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| Number | Title | Issue Date |
| 7542227 | Flying height measurement and control with user data signal A hard disk drive that determines a flying height from a slope of a line created from a ratio of amplitudes of frequencies in response to impulse functions. A first set of amplitudes of reference frequencies can be determined from a reference impulse. A second set o... | 06/02/2009 |
| 7320455 | Instrumented platform for vibration-sensitive equipment A platform that includes a vibration sensor located within an inner core of a table. The table may have a first plate that supports a vibration-sensitive payload. The first plate may be separated from a second plate by the inner core. The sensor can be located withi... | 01/22/2008 |
| 6002003 | Cyanine dye activating group with improved coupling selectivity Activating groups for cyanine dyes used to label chain terminators in nucleotide sequencing, based on N-hydroxyphthalimide, are disclosed. From these activating groups, activated dyes of the present Invention are prepared which react with the derivitized ... | 12/14/1999 |
| 5555187 | Method and apparatus for determining the timing specification of a digital circuit The invention accepts user input that describes the circuit elements of a digital circuit and the interconnections between those elements. Based upon the user input, the invention computes the maximum setup and hold times for each data input of the integr... | 09/10/1996 |
| 5539462 | Camera auto focus system with detector circuits for generating evaluation functions A method and apparatus for automatically focusing cameras. An auto focus circuit detects highly bright objects contained within an image frame of a scene. If highly bright objects are not detected, an auto focus processor adjusts the focus of the camera t... | 07/23/1996 |
| 5537355 | Scheme to test/repair multiple large RAM blocks The method and apparatus of the present invention provides an interface between a testing device and a random access memory (RAM). The RAM comprises two types of RAM, a TAG RAM and a data RAM. In normal operation, the TAG RAM is not coupled to any devices... | 07/16/1996 |
| 5535137 | Random access audio/video processor with compressed video resampling to allow higher bandwidth throughput A random access audio/video processor having multiple outputs is disclosed. The processor includes a main control unit with analog video and audio back panels, an analog input/output board, audio and video processing boards, video effects board, synchroni... | 07/09/1996 |
| 5532694 | Data compression apparatus and method using matching string searching and Huffman encoding An apparatus and method for converting an input data character stream into a variable length encoded data stream in a data compression system. A sliding window data compression algorithm is combined with Huffman encoding on the strings and raw bytes. The ... | 07/02/1996 |
| 5528541 | Charge shared precharge scheme to reduce compare output delays The charge shared precharge circuit of the present invention is coupled to the match line. The precharge circuit is disposed between the match line and a match line, and includes a CMOS passgate having an N channel and a P channel gate. An inverter acts a... | 06/18/1996 |
| 5527010 | Stand for supporting an elongate object A stand for supporting an elongate object such as a Christmas tree in a substantially vertical orientation has a central tubular support (4) adapted to receive an end of the object, and a plurality of legs (12) releasably securable on the tubular support ... | 06/18/1996 |
| 5524195 | Graphical user interface for interactive television with an animated agent A graphical user interface for displaying and selecting video programs, such as video on demand, includes a video on demand server coupled to a communication medium. A plurality of settop box receivers are coupled to the communication medium for receiving... | 06/04/1996 |
| 5521736 | Control circuits for parallel optical interconnects Simple and efficient electronic circuits and methods are disclosed for better use of parallel optical interconnect system transmitting a plurality of dc NRZ data and an independent clock signal. The present invention dynamically compensates for the effect... | 05/28/1996 |
| 5519825 | Method and apparatus for NTSC display of full range animation Full-motion animation video is displayed in a computer system through use of sprite objects. The sprite objects define the images on the output display, and the locations of the sprite objects are changed to create the animation. The computer system inclu... | 05/21/1996 |
| 5517432 | Finite state machine transition analyzer A state machine synthesis tool, a state table script generator, a state table extraction tool, a simulation driver, a simulator, and an interactive reporter, are provided to verify the design and implementation of finite state machines (FSMs). The synthes... | 05/14/1996 |
| 5515024 | High performance dynamic compare circuit The present invention discloses apparatus and methods for comparing the contents of two digital words and determining whether or not they identically match. The present invention's high speed compare circuit includes a plurality of bit compare block circu... | 05/07/1996 |
| 5512918 | High speed method and apparatus for generating animation by means of a three-region frame buffer and associated region pointers A method and apparatus for quickly copying a first frame region into a second frame region. A video memory array comprising a plurality of video random access memory devices is divided into at least two frame regions. A background image is rendered by a c... | 04/30/1996 |
| 5508940 | Random access audio/video processor with multiple outputs A random access audio/video processor having multiple outputs is disclosed. The random access audio/video processor includes a main control unit having an analog video back panel, an analog audio back panel, an analog input/output (I/O) board. An audio pr... | 04/16/1996 |
| 5506580 | Data compression apparatus and method An apparatus and method are disclosed for converting an input data character stream into a variable length encoded data stream in a data compression system. The data compression system includes a history array. The history array has a plurality of entries... | 04/09/1996 |
| 5505355 | Pack for carrying a gun A hand gun is completely concealed within a gun carrying pack. The pack is mounted on a wearer by a belt around the wearer's waist. The pack has a pouch, concealed behind an additional belt strap and clip, for carrying a hand gun. The pouch has front and ... | 04/09/1996 |
| 5502670 | Single cycle flush for RAM memory The present invention provides methods and apparatus for resetting all of the cells in a random access memory (RAM) during one clock cycle without requiring ancillary drivers. At the start of the reset cycle, each column in the memory array is selected to... | 03/26/1996 |
| 5502723 | Method for assigning cell slots to one or more communication channels by mapping the channels to cell slots based on a one-to-one transformation The method of the present invention achieves a desired assignment of the physical cell slots comprising a time division multiplexed frame to embedded channels by ascribing an element address to uniquely identify each of the cell slots of the frame. A logi... | 03/26/1996 |
| 5488729 | Central processing unit architecture with symmetric instruction scheduling to achieve multiple instruction launch and execution An apparatus and method for scheduling a sequence of instructions for achieving multiple launches and multiple executions of the instructions within a central processing unit. Each of the instructions is classified according to which one of multiple execu... | 01/30/1996 |
| 5487113 | Method and apparatus for generating audiospatial effects A method and apparatus is disclosed for producing one or more audiospatial effects in an original audio signal. A spatially disorienting signal, typically a modified white noise pattern, is combined with the original audio signal. A spatially reorienting ... | 01/23/1996 |
| 5483511 | Multiple beam optical memory system with solid-state lasers An optical memory system employing multiple reading/writing optical beams from solid state lasers for simultaneously reading from a writing to multiple tracks of optical media to allow reading/writing of closely spaced adjacent tracks, a number a feature ... | 01/09/1996 |
| 5475811 | Rewinding time-based script sequences The system of the present invention provides a mechanism for executing a script sequence containing a plurality of commands and associated time for executing the commands. The system allows a user of the script sequence to specify an arbitrary time, eithe... | 12/12/1995 |
| 5469558 | Dynamically reconfigurable memory system with programmable controller and FIFO buffered data channels A memory system includes a main memory and a memory controller. The main memory includes at least one block which has a plurality of banks. The memory controller includes a plurality of data channels each of which can access at least one bank in the main ... | 11/21/1995 |
| 5467412 | Correcting digitized signals to achieve specified output results for an image An operator input subsystem and an image signal processing subsystem are provided to a digital image processing system. The operator input subsystem comprises a CPU, a display device and an input device, whereas the image signal processing subsystem compr... | 11/14/1995 |
| 5463390 | Data compression apparatus and method An apparatus and method are disclosed for converting an input data character stream into a variable length encoded data stream in a data compression system. The data compression system includes a history array. The history array has a plurality of entries... | 10/31/1995 |
| 5459416 | Sense amplifier common mode dip filter circuit to avoid false misses A high speed compare circuit includes a plurality of bit compare block circuits (0 through N) which are coupled in a wired OR configuration to a match line. Each bit compare block (0 through N) includes a compare circuit for receiving a bit and its comple... | 10/17/1995 |
| 5459673 | Method and apparatus for optimizing electronic circuits A method and apparatus for sizing components of an electronic circuit by replacing standard cells representative of the components in the circuit with other standard cells from a standard cell library in order to improve the performance so that the circui... | 10/17/1995 |
| 5457478 | Control device A control device method and apparatus has application for use in multi-media systems. The multi-media system contains a host computer having a video display, a control device and at least one target device. The target device is any remotely controlled equ... | 10/10/1995 |
| 5455464 | Method and apparatus for providing dynamically configurable electrical switches A digital wiring configuration comprises a switch control allowing a user to select a function to control a corresponding electrical device. A control unit couples electrical power to the electrical devices through power outlets. The control unit allows a... | 10/03/1995 |
| 5452435 | Synchronized clocks and media players A media player and the clock which controls it are integrated into a single object. This integration may be achieved by the construct of inheritance between objects in an object oriented programming environment. A software class for player objects is esta... | 09/19/1995 |
| 5440721 | Method and apparatus for controlling signal timing of cascaded signal processing units Each of the signal processing units of a digital signal processing system is provided with a programmable timing delay unit having identical programming interface to control the signal timing of its signal processing circuitry. Additionally, a central tim... | 08/08/1995 |
| 5430875 | Program notification after event qualification via logical operators The present invention provides a method and apparatus for event handling which addresses the problems associated with the prior art, including those problems discussed above, by delegating, for example to the system software, the task of determining wheth... | 07/04/1995 |
| 5430799 | Multichannel television signal scrambling and descrambling system and method A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in ... | 07/04/1995 |
| 5428387 | Method and apparatus for a real-time film-to-video conversion system A real-time telecine system for converting motion picture film to high definition video contains a control unit comprising a database which provides complete control over all parameters associated with the film to high definition video conversion. The tel... | 06/27/1995 |
| 5416518 | Camera auto focus system A method an apparatus for automatically focusing cameras. An auto focus circuit detects highly bright objects contained within an image frame of a scene. If highly bright objects are not detected, an auto focus processor adjusts the focus of the camera to... | 05/16/1995 |
| 5416842 | Method and apparatus for key-management scheme for use with internet protocols at site firewalls The present invention includes a first data processing device (node I) coupled to a first private network and to a firewall server (FWA). Firewall server FWA is in turn coupled to a public network, such as the Internet. A second data processing device (no... | 05/16/1995 |
| 5414850 | System for transparently compressing data files in a computer system A data compression device driver compresses and decompresses files on a disk drive in a computer system when a user copies files from a drive letter assigned to the disk drive to a drive letter assigned to the data compression device driver. Drive paramet... | 05/09/1995 |
