In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8022353 | Seed counting and frequency measurement apparatus and method An improved device for measuring the count and frequency of seeds in a stream of seeds is described. The device is useful for measuring the frequency and accuracy of seed planting devices. A seed counting system can include an imaging region, an image sensing device... | 09/20/2011 |
| 7663092 | Method and apparatus for phase contrast quadrature interferometric detection of an immunoassay A phase contrast quadrature interferometric method and apparatus for determining the presence or absence of a target analyte in a sample. The method includes probing a substrate exposed to the sample with a laser beam. The substrate includes a reflecting surface wit... | 02/16/2010 |
| 7612325 | Electrical sensor for monitoring degradation of products from environmental stressors An environmental degradation sensor for environmentally sensitive products such as food, pharmaceuticals or cosmetic products provides the degraded state and estimated remaining life of the product. The sensor is made of a polymeric matrix and conductive filler. A c... | 11/03/2009 |
| 7564023 | Sorting apparatus and methods There is provided sorting apparatus wherein a particulate product stream (25) passes a concentrator (26) to feed product onto a conical dispersion plate (27) which delivers the product evenly in an annular mono-layer to a collimator comprising i... | 07/21/2009 |
| 7372559 | Systems and methods for inspecting a wafer with increased sensitivity Systems and methods for inspecting a wafer with increased sensitivity are provided. One system includes an inspection subsystem configured to direct light to a spot on the wafer and to generate output signals responsive to light scattered from the spot on the wafer.... | 05/13/2008 |
| 7361922 | Differential absorption lidar apparatus having multiplexed light signals with two wavelengths in a predetermined beam size and beam shape A differential absorption lidar includes: a light signal generation unit for generating first, second CW light signals with first, second wavelengths having different absorption coefficients with respect to a target, a light intensity modulation unit for subjecting ... | 04/22/2008 |
| 7347369 | Counting process and device for planar substrates A process includes the steps of loosening a pack of piled substrates, taking a first image of the piled planar substrates, the image being made of a two-dimensional array of single image detectors arranged in lines and columns, counting the number of edges of substr... | 03/25/2008 |
| 7342228 | Method and apparatus for measurement of aerosols and imaging A lightweight, low-cost, and highly sensitive aerosol sensor measures aerosol concentrations remotely. A fiber laser sends pulses outward toward the target area from a carbon-fiber telescope using ultra-lightweight optical elements. Light is received back in the sam... | 03/11/2008 |
| 7326625 | Trench structure having a void and inductor including the trench structure In a method of forming a trench structure having a wide void therein, a first trench having a first width and a first depth is formed in a substrate. The first trench is filled with a first insulation layer pattern defining the void in the first trench. A second tre... | 02/05/2008 |
| 7294837 | Tablets press with integral NIR measuring device The tablets press according to the invention comprises an integral measuring device for the determination of the quantitative content of at least one substance in a tablet, comprising: at least one radiation source, which emits radiation in the near infrared range, ... | 11/13/2007 |
| 7278290 | Projectile impact energy and location measurement system A projectile impact energy and location measurement system is taught employing a target apparatus having an impact plate of a solid durable substance such as steel or titanium. Disposed over the plate is a layer of elastoluminescent material composed of zinc sulfide... | 10/09/2007 |
| 7276380 | Transparent liquid inspection apparatus, transparent liquid inspection method, and transparent liquid application method The present invention provides a transparent liquid inspection apparatus capable of identifying a boundary between a transparent liquid applied on a base material which provides a multi-piece product and the base material, and automatically inspecting an applied con... | 10/02/2007 |
| 7276685 | Optical system with photo catalytic reactor and incident beam splitter An optical system (10) operatively associated with incident light (50) is provided. The incident light is essentially comprised of a first part (52) and a second part (54). The optical system includes: a photo catalytic reactor (30... | 10/02/2007 |
| 7265832 | Optical flow meter for measuring gases and liquids in pipelines An optical system design for measuring the velocity of fluids flowing through pipes or other conduits is disclosed. The optical system is comprised of a means for delivering two beams through a window in the wall of the pipe, focused to two points aligned along an a... | 09/04/2007 |
| 7265501 | Mobile light A mobile light is disclosed that produces a high level of illumination without glare using the DC power of a vehicle's battery and charging system. The mobile light uses a high-intensity discharge lamp with a control circuit that initially ignites the lamp using a v... | 09/04/2007 |
| 7234818 | Dust detection device for air filter and projector utilizing the same A projector and a dust detection device for an air filter thereof. The projector comprises a lamp, a fan, an filter, and a dust detection device. The lamp comprises a housing with an inlet and an exit. The fan is disposed in front of the inlet of the housing, and ge... | 06/26/2007 |
| 7233383 | Exposure apparatus, device manufacturing method, pattern generator and maintenance method to check for pixel deterioration An exposure apparatus for exposing a predetermined pattern onto an object via a projection optical system includes a pattern generating unit that includes plural pixels, and generates the predetermined pattern by driving the plural pixels, a measuring unit for measu... | 06/19/2007 |
| 7233606 | Miniature pulsed fiber laser source A pulsed fiber laser and associated electronics contained in a miniature package is disclosed. The Pulsed Fiber Laser Source (PFLS) can be a single-stage high gain master oscillator power amplifier (MOPA) type fiber laser source. The PFLS can include a distributed f... | 06/19/2007 |
| 7227688 | Apparatus for applying optical gradient forces An apparatus and method for manipulating small dielectric particles. The apparatus and method involves use of a diffractive optical element which receives a laser beam and forms a plurality of light beams. These light beams are operated on by a telescope lens system... | 06/05/2007 |
| 7224762 | Counting device A counting device that can be employed in calculating the number of objects, such as cigarette packs. In particular, the counting device can include a handle portion and a counting portion. The handle portion includes a display for showing the number of objects coun... | 05/29/2007 |
| 7211787 | Particle movement device This invention relates to a process for moving a particle using a device comprising a substrate (4), a wave guide (2) and a grating (6) formed on the wave guide, in which: light with wavelength λ is injected i... | 05/01/2007 |
| 7175715 | Method and device for determining the deposits of components from a liquid on surfaces, in particular liquid pumping machines The invention relates to a method and device for determining the deposits of components from a liquid on surfaces, in particular in liquid pumping machines, comprising at least one body upon the surface of which said deposits occur, which affect the properties of an... | 02/13/2007 |
| 7162896 | Apparatus for checking the formation of scale, and water-carrying appliance An apparatus allows monitoring the formation of scale. The apparatus makes it possible to determine the degree of water hardness or a tendency of the degree of water hardness to change over time and to take measures for adjusting the desired degree of water hardness... | 01/16/2007 |
| 7141783 | Apparatus for focusing particle beam using radiation pressure The present invention relates to an apparatus for focusing particle beams using a radiation pressure capable of obtaining the same flow amount and a narrower particle beam width with respect to the particle size and a higher numeral density. It is possible to form t... | 11/28/2006 |
| 7127356 | Sensors and methods for high-sensitivity optical particle counting and sizing A single-particle optical sensor, which has high sensitivity and responds to relatively concentrated suspensions, uses a relatively narrow light beam to illuminate an optical sensing zone nonuniformly. The zone is smaller than the flow channel so that the sensor res... | 10/24/2006 |
| 7115893 | Chemical agent sensor having a stationary linear fringe interferometer A sensor having an input to an interferometer. The input may receive emissions from a detected fluid. The output of the interferometer may be focused on an array of light detectors. Electrical signals from the detectors may go to a processor. The output of the proce... | 10/03/2006 |
| 7098618 | Rain detection system and method of controlling the same A rain detection system generates an operation signal for operating a wiper system on a window based on a detected window condition. The rain detection system includes a detection mechanism for intermittently detecting an amount of liquid on the window, a calculatio... | 08/29/2006 |
| 7095763 | Semiconductor wafer carrier mapping sensor An improved laser-based wafer carrier mapping sensor is provided. The sensor includes a number of improvements including laser source improvements; optical improvements; and detector improvements. Laser source improvements include the type of laser sources used as w... | 08/22/2006 |
| 7091509 | Method for determining at least one energetic property of a gas fuel mixture by measuring physical properties of the gas mixture The present invention relates to a method of determining at least one energy property of a gaseous mixture which consists in: 1. measuring, on said gaseous mixture, n physical properties φi at a temperature T and/or one physical property φ | 08/15/2006 |
| 7087885 | Particle size distribution measuring apparatus and method The present invention provides an apparatus for measuring particle distribution for determining particle size distribution with higher precision by compensating for a reduction in scattering light due to the color of a sample and due to the particle size characteriz... | 08/08/2006 |
| 7069961 | Inflatable fabrics comprising basket-woven attachment points between fabric panels All-woven inflatable fabrics having areas of two layers and attachment points or “seams” where single layers of fabric are formed. Such single fabric layers may be constructed solely through the utilization of basket weave patterns. These specific single fabric ... | 07/04/2006 |
| 7064827 | Optical tracking and detection of particles by solid state energy sources A particle detector has a chamber defining a pathway that a target particle follows between an entry and an exit point, a solid-state energy source such as an LED, and a re-emission sensor. The energy source imparts energy to the particle between the two points, and... | 06/20/2006 |
| 7053783 | Pathogen detector system and method A pathogen detector has a sample area for containing environmental air, a light source on one side of the sample area for directing a collimated beam of light through the sample air so that part of the light beam will be scattered by any particles present in the air... | 05/30/2006 |
| 7038189 | Optoelectronic dust sensor and air conditioning equipment in which such optoelectronic dust sensor is installed At an optoelectronic dust sensor, opening(s) is/are formed at front panel(s) of main body housing(s), and passage hole(s) is/are formed at back panel(s) of main body housing(s). Provided between such back panel passage hole(s) and front panel opening(s) is/are dust ... | 05/02/2006 |
| 7034325 | Device for measuring gas concentration having dual emitter A device for measuring the concentration of a gas contained in a cavity and for checking the operation of a catalytic element in an exhaust line in an automobile vehicle. A first emitter (E1) composed of an optical pumped micro-cavity and for which the emissi... | 04/25/2006 |
| 7009169 | Method for measuring particle size distribution of a population of particles The present invention provides for measuring a particle size distribution of a population of particles using a light scattering particle sizing instrument having a plurality of selectable imaginary component values of the refractive index. The particles each having ... | 03/07/2006 |
| 7005629 | System for stereo-view based detection of features of articles An optical system having a light source means and a detector means for detecting one or more articles which by means of a conveyor move or are temporarily stationary under the means, where said article(s) has/have at least one reflective portion, and where light is ... | 02/28/2006 |
| 7002684 | Particle size distribution measuring method, device, and program for compensating for particle concentration The present invention provides a particle diameter distribution measuring method, a particle diameter distribution measuring device, and a measuring program which decreases the dependence of the calculation of particle diameter distribution on sample concentration, ... | 02/21/2006 |
| 6995351 | Multiple optical vortices for manipulating particles A method for creating large numbers of high-quality optical traps in arbitrary three-dimensional configurations and dynamically reconfiguring the traps under computer control. The method uses computer-generated diffractive optical elements to convert one or more opt... | 02/07/2006 |
| 6972424 | High detection rate particle identifier An improvement is described for use in a system that identifies particles in a fluid such as water by passing the fluid through a passage in a transparent carrier and detecting light from a laser beam that is scattered by particles, followed by comparing the scatter... | 12/06/2005 |