Quotables
"For a list of all the ways technology has failed to improve the quality of life, please press three."
Alice Kahn
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7929127 | Laser energy measuring unit and laser machining apparatus There is provided a laser energy measuring unit whose laser energy measuring range is widened. The laser energy measuring unit has a filter provided within an optical path of a laser to attenuate energy of the laser, a calculating section for measuring the energy of... | 04/19/2011 |
| 7649622 | Multi-site optical power calibration system and method A test system and method are provided for testing in parallel radiant output of multiple light emitting devices. Generally, the method involves: (i) providing a system having a master, calibrated power meter (CPM), a source transfer standard (STS), and multiple seco... | 01/19/2010 |
| 7388660 | Light amount measurement device and light amount measurement method A device for measuring the intensity of incoming light is disclosed. This device includes a rotatable light blocking unit which interrupts incident signal light at short regular intervals. The device also includes a light source which emits certain light different f... | 06/17/2008 |
| 7345750 | Method of accelerated testing of illuminated device components A method of selection of an illuminator for use in an accelerated light stability test device chamber is described that employs measuring and comparing the spectral irradiance of at least one light source for use in an illuminated device and at least one illuminator... | 03/18/2008 |
| 7286215 | Light measuring apparatus and a method for correcting non-linearity of a light measuring apparatus A correction LED is provided to illuminate a light receiving sensor array, and a calculation controlling circuit calculates correction values at the respective illuminance levels based on sensor output levels expected at the respective illuminance levels and actual ... | 10/23/2007 |
| 7271393 | UV radiation meter using visible light sensors An apparatus for quantifying irradiance has a first sensor having an output for providing a reference signal of irradiance within a first band, such as the visible light band. A filter and a second sensor are in optical series so that irradiance sensed at the second... | 09/18/2007 |
| 7253898 | System for detecting droplets on a translucent surface A system which detects droplets on a translucent surface having a camera which, upon activation, acquires an image of a portion of the surface. A radiation source, upon activation, illuminates the portion of the translucent surface while a control circuit selectivel... | 08/07/2007 |
| 7201508 | Backlighting method for an automotive trim panel The present invention relates to an apparatus and method of perforating the cover layer or soft skin of an automotive trim panel such as an instrument panel with a laser to allow light to bleed through the perforations. The light source would preferably be a low hea... | 04/10/2007 |
| 7186481 | Flare measuring mask and flare measuring method of semiconductor aligner A flare measuring mask and a flare measuring method are capable of measuring flare at high sensitivity by an optical measuring instrument. The first measuring portion has a double cross shielding area including first stripe-shaped shielding portions of the same figu... | 03/06/2007 |
| 7173234 | Method reading apparatus and control method thereof having an illumination unit The deterioration of read-image quality caused by LED color-tone variations is suppressed in a case in which a white-color LED illumination module is used as a light source of a color-image reading apparatus. The color-image reading apparatus includes an illuminatio... | 02/06/2007 |
| 7068402 | Optical scanner providing compensation for non-uniform bulb illumination An optical scanner includes a CCD and a light monitor window (“LMW”) and a black region adjacent the LMW. The LMW is imaged to provide feedback signals for Red, Green and Blue channels of the CCD. The black region is imaged to remove flare from the feedback sign... | 06/27/2006 |
| 7062168 | Bifurcated range stages to increase speed or dynamic range of measuring instruments and associated methods Multiple stage ranging circuitry for a measuring circuit includes a first ranging circuit that selectively amplifies an input signal by respective amounts according to the magnitude of the input signal thereto, and a second ranging circuit coupled to the output of t... | 06/13/2006 |
| 7058511 | Sub-visible cloud cover assessment: VNIR-SWIR Methods, computer-readable media, and systems are provided for determining whether a data point indicates a presence of a sub-visible cloud using visible near-infrared data and short wavelength infrared data. A data point is selected from an imaging study of an area... | 06/06/2006 |
| 6934017 | Method and device for detection of information on optical elements, particularly for monitoring a laser arrangement A method for detection of information on at least one optical element for monitoring an equipment, in which an electromagnetic radiation is shaped or guided by the at least one optical element, particularly for monitoring a laser arrangement. A change of at least on... | 08/23/2005 |
| 6806905 | Digital camera A digital camera is provided with a display for displaying an image of an object and a specifying unit for specifying a plurality of measuring points on the display. An actual area of a region surrounded by the plurality of measuring points specified by the specifyi... | 10/19/2004 |
| 6784987 | Non-linear ranging to control linear ranging measurement device A range selection circuit (13), including a logarithmic amplifier (23) and output circuitry (25) associated therewith, is configured to directly drive linear ranging circuitry for measurement circuitry (12) in an optical power meter (1... | 08/31/2004 |
| 6765665 | Optical bit rate detector The invention relates to a simple and relatively inexpensive way of determining the optical bit rate of an optical signal, which is based on the fact that different percentages of the signal will be transmitted through a narrow-band optical filter depending on the b... | 07/20/2004 |
| 6656518 | Thin film forming method and apparatus To provide a thin film forming method and apparatus that can automatically form thin films having constant optical properties with high reproducibility Antireflection films are deposited on lenses 2a that are held by a coating dome 2 by vaporizing an evap... | 12/02/2003 |
| 6567160 | Light measuring apparatus and light measuring method A light measuring apparatus is provided with a photoelectric conversion element for converting a light energy to an electrical signal, a calculation circuit for calculating a measurement value based on the electrical signal, a memory for storing a correct... | 05/20/2003 |
| 6481369 | Thin film forming method and apparatus To provide a thin film forming method and apparatus that can automatically form thin films having constant optical properties with high reproducibility. Antireflection films are deposited on lenses 2a that are held by a coating dome 2 by vaporizing an eva... | 11/19/2002 |
| 6458213 | Method and device for automatic cleaning of opto-electronic sensor systems for substance analysis The invention concerns a method and device for automatic cleaning of opto-electronic measuring systems used in process-technology for the analysis of substances in liquids and gases by means of optical absorption and fluorescence. The method is characteri... | 10/01/2002 |
| 6456373 | Method and apparatus for monitoring the light emitted from an illumination apparatus for an optical measuring instrument In a method for monitoring the measurement light emitted from an illumination apparatus for an optical measuring instrument, a continuous sensing of measurement light parameters is performed. The sensed measurement light parameters are compared to predefi... | 09/24/2002 |
| 6348357 | Exposure apparatus with a pulsed laser A semiconductor device manufacturing method includes the steps of providing a projection exposure apparatus, exposing a wafer by using the projection exposure apparatus, the exposing step including projecting a circuit pattern onto the wafer through the p... | 02/19/2002 |
| 6016192 | External calibration system for a photo multiplier tube An external calibration system for a photo multiplier tube is described. The calibration system uses a light emitting diode and a photo cell wherein the diode is domed shaped. The light sensitive face of the photo multiplier tube is contained in the plane... | 01/18/2000 |
| 6014207 | Vehicle lighting unit When a vehicle enters into the lower portion of a shielding member, a headlamp is switched on, and a condition flag is set to Set 1 which represents a waiting state in which the vehicle exterior is estimated to become bright/dark intermittently. When the ... | 01/11/2000 |
| 5991017 | Inspecting the surface of an object An arrangement for inspecting the surface of a rotating object (1) which includes object retaining means for retaining whilst rotating the object, means (3) for irradiating the surface of an object when retained and rotated by the object retaining means w... | 11/23/1999 |
| 5991016 | Apparatus for producing variable levels of uniform light flux Apparatus are disclosed that are operable to changes the intensity, per unit surface area, of an irradiation laser light flux. A typical apparatus comprises, on an optical axis, an irradiation laser light source, a stop defining an aperture, and an optica... | 11/23/1999 |
| 5973775 | Device for detecting the wetting of a pane The invention relates to a device for detecting a wetting of a pane having a wetting sensor which is provided with a measuring circuit having a transmitter, which emits light, and a receiver, which responds to the emitted light and emits a sensor signal, ... | 10/26/1999 |
| 5959727 | System and method for discriminating between direct and reflected electromagnetic energy An energy beam threat discrimination system (110) adapted for use with laser beam energy (134). The system (110) includes an first detector (114) for detecting a first laser signal. A second detector (112) detects a coherent laser signal. A timer circuit ... | 09/28/1999 |
| 5946086 | Optical mean power controller with provisionable output levels A mean optical power controller that controls power using a voltage controlled optical attenuator (VCOA) is disclosed. This controller uses a control loop in which a signal indicative of the present optical power level is compared to a signal indicative o... | 08/31/1999 |
| 5926265 | Low-level lighting comparator An instrument and method for optically calibrating and balancing low level luminances of lighted instrument panel displays within the operator station of a vehicle is described which comprises a self-contained, calibrated luminance source and a beamsplitt... | 07/20/1999 |
| 5841666 | Processor apparatus and method for a process measurement signal An apparatus and method for processing a time domain reflectometry (TDR) signal to generate an output result corresponding to a valid process variable. The method includes the steps of processing the TDR signal using at least two different techniques for ... | 11/24/1998 |
| 5822052 | Method and apparatus for compensating illuminance error of a light source A method and an apparatus for compensating illuminance error of a light source is adapted to be used in a transmission type scanner and utilizes the light signal directly transmitted from the light source to an image pickup device of the scanner without p... | 10/13/1998 |
| 5748303 | Light sensing device A light sensing device including at least one light sensor is provided. The at least one light sensor is configured to be exposed to a light image. In response to the light image, the at least one light sensor is configured to generate a first signal. The... | 05/05/1998 |
| 5745233 | Voltage detecting circuit A voltage detecting circuit is capable of detecting the voltage to be detected at high precision, is small in size, and is low in manufacturing cost. A first photo coupler and a second photo coupler are interposed between voltage input terminals to which ... | 04/28/1998 |
| 5715048 | Calibration system for a photo multiplier tube A calibration system for a measuring device utilizing a photo multiplier tube is provided. The calibration system is intended to provide a stable light source variable over a wide range of intensities which can be used to calibrate the PMT reading using a... | 02/03/1998 |
| 5663050 | Sensor for antigen-antibody reactions A multi-purpose on-line or field-portable system and method for monitoring the presence and concentration of selected antigen-antibody reactions singly or in combination that result from the presence of specific microorganisms or free antigens present or ... | 09/02/1997 |
| 5495329 | Adaptive lamp control A method and apparatus for determining the quality of an illuminating device, such as an elongated lamp, that is useable with an imaging device, such as a scanner. Electrical power is supplied to the lamp so that it emits a light beam. The light beam is t... | 02/27/1996 |
| 5297555 | Multichannel spectrometer The invention relates to a multichannel spectrometer (10), in particular for examining moles (16) having an evaluating and display device (14) and optical means (18, 19, 21, 23, 22) to determine and display reflectance spectra of a skin surface on an asce... | 03/29/1994 |
| 4950610 | Titrating apparatus and method Titration apparatus includes two cells that receive and contain liquids and are transparent to light. A liquid having an unknown characteristic and mixed with an indicator that is optically responsive to a titrant is disposed in the cells. Light is transm... | 08/21/1990 |
