Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 250/252.1
Name: Radiant energy > Calibration or standardization methods
Description: Subject matter which includes methods to establish a reference indication of invisible radiation or invisible radiation level, or methods of error determination or correction using a reference indication or radiation level.


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
RE37970 Pulse oximetry testing Jan. 28, 2003
6512232 Method and apparatus for improving the sensitivity of a gamma camera Jan. 28, 2003
6507018 Ditherless non-uniformity compensation for infrared detector arrays with recursive spatial low pass filtering Jan. 14, 2003
6502448 Chromatography detection system and method Jan. 7, 2003
6501974 Compensation of human variability in pulse oximetry Dec. 31, 2002
6498041 Optical sensors for rapid, sensitive detection and quantitation of bacterial spores Dec. 24, 2002
6498340 Method for calibrating mass spectrometers Dec. 24, 2002
6490336 Phantom for measuring slice thicknesses, slice sensitivity profiles and the axial modulation transfer function in an X-ray computed tomography apparatus Dec. 3, 2002
6476392 Method and apparatus for temperature compensation of an uncooled focal plane array Nov. 5, 2002
6471916 Apparatus and method for calibration of a microarray scanning system Oct. 29, 2002
6473205 Image sensor module adjustable in six degrees of freedom for use with an image acquisition device Oct. 29, 2002
6472659 Method for measuring ionic currents, and a catching device therefor Oct. 29, 2002
6467952 Virtual blackbody radiation system and radiation temperature measuring system Oct. 22, 2002
6459482 Grainless material for calibration sample Oct. 1, 2002
6452164 Apparatus and method for calibrating gamma cameras Sep. 17, 2002
6444983 Microbolometer focal plane array with controlled bias Sep. 3, 2002
6437325 System and method for calibrating time-of-flight mass spectra Aug. 20, 2002
6437345 Sensing unit provided with separated detection light guiding Aug. 20, 2002
6437347 Target locking system for electron beam lithography Aug. 20, 2002
6433333 Infrared sensor temperature compensated response and offset correction Aug. 13, 2002
6429425 Method for forming a calibation standard to adjust a micro-bar of an electron microscope Aug. 6, 2002
6426501 Defect-review SEM, reference sample for adjustment thereof, method for adjustment thereof, and method of inspecting contact holes Jul. 30, 2002
6420702 Non-charging critical dimension SEM metrology standard Jul. 16, 2002
6420703 Method for forming a critical dimension SEM calibration standard of improved definition and standard formed Jul. 16, 2002
6420700 Charged-particle-beam exposure device and charged-particle-beam exposure method Jul. 16, 2002
6414305 Automated system for determining minimum resolvable temperature differences Jul. 2, 2002
6410912 Method for reducing variations in arrays of micro-machined cantilever structures using ion implantation Jun. 25, 2002
6410919 Positron gun for pet attenuation measurements Jun. 25, 2002
6396056 Gas detectors and gas analyzers utilizing spectral absorption May. 28, 2002
6392239 Optical array converting UV radiation May. 21, 2002
6387709 Method of operating an optical sensor adapted for selective analyte-sensing contact with a plurality of samples May. 14, 2002
6388250 Personal radiation dosimeters May. 14, 2002
6388253 Integrated critical dimension control for semiconductor device manufacturing May. 14, 2002
6384408 Calibration of a scanning electron microscope May. 7, 2002
6377300 Compact flat-field calibration apparatus Apr. 23, 2002
6373050 Focal plane infrared readout circuit with automatic background suppression Apr. 16, 2002
6369381 Apparatus and method for calibration of nuclear gauges Apr. 9, 2002
6369386 IR sensor with reflective calibration Apr. 9, 2002
6362477 Bulk material analyser for on-conveyor belt analysis Mar. 26, 2002
6362471 Design of a calibration phantom for in vivo measurement of stable lead or radioactivity in bone Mar. 26, 2002
6362472 Method for calibrating a radiation detection system Mar. 26, 2002
6353223 Infrared camera Mar. 5, 2002
6350985 Method for calculating gain correction factors in a digital imaging system Feb. 26, 2002
6342698 Method for calibrating photomultiplier tubes in a scintillation camera Jan. 29, 2002
6342947 Optical power high accuracy standard enhancement (OPHASE) system Jan. 29, 2002
6337217 Method and apparatus for improved focus in optical processing Jan. 8, 2002
6329651 Process and device for real time sorting of detection events from a gamma ray detector and correction of the uniformity of detection elements from the detector Dec. 11, 2001
6322555 Method and apparatus for monitoring laser surgery Nov. 27, 2001
6320187 Magnification and rotation calibration patterns for particle beam projection system Nov. 20, 2001
6320661 Method for measuring transmittance of optical members for ultraviolent use, synthetic silica glass, and photolithography apparatus using the same Nov. 20, 2001

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18


 
 
  Recently Added Patents
Kit and method for detecting the ESM-1 protein
Molded spreader disk
Continuously variable transmission with cooling structure for speed-change control actuator
Method and device for blow-forming containers
Time correction device, timepiece having a time correction device, and time correction method
Remedies for ischemic disease
Secure personal content server
  Randomly Featured Patents
Mount bracket for a flag pole
High durability touch panel
Method of forming a circuit board with integral terminals
Stabilized fuel injection system
Process for preparing dimethylmonochlorosilane
Apparatus and method for ink jet recording
Charge coupled device package
Method for serial analysis of gene expression
Water pipes or bongs
Medical fluid injector having watchdog circuit