1/665; H04K; H04K1/00; H04N; H04N1/00; H04N1/00002; H04N1/00005; H04N1/00026; H04N1/00037; H04N1/00071; H04N1/00074; H04N1/00079; H04N1/32; H04N1/32101; H04N1/32106; H04N1/32122; H04N1/32144; H04N1/32149; H04N1/32154; H04N1/3216; H04N1/32203; H04N1/32208; H04N1/32251; H04N1/32288; H04N1/32352; H04N19/00; H04N19/46; H04N19/467; H04N21/00; H04N21/20; H04N21/23; H04N21/238; H04N21/2389; H04N21/23892; H04N21/80; H04N21/83; H04N21/835; H04N21/8358; H04N5/00; H04N5/76; H04N5/91; H04N5/913; G06K2019/06215; G06K2019/06253; G06T2201/00; G06T2201/005; G06T2201/0052; H04L; H04L2463/00; H04L2463/103; H04L63/00; H04L63/10; H04N2005/91307; H04N2005/91321; H04N2005/91335; H04N2201/00; H04N2201/32; H04N2201/3201; H04N2201/3204; H04N2201/3205; H04N2201/3207; H04N2201/3225; H04N2201/3226; H04N2201/323; H04N2201/3233; H04N2201/3235; H04N2201/3246; H04N2201/3269; H04N2201/327; H04N2201/3271; H04N2201/3274; H04N2201/328; H04N2201/3281
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
84 words
A method comprising: obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content; accessing a registry including a plurality of steganographic decoding keys to obtain a decoding key associated with the content, wherein at least some of the keys are encrypted; obtaining the decoding key associated with the content or the steganographic signal; decoding the steganographic signal hidden in the content utilizing at least the decoding key associated with the content or the steganographic signal.
Claim 2
Independent Claim
84 words
A method comprising: obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content; accessing a registry including a plurality of steganographic decoding keys to obtain a decoding key associated with the content, wherein at least some of the keys are encrypted; obtaining the decoding key associated with the content or the steganographic signal; decoding the steganographic signal hidden in the content utilizing at least the decoding key associated with the content or the steganographic signal.
Claim 3
Dependent Claim
23 words
The method of claim 1 wherein the decoding key associated with the content or the steganographic signal is encrypted when it is obtained.
Claim 4
Dependent Claim
17 words
The method of claim 2 further comprising decrypting the decoding key prior to said act of decoding.
Claim 5
Dependent Claim
17 words
The method of claim 1 wherein the content comprises at least one of audio and video content.
Claim 6
Dependent Claim
20 words
The method of claim 1 further comprising controlling the content based at least in part on the decoded steganographic signal.
Claim 7
Dependent Claim
11 words
The method of claim 1 wherein the registry is accessed on-line.
Claim 8
Dependent Claim
22 words
The method of claim 1 wherein the steganographic signal is hidden in the content through use of at least one transform process.
Claim 9
Independent Claim
65 words
A method comprising: obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content, and wherein the steganographic signal comprises at least a message; decoding the steganographic signal hidden in the content to obtain the message; encrypting the message; communicating the encrypted message to an on-line registry; and receiving at least an acknowledgement from the on-line registry.
Claim 10
Independent Claim
65 words
A method comprising: obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content, and wherein the steganographic signal comprises at least a message; decoding the steganographic signal hidden in the content to obtain the message; encrypting the message; communicating the encrypted message to an on-line registry; and receiving at least an acknowledgement from the on-line registry.
Claim 11
Dependent Claim
20 words
The method of claim 8 wherein an encryption key used to encrypt the message is obtained from the on-line registry.
Claim 12
Dependent Claim
16 words
The method of claim 8 wherein the content comprises at least one of audio and video.
Claim 13
Dependent Claim
11 words
The method of claim 8 wherein the content comprises encrypted content.
Claim 14
Dependent Claim
22 words
The method of claim 8 wherein the steganographic signal is hidden in the content through use of at least one transform process.
Claim 15
Dependent Claim
25 words
The method of claim 8 wherein said act of communicating the encrypted message to the on-line registry initiates or interacts with an on-line registration process.
Claim 16
Independent Claim
96 words
A method comprising: obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content; accessing a registry including a plurality of steganographic decoding keys to obtain at least one key associated with the content, wherein at least some of the keys are encrypted; receiving the key associated with the content or the steganographic signal, wherein the key associated with the content is encrypted; decrypting the key; and decoding the steganographic signal hidden in the content utilizing at least the key associated with the content or the steganographic signal.
Claim 17
Independent Claim
96 words
A method comprising: obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content; accessing a registry including a plurality of steganographic decoding keys to obtain at least one key associated with the content, wherein at least some of the keys are encrypted; receiving the key associated with the content or the steganographic signal, wherein the key associated with the content is encrypted; decrypting the key; and decoding the steganographic signal hidden in the content utilizing at least the key associated with the content or the steganographic signal.
Claim 18
Dependent Claim
17 words
The method of claim 14 wherein the content comprises at least one of audio and video content.
Claim 19
Dependent Claim
20 words
The method of claim 14 further comprising controlling the content based at least in part on the decoded steganographic signal.
Claim 20
Dependent Claim
11 words
The method of claim 14 wherein the registry is accessed on-line.
Claim 21
Dependent Claim
22 words
The method of claim 14 wherein the steganographic signal is hidden in the content through use of at least one transform process.
Claim 22
Dependent Claim
17 words
The method of claim 14 wherein said method is carried out on a hand held computing device.
Claim 23
Dependent Claim
17 words
The method of claim 8 wherein said method is carried out on a hand held computing device.
References Cited (Backward Citations)
US4790566A
Cited
US5050213A
Cited
US4807031A
Cited
US4879747A
Cited
US5023907A
Cited
EP0493091A1
Cited
US5940504A
Cited
US5495581A
Cited
US5721788A
Cited
US5382779A
Cited
US5351302A
Cited
US5521984A
Cited
US5519778A
Cited
US5768426A
Cited
US5862260A
Cited
US5841978A
Cited
US7043052B2
Cited
US7035427B2
Cited
US6959386B2
Cited
US5499294A
Cited
US5385371A
Cited
US5640193A
Cited
US5646999A
Cited
US5663766A
Cited
US5715403A
Cited
US5525798A
Cited
US6182218B1
Cited
US5646997A
Cited
US5848413A
Cited
US5915019A
Cited
WO1996031049A1
Cited
US5636292A
Cited
US5790674A
Cited
US7062069B2
Cited
US5636292C1
Cited
US5613004A
Cited
US6199048B1
Cited
EP0838050A1
Cited
US6408331B1
Cited
US6122403A
Cited
US6775392B1
Cited
US6389151B1
Cited
US5765152A
Cited
US5822432A
Cited
US5943422A
Cited
US6272634B1
Cited
US5933829A
Cited
US6249870B1
Cited
US5995625A
Cited
US20020097873A1
Cited
US6427012B1
Cited
US6301663B1
Cited
US6807285B1
Cited
US6141753A
Cited
US6205249B1
Cited
US6968058B1
Cited
US20020156742A1
Cited
US6398245B1
Cited
US20020191809A1
Cited
US20020184503A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2010-12-24 | 2011-06-25 | 2011-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2014-12-24 | 2015-06-25 | 2015-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2018-12-24 | 2019-06-25 | 2019-12-25 | $7700.00 | Window Closed / Lapsed |