AGILENT TECHNOLGIES, INC. Patent applications |
Patent application number | Title | Published |
20140070793 | ADJUSTABLE POWER SENSOR - A power sensor applies respective first and second currents having substantially equal magnitudes to a reference detector and a measurement detector that are thermally coupled to each other. The power sensor senses an input signal with the measurement detector, and it adjusts the respective magnitudes of the first and second currents by substantially equal amounts to correspondingly adjust a measurement characteristic of the measurement detector. | 03-13-2014 |
20110213497 | ROBOT ARM AND METHOD OF CONTROLLING ROBOT ARM TO AVOID COLLISIONS - A method of automatically controlling an extendable robot arm to avoid collisions while returning to a first position from a second position includes periodically storing locations of the robot arm as the robot arm moves along a forward path from the first position to the second position; applying heuristic algorithms to the stored locations to determine a return path to the first position, the return path including at least a portion of a retrace path retracing the stored locations of the forward path; and controlling the robot arm to return to the first position using the determined return path. | 09-01-2011 |
20110114549 | MICROFLUIDIC DEVICE COMPRISING SEPARATION COLUMNS - A microfluidic chip comprises a first substantially linear separation column having a first length, the first separation column comprising a first stationary phase particle density distribution along the first length; and a second substantially linear separation column having a second length connected in series with the first separation column, the second separation column comprising a second stationary phase particle density distribution along the second length. | 05-19-2011 |
20100244870 | DOPANT PROFILE MEASUREMENT MODULE, METHOD AND APPARATUS - An apparatus comprises: a first signal source; a dopant profile measurement module (DPPM) configured to receive a portion of the signal from the signal source; a probe tip connected to the reflective coupler; a load connected in parallel with the probe tip; and a second signal source connected to a load, wherein the signal source is configured to provide an amplitude-modulated (AM) signal to the probe tip. A method is also described. | 09-30-2010 |
20100244099 | Double heterojunction bipolar transistor having graded base region - A semiconductor device comprises: a heterojunction, comprises a first region comprising a first III-V semiconductor; a second region adjacent to the first region and comprising a second III-V semiconductor material, wherein the second III-V semiconductor material comprises a material of graded concentration over a width of the second region; and a third region adjacent to the second region and comprising a third III-V semiconductor material, wherein the graded concentration is selection to provide substantially no conduction band discontinuity at a junction of the second region and the third region, or to provide a type I semiconductor junction at the junction of the second region and the third region. | 09-30-2010 |
20100194444 | REDUCTION OF SPURIOUS FREQUENCY COMPONENTS IN DIRECT DIGITAL SYNTHESIS - In an embodiment, an apparatus, comprises a phase accumulator configured to provide an output comprising a truncated phase word representative of an instantaneous phase; a multiplexer configured to provide an output representative of a phase rotation, wherein the output representative of the phase rotation is randomly selected from a group of phase rotation representation outputs; an adder configured to receive the output from the phase accumulator and the output from the multiplexer, wherein the adder provides an output representative of the instantaneous phase rotated by the phase rotation; a lookup table configured to receive the output representative of the instantaneous phase and to provide an amplitude output; and a rotator configured to receive the amplitude output and substantially to cancel the phase rotation. Other embodiments do not comprise a rotator. A method is also described. | 08-05-2010 |
20100134309 | METHOD AND SYSTEM FOR LOCATING SIGNAL EMITTERS USING CROSS-CORRELATION OF RECEIVED SIGNAL STRENGTHS - A method and system for determining a location of a first device that emits a signal: provide at least three sensors separated and spaced apart from each other; at each of the sensors, receive the signal emitted by the first device; determine the received signals for each of the sensors; determine cross-correlations of the received signals for pairs of the sensors; and determine the location of the first device from the magnitudes of the cross-correlations of the received signals. | 06-03-2010 |
20100051798 | SYSTEMS AND METHODS FOR DECREASING SETTLING TIMES IN MS/MS - Systems and methods are provided for optimizing the performance of a mass spectrometer system when multiple measurements are made. For example, the total settling time of different components or stages of a mass spectrometer, such as a tandem mass spectrometer, are decreased by optimally ordering the measurements. | 03-04-2010 |