Patents Assigned to Agilent Technologies
  • Polarization Maintaining Optical Delay Circuit
    Publication number: 20080231861
    Abstract: The invention relates to a polarization maintaining optical delay circuit (1) for providing a time delay to an incident light (S1), comprising an optical directional element (11) adapted for directing an incident light (S1) from a first port (111) to a second port (112) and directing a returning light from the second port to a third port (113), a mirror element (12) adapted for reflecting the incident light (S1), thereby changing the polarization state, so that the returning light (S2) has a substantially orthogonal polarization state compared to the polarization state of the incident light (S1), and an optical waveguide (13) adapted for optically connecting the second port (112) of the optical directional element (11) and the mirror element (12). The invention also relates to a ring cavity (2,3) comprising such an optical delay circuit, and an optical interferometer (4,5) with said optical delay circuit.
    Type: Application
    Filed: August 24, 2005
    Publication date: September 25, 2008
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventor: Bernd Nebendahl
  • Rank Order Filtering for Randomly Sampled Data Points
    Publication number: 20080232249
    Abstract: A method of rank order filtering and a rank order filter apparatus is defined by an established rank order and accepts into a buffer, data points to be filtered, each data point having a data value and an associated time stamp. Data points are accepted until the buffer contains data points representing a minimum predefined time span. The filter calculating an amount of time the data values in the buffer are above an approximate filter value and adjusts the approximate filter value based upon the relationship of the amount of time to the rank order. The steps iterate to approach a value defined by the rank order and the approximate filtered value is output.
    Type: Application
    Filed: March 20, 2007
    Publication date: September 25, 2008
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventor: Lee A. Barford
  • Precursors for two-step polynucleotide synthesis
    Patent number: 7427679
    Abstract: Precursors for use in the synthesis of polynucleotides are disclosed. The precursors include a heterocyclic base having an exocyclic amine group and a substituted or unsubstituted triaryl methyl protecting group bound to the exocyclic amine group.
    Type: Grant
    Filed: August 30, 2003
    Date of Patent: September 23, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Douglas J. Dellinger, Agnieszka B. Sierzchala, Marvin H. Caruthers
  • MULTITHREADING ICONIC PROGRAMMING SYSTEM
    Publication number: 20080229220
    Abstract: An iconic network within a computer system is displayed on a display device. Multithreading execution of the iconic network is performed. The computer system receives user input to group icons of the iconic network into separate thread graphical blocks displayed on the display device. The computer system assigns the thread graphical blocks to separate threads of the operating system. The computer system executes the icons grouped in the separate thread graphical blocks by executing the separate threads of the operating system. Data associated with the icons of the iconic network is exchanged between the computer system and external electronic instruments through an instrument bus as the iconic network is processed.
    Type: Application
    Filed: June 1, 2008
    Publication date: September 18, 2008
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventor: Hua Jing
  • Embedded Directional Power Sensing
    Publication number: 20080224690
    Abstract: A module incorporates power sensors coupled to a through line through directional couplers, all of which are mounted on a board within a housing, for measuring transmitted and received power of a system under test.
    Type: Application
    Filed: May 31, 2008
    Publication date: September 18, 2008
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventors: Dean B. NICHOLSON, Jonathan B. SCOTT
  • Triazine derivatives as universal peptide isotope tag reagents (U-PIT)
    Patent number: 7425451
    Abstract: Compounds, compositions, methods for sequencing proteins and peptides, and methods for identifying proteins and peptides in a mixture, are disclosed. Compounds of formula A-B-C wherein A is a nucleophilic reactive group, B is a detectable moiety capable of being isotopically labeled, and C is a charge replacement group, are used to label the peptides at the N-terminus or the C-terminus. The tagged peptides can then be analyzed by mass spectroscopy.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: September 16, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Karla M. Robotti, James Alexander Apffel, Jr.
  • Method of telecommunications call record correlation providing a basis for quantitative analysis of telecommunications call traffic routing
    Patent number: 7424103
    Abstract: A method of identifying arbitrage includes determining whether originating and terminating call detail records (CDRs) are correlated and obtaining correlated candidate pairs from the determined CDRs; establishing whether a correlated candidate pair of the obtained correlated candidate pairs is a unique pair; and if established that a correlated candidate pair is unique, determining an amount of arbitrage based on the comparison of the originating and terminating CDR fields of the unique correlated candidate pair.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: William Philip Kernohan, Michelle Mary Tompkins
  • Mass spectrometer and method for enhancing dynamic range
    Patent number: 7423259
    Abstract: A mass spectrometer comprises an ion detector, a first amplifier, a second amplifier, and a spectra combiner. The ion detector is configured to generate an analog signal indicative of ions detected by the ion detector. The first amplifier is configured to amplify the analog signal to provide a first amplified signal having a first gain relative to the analog signal. The second amplifier is configured to amplify the analog signal to provide a second amplified signal having a second gain relative to the analog signal, and the first gain is different than the second gain. The spectra combiner is configured to combine first summed digital samples of the first amplified signal with second summed digital samples of the second amplified signal.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: August Jon Hidalgo, John Christian Fjeldsted, William Daniel Frazer, Carl Alan Myerholtz
  • Curved conduit ion sampling device and method
    Patent number: 7423261
    Abstract: An ion sampling apparatus for use in a mass spectrometry system. The ion sampling apparatus includes a target support for receiving a sample, an irradiation source for emitting energetic radiation or particles toward the target support, and a conduit having a curved end and a longitudinal axis, the curved end having an inlet with a central axis, the conduit being adjacent to the target support. The longitudinal axis of the conduit and the central axis of the inlet intersect to define an angle that is between about 20 degrees and about 210 degrees.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Jean-Luc Truche, Paul C. Goodley, Steven M. Fischer, Jian Bal
  • Composite flexible array substrate having flexible support
    Patent number: 7422911
    Abstract: Flexible array substrates having a flexible support, a flexible base, a reflective layer, and a transparent layer, in that order, are taught. Methods of forming the flexible array substrates, devices incorporating flexible array substrates, and arrays having probes arranged on a surface of the flexible array substrate are also taught.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventor: Carol T. Schembri
  • On-line enzymatic digestion in separation-detection methods
    Patent number: 7422866
    Abstract: Apparatus and methods are disclosed for digesting a biopolymer in a medium. The medium is disposed adjacent a wall of a hollow element wherein at least a portion of the wall is porous. The medium is then exposed to digestion conditions to cleave the biopolymer into fragments. The fragments are permitted to permeate through the wall of the hollow element. In some embodiments a surface of a wall of the hollow element comprises a digestion agent. In some embodiments the hollow element is disposed within a hollow liner. For analysis and identification purposes, the fragments may be separated and/or detected.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Zhenghua Ji, Li Ping Hu, legal representative, Barry E. Boyes, Liangsheng Yang
  • Resonance method for determining the spring constant of scanning probe microscope cantilevers using MEMS actuators
    Patent number: 7421899
    Abstract: In accordance with the invention, the spring constant of a scanning probe microscope cantilever mechanically coupled to a microelectromechanical system (MEMS) actuator may be determined in-situ using a frequency resonance method.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Richard K. Workman, Storrs T. Hoen
  • Constant-power constant-temperature resistive network
    Patent number: 7423514
    Abstract: A thermally stabilized device is described. Single or multiple input ports are accommodated and single and multiple power ports are described. The variation of resistance of a resistor subject to varying power dissipations is minimized by injecting complementary power dissipation and thermally linking it to the resistor. In this manner the temperature of a resistor may be maintained constant even though it dissipates varying amounts of power.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventor: Stephen Bolin Venzke
  • System and method for performing auto-focused tomosynthesis
    Patent number: 7424141
    Abstract: A system and method for performing auto-focusing operations for tomosynthetic reconstruction of images are provided. More specifically, embodiments of the present invention provide a system and method for efficiently computing the gradient of one or more depth layers of an object under inspection, wherein such gradients may be used in performing auto-focusing operations to determine a depth layer that includes an in-focus view of a feature that is of interest. In at least one embodiment, a method is provided that comprises capturing detector image data for an object under inspection, and using the detector image data for computing gradient information for at least one depth layer of the object under inspection without first tomosynthetically reconstructing a full image of the at least one depth layer.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: David Gines, Tracy K. Ragland, John M. Heumann
  • Pulse generator
    Patent number: 7423470
    Abstract: A split signal pulse generator (“SSPG”) that generates a difference signal from two split signals from a splitter module, where one of the split signals may be time delayed by a delay module, where the delay module may be a transmission line having a time delay or an adjustable delay line. The SSPG may include an input amplifier configured to shape an input signal received by the splitter module. A method of generating a difference signal is also provided.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Daniel B. Gunyan, Jonathan B. Scott
  • Method and apparatus for monitoring an interferometer
    Patent number: 7423760
    Abstract: An apparatus and to a method of monitoring an interferometer, comprising the steps of: coupling a first optical signal into the interferometer and into a wavelength reference element, detecting a first resulting interference signal being a result of interference of parts of the first optical signal in the interferometer, detecting a resulting reference signal of the wavelength reference element, the resulting reference signal being a result of interaction of the first optical signal with the wavelength reference element, and comparing the first resulting interference signal with the resulting reference signal to detect a drift of the interferometer, if any.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Wolf Steffens, Ulrich Kallmann, Bernd Nebendahl, Emmerich Mueller, Ralf Haeussler
  • Time converter
    Patent number: 7423937
    Abstract: A digital time converter with an embodiment including a coarse measuring circuit and a fine measuring circuit. The fine measuring circuit allows an accurate determination of the temporal position of an event inside a period of the time base, by interpolation or averaging of sinusoids in quadrature, sampled coincidentally with a burst of impulses generated by the converter's triggering circuit.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Jean-Luc Bolli, Jean-Francois Goumaz
  • Method of identifying peptides in a proteomic sample
    Patent number: 7422865
    Abstract: The present invention provides a new and improved method for reducing the complexity of a proteomic sample, and preferably also for allowing identification of proteins in the sample. In one aspect, the invention provides a highly efficient method for identifying proteins in a proteomic sample by characterizing a single N-terminal peptide per protein. In another aspect, the invention provides a method for identifying proteins in a proteomic sample by characterizing a single C-terminal peptide per protein. In another aspect, the present invention provides a method for quantitative determination of differential protein expression and/or modification in different samples. In another aspect, the invention relates to kits useful for conveniently performing a method in accordance with the invention.
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventor: Steven M. Fischer
  • Precision segmented ion trap
    Patent number: 7423262
    Abstract: The invention provides an ion trap assembly. In general terms, the ion trap assembly contains: a) a segmented linear ion trap; b) an insulator disposed around the segmented linear ion trap; and c) a bonding material for attaching and spacing the insulator and said segmented linear ion trap. The ion trap assembly is generally made by mounting an elongated conductive workpiece to a set of rigidly connected insulators using a bonding material, and cutting the elongated conductive workpiece into a plurality of rods using wire electrical discharge machining. Also provided is a mass spectrometry system containing the precision segmented linear ion trap.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: September 9, 2008
    Assignee: Agilent Technologies, Inc.
    Inventors: Alexander Mordehai, James Bertsch
  • Gauge housing
    Patent number: D576897
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: September 16, 2008
    Assignee: Agilent Technologies Inc.
    Inventors: Bruce D. Quimby, Joseph B. Bush, Robert D. Ricker, Thomas M. Logan, Viet X. Nguyen, Alvin D. Schmidt, Glenn Thomas, David Hubbard, Joseph Spalding, Paul J. Powell, Jr.