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| Number | Title | Issue Date |
| 6434384 | Non-uniform multi-beam satellite communications system and method A satellite broadcast system and method, particularly useful for television signals, allows for local as well as nationwide broadcast service by allocating greater satellite resources to the more important local service areas. This is accomplished by broa... | 08/13/2002 |
| 6400258 | Electric arc monitoring systems Systems of monitoring electric arcs substantially eliminate alternating current fundamentals and harmonics from monitored arc signatures. Such systems phase shift, delay or otherwise store a representation of the alternating current fundamental and harmon... | 06/04/2002 |
| 6366115 | Buffer circuit with rising and falling edge propagation delay correction and method A buffer circuit includes a delay circuit which is interposed between a signal source and a following circuit. The delay circuit propagates a signal from an input to an output; the signal has associated desired timing relationships between its rising and ... | 04/02/2002 |
| 6365482 | I.C. thin film resistor stabilization method A method for stabilizing thin film structures fabricated on an I.C. wafer requires the performance of a rapid thermal annealing (RTA) step after the thin film material, preferably silicon-chromium (SiCr) or silicon chromium carbide (SiCrC), is sputtered o... | 04/02/2002 |
| 6365480 | IC resistor and capacitor fabrication method An IC resistor and capacitor fabrication method comprises depositing a dielectric layer over existing active devices and metal interconnections on an IC substrate. In a preferred embodiment, a layer of thin film material suitable for the formation of thin... | 04/02/2002 |
| 6365093 | Strengthening method for green form parts made from metal powder A method of strengthening green form parts made from metal powder requires the use of a cross-linkable polymer which, when cross-linking has been induced, retains its mechanical properties to a degree sufficient to prevent fracture or significant deformat... | 04/02/2002 |
| 6366070 | Switching voltage regulator with dual modulation control scheme A switching voltage regulator employs a "dual modulation" scheme to control the regulator's switching components. A control circuit indirectly monitors load current. When the load decreases, the control circuit reduces both the duty ratio and the frequenc... | 04/02/2002 |
| 6363241 | Muting systems and methods for communication transceivers Muting systems and methods are described that reduce noise signals that are received in a communication hub which communicates with indoor units (IDUs) of a plurality of communication customers. The systems and methods reduce transmitter signal gain when ... | 03/26/2002 |
| 6362629 | Electric arc monitoring systems Electric arc monitoring is effected by exploiting the discovery that electric arcs are fractal phenomena in that all essential information that signifies an "arc" is contained in each fractal subset. The fractal subsets are logarithmically distributed ove... | 03/26/2002 |
| 6356450 | Circuit board holders and assemblies A circuit board holder has or is provided with a face plate and with walls projecting from an inside of that face plate. A pair of opposite ones of such walls are equipped with circuit board retainers. Such retainers may be inside and/or outside of a spac... | 03/12/2002 |
| 6355840 | Synthesis of permethyldodecaborate and paramagnetic dodecaborate salt The dodecamethyl closo-borane dianion [closo-B12 (CH3)12 ]2- and anion [closo-B12 (CH3)12 ]- were synthesized and characterized. Dodecamethyl-closo dodecaborate (2-) was ... | 03/12/2002 |
| 6351660 | Enhanced visualization of in-vivo breast biopsy location for medical documentation An image processing system and method visually documents and displays the in-vivo location from which a biopsy specimen was extracted, by processing pre-biopsy and post-biopsy images. A composite image is created which visually emphasizes differences betw... | 02/26/2002 |
| 6350041 | High output radial dispersing lamp using a solid state light source The invention provides a new solid state lamp emitting a light useful for room illumination and other applications. It comprises a solid state Light Source which transmits light through a Separator to a Disperser that disperses the light in a desired patt... | 02/26/2002 |
| 6345375 | Packet-based communication methods and systems having improved data throughput Packet-based communication methods and systems are provided which improve data throughput and which respond to different error-rate conditions with modifications appropriate for those conditions. In method embodiments, data frames are initially formed to ... | 02/05/2002 |
| 6342753 | Piezoelectric transformer and operating method A piezoelectric transformer has pairs of input/output electrodes located on a piezoelectric body corresponding to period locations on a standing sine wave superimposed on said body, and having a waveform corresponding to vibrational modes of the piezoelec... | 01/29/2002 |
| 6338032 | System and method for trimming IC parameters A circuit and method for trimming and simulating the effect of trimming a plurality of IC parameters. Trim signals which affect respective IC parameters are generated with respective digital-to-analog converters (DACs) in response to digital bit patterns.... | 01/08/2002 |
| 6331830 | Self-trimming current source and method for switched current source DAC A self-trimming current source for used in a switched current source DAC is made from a fixed current source and a variable current source, which are connected in parallel to provide a total output current. The total output current is automatically calibr... | 12/18/2001 |
| 6332210 | Method of creating and using system-independent software components A software application is analyzed to identify its "core functionalities", and object-oriented core objects containing no application-specific control behavior are created to perform these essential functions. The event traces in which the core objects pa... | 12/18/2001 |
| 6330361 | Adaptively aligned optical correlator and method An improved optical correlator using a coherent light beam employs a method of adaptive alignment. A test pattern modulates an input spatial light modulator. The modulated beam propagates through passive transforming optical elements to a filter spatial l... | 12/11/2001 |
| 6330356 | Dynamic visual registration of a 3-D object with a graphical model The invention displays computer graphics in combination with imagery of real objects, while maintaining apparent alignment notwithstanding any changes of viewpoint of an imaging device relative to the real object. A computer executed control loop recogniz... | 12/11/2001 |
| 6327688 | Data bus with automatic data integrity verification and verification method A data bus system with data integrity verification is arranged so that a bus device receiving a message always responds by sending a check sequence back to the message originating device; i.e., a check sequence is automatically returned to a message origi... | 12/04/2001 |
| 6326828 | Precision set-reset logic circuit A precision SET-RESET logic circuit and operating method separate a latch function from the critical signal path which produces the logic outputs. In a particular implementation the logic circuit includes two differential switch pairs controlled respectiv... | 12/04/2001 |
| 6324379 | Transceiver systems and methods that preserve frequency order when downconverting communication signals and upconverting data signals Full-duplex, coherent transceivers are provided which can directly interface between exisiting data interface modules (e.g., cable modems) and wireless cable providers to facilitate the flow of high-speed downlink communication signals and high-speed upli... | 11/27/2001 |
| 6321602 | Condition based monitoring by vibrational analysis An apparatus and method monitors the condition of a bearing/shaft assembly by forming diagnostics based on spectral analysis of assembly's vibration. Baseline parameters are determined by a microprocessor analysis of the vibration spectra, comparing actua... | 11/27/2001 |
| 6323791 | Control systems and methods for reducing residue signal offset in subranging analog-to-digital converters Feedback control systems and methods are provided for correcting residue signal offset errors in subranging ADCs. The systems and methods eliminate clock-to-clock offset changes and reduce noise generation. An exemplary control system includes a feedback ... | 11/27/2001 |
| 6313682 | Pulse generation circuit and method with transmission pre-emphasis A shaped pulse generation circuit for applications such as automatic test equipment pin drivers employs an active feedback circuit that adds a pre-emphasis to the output pulses, thereby compensating for the effect of the transmission system between the pi... | 11/06/2001 |
| 6307491 | Trim systems and methods having temporary and permanent operational modes Latch systems and methods are configured to temporarily latch trim signals in experimental combinations of set and reset states and, subsequently, to permanently latch the trim signals in a preferred combination (i.e., a combination that optimizes the per... | 10/23/2001 |
| 6304201 | Precision digital-to-analog converters and methods having programmable trim adjustments N-bit precision digital-to-analog converters are provided that facilitate realization of precision linearities (i.e., linearities that substantially exceed N-bit linearity). They include a binary-weighted current source, current switches and bidirectional... | 10/16/2001 |
| 6304109 | High gain CMOS amplifier A CMOS amplifier includes a FET differential input stage, with the input transistors' sources connected to a common tail current. A first current mirror reflects the drain current from one input FET to the other at a first node. A pair of FETs are connect... | 10/16/2001 |
| 6294902 | Bandgap reference having power supply ripple rejection A bandgap reference circuit provides an output reference voltage that is generally insensitive to fluctuations in supply voltage, ambient temperature, and output load current. A current regulator establishes an output whose variations are reduced, prefera... | 09/25/2001 |
| 6292123 | Digital-to-analog converter with CMOS-compatible power-on reset circuit A power-on reset circuit employs all-CMOS circuitry to initiate a reset signal when the circuit's power supply voltage is low, and terminate the signal in response to the supply voltage exceeding a reference voltage by at least the greater of the threshol... | 09/18/2001 |
| 6285802 | Rotational correction and duplicate image identification by fourier transform correlation The invention corrects for rotational misalignment of images having a prominent periodic structure in a preferred direction, particularly imaged text pages. It preferably also finds the degree of correlation between different images. First the rotational ... | 09/04/2001 |
| 6281838 | Base-3 switched-line phase shifter using micro electro mechanical (MEMS) technology A phased array antenna phase shifter having one or more serially connected stages, the stages allowing a transmission signal to pass through to a radiating element. Each of the stages have three or more delay lines for imparting a different respective del... | 08/28/2001 |
| 6271701 | Resetting flip-flop structures and methods for high-rate trigger generation and event monitoring D flip-flop structures are provided which respond to a DATA signal and a clock (CLK) signal by generating an output signal whose state during each clock pulse is that of the DATA signal at that pulse's leading edge and whose state between clock pulses is ... | 08/07/2001 |
| 6268386 | Nicotine beverage A liquid composition including a Nicotine or alkaloid having the same direction of activity, content of between 0.0001% and 0.1% that can be consumed orally.... | 07/31/2001 |
| 6268734 | Operational amplifier input offset voltage and input bias current test circuit A precision op amp test circuit employs latching relays, the contacts of which are latched open or closed as necessary to make test measurements. The relays' metal contacts ensure low resistance conductive paths, and because the coil of a latching relay n... | 07/31/2001 |
| 6265901 | Fully differential logic or circuit for multiple non-overlapping inputs A high speed, multiple input restrictive OR circuit with fully differential inputs and output is used in applications in which only one input can be active at a time. N differential voltage inputs are converted into N corresponding differential current si... | 07/24/2001 |
| 6265727 | Solar blind photodiode having an active region with a larger bandgap than one or both if its surrounding doped regions A solar blind p-i-n photodiode where the active i-region has a bandgap larger than the bandgap of one or both of the n-type and p-type regions. The preferred embodiment photodiode is GaN based and Al is added to the regions to obtain the desired bandgap p... | 07/24/2001 |
| 6264115 | Airless reversible spray tip An improved reversible airless spray tip inhibits dripping, spitting, and undesirable paint accumulation on the spray guard, while improving safety. A positioning detent on the spray tip carrier handle snaps positively into place when a nozzle carrier is ... | 07/24/2001 |
| 6263522 | Hydrotherapy jet with an extendable/retractable outlet A hydrotherapy jet system has a segmented outlet that extends from the jet body in response to a water flow through the jet and retracts when the flow stops. Water flows into the jet body, where it is directed into a nozzle that tapers to accelerate the w... | 07/24/2001 |
