Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6934461 | Low attention recording, with particular application to social recording The invention enables “low attention recording,” i.e., recording that need not appreciably affect interaction of a recorder (i.e., a person in control of a recording unit according to the invention) or others with the environment in which the recording is taking... | 08/23/2005 |
| 6907533 | System and method for computer security using multiple cages A system and method are disclosed for providing security for a computer network. Content sets are generated for a computer associated with the network. It is determined whether a user should be routed to the generated content sets. If it is determined that the user ... | 06/14/2005 |
| 6900699 | Phase synchronous multiple LC tank oscillator A phase synchronous multiple LC tank oscillator includes a plurality of oscillator stages configured to oscillate synchronously. The phase of each of the plurality of oscillator stages is substantially the same. ... | 05/31/2005 |
| 6885323 | Analog to digital converter with distortion correction A system and method are disclosed for correcting for output distortion of an analog to digital converter, comprising: estimating the output distortion, providing an estimated distortion, and combining an output of the analog to digital converter with the estimated d... | 04/26/2005 |
| 6882187 | Line driving circuit A line driver and a method for driving a line are disclosed. The line driver includes a first current device configured to initiate a change in the state of the line and a second current device configured to substantially complete the change. The first current devic... | 04/19/2005 |
| 6880171 | Browser for use in navigating a body of information, with particular application to browsing information represented by audiovisual data The invention facilitates and enhances review of a body of information, such as a set of audio, video and text data or some combination thereof, enabling the body of information to be quickly reviewed so to obtain an overview of the content of the body of informatio... | 04/12/2005 |
| 6856191 | Nonlinear filter A system and method are disclosed for a nonlinear filter having a nonlinear transfer function. The nonlinear filter comprises a plurality of linear filters each having a filter output, a plurality of nonlinear elements each connected to one of the plurality of linea... | 02/15/2005 |
| 6845452 | Providing security for external access to a protected computer network A system and method are disclosed for providing controlled access via an external network to a resource residing on an internal network. An external request addressed to a first computer system associated with the internal network is received at the first computer s... | 01/18/2005 |
| 6845374 | System and method for adaptive text recommendation Network system provides a real-time adaptive recommendation set of documents with a high statistical measure of relevancy to the requestor device. The recommendation set is optimized based on analyzing text of documents of the interest set, categorizing these docume... | 01/18/2005 |
| 6844761 | DLL with false lock protector A system and method are disclosed for providing a DLL with false lock protector to avoid false lock and ensure accurate lock. The false lock protector operates when the initial delay time between signals from an input reference clock and an output clock exceeds the ... | 01/18/2005 |
| 6842735 | Time-scale modification of data-compressed audio information A data-compressed audio waveform is temporally modified without requiring complete decompression of the audio signal. Packets of compressed audio data are first unpacked, to remove scaling that was applied in the formation of the packets. The unpacked data is then t... | 01/11/2005 |
| 6839438 | Positional audio rendering An audio rendering system and method are disclosed. The audio rendering system generally comprises front and rear signal modifiers configured to receive a plurality of audio signals representing a plurality of sources of aural information and location information re... | 01/04/2005 |
| 6838872 | Position detecting system and method A system and method for detecting the position of an object are disclosed. A position detection system for locating an object including a resonator comprises an array of parallel conductors responsive to the magnetic field from the resonator, and a plurality of rece... | 01/04/2005 |
| 6836193 | Discretely variable capacitor for voltage controlled oscillator tuning A system and method are disclosed for generating a variable frequency output. A voltage controlled oscillator (VCO) is used. The VCO comprises a plurality of aggregate capacitor circuits, wherein each of the aggregate capacitor circuits has a collective capacitance,... | 12/28/2004 |
| 6825875 | Hybrid recording unit including portable video recorder and auxillary device The invention enables “low attention recording,” i.e., recording that need not appreciably affect interaction of a recorder (i.e., a person in control of a recording unit according to the invention) or others with the environment in which the recording is taking... | 11/30/2004 |
| 6826697 | System and method for detecting buffer overflow attacks A system and method are disclosed for detecting intrusions in a host system on a network. The intrusion detection system comprises an analysis engine configured to use continuations and apply forward- and backward-chaining using rules. Also provided are sensors, whi... | 11/30/2004 |
| 6820082 | Rule based database security system and method A rule-based database security system and method are disclosed. A method for processing requests from a user to perform an action with respect to data stored in an electronic database includes defining a plurality of user defined rules containing security constraint... | 11/16/2004 |
| 6810093 | Sequence detection A system and method are disclosed for recovering a current data symbol that is part of a sequence of data symbols from a received signal. Recovering the current data symbol includes determining a set of candidate current data symbols from a set of possible current d... | 10/26/2004 |
| 6806779 | Frequency synthesizer with on-chip inductor A system and method are disclosed for generating a synthesized signal. A frequency synthesizer is used. The frequency synthesizer includes an input interface configured to receive an input signal having a reference frequency; a phase locked loop (PLL) coupled to the... | 10/19/2004 |
| 6803924 | Flexible variation of haptic interface resolution A haptic interface device is disclosed. The haptic interface device comprises a haptic display and a resolution input device. The haptic display is configured to provide a haptic sensation to a user in response to an interaction with an environment by the user. The ... | 10/12/2004 |
| 6795812 | Implementing a counter offer for an on line credit card application A system and method are disclosed for offering credit to an applicant. A plurality of offers are determined using information about the applicant. A displayed offer is displayed and a withheld offer is withheld. An indication that the displayed offer is unacceptable... | 09/21/2004 |
| 6792118 | Computation of multi-sensor time delays Determining a time delay between a first signal received at a first sensor and a second signal received at a second sensor is described. The first signal is analyzed to derive a plurality of first signal channels at different frequencies and the second signal is ana... | 09/14/2004 |
| 6788232 | Sigma delta modulator A sigma delta modulator system and a method for modulating a signal are described. The sigma delta modulator includes a plurality of cascading stages, an output coupled to the plurality of the cascading stages via a plurality of feedback connections, and a feedforwa... | 09/07/2004 |
| 6788314 | Attention manager for occupying the peripheral attention of a person in the vicinity of a display device An attention manager presents information to a person in the vicinity of a display device in a manner that engages at least the peripheral attention of the person. The information is embodied by one or more sets of content data (e.g., video or audio data). Each set ... | 09/07/2004 |
| 6784740 | Power amplifier A system and method are disclosed for providing amplification to an input signal. The amplifier comprises an amplification stage configured to provide a gain to an input signal and to produce an amplified output, wherein the amplification stage includes an interface... | 08/31/2004 |
| 6782186 | System and method for selective recording of information A system and method for selective recording of information uses sequential pattern matching of statistical vectors which characterize incoming time-based information to identify previously marked information within an incoming information stream. The system and meth... | 08/24/2004 |
| 6775835 | Web based video enhancement apparatus method and article of manufacture Presented herein is a video enhancer plug-in for a web browser that may either interface directly with the browser or indirectly as a plug-in for another more general multimedia browser plug-in. The video enhancer consists primarily of video enhanced scripts and a l... | 08/10/2004 |
| 6768364 | Quadrature signal generation with phase error correction A quadrature signal generator includes a polyphase filter where four resistive elements and four variable capacitive elements are connected alternately in series to form a loop; and a phase corrector that variably controls the capacitance of the variable capacitive ... | 07/27/2004 |
| 6765441 | Differential amplifier A differential amplifier and a method for amplifying an input signal are disclosed. The differential amplifier comprises an amplification stage configured to amplify an input signal to produce an amplified output, a current source configured to provide a bias curren... | 07/20/2004 |
| 6762703 | Sigma delta modulator A system and method are disclosed for providing noise reduction in a sigma delta modulator. Reducing the noise comprises inputting a signal to a plurality of modulator stages; feeding back the signal within at least one of the modulator stages through a feedback loo... | 07/13/2004 |
| 6760884 | Interactive memory archive An authoring system and procedure for organizing photos (and other physical object types) are provided. Using the authoring system, an author organizes a set of physical objects into a particular story through an interface. Each physical object is associated with a ... | 07/06/2004 |
| 6757682 | Alerting users to items of current interest Disseminating to a participant an indication that an item accessible by the participant via a network is of current interest is disclosed. An indication that the item is of current interest is received in real time. The indication is processed. The participant is in... | 06/29/2004 |
| 6754546 | Electronic audio connection system and methods for providing same The electronic audio connection system of the present invention provides an experience much like sharing a room with several involved parties, even though the parties are physically separated. Speech enhancement and speech emphasis processing functions ensure partie... | 06/22/2004 |
| 6750880 | Attention manager for occupying the peripheral attention of a person in the vicinity of a display device An attention manager presents information to a person in the vicinity of a display device in a manner that engages at least the peripheral attention of the person. The information is embodied by one or more sets of content data (e.g., video or audio data). Each set ... | 06/15/2004 |
| 6738066 | System, method and article of manufacture for detecting collisions between video images generated by a camera and an object depicted on a display A system, method and article of manufacture are provided for detecting collisions or any other type of interactions between video images and an object depicted on a display. First, video images generated by a camera are received. Upon receipt, a first collision dete... | 05/18/2004 |
| 6728678 | Variable rate video playback with synchronized audio The invention enables the apparent display rate of an audiovisual display to be varied. The invention can modify an original set of audio data in accordance with a target display rate, then modify a related original set of video data to conform to the modifications ... | 04/27/2004 |
| 6724267 | Voltage controlled oscillator A cascaded voltage controlled oscillator is described that includes a first oscillator stage having a first oscillator stage first input, a first oscillator stage second input and a first oscillator stage output. A second oscillator stage includes a second oscillato... | 04/20/2004 |
| 6721744 | Normalizing a measure of the level of current interest of an item accessible via a network Normalizing a measure of the level of current interest of an item that is based on indications of interest received from one or more users of a network via which the item is accessible is disclosed. In one embodiment, an intensity value is determined for each succes... | 04/13/2004 |
| 6720876 | Untethered position tracking system The invention can enable the position (i.e., location and/or orientation) of one or more untethered objects to be tracked. One or more transmitters, each of which has a fixed and known positional relationship to a corresponding object, each emit a sequence of positi... | 04/13/2004 |
| 6718313 | Integrating live chat into an online credit card application A system and method are described for providing on line chat help to an applicant. An application identifier and a chat applet are inserted into a web page. The web page is sent to the applicant. The chat applet is configured to determine based on an event that the ... | 04/06/2004 |
