Current Measurement Circuit, Current Detection Circuit And Saturation Prevention And Recovery Circuit For Operational Amplifier
Granted: April 8, 2010
Application Number:
20100085034
A current measurement circuit includes: a constant-voltage loop circuit including an operational amplifier, and a first resistor for current detection connected to an output of the operational amplifier, the output of the operational amplifier being fed back to an inverting input terminal of the operational amplifier via the first resistor; a differential amplifier for current detection with an input of a voltage between both ends of the first resistor; and a saturation prevention and…
Apparatus and Method for Identifying Metalloproteins
Granted: April 8, 2010
Application Number:
20100084550
A device and a method for identifying metalloproteins are disclosed. The device includes a first separation device for separating sample molecules according to their retention times, a first ionization device for ionizing the separated molecules into molecular ions, a second separation device for separating the molecular ions by their size-to-charge ratio, a second ionization device for atomizing the molecular ions and creating atomic ions of interest, and a mass spectrometer for…
Inorganic/Organic Hybrid Totally Porous Metal Oxide Particles, Methods For Making Them And Separation Devices Using Them
Granted: March 4, 2010
Application Number:
20100055000
The present invention is a process for making an inorganic/organic hybrid totally porous spherical silica particles by self assembly of surfactants that serve as organic templates via pseudomorphic transformation.
Superficially Porous Metal Oxide Particles, Methods For Making Them, and Separation Devices Using Them
Granted: March 4, 2010
Application Number:
20100051877
Micelle-templated superficially porous particles having a solid core and an outer porous shell with ordered pore structures and a narrow particle size distribution, such as about ±5% (one sigma), and a high specific surface area of about 5 to about 1000 m2/g.
LATERAL OPENING FOR FLUID INTRODUCTION
Granted: February 25, 2010
Application Number:
20100044231
A microfluidic chip (10) comprises a substrate (20) having a main side (30) and a lateral side (40), and a microfluidic channel (50, 60) within the substrate and being adapted to transport a fluid. The microfluidic channel has a lateral opening to the lateral side of the substrate allowing to introduce fluid to the microfluidic channel.
VARIABLE ENERGY PHOTOIONIZATION DEVICE AND METHOD FOR MASS SPECTROMETRY
Granted: February 11, 2010
Application Number:
20100032559
A mass spectrometer using a variable energy photoionization device for ionizing and/or cleaving molecules is disclosed. The device permits ionizing photon wavelengths to be selected from a range of wavelengths allowing the ionizing photon energies to be tuned so as to ionize molecules without excessive fragmentation or to cleave molecules in a controlled manner by breaking only certain molecular bonds. Selection of the wavelengths is afforded by the choice of a plasma-forming gas…
TEMPERATURE ADJUSTMENT OF A FLUIDIC SAMPLE WITHIN A FLUIDIC DEVICE
Granted: January 14, 2010
Application Number:
20100005867
A temperature control unit (216) for a column (201) of a fluidic device (200) for analyzing a fluidic sample, wherein the fluidic device (200) is adapted to conduct the fluidic sample through the column (201), the temperature control unit (216) being arranged to adjust a temperature of the fluidic sample in a flow path between an inlet 5 (207) of the column (201) and an outlet (208) of the column (201) so that a temperature adjustment effect occurs selectively in an interior of the…
TRIGGERED SILICON CONTROLLED RECTIFIER FOR RF ESD PROTECTION
Granted: January 7, 2010
Application Number:
20100001283
An ESD protection circuit has a polysilicon bounded SCR connected between a signal input/output interface contact of the integrated circuit and a power supply connection of the integrated circuit and a biasing circuit. The biasing circuit is connected to the polysilicon bounded SCR to bias the polysilicon bounded SCR to turn on more rapidly during the ESD event. The biasing circuit is formed by at least one polysilicon bounded diode and a first resistance. Other embodiments of the…
Tracking Manufacturing Test Changes
Granted: January 7, 2010
Application Number:
20100005123
A process methodology and application for change control monitoring and identification used with a circuit board testing platform. This methodology uses “baselines” to track an approved collection of changes for testing a circuit board. An approver is an authorized user or a user that have permission to modify board-test parameters. Modifications of board-test parameters made by unauthorized persons are reported though a change notification system that can alert quality control…
System and Method to Integrate Measurement Information within an Electronic Laboratory Notebook Environment
Granted: December 17, 2009
Application Number:
20090313347
Capability to record relevant aggregated data via a test and measurement instrument interface through a software agent. The agent resides within the test and measurement instrument and gathers the information when activated. The information can be measurement data; measurement setup parameters; test system topology; user notes, brief descriptions, audio recordings or pen input; pictures; or attached documents. The agent can communicate directly to an electronic laboratory notebook server…
Polarization Controller with Minimum Wavelength Dependency
Granted: December 17, 2009
Application Number:
20090310207
The invention relates to converting a first light signal (L1) into a second light signal (L2) polarized according to a set of different states of polarization, whereby the set of different polarization states is represented by a corresponding set, of Stokes vectors in a Stokes space representation, and wherein the end points of the set of Stokes vectors span a geometric shape, wherein, in response to a desired geometric shape with an arbitrary orientation in the Stokes space, a setting…
Multi-Channel Audio Load Box With Selectable Loading
Granted: November 5, 2009
Application Number:
20090274311
An audio load box to test multiple audio channels using selectable loading for each channel. A resistive load is switched into the signal path of each audio channel before audio tests are conducted. The resistive load can be a single resistor or resistors in parallel. The multi-channel audio load box with selectable loading can provide greater flexibility, reliability and accuracy for tests, for example inter-channel phase measurements and crosstalk.
Dynamic Switch Contact Protection
Granted: November 5, 2009
Application Number:
20090274051
A dynamic switch contact protection circuit and technique to protect a channel switch within an electrical system by limiting transients when the switch is turned on or turned off. The protection circuit comprises switching between a high resistance path and a low resistance path. The high resistance path comprises a resistor. A bypass switch is connected in parallel to the resistor to affect the low resistance path. The protection circuit can connect or disconnect switch cards to the…
Plasma Ion Source Mass Spectrometer
Granted: October 29, 2009
Application Number:
20090266984
Provided is a plasma ion source mass spectrometer with an ion deflector lens having an improved removal ratio of photons and neutral particles as compared with the conventional art while an ion transmittance is maintained. The ion deflector includes an input side plate-like electrode, an output side plate-like electrode, and a tubular electrode disposed between the input side plate-like electrode and the output side plate-like electrode. The tubular electrode is of a point asymmetrical…
Switch Module for Semiconductor Characteristic Measurement and Measurement Method of Semiconductor Characteristics
Granted: October 29, 2009
Application Number:
20090267634
A switch module is disclosed for semiconductor characteristic measurement and a semiconductor characteristic measurement method is disclosed with which the impact of the recovery effect after stress signal elimination is reduced in BTI testing. The switch module for semiconductor characteristic measurement includes a first input terminal for receiving stress signals from a stress signal source, a second input terminal for receiving signals from a first non-stress signal source, a first…
High frequency circuit
Granted: October 29, 2009
Application Number:
20090267711
A circuit has a first coplanar line including a first strip conductor formed on the first plane of a dielectric substrate and a first grounded conductor formed on the first plane and disposed on one side of the first strip conductor, and a second coplanar line including a second strip conductor formed on a second plane of the dielectric substrate and a second grounded conductor formed on the second plane and disposed on one side of the second strip conductor, where the first strip…
CHANNELLESS FLUIDIC SAMPLE TRANSPORT MEDIUM
Granted: October 29, 2009
Application Number:
20090266713
A fluidic device (100) comprising a substrate (101) and a transport medium (103) provided on the substrate (101) to define a transport path for transporting a fluidic sample (104) driven by an electric force.
FLUIDIC CONDUIT WITH REPEATED DISTURBANCE OF LAMINAR FLOW
Granted: October 15, 2009
Application Number:
20090255601
A fluidic device, the fluidic device comprising a planar fluidic conduit for conducting a fluid, wherein the fluidic conduit has a plurality of fluidic disturbance features located along at least a section of the fluidic conduit for disturbing a laminar flow of the fluid along the section.
Reducing Noise In Atomic Force Microscopy Measurements
Granted: October 1, 2009
Application Number:
20090241648
Exchanging data between an Atomic Force Microscopy (AFM) measuring device and an external controlling device using a wireless link. The wireless link replaces cables leading to the AFM measuring device and thereby mitigates mechanical noise vibrations. The controlling device can be an AFM controller, a PC workstation, a keyboard or a pointing device. A power supply and cables to provide power to the measuring device can be replaced with a battery power source to further mitigate…
ANALYZER FOR SIGNAL ANOMALIES
Granted: October 1, 2009
Application Number:
20090248336
A signal analyzer includes a divergence detector for detecting periodic interference in a signal, an information detector for detecting a random event in the signal, and output circuitry for providing compensation for the periodic interference and the random event.
