External Cavity for Generating a Stimulus Signal and Filtering a Response Signal Received From a Dut
Granted: February 19, 2009
Application Number:
20090046747
Deriving an optical property of a device under test includes generating a cavity light beam along a first optical path in external cavity, selecting a wavelength of the cavity light beam of light by means of a filter arrangement within the external cavity, providing an optical stimulus signal to a device under test by splitting at least a fraction of the cavity light beam, providing an optical response signal from the DUT or a signal derived there form back to the external cavity, so…
Mix and Match Preselector and RF Receiver
Granted: February 19, 2009
Application Number:
20090047918
A measuring receiver includes a preselector, spectrum analyzer and a signal source. The preselector has a filtered path for pre-filtering an input signal and outputting a pre-filtered signal. The preselector also has a bypass path for passing the input signal directly from the signal source to the spectrum analyzer. A switch switches the signal between the filtered path and the bypass path. The measuring receiver is calibrated by calibrating a bypass path of the preselector and then…
METHOD AND SYSTEM FOR ESTIMATING SURFACE PLASMON RESONANCE SHIFT
Granted: February 19, 2009
Application Number:
20090046275
A surface plasmon measurement instrument measures a change in a property (e.g., refractive index) of a material layer. The method includes providing a prism with a rear surface having a metal layer disposed thereon; providing the material layer on the metal layer on the rear surface of the prism; directing a source beam through the prism toward the rear surface in a vicinity of the material layer; performing at least two sampled measurements to detect light reflected from the rear…
MASS SPECTROMETER
Granted: February 12, 2009
Application Number:
20090039251
A side wall 35 that extends in the axial direction enclosing the plasma in such a way that expansion of plasma to the sides is prevented at the back surface of a skimmer cone 33 and a small collision chamber 36, which is positioned at the back side of this side wall 35 and is defined by a flat part 56 of a first electrode 53 having an opening 57 through which the ion beam can pass. By means of this small collision chamber 36, the pressure inside the chamber rises without introducing…
ENCLOSURE PROVIDING IMPROVED COOLING FOR A HEAT-GENERATING DEVICE
Granted: February 5, 2009
Application Number:
20090033186
An enclosure includes interconnected panels defining an internal space. The panels define an air inlet for admitting cooling air to the enclosure and an air outlet for exhausting cooling air from the enclosure. The panels configure the internal space to promote a linear air flow velocity near the inlet (or outlet) that is greater than a respective velocity near the outlet (or inlet) for a given volumetric flow rate of air through the enclosure. A portion of a cover panel may be angularly…
ADIABATICALLY-TUNED LINEAR ION TRAP WITH FOURIER TRANSFORM MASS SPECTROMETRY WITH REDUCED PACKET COALESCENCE
Granted: January 22, 2009
Application Number:
20090020694
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 electric fields configured to reflect charged particles causing oscillation of the particles between the mirrors. The method includes: (a) introducing into the charged particle trap the plurality of charged…
HIGH PERFORMANCE MIXED SIGNAL CIRCUIT
Granted: January 22, 2009
Application Number:
20090021285
The present invention is related to a digital circuit for use in a mixed-signal circuit. The digital circuit comprises: a first circuit for direct digital synthesis comprising a first phase generator (PG1) arranged for being fed with a phase generator input signal, a first phase-to-amplitude converter (PAC1) arranged for being fed with a phase from the first phase generator and for generating a first carrier wave output, and first signal combining means (R1) for combining the first…
Magazine for Separation Columns
Granted: January 15, 2009
Application Number:
20090014373
A separation unit comprising a magazine unit with a magazine is described. The magazine comprises a plurality of pockets, each pocket being adapted for accommodating a separation column for separating compounds of a fluid sample. The magazine unit is adapted for moving any of the pockets to a structural component, wherein a pocket and the structural component are adapted for complementing one another to form a column compartment.
User Programmable Key in a User Interface System
Granted: January 15, 2009
Application Number:
20090019396
A User Programmable Key resides on an instrument to assist a user to access and execute preferred features of the instrument in a minimal amount of time. A feature or a set of features are programmed into the User Programmable Key by a user from some or all of the available features in an instrument. The User Programmable Key is assigned to an area adjacent or on the graphical user interface and visible while a user accesses other available buttons, menus or features of an instrument's…
METHOD AND A SYSTEM FOR DETERMINING BETWEEN DEVICES A REFERENCE TIME FOR EXECUTION OF A TASK THEREON
Granted: December 18, 2008
Application Number:
20080309460
A method is disclosed for determining, between an initiating device and at least one responding device, a reference time for the execution of at least one task on one of the devices. The method includes the initiating device prompting at least one responding device to provide a respective desired reference time. The method further includes at least one responding device providing a respective desired reference time, in response to the prompting. An actual reference time is determined…
METHOD FOR ADJUSTING PHASE RELATIONSHIP BETWEEN SIGNALS IN A MEASURING APPARATUS, AND A MEASURING APPARATUS
Granted: December 18, 2008
Application Number:
20080309388
A measuring apparatus having a frequency-swept heterodyne-type frequency converter equipped with a frequency-swept signal source and a multiplier includes means for detecting the timing of reference burst signals that have been subjected to frequency conversion by the frequency converter, with the frequency of the output signals of the frequency-swept signal source locked; means for generating periodic pulse signals; and means for adjusting the phase relationship between the pulse…
Controlling Sample Loading of a Specimen
Granted: December 11, 2008
Application Number:
20080302191
A sample loading device for loading and injecting a sample of a specimen is provided. The device comprises an injection channel having a sample injection spot, the injection channel adapted for feeding a fluid comprising a specimen. It further comprises an injector for injecting the specimen into the fluid along the injection channel and a separation device adapted for separating a sample from the specimen at the sample injection spot. Furthermore it comprises a control unit adapted for…
Automatic Placement of Measurement Gates
Granted: December 11, 2008
Application Number:
20080306703
A method and apparatus is provided for setting time positions of measurement gates on a signal under test. Signal transition data is calculated by a processor for multiple signal transitions. Measurement gate start and end positions are set relative to the multiple signal transitions based on the received signal transition data.
TIME OF FLIGHT MASS SPECTROMETRY METHOD AND APPARATUS
Granted: December 4, 2008
Application Number:
20080296490
A method and apparatus for performing time of flight mass spectrometry wherein the number of sums of transients taken for generating a given spectra is determined as a function of a characteristic of the incoming data for that spectrum. For instance, the number of transient measurements taken for a given spectrum output can be determined as a function of the abundance of ions in the sample or the abundance of ions corresponding to a base peak or another selected peak. In yet another…
MONITORING APPARATUS AND METHOD THEREFOR
Granted: December 4, 2008
Application Number:
20080301810
A monitoring apparatus for detection of a malicious attack in a communications network comprises a pattern matching engine (406), a data store (408) and an alert generator (410, 412). The pattern matching engine (406) is arranged to receive a bit stream and identify a characteristic of a malicious attack from at least one datagram represented by at least part of the bit stream. The data store (408) is operably coupled to the pattern matching engine and the data store (408) is arranged to…
HARDWARE IMPLEMENTATION OF SPACE-TIME BLOCK CODES
Granted: November 27, 2008
Application Number:
20080292019
The present invention is related to a circuit for encoding at least two input symbols by means of a space-time block code, comprising a plurality of multiplexers, each arranged to receive the input symbols and to output a selected symbol, storing means for storing information on which input symbol is to be selected in each multiplexer of the plurality of multiplexers and for storing gain factor information to multiply the multiplexer outputs with, calculation means, coupled with the…
Vacuum Divider for Differential Pumping of a Vacuum System
Granted: November 20, 2008
Application Number:
20080283125
A vacuum divider is positioned between rotor blades of a turbo-molecular pump and a vacuum manifold formed from multiple vacuum chambers. A first coupling aperture passes through the vacuum divider and allows gas to pass from a first of the multiple vacuum chambers to the turbo-molecular pump. A second coupling aperture passes through the vacuum divider and allows gas to pass from a second of the multiple vacuum chambers to the turbo-molecular pump.
REVERSED ENDCAPPING AND BONDING OF CHROMATOGRAPHIC STATIONARY PHASES USING HYDROSILANES
Granted: November 6, 2008
Application Number:
20080272043
A process for producing a chromatographic stationary phase for use in reversed-phase chromatography. Chromatographic stationary phases prepared according to the methods of the current invention and liquid chromatography columns, which include the stationary phases, are also provided.
Iconic Programming System with Disabling and Enabling of Dependent Objects
Granted: November 6, 2008
Application Number:
20080276187
An iconic network within a computer system is displayed on a display device. Portions of the iconic network within the computer system can be disabled. The computer system receives user input to disable a first graphical object. The computer system then identifies a second graphical object as dependent from the first graphical object and also disables this second graphical object. When the computer system receives user input the re-enable the first graphical object, the computer system…
Power Sensing Module with Built-In Mismatch and Correction
Granted: October 30, 2008
Application Number:
20080265911
A module determines the mismatch corrected power output of a generator. Loads within the module provide at least three different load values. At least one power sensor detects at least a portion of the power output by the generator for each of the load values. Input electrical paths transmit power from the generator to the loads. At least one output electrical path transmits signals from the at least one power sensor indicative of power received when the generator is electrically…
