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Class 324/674 - By frequency signal response, change or processing circuit


Subclass of Class 324 - Electricity: measuring and testing
Definition: Subject matter including circuit means to determine or alter
No. of patents: 114
Last issue date: 05/08/2012


1      
NumberTitleIssue Date
8174272Analysis of a material with capacitive technology
Several apparatuses and a method for enabling of analysis of a material based on capacitive technology are disclosed. In an embodiment, the apparatus includes a first conductive surface. A second conductive surface is located substantially parallel to the first cond...
05/08/2012
8058883Method and apparatus for detecting capacitance using a plurality of time division frequencies
Disclosed herein is a method for detecting capacitance including: allowing an oscillator to output a plurality of time division oscillation frequencies according to the capacitance detected by a capacitance detection plate; counting the plurality of time division os...
11/15/2011
7372056LPP EUV plasma source material target delivery system
An EUV light generation system and method is disclosed that may comprise a droplet generator producing plasma source material target droplets traveling toward the vicinity of a plasma source material target irradiation site; a drive laser; a drive laser focusing opt...
05/13/2008
7368741Extreme ultraviolet light source
The present invention provides a reliable, high-repetition rate, production line compatible high energy photon source. A very hot plasma containing an active material is produced in vacuum chamber. The active material is an atomic element having an emission line wit...
05/06/2008
7365351Systems for protecting internal components of a EUV light source from plasma-generated debris
Systems and methods are disclosed for protecting an EUV light source plasma production chamber optical element surface from debris generated by plasma formation. In one aspect of an embodiment of the present invention, a shield is disclosed which comprises at least ...
04/29/2008
7361918High repetition rate laser produced plasma EUV light source
An EUV light source apparatus and method are disclosed, which may comprise a pulsed laser providing laser pulses at a selected pulse repetition rate focused at a desired target ignition site; a target formation system providing discrete targets at a selected interva...
04/22/2008
7355191Systems and methods for cleaning a chamber window of an EUV light source
Systems and methods are disclosed for cleaning a chamber window of an extreme ultraviolet (EUV) light source. The window may have an inside surface facing a chamber interior and an opposed outside surface and the light source may generate debris by plasma formation....
04/08/2008
7343274Sensor and method for detecting electric contact degradation
A probe cell monitors conditions within electrical power transmission and switchgear apparatus to detect degradation of stressed components. The probe cell is a hardware simulation of components of a specific unit of electrical power apparatus, including electrodes ...
03/11/2008
7323703EUV light source
An apparatus and method is described which may comprise a plasma produced extreme ultraviolet (“EUV”) light source multilayer collector which may comprise a plasma formation chamber; a shell within the plasma formation chamber in the form of a collector shape ha...
01/29/2008
7319301Differential anti-pinch capacitive sensor
A proximity sensor for sensing an object in the path of or proximate to a closure panel such as a vehicle window. First and second electrodes encased in a non-conductive casing are mounted on the metallic structure near the closing edge of the aperture. The two elec...
01/15/2008
7317318FEXT cancellation of mated RJ45 interconnect
A network test instrument provides maximum compensation of FEXT by use of mutual inductance between one or more signals. The inductance is suitably formed as a PCB trace component, or as discrete components. ...
01/08/2008
7317196LPP EUV light source
An apparatus and method is described for effectively and efficiently providing plasma irradiation laser light pulses in an LPP EUV light source which may comprise a laser initial target irradiation pulse generating mechanism irradiating a plasma initiation target wi...
01/08/2008
7291853Discharge produced plasma EUV light source
An DPP EUV source is disclosed which may comprise a debris mitigation apparatus employing a metal halogen gas producing a metal halide from debris exiting the plasma. The EUV source may have a debris shield that may comprise a plurality of curvilinear shield members...
11/06/2007
7247870Systems for protecting internal components of an EUV light source from plasma-generated debris
Systems and methods are disclosed for protecting an EUV light source plasma production chamber optical element surface from debris generated by plasma formation. In one aspect of an embodiment of the present invention, a shield is disclosed which comprises at least ...
07/24/2007
7245985Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds
A process for curing a natural or synthetic rubber compound under a plurality of curing conditions by: (1) obtaining time dependent data streams of dielectric or impedance values from a non-bridged impedance sensing circuit and a capacitor having the rubber compound...
07/17/2007
7217940Collector for EUV light source
A method and apparatus for debris removal from a reflecting surface of an EUV collector in an EUV light source is disclosed which may comprise the reflecting surface comprises a first material and the debris comprises a second material and/or compounds of the second...
05/15/2007
7217941Systems and methods for deflecting plasma-generated ions to prevent the ions from reaching an internal component of an EUV light source
A system is disclosed for protecting an internal EUV light source component from ions generated at a plasma formation site. In one aspect, the system may comprise a plurality of foil plates and an arrangement for generating a magnetic field to deflect ions into one ...
05/15/2007
7202674Integrated non-contact/contact capacitance sensor
A capacitance sensor of the present invention is equipped with a sensor unit that comprises a pair of detection electrodes, which are connected to respective reference capacitors, are provided with being oppositely separated, and can contact each other; and an insul...
04/10/2007
7196342Systems and methods for reducing the influence of plasma-generated debris on the internal components of an EUV light source
Systems and methods are disclosed for reducing the influence of plasma generated debris on internal components of an EUV light source. In one aspect, an EUV meteorology monitor is provided which may have a heater to heat an internal multi-layer filtering mirror to a...
03/27/2007
7193228EUV light source optical elements
Apparatus and methods are disclosed for forming plasma generated EUV light source optical elements, e.g., reflectors comprising MLM stacks employing various binary layer materials and capping layer(s) including single and binary capping layers for utilization in pla...
03/20/2007
7191044Judgment lock for occupant detection air bag control
Systems and methods for controlling the sensing of an occupant in a seating area are provided. The occupant is characterized as one of an adult, child or other category. One characterization change parameter, such as a hysteresis time period or thresholds for charac...
03/13/2007
7180081Discharge produced plasma EUV light source
An DPP EUV source is disclosed which may comprise a debris mitigation apparatus employing a metal halogen gas producing a metal halide from debris exiting the plasma. The EUV source may have a debris shield that may comprise a plurality of curvilinear shield members...
02/20/2007
7172340X-ray imaging apparatus and method for moving X-ray detector
An X-ray imaging apparatus includes an X-ray irradiating unit configured to irradiate an X-ray to an object, an X-ray detecting unit configured to detect the irradiated X-ray, an image creating unit configured to create X-ray image data based on data detected by the...
02/06/2007
7170303Fuel sensor
A sensor (20) includes a single capacitor (30) that operates in two different modes to obtain capacitance and conductance information when a mixture flows between the electrodes (32, 34) of the capacitor. Two different oscillators (180, 182
01/30/2007
7164144EUV light source
A laser produced plasma (“LPP”) extreme ultraviolet (“EUV”) light source control system comprises a target delivery system adapted to deliver moving plasma initiation targets and an EUV light collection optic having a focus defining a desired plasma initiati...
01/16/2007
7162342Electronic control unit and passenger detection apparatus for vehicle
In a passenger detection apparatus for a vehicle, a microcomputer conducts a timer counting operation using a sub-clock signal fed from an CR oscillation circuit in a stand-by state and carries out a zero-point correction on a load sensor in an activated state. In a...
01/09/2007
7141988Capacitive position sensor and sensing methodology
A simple and robust variable coaxial capacitive sensor and detection method for monitoring the position of a rapidly reciprocating member such as a piston or displacer in a free piston Stirling engine. The coaxial capacitor of the present invention in a preferred em...
11/28/2006
7122816Method and apparatus for EUV light source target material handling
An EUV light source plasma source material handling system and method is disclosed which may comprise a droplet generator having a droplet generator plasma source material reservoir in fluid communication with a droplet formation capillary and maintained within a se...
10/17/2006
7116117Capacitive sensor
A capacitive sensor includes: a first sensing electrode connected to a first reference capacitor in which is stored reference electric charge; a second sensing electrode connected to a second reference capacitor in which is stored reference electric charge; and a sh...
10/03/2006
7114399Shaped non-contact capacitive displacement sensors for measuring shaped targets
An improved non-contact capacitive displacement sensor that may be employed for accurately measuring small distances between the sensor and shaped targets. The non-contact capacitive displacement sensor includes a probe having a sensor element and a guard element. T...
10/03/2006
7109503Systems for protecting internal components of an EUV light source from plasma-generated debris
Systems and methods are disclosed for protecting an EUV light source plasma production chamber optical element surface from debris generated by plasma formation. In one aspect of an embodiment of the present invention, a shield is disclosed which comprises at least ...
09/19/2006
7098674Occupant sensor
An oscillatory or pulsed first signal is operatively coupled to a first electrode placed between a conductive heating element and a seating region of a seat containing the heating element. A second signal substantially equal to the first signal is operatively couple...
08/29/2006
7091727Method and IC for detecting capacitance variation
A method and an integrated circuit for detecting capacitance variation includes the steps of: generating a detection frequency for capacitance variation and a detection frequency which lags the detection frequency by k times, wherein the detection frequencies are ba...
08/15/2006
7092257Bendable low voltage contact rail for track lighting systems
A lighting track apparatus includes elongated colored tubes which are easily bent into stable curved shapes to custom shape and fit sections of the apparatus into a track lighting system. Plural elongated electrical conductors are mechanically flexible and able to s...
08/15/2006
7087914High repetition rate laser produced plasma EUV light source
An EUV light source apparatus and method are disclosed, which may comprise a pulsed laser providing laser pulses at a selected pulse repetition rate focused at a desired target ignition site; a target formation system providing discrete targets at a selected interva...
08/08/2006
7088758Relax gas discharge laser lithography light source
An apparatus and method are disclosed for operating a narrow band short pulse duration gas discharge laser output light pulse beam producing system, producing a beam comprising laser output light pulses at a selected pulse repetition rate, which may comprise: a disp...
08/08/2006
7084643Capacitive sensor for non-contacting gap and dielectric medium measurement
A non-contact capacitive sensor including: a sensor plate configured to be displaced from a surface and to measure a capacitance of a gap between the surface and sensor plate; an active shield plate over the sensor plate and insulated from said sensor plate, wherein...
08/01/2006
7043398Method for operating a position measuring device
A system for determining a signal running time between a position measuring system and an evaluation unit. The system includes a position measuring system that has a graduation connected to a moving element, a scanning unit that scans the graduation, wherein scannin...
05/09/2006
7042230Multi-parameter sensing system
Systems and methodologies that provide for multi-parameter sensing via micro fabricated sensing structures operatively connected to oscillators, each micro-fabricated sensing structure in part defines a frequency of a respective associated oscillator. Output from su...
05/09/2006
6982560Method and system for determining cross-talk effects
According to an aspect of the invention, a method for determining near-end cross-talk effects is provided. A periodic test signal having a frequency increasing in predetermined steps is input into a conductor of a transmission cable. A raw cross-talk signal is recei...
01/03/2006
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