Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 7777878 | Application of digital light processor in scanning spectrometer and imaging ellipsometer and the like systems Application of digital light processor (DLP) systems in monochromator, spectrophotometer or the like systems to mediate selection of individual wavelengths, and/or to image elected regions of a sample in an imaging ellipsometer, imaging polarimeter, imaging reflecto... | 08/17/2010 |
| 7652765 | Hyper-spectral imaging methods and devices A hyper-spectral imaging system comprises imaging foreoptics (1020) to focus on a scene or object of interest (1010) and transfer the image of said scene or object (1010) onto the focal plane of a spatial light modulator (1030), a spatial... | 01/26/2010 |
| 7440098 | Spectroscope and method of performing spectroscopy utilizing a micro mirror array A spectroscope designed to utilize an adaptive optical element such as a micro mirror array (MMA) and two distinct light channels and detectors. The devices can provide for real-time and near real-time scaling and normalization of signals. ... | 10/21/2008 |
| 7430044 | Encoder spectrograph with optimized diffraction grating An encoder spectrograph is used to analyze radiation from one or more samples in various configurations. The radiation is analyzed by spatially modulating the radiation after it has been dispersed by wavelength or imaged along a line. Dual encoder spectrographs may ... | 09/30/2008 |
| 7426028 | Spectroscopic feedback for high density data storage and micromachining Optical breakdown by predetermined laser pulses in transparent dielectrics produces an ionized region of dense plasma confined within the bulk of the material. Such an ionized region is responsible for broadband radiation that accompanies a desired breakdown process... | 09/16/2008 |
| 7423748 | Encoder spectrograph and modulator for use therewith An encoder spectrograph is used to analyze radiation from one or more samples in various configurations. The radiation is analyzed by spatially modulating the radiation after it has been dispersed by wavelength or imaged along a line. Dual encoder spectrographs may ... | 09/09/2008 |
| 7420673 | Spatial radiation modulator pattern generation A method of generating a design pattern for a spatial radiation modulator to encode two or more selected spectral components in one or more spectral ranges for the chemometric analysis of a group of analytes. The method includes obtaining a corresponding spectrum fo... | 09/02/2008 |
| 7405825 | Optical analysis system The optical analysis system (20) for determining an amplitude of a principal component of an optical signal comprises a multivariate optical element (10) for reflecting the optical signal and thereby weighing the optical signal by a spectral weighing f... | 07/29/2008 |
| 7369773 | Methods and systems for polarization control and polarization mode dispersion compensation for wideband optical signals An optical processing method includes: receiving an optical signal from an optical system, wherein the optical signal is distorted by frequency-dependent polarization effects in the optical system; spatially dispersing frequency components of the distorted optical s... | 05/06/2008 |
| 7357741 | Belt looping A high output light source, such as a stage lighting luminaire, produces light along a path. The belt which drives a driven device is kept away from that path by passing it around the opposite side of the pulley. ... | 04/15/2008 |
| 7352373 | Systems and methods for multi-dimensional dither structure creation and application Embodiments of the present invention comprise systems and methods for creation, modification and implementation of dither pattern structures. ... | 04/01/2008 |
| 7350123 | Test apparatus, correction value managing method, and computer program A test apparatus includes a test module including a correcting unit for correcting the timing at which the test signal is to be supplied to the device under test or a voltage level of the test signal to the device under test, a correction value holding unit for hold... | 03/25/2008 |
| 7336353 | Coding and modulation for hyperspectral imaging Embodiments of the present invention relate to systems and methods for spectral imaging. In one embodiment, an image of the scene is formed on a coded aperture of a spectrometer. A coded image from the coded aperture is detected on a two-dimensional detector array o... | 02/26/2008 |
| 7330265 | Appearance inspection apparatus and projection method for projecting image of sample under inspection An object of the present invention is to provide an appearance inspection apparatus that can change the method of illumination, the shape of illumination light, and a spatial filter for the projection of an image of a sample dynamically during inspection, and also t... | 02/12/2008 |
| 7323085 | Basis weight of the liner in a fibrous web A method for determining the basis weight of a first ply of a fibrous web, which covers a second ply of the fibrous web including the steps of positioning an electromagnetic transmitter and an electromagnetic receiver, radiating the fibrous web, receiving a measurin... | 01/29/2008 |
| 7304735 | Broadband wavelength selective filter An optical filter for the selective attenuation of specific wavelengths of light includes at least one spectrally dispersive element, such as a diffraction grating or prism, in combination with an optical filter. A dispersive element separates broadband light into a... | 12/04/2007 |
| 7301625 | Static two-dimensional aperture coding for multimodal multiplex spectroscopy A class of aperture coded spectrometer is optimized for the spectral characterization of diffuse sources. The instrument achieves high throughput and high spatial resolution by replacing the slit of conventional dispersive spectrometers with a spatial filter or mask... | 11/27/2007 |
| 7295748 | Variable optical attenuator with wavelength dependent loss compensation The invention relates to compensating for the wavelength dependent loss (WDL) in a variable optical attenuator (VOA) system by using a chromatic dispersion wedge, which is inserted between the mirror and the lens. Different wavelength components, e.g. shorter blue a... | 11/13/2007 |
| 7289209 | Programmable spectral imaging system An imaging system having a programmable spectral transmission function, that includes an input image plane for passing input imaging light into the imaging system; a dispersive optical system for separating the input imaging light into its corresponding spectral com... | 10/30/2007 |
| 7286233 | Spectrophotometer with micro-filters A spectrophotometer comprises selection means for selecting one or more of the components of a light beam corresponding to different wavelengths, formed by optical micro-filters. ... | 10/23/2007 |
| 7286764 | Reconfigurable modulator-based optical add-and-drop multiplexer An optical add and drop multiplexer system comprising a first module for providing a first signal; a second module for providing a second signal; and a modulator for receiving a channel of the first signal at a first location, the first location configured to actuat... | 10/23/2007 |
| 7283231 | Compressive sampling and signal inference A transmission mask or cooled aperture is used in spectroscopy to compressively sample an optical signal. The locations of transmissive and opaque elements of the mask are determined by a transmission function. The optical signal transmitted by the mask is detected ... | 10/16/2007 |
| 7283241 | Method and apparatus for a microscope image selector The disclosure generally relates to a multimode imaging apparatus for simultaneously obtaining multiple wavelength-discriminative spectral images of a sample. In one embodiment, the apparatus includes an image selector having a rotator assembly, the rotator assembly... | 10/16/2007 |
| 7265830 | Fourier Transform spectrometer apparatus using multi-element MEMS A Fourier Transform (FT) spectrometer apparatus uses multi-element MEMS (Micro-Electro-Mechanical-Systems) or D-MEMS (Diffractive Micro-Electro-Mechanical-Systems) devices. A polychromatic light source is first diffracted or refracted by a dispersive component such ... | 09/04/2007 |
| 7263253 | Optimized reconfigurable optical add-drop multiplexer architecture with MEMS-based attenuation or power management A wavelength selective switch architecture for ROADMs for switching the spectral channels of a multi-channel, multi-wavelength optical signal between input and output ports employs a biaxial MEMS port mirror array for optimal coupling efficiency and ITU grid alignme... | 08/28/2007 |
| 7262846 | Encoder spectrograph for analyzing radiation using spatial modulation of radiation dispersed by wavelength An encoder spectrograph is used to analyze radiation from one or more samples in various configurations. The radiation is analyzed by spatially modulating the radiation after it has been dispersed by wavelength or imaged along a line. Dual encoder spectrographs may ... | 08/28/2007 |
| 7258456 | Light filtering apparatus A light filtering apparatus includes a first dispersion device, a spatial filter and a second dispersion device. The first dispersion device is arranged to cause spatial dispersion of an incident light beam as a function of its frequency. The spatial filter is arran... | 08/21/2007 |
| 7256890 | Spectroscope and microspectroscope equipped therewith A spectroscope capable of suppressing the dimension and the cost with avoiding a problem caused by polarization dependency of the diffraction grating. The spectroscope includes a polarizing beam splitter plate 3 that divides the light from an input fiber 1... | 08/14/2007 |
| 7248358 | Devices and method for spectral measurements A spectral measurement device comprising an entrance aperture for receiving an electromagnetic energy and a mask located at the entrance aperture in the form of a two-dimensional encodement pattern. An optical element conditions the electromagnetic energy received f... | 07/24/2007 |
| 7242478 | Spatially corrected full-cubed hyperspectral imager A hyperspectral imager that achieves accurate spectral and spatial resolution by using a micro-lens array as a series of field lenses, with each lens distributing a point in the image scene received through an objective lens across an area of a detector array formin... | 07/10/2007 |
| 7218435 | Reconfigurable spatial light modulators This invention relates to reconfigurable spatial light modulators (SLM) incorporating a scatter plate. Computer generated diffraction patterns or holograms may be loaded on the (SLM) either as a single frame or as a series of frames for observation by an observer. I... | 05/15/2007 |
| 7196789 | Light processor providing wavelength control and method for same A light processor (such as a spectrometer) providing wavelength equalization for a sample pathway and a reference pathway by actuation of a light amplitude modulator. A chemometric processor including a light amplitude modulator capable of performing chemical analys... | 03/27/2007 |
| 7190451 | Detection device A detection device includes a spectral splitting device located in a detection beam path for spectrally splitting detection light into individual spectral components. A deflection device is located downstream of the spectral splitting device for deflecting the indiv... | 03/13/2007 |
| 7180588 | Devices and method for spectral measurements A spectral measurement device comprising an entrance aperture for receiving an electromagnetic energy and a mask located at the entrance aperture in the form of a two-dimensional encodement pattern. An optical element conditions the electromagnetic energy received f... | 02/20/2007 |
| 7177496 | Optical spectral power monitors employing time-division-multiplexing detection schemes The present invention provides a method and apparatus for optical spectral power monitoring that employ a time-division-multiplexed detection scheme. The optical spectral power monitoring apparatus of the present invention uses a wavelength-dispersing means such as ... | 02/13/2007 |
| 7177081 | High contrast grating light valve type device A grating light valve has with a plurality of spaced reflective ribbons are spatially arranged over a substrate with reflective surfaces. The grating light valve is configured to optimized the conditions for constructive and destructive interference with an incident... | 02/13/2007 |
| 7177027 | Autonomous ultra-short optical pulse compression, phase compensating and waveform shaping device Disclosed is an apparatus for autonomously compressing, phase-compensating and waveform-shaping an ultrashort light pulse that is fast and high in sensitivity in compensating for phase fluctuations and allows the use of a usual laser light source that is low in ligh... | 02/13/2007 |
| 7161673 | Spectrometer comprising active matrix optics The invention relates to a spectrometer (1) comprising a dispersive element of a light beam formed of a set of spectral components, the dispersive element generating spatial dispersion of the spectral components in the form of a dispersion spectrum (6)... | 01/09/2007 |
| 7154102 | System and methods for detection and identification of chemical substances The invention provides a system and method utilizing, among other things, fluorescence spectroscopy in the ultraviolet portion of the electromagnetic spectrum to determine chemical species and concentrations. The basic measuring system includes optics, a spectrograp... | 12/26/2006 |
| 7151601 | Apparatus and methods relating to wavelength conditioning of illumination Lighting systems comprising a spectrum former upstream from a reflective pixelated spatial light modulator (reflective SLM), the SLM reflecting substantially all of the light in the spectrum into at least two different light paths, that do not reflect back to the li... | 12/19/2006 |
