| Patent Number |
Title Of Patent |
Date Issued |
| RE39527 |
Method and apparatus for measuring a low power signal |
March 27, 2007 |
| Low intensity light is incident upon a photodiode whose output is coupled to an integrator. The output of the integrator is coupled to an input of an A/D converter, whose output is coupled to a microprocessor, whose output is coupled to a filter. A second output of the microprocessor is |
| D576897 |
Gauge housing |
September 16, 2008 |
|
| D555525 |
Test instrument |
November 20, 2007 |
|
| D551847 |
Instrument case |
October 2, 2007 |
|
| D489804 |
Cooling device |
May 11, 2004 |
|
| D489441 |
Cooling device |
May 4, 2004 |
|
| D476072 |
Cooling device |
June 17, 2003 |
|
| D455407 |
Cooling device |
April 9, 2002 |
|
| D454947 |
Cooling device |
March 26, 2002 |
|
| D451029 |
Container for liquids |
November 27, 2001 |
|
| D445509 |
Instrument case |
July 24, 2001 |
|
| D442692 |
Defibrillator |
May 22, 2001 |
|
| D441450 |
Defibrillator |
May 1, 2001 |
|
| 7623989 |
System and method for pulsed signal device characterization utilizing an adaptive matched filter |
November 24, 2009 |
| A test system and method which employs a filter bank to select different spectral components of a pulsed measurement signal. The filter bank utilizes filter nulls to suppress non-selected spectral components. After filtering the selected spectral components, the spectral components are |
| 7620515 |
Integrated circuit with bit error test capability |
November 17, 2009 |
| An integrated circuit (10), preferably a field programmable gate array--FPGA or an application specific integrated circuit--ASIC--, comprises a level comparator (30) for comparing a level of a comparator input signal and correspondingly providing a comparator output signal (COS). A s |
| 7620508 |
Terahertz detection using a multi-mode signal |
November 17, 2009 |
| A technique for generating and detecting an EM signal in the THz range involves generating EM energy having multiple modes, selecting at least two of the modes of the EM energy to provide a multi-mode EM signal, subjecting the multi-mode EM signal to mixing, and isolating a beat sign |
| 7619734 |
Methods and systems for computing a size distribution of small particles |
November 17, 2009 |
| Methods, systems and computer readable media for computing small particle size distributions. A reference matrix of pre-computed reference vectors is provided, with each reference vector representing a discrete particle size or particle size range of a particle size distribution of parti |
| 7619213 |
Ion extraction pulser and method for mass spectrometry |
November 17, 2009 |
| The invention provides an ion extraction pulser. The ion extraction pulser may be used independently or in conjunction with a mass spectrometry system. The mass spectrometry system includes an ion source for producing ions, an ion optics system downstream from the ion source for selectin |
| 7618777 |
Composition and method for array hybridization |
November 17, 2009 |
| The present disclosure relates to a system, composition, and method for hybridizing a microarray. The composition includes a superwetting agent. The method includes contacting the microarray with an aqueous mixture including the superwetting agent. |
| 7615417 |
Triggered silicon controlled rectifier for RF ESD protection |
November 10, 2009 |
| An ESD protection circuit is formed at the input/output interface contact of an integrated circuit to protect the integrated circuit from damage caused by an ESD event. The ESD protection circuit has a polysilicon bounded SCR connected between a signal input/output interface contact of |
| 7610520 |
Digital data signal testing using arbitrary test signal |
October 27, 2009 |
| For testing a digital data signal, a value derived from the digital data signal at a sampling point is compared against a corresponding value of an arbitrary test signal. The comparison is interpreted as an error in case the derived value does not substantially match with the corresp |
| 7610408 |
Automatic link commissioning |
October 27, 2009 |
| A smart interface converter senses initial activation in a network environment, performs preselected tests, and signals to a predefined destination. The tests performed may include internal device status, bit error rates, power levels, and the like. Signaling to a predefined destinat |
| 7610175 |
Timestamping signal monitor device |
October 27, 2009 |
| A signal monitor device that detects a signal propagating on a signal line and that generates a timestamp when the signal is detected. The timestamp may be used in a variety of applications including measuring the propagation delays on signal lines and determining the timing in a sys |
| 7610174 |
System for assured reliability in DC to AC power converters |
October 27, 2009 |
| A distributed power generation system enabled for assured reliability comprises a direct current power source, a direct current to alternating current converter (DTAC), electrically coupled to the direct current power source, the DTAC comprising a reliability limiting component (RLC) |
| 7609826 |
System and method for preparing telecommunications call record data for quantitative analysis |
October 27, 2009 |
| A system and method for processing gathered call data from a network monitoring system to prepare the call data for analyzing call routing across a network, not limited to call data associated with the transit portion of a call path. The system and method include correlating call dat |
| 7609758 |
Method of phase shifting bits in a digital signal pattern |
October 27, 2009 |
| A method of phase shifting bits in a digital signal pattern combines a bit-wise phase-shift signal with an external clock signal to produce a perturbed clock signal. The perturbed clock signal is provided to a digital pattern source to generate a shifted digital signal pattern wherei |
| 7609748 |
Method, system and apparatus for maximizing a jammer's time-on-target and power-on-target |
October 27, 2009 |
| A system and method of electronic signal jamming employ a jamming signal transmitter, an electronic signal tuner and a controller. During a first time period, the transmitter transmits a jamming signal in a first frequency segment comprising first frequencies. In a subsequent second |
| 7609706 |
System and method for correlation of dissimilar telecommunication signaling protocols |
October 27, 2009 |
| A system for correlating and displaying dissimilar communication protocols is disclosed. In one embodiment, the system comprises user communication information that spans at least two dissimilar communication protocols, a first communication protocol, and a second communication protocol. |
| 7608817 |
Adiabatically-tuned linear ion trap with fourier transform mass spectrometry with reduced packet |
October 27, 2009 |
| A linear ion trap traps a plurality of charged particles in a charged particle trap including first and second electrode mirrors arranged along an axis at opposite ends of the particle trap, the electrode mirrors being capable, when voltage is applied thereto, of creating respective |
| 7607343 |
System for nano position sensing in scanning probe microscopes using an estimator |
October 27, 2009 |
| In accordance with the invention, an estimator is used in the controller portion of a scanning probe microscope to provide precise position estimates of the probe tip which is controlled in the vertical direction by a microelectromechanical system (MEMS) actuator. The precise position |
| 7607093 |
Displaying network segment decode information in diagrammatic form |
October 20, 2009 |
| Network analyzing systems and methods are disclosed herein for analyzing a segment of a data communications network. One example of a network analyzing system includes a network analyzer that comprises a frame monitoring device operative to detect frames on the network segment under |
| 7602873 |
Correcting time synchronization inaccuracy caused by asymmetric delay on a communication link |
October 13, 2009 |
| Techniques for correcting time synchronization inaccuracy caused by asymmetric delays on a communication link. Time synchronization according to the present techniques includes determining an asymmetry in a propagation delay on a communication link used by a first device and a second |
| 7600415 |
Chromatography system with waste output |
October 13, 2009 |
| A variety of methods for operating a chromatography system are presented. Specifically, methods for operating a pumping system within a chromatography system are presented. The methods presented are directed to pumping apparatus in which very small amounts of fluid are pumped through |
| 7593825 |
Method and apparatus for management of calibration data |
September 22, 2009 |
| An electronic measurement apparatus and method provides for an instrument requiring at least one periodic calibration. The instrument has an instrument processor and an instrument memory. The instrument is configured to accept and store calibration data related to the periodic calibr |
| 7589595 |
Distributing frequency references |
September 15, 2009 |
| A correction processor connected to an oscillator uses precision timing signals propagated over a digital network to generate an error signal. IEEE-1588 time synchronization protocols produce precision time signals which are converted to precision interval signals. The correction pro |
| 7588889 |
Chemical arrays and methods of using the same |
September 15, 2009 |
| Methods and compositions for generating mixtures of product molecules from an initial chemical array are provided. In the subject methods, a chemical array of surface immobilized first moieties is subjected to cleavage conditions such that a composition of solution phase first moieti |
| 7588683 |
Column for liquid chromatography with adjustable compression |
September 15, 2009 |
| A column for liquid chromatography includes a chamber adapted to receive packing medium. Openings in the chamber allow fluid to pass through it. Porous plugs in the chamber retain the packing medium. A piston and one porous plug are movable within the chamber to compress the packing |
| 7586614 |
System and method for self-referenced SPR measurements |
September 8, 2009 |
| A system and method of using a refractive index sensor to determine a characteristic of a sample. The operation of the system and method allow for determining a change in a bulk index of the sample, and an amount of sample adsorption, using a reflected beam from an interface of the s |
| 7585970 |
Method of polynucleotide synthesis using modified support |
September 8, 2009 |
| A method for synthesizing a polynucleotide is disclosed. The method comprises providing a functionalized support comprising a triaryl methyl linker bound to the solid support through a substitution on one of the aryl groups, a nucleotide chain bound to the central methyl carbon of the |
| 7578917 |
Magnetic locking mechanism for gel electrophoresis device |
August 25, 2009 |
| An electrode arrangement for a gel electrophoresis device, the electrode arrangement comprising a first electrode member adapted to provide an electrical contact with one or more gel strips, wherein the first electrode member comprises a first locking element to lock the first electr |
| 7578173 |
Chromatography system with flow sensing |
August 25, 2009 |
| A variety of methods for operating a chromatography system are presented. Specifically, methods for operating a pumping system within a chromatography system are presented. The methods presented are directed to pumping apparatus in which very small amounts of fluid are pumped through |
| 7577172 |
Active region of a light emitting device optimized for increased modulation speed operation |
August 18, 2009 |
| In accordance with the invention, increased maximum modulation speeds and improved hole distribution are obtained for light emitting devices. Barrier layers of a quantum well structure for a light emitting device are formed with varying barrier energy heights. Quantum well layers of |
| 7576616 |
Phase controlling apparatus, frequency controlling apparatus, oscillating apparatus, phase contr |
August 18, 2009 |
| A phase controlling apparatus is disclosed. The phase controlling apparatus controls phases of signals which are output from a plurality of signal sources corresponding to first phase information which indicates a phase of a predetermined signal. The phase controlling apparatus includes |
| 7574328 |
Peak pattern evaluation using spring model |
August 11, 2009 |
| Determining a property of a measured peak pattern having at least one peak includes extracting measured peak parameters from the measured peak pattern, and determining deviations of the measured peak parameters from reference values of a reference peak pattern. The reference peak pattern |
| 7573914 |
Systems and methods for synchronizing time across networks |
August 11, 2009 |
| By equipping receiving devices in a network with synchronizable clocks it is possible to periodically send an "impulse" signal that is received by all of the clocks at the same (or relatively the same) instant of time. The accuracy of the impulse clock need not be high, only that its sig |
| 7573435 |
Convex mount for element reduction in phased arrays with restricted scan |
August 11, 2009 |
| Grating lobe free scanning in a phased array with sparse element spacing is obtained by restricting the maximum scan angle for elements in the array, and arranging the elements in a convex form. One convex form is a paraboloid, which may be continuous, or piecewise in nature, tiled with |
| 7572999 |
Inductively-coupled plasma torch for simultaneous introduction of gaseous and liquid samples |
August 11, 2009 |
| To provide an inductively-coupled plasma torch capable of realizing a GC analysis or the like and a solution analysis by the same torch without removing a capillary tube, etc. The injector tube of the inductively-coupled plasma torch includes an outer injector tube 11 for introducing |
| 7572908 |
Cleavable linkers for polynucleotides |
August 11, 2009 |
| In various embodiments of the invention, novel compositions having a polynucleotide bound to a substrate via a cleavable linker are provided, and methods of cleaving a polynucleotide from a substrate are provided. |
| 7572907 |
Methods and compounds for polynucleotide synthesis |
August 11, 2009 |
| Methods of forming polynucleotides are disclosed. |
| 7572585 |
Enzymatic labeling of RNA |
August 11, 2009 |
| Methods are described in which a sample containing RNA is contacted with an enzyme having an RNA ligation activity in the presence of a labeled substrate to provide labeled RNA. Methods of performing an array analysis of a labeled RNA sample are also described. |
