Matches 1 - 50 out of 189 1 2 3 4 >
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7366492 Method and system for mobile location detection using handoff information  
Methods and systems for mobile station location detection. A mobile station measures signal strength of each of a set of signals associated with the mobile station, then determines whether a number...
7362879 Substituting objects based on steganographic encoding  
The application discloses various methods and systems to provide substitute information or objects for, e.g., substitution when making copies of media objects (e.g., audio, video or images). One...
RE39989 Method and apparatus for transmission of analog and digital  
A digital communications path-controller for auto switching and controlling the transmission and receiving of analog and error-free transmission of standard digital signals, fax digital signals and...
7171016 Method for monitoring internet dissemination of image, video and/or audio files  
An automated monitoring service downloads image files (including, e.g., graphic and video files) and audio files from various Internet sites, and checks these files for the presence of embedded...
RE39427 Cellular telephone data communication system and method  
The cellular telephone data communication system and method involves the use of a mobile data processing interface and a cooperating static data processing interface to effectively transmit data...
7142863 Method of deploying a fixed wireless access communications network such that a specified level of link performance is maintained  
Current deployment methods for fixed wireless access communications networks typically give rise to a trade off between link performance and capacity. It is difficult to maintain specified levels...
7139591 Hand held telecommunications and data entry device  
A data entry system includes a hand held data entry unit having a reading sensor for sensing commands and/or data, rewritable storage for storing information relating to selectable items, a...
7068811 Protecting images with image markings  
A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the visible image, the signature...
7058697 Internet linking from image content  
Address information is steganographically encoded into audio or graphic data, and thereafter decoded to permit linking to the internet. The address information can be a literal URL, or may be an...
7054463 Data encoding using frail watermarks  
Image, video, or audio data is encoded with both a frail and a robust watermark. The two watermarks respond differently to different forms of processing (e.g., copying the object may render the...
7050603 Watermark encoded video, and related methods  
Watermarks in video signals or the accompanying audio track are used to associate video objects in a video sequence with object specific actions or information. A video object refers to a spatial...
7044395 Embedding and reading imperceptible codes on objects  
Watermarks and related machine-readable coding techniques are used to embed data within the information content on object surfaces. These techniques may be used as a substitute for (or in...
7039214 Embedding watermark components during separate printing stages  
The present invention relates to embedding a document with multiple watermark components at different printing stages. A document is preprinted to include a first digital watermark component. The...
7027614 Hiding information to reduce or offset perceptible artifacts  
The present invention relates to digital watermarking. In a preferred embodiment, a multi-channel media signal is embedded with first and second digital watermark components. The first component is...
7016678 Method and arrangement for avoiding loss of error-critical non real time data during certain handovers  
A method is disclosed for a mobile station for performing a handover from a first network connection to a second network connection. A mobile telecommunication system provides for non-real time...
7003132 Embedding hidden auxiliary code signals in media  
Methods for embedding and reading auxiliary messages from image signals use embedded code signals modulated with the auxiliary message. These embedded ode signals may be used to convey hidden...
6993153 Self-orienting watermarks  
A watermarking method converts a watermark message into a Frequency Shift Keying (FSK) signal and embeds the FSK signal in a host signal. The spectral properties of the FSK watermark signal...
6987862 Video steganography  
An input content signal, e.g., representing video, is encoded to hide plural-bit auxiliary data therein. The process generates an intermediate signal that is a function of (a) the plural-bit...
6975746 Integrating digital watermarks in multimedia content  
A method for decoding auxiliary data from media signals in multimedia content decodes watermarks from different media signals and uses the watermarks to control processing of the multimedia...
6968057 Emulsion products and imagery employing steganography  
Images are steganographically marked with codes that can be used, e.g., by reference to a remote registry, to identify the image proprietors. Some embodiments pre-mark blank emulsion film or paper...
6965682 Data transmission by watermark proxy  
A media object sensed at one location is delivered at a second remote location, or an application associated with the object is made available at the second location. In some embodiments, the...
6959386 Hiding encrypted messages in information carriers  
An identification code signal is hidden in a carrier signal (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned. The...
6922480 Methods for encoding security documents  
Line art on a banknote or other security document is slightly changed to effect the encoding of plural-bit digital data (i.e. the banknote is digitally watermarked). When such a banknote is...
6917724 Methods for opening file on computer via optical sensing  
By printing documents and other objects with machine readable indicia, such as steganographic digital watermarks or barcodes, a great variety of document management functions can be enabled. The...
6917691 Substituting information based on watermark-enable linking  
OLE-like principles are implemented using watermark data in digital objects in order to effect object linking or embedding. In one embodiment, a photocopier scans an original paper document to...
6869023 Linking documents through digital watermarking  
The present invention relates to linking documents through digital watermarking. In one implementation, an identification document is embedded with a first digital watermark. The first digital...
6850774 Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages  
A portable radio telephone handset operates as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation, an analog cellular communication mode and...
6850626 Methods employing multiple watermarks  
Image, video, or audio data is encoded with both a frail and a robust watermark. The two watermarks respond differently to different forms of processing (e.g., copying the object may render the...
6829368 Establishing and interacting with on-line media collections using identifiers in media signals  
Media objects are transformed into active, connected objects via identifiers embedded into them or their containers. In the context of a user's playback experience, a decoding process extracts the...
6823075 Authentication watermarks for printed objects and related applications  
The disclosure describes systems for creating and authenticating printed objects using authentication and copy detection watermarks. For example, one verification system includes a watermark...
RE38645 Portable hybrid communication system and methods  
A laptop device includes a personal computer, a cellular transceiver, a speakerphone, and a hybrid communications control unit. The device has connectors for attaching a headset, cellular control...
6804377 Detecting information hidden out-of-phase in color channels  
The present invention relates to detecting steganographically hiding images and information. In a preferred embodiment, an image is hidden within a media signal. The media preferably includes a...
6804376 Equipment employing watermark-based authentication function  
Image, video, or audio data is encoded with both a frail and a robust watermark. The two watermarks respond differently to different forms of processing (e.g., copying the object may render the...
6788800 Authenticating objects using embedded data  
This disclosure describes a method of making a secure product using data hidden in the product itself and a method of using the hidden data to authenticate the product. The method assigns a product...
6775392 Computer system linked by using information in data objects  
Various improvements to steganographic systems, and applications therefore, are disclosed. The improvements include facilitating scale and rotation registration for steganographic decoding by use...
6768809 Digital watermark screening and detection strategies  
To enhance decoding of signals suspected of containing an embedded auxiliary signal, a suspect signal is screened to compute detection values evincing presence and strength of the embedded signal....
6760463 Watermarking methods and media  
Audio and image (including video) content data is watermarked by processes that take into account human perception attributes of the content. Some methods assess the input content data to discern...
6751320 Method and system for preventing reproduction of professional photographs  
A reproduction apparatus (e.g., photo kiosk) includes a lens for imaging a customer-provided original onto an opto-electronic detector for producing image data, and a reproduction system for...
6744906 Methods and systems using multiple watermarks  
Two or more digital watermarks, with different characteristics, are embedded in a document. The characteristics are chosen so that the watermarks will be affected in different manners if the...
EP0981254B1 Handoff method selection in a CDMA mobile communication system  
Abstract of EP0981254 A selection method of a handoff system in a CDMA radio data communication system, which is capable of selecting one of a hard handoff system and a soft handoff system...
6728390 Methods and systems using multiple watermarks  
Two or more digital watermarks, with different characteristics, are embedded in a document. The characteristics are chosen so that the watermarks will be affected in different manners if the...
6721440 Low visibility watermarks using an out-of-phase color  
The present invention relates to digital watermarks. In a preferred embodiment, a media signal is embedded with a digital watermark component. The media signal includes a cyan color plane, a...
6718047 Watermark embedder and reader  
A watermark system includes an embedder, detector, and reader. The watermark embedder encodes a watermark signal in a host signal to create a combined signal. The detector looks for the watermark...
6708030 Selection method of a handoff system in a CDMA mobile communication system  
A selection method of a handoff system in a CDMA radio data communication system, which is capable of selecting one of a hard handoff system and a soft handoff system depending on situations of a...
6700990 Digital watermark decoding method  
To decode a digital watermark from an image notwithstanding geometrical corruption of the image (e.g., scale, rotation, etc.), a Fourier-Mellin transform is advantageously used. In a particular...
6694042 Methods for determining contents of media  
By printing documents and other objects with machine readable indicia, such as steganographic digital watermarks or barcodes, a great variety of document management functions can be enabled. The...
6675146 Audio steganography  
An input content signal—representing audio or video—is encoded to hide plural-bit auxiliary data therein. The process generates an intermediate signal that is a function of (a) the plural-bit...
RE38267 Cellular network-based geographic coverage area reporting method and apparatus  
In a cellular system configuration, the location of a mobile station is determined from the acquisition of cellular network data pertaining to the mobile station, and the translation of such...
6628801 Image marking with pixel modification  
A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the visible image, the signature...
6625297 Self-orienting watermarks  
A watermarking method converts a watermark message into a Frequency Shift Keying (FSK) signal and embeds the FSK signal in a host signal. The spectral properties of the FSK watermark signal...
Matches 1 - 50 out of 189 1 2 3 4 >