| Patent Number |
Title Of Patent |
Date Issued |
| 7409073 |
Optimization methods for the insertion, protection, and detection of digital watermarks in digit |
August 5, 2008 |
| The implementations of digital watermarks can be optimally suited to particular transmission, distribution and storage mediums given the nature of digitally-sampled audio, video and other multimedia works. Watermark application parameters can be adapted to the individual characterist |
| 7362775 |
Exchange mechanisms for digital information packages with bandwidth securitization, multichannel |
April 22, 2008 |
| Responsibility can be established for specific copies or instances of copies of digitized multimedia content using digital watermarks. Management and distribution of digital watermark keys (e.g., private, semiprivate and public) and the extension of information associated with such k |
| 7346472 |
Method and device for monitoring and analyzing signals |
March 18, 2008 |
| A method and system for monitoring and analyzing at least one signal are disclosed. An abstract of at least one reference signal is generated and stored in a reference database. An abstract of a query signal to be analyzed is then generated so that the abstract of the query signal can |
| 7343492 |
Method and system for digital watermarking |
March 11, 2008 |
| A method for applying a digital watermark to a content signal is disclosed. In accordance with such a method, a watermarking key is identified. The watermarking key includes a binary sequence and information describing application of that binary sequence to the content signal. The di |
| 7287275 |
Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth |
October 23, 2007 |
| Disclosed herein are methods and systems for transmitting streams of data. In one embodiment, a method comprises the steps of: receiving a stream of data; organizing the stream of data into a plurality of packets; generating a packet watermark associated with the stream of data; comb |
| 7177429 |
System and methods for permitting open access to data objects and for securing data within the d |
February 13, 2007 |
| A system and methods for permitting open access to data objects and for securing data within the data objects is disclosed. According to one embodiment of the present invention, a method for securing a data object is disclosed. According to one embodiment of the present invention, a |
| 7159116 |
Systems, methods and devices for trusted transactions |
January 2, 2007 |
| The invention discloses a system for enhancing trust in transactions, most particularly in remote transactions between a plurality of transactional parties, for instance a seller and buyer(s) of goods and/or services over a public computer network such as the internet. Trust is disclosed |
| 7152162 |
Z-transform implementation of digital watermarks |
December 19, 2006 |
| Z-transform calculations may be used to encode (and/or decode) carrier signal independent data (e.g., digital watermarks) to a digital sample stream. Deterministic and non-deterministic components of a digital sample stream signal may be analyzed for the purposes of encoding carrier |
| 7127615 |
Security based on subliminal and supraliminal channels for data objects |
October 24, 2006 |
| This invention relates to security for data objects; more particularly, the present invention relates to improved security based on subliminal and supraliminal channels for data objects.In one embodiment, a method for protecting a data signal comprises: providing a data signal to be |
| 7107451 |
Optimization methods for the insertion, protection, and detection of digital watermarks in digit |
September 12, 2006 |
| Disclosed herein are methods and systems for encoding digital watermarks into content signals. Also disclosed are systems and methods for detecting and/or verifying digital watermarks in content signals.According to one embodiment, a system for encoding of digital watermark informati |
| 7095874 |
Optimization methods for the insertion, protection, and detection of digital watermarks in digit |
August 22, 2006 |
| The implementations of digital watermarks can be optimally suited to particular transmission, distribution and storage mediums given the nature of digitally-sampled audio, video and other multimedia works. Watermark application parameters can be adapted to the individual characterist |
| 7035409 |
Multiple transform utilization and applications for secure digital watermarking |
April 25, 2006 |
| Multiple transform utilization and applications for secure digital watermarking. In one embodiment of the present invention, digital blocks in digital information to be protected are transformed into the frequency domain using a fast Fourier transform. A plurality of frequencies and |
| 7007166 |
Method and system for digital watermarking |
February 28, 2006 |
| A method for applying a digital watermark to a content signal is disclosed. In accordance with such a method, a watermarking key is identified. The watermarking key includes a binary sequence and information describing application of that binary sequence to the content signal. The di |
| 6853726 |
Z-transform implementation of digital watermarks |
February 8, 2005 |
| Z-transform calculations may be used to encode (and/or decode) carrier signal independent data (e.g., digital watermarks) to a digital sample stream. Deterministic and non-deterministic components of a digital sample stream signal may be analyzed for the purposes of encoding carrier sign |
| 6598162 |
Method for combining transfer functions with predetermined key creation |
July 22, 2003 |
| A method for combining transfer functions with predetermined key creation. In one embodiment, digital information, including a digital sample and format information, is protected by identifying and encoding a portion of the format information. Encoded digital information, including the d |
| 6522767 |
Optimization methods for the insertion, protection, and detection of digital watermarks in digit |
February 18, 2003 |
| The implementations of digital watermarks can be optimally suited to particular transmission, distribution and storage mediums given the nature of digitally-sampled audio, video and other multimedia works. Watermark application parameters can be adapted to the individual characteristics |
| 6205249 |
Multiple transform utilization and applications for secure digital watermarking |
March 20, 2001 |
| Multiple transform utilization and applications for secure digital watermarking. In one embodiment of the present invention, digital blocks in digital information to be protected are transformed into the frequency domain using a fast Fourier transform. A plurality of frequencies and |
| 6078664 |
Z-transform implementation of digital watermarks |
June 20, 2000 |
| Z-transform calculations may be used to encode (and/or decode) carrier signal independent data (e.g., digital watermarks) to a digital sample stream. Deterministic and non-deterministic components of a digital sample stream signal may be analyzed for the purposes of encoding carrier sign |
| 5905800 |
Method and system for digital watermarking |
May 18, 1999 |
| A method for applying a digital watermark to a content signal is disclosed. In accordance with such a method, a watermarking key is identified. The watermarking key includes a binary sequence and information describing application of that binary sequence to the content signal. The digita |
| 5889868 |
Optimization methods for the insertion, protection, and detection of digital watermarks in digit |
March 30, 1999 |
| The implementations of digital watermarks can be optimally suited to particular transmission, distribution and storage mediums given the nature of digitally-sampled audio, video and other multimedia works. Watermark application parameters can be adapted to the individual characteristics |
| 5822432 |
Method for human-assisted random key generation and application for digital watermark system |
October 13, 1998 |
| A method for the human-assisted generation and application of pseudo-random keys for the purpose of encoding and decoding digital watermarks to and from a digitized data stream. A pseudo-random key and key application "envelope" are generated and stored using guideline parameters input b |
| 5745569 |
Method for stega-cipher protection of computer code |
April 28, 1998 |
| A method for protecting computer code copyrights by encoding the code into a data resource with a digital watermark. The digital watermark contains licensing information interwoven with essential code resources encoded into data resources. The result is that while an application program |
| 5687236 |
Steganographic method and device |
November 11, 1997 |
| An apparatus and method for encoding and decoding additional information into a stream of digitized samples in an integral manner. The information is encoded using special keys. The information is contained in the samples, not prepended or appended to the sample stream. The method makes |
| 5613004 |
Steganographic method and device |
March 18, 1997 |
| An apparatus and method for encoding and decoding additional information into a stream of digitized samples in an integral manner. The information is encoded using special keys. The information is contained in the samples, not prepended or appended to the sample stream. The method makes |
| 5539735 |
Digital information commodities exchange |
July 23, 1996 |
| A system for the exchange of digital information packets includes an exchange with connectors to allow modular expandable units to connect to the exchange over transmission media. The modular expandable units send digital information packets from one to another over the exchange in r |
| 5428606 |
Digital information commodities exchange |
June 27, 1995 |
| A system for the exchange of digital information packets includes an exchange with connectors to allow modular expandable units to connect to the exchange over transmission media. The modular expandable units send digital information packets from one to another over the exchange in r |
