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| Number | Title | Issue Date |
| 7796247 | Tissue oximeter with source and detector sensors A probe for a medical device with source and detector sensors is used to monitor or measure, or both, oxygen saturation levels in a tissue. In various specific implementations, the probe has at least two sources and at least one detector, at least one source and at ... | 09/14/2010 |
| 7538865 | Source and detector sensor arrangement A device has various arrangements of source and detector sensors. In specific implementations, the device has at least four structures, one source and three detectors, two sources and two detectors, and other arrangement variations. In a specific implementation, bet... | 05/26/2009 |
| 7525647 | Medical device probe with source and detector sensors A probe for a medical device with source and detector sensors is used to monitor or measure, or both, oxygen saturation levels in a tissue. In various specific implementations, the probe has at least two sources and at least one detector, at least one source and at ... | 04/28/2009 |
| 7430041 | Semiconductor storage apparatus A semiconductor storage apparatus according to one embodiment of the present invention, comprising: memory cells which need refresh operation; and a refresh control circuit which suspends the refresh operation when external access for reading out from or writing int... | 09/30/2008 |
| 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 |
| 7355688 | Optical probe for optical imaging system Methods and apparatus for monitoring oxygen saturation levels in tissue are disclosed. According to one aspect of the present invention, a sensor arrangement for use in an optical imaging system includes a first source structure, a second source structure, and a det... | 04/08/2008 |
| 7256880 | Goniophotometer A hemispherical goniophotometer is disclosed, in which two pivoting arms are articulated on a revolving rotating arm and are each fitted with a measurement head. The geometry of the arrangement is chosen such that the measurement heads can move along the envelope su... | 08/14/2007 |
| 7253902 | Wavelength detector A radiation measurement device for determining a wavelength-related characteristic of radiation from a radiation source is provided. The device includes a wavelength-dependent optical element (e.g., bandpass filter), and an optical power-measuring detector (e.g., ph... | 08/07/2007 |
| 7235776 | Method and device for regulating a light source of a position-measuring unit A device for regulating a light source of a position-measuring unit includes: a measuring standard device that is movable relative to the light source; and a plurality of photodetectors, the photocurrent of at least one of the photodetectors usable as a basis for fo... | 06/26/2007 |
| 7232987 | Instrument and method to measure available light energy for photosynthesis The present invention is an accumulated light meter that generates data concerning the quantity of photosynthetically active radiation available over a measured period of time. The device can calculate a daily light integral (DLI) that corresponds to the amount of l... | 06/19/2007 |
| 7210859 | Optoelectronic components with multi-layer feedthrough structure This disclosure concerns a platform suitable for use in connection with optoelectronic components and devices. In one example, the platform includes multiple stacked platform layers. A conductive pathway of the platform is supported by at least one of the stacked pl... | 05/01/2007 |
| 7193201 | Method for measuring external light to control protection means against sunlight or illumination The invention concerns a method which consists in detecting and discriminating at least three states, respectively blue sky, white sky and direct sunlight. The discrimination between the three states is based, for example, on an intermediate detection distinguishing... | 03/20/2007 |
| 7189012 | Semiconductor laser module having a co-axial package and transmission lines for complementary driving signal The present invention provides a semiconductor laser module in which parasitic inductance due to the bonding wire is removed, accordingly, the high frequency performance thereof can be enhanced. The laser module of the present invention has a sub-mount, on which the... | 03/13/2007 |
| 7142475 | Memory device having a configurable oscillator for refresh operation A dynamic random access memory device includes banks of dynamic memory cells. The device performs a refresh operation in response to receiving a self refresh command, by refreshing rows of the memory cells located in each of the banks. Further, a refresh frequency f... | 11/28/2006 |
| 7109461 | Solar tracking system The invention provides a solar tracking system for controlling the alignment of an instrument with respect to the sun, the instrument having a solar radiation receiver and a solar radiation collector for collecting solar radiation and directing the radiation towards... | 09/19/2006 |
| 7088441 | Method and apparatus for measuring wavelength changes in a high-resolution measurement system A method and apparatus for measuring a wavelength-related characteristic of a radiation source is provided. Two beams travel through substantially identical filters at different angles, which produces two different output signals that behave similarly with respect t... | 08/08/2006 |
| 7084964 | Optical power measuring apparatus An optical power measuring apparatus for successively measuring optical power in a time series and displaying a time axis change of the measurement values as a measurement screen fixedly displays the latest measurement value of optical power on the measurement scree... | 08/01/2006 |
| 7057957 | High speed and low power sense amplifier This invention provides a circuit and a method for limiting the power consumed by memory array sense amplifiers while enhancing the speed of memory systems. It provides a circuit and a method which automatically limits the precharge time and voltage, which limits th... | 06/06/2006 |
| 6992757 | Method and system for encoding fluid level A level transmitter can generate a level measurement signal according to the position of a float that follows fluid level in a tank. The transmitter can comprise an optical encoder with a patterned disk that is linked to the float so that fluid level change produces... | 01/31/2006 |
| 6946858 | Method and apparatus for measuring photoelectric conversion device, and process and apparatus for producing photoelectric conversion device A measuring method for measuring current-voltage characteristics of a photoelectric conversion device by irradiating light to said photoelectric conversion device and a reference device corresponding to said photoelectric conversion device at the same time while det... | 09/20/2005 |
| 6943771 | Computer program, method, and device for controlling the brightness of a display A computer program, method, and device for controlling the brightness of a display (10) by proportionally varying the voltage delivered to each pixel in the display (10) after the back light (12) for the display (10) has been dimmed to it... | 09/13/2005 |
| 6909499 | Light source for illumination in an optical viewing device The invention concerns a light source having an apparatus for measuring the brightness of the illumination system of an optical viewing device, for example a microscope, in which at least one light sensor (3a) for measuring the intensity of the lamp ( | 06/21/2005 |
| 6901218 | Photometer, image sensing device, photometric method, program and recording medium The present invention provides a photometer for making the photometry that can deal with various back light situations. For this purpose, a screen is two-dimensionally divided into plural areas, whereby one-dimensional projection data is calculated from the brightne... | 05/31/2005 |
| 6721044 | Exposure meter used for photographing An exposure meter for incident- and reflected-light photometry includes an incident-light receiving section, a finder for reflected-light photometry, an arithmetical element for calculating various exposure values on the basis of photometric results obtained by inci... | 04/13/2004 |
| 6682899 | Apparatus and method for detecting and identifying infectious agents Solid phase methods for the identification of an analyte in a biological medium, such as a body fluid, using bioluminescence are provided. A chip designed for performing the method and detecting the bioluminescence is also provided. Methods employing biom... | 01/27/2004 |
| 6649357 | Apparatus and method for detecting and identifying infectious agents Solid phase methods for the identification of an analyte in a biological medium, such as a body fluid, using bioluminescence are provided. A chip designed for performing the method and detecting the bioluminescence is also provided. Methods employing biom... | 11/18/2003 |
| 6649356 | Apparatus and method for detecting and identifying infectious agents Solid phase methods for the identification of an analyte in a biological medium, such as a body fluid, using bioluminescence are provided. A chip designed for performing the method and detecting the bioluminescence is also provided. Methods employing biom... | 11/18/2003 |
| 6614518 | Multi-point light measuring system A multi-point light measuring system for sensing an optical characteristic such as illuminance at a plurality of measurement points with respect to the same illumination is configured by a single main unit, a plurality of light measuring units and a plura... | 09/02/2003 |
| 6462819 | Light measuring apparatus and colorimeter In a light measuring apparatus, pulse-like measuring light is received by n photoelectric converting means and electric signals responsive to received light intensities are outputted therefrom. Time constant converting circuits elongate each of the electr... | 10/08/2002 |
| 6458547 | Apparatus and method for detecting and identifying infectious agents Solid phase methods for the identification of an analyte in a biological medium, such as a body fluid, using bioluminescence are provided. A chip designed for performing the method and detecting the bioluminescence is also provided. Methods employing biom... | 10/01/2002 |
| 6441896 | Method and apparatus for measuring spatial uniformity of radiation A method and apparatus for measuring the spatial uniformity of the intensity of a radiation beam from a radiation source based on a single sampling time and/or a single pulse of radiation. The measuring apparatus includes a plurality of radiation detector... | 08/27/2002 |
| 6366350 | Apparatus for transmitting light source to a light detector A light reflector for use with a light source and a light detection mechanism is disclosed. The light source and the light detection mechanism are mounted on a substrate. The light reflector includes a generally hollow portion having a first end and a sec... | 04/02/2002 |
| 6337742 | Device for ascertaining the relative position of a reference axis of an object relative to a reference beam, in particular a laser beam A device is proposed, which makes it possible to ascertain the relative position of the reference axis BA of an object relative to a reference beam Rp of an electro-magnetic radiation, in particular a laser beam. The device displays a spatially... | 01/08/2002 |
| 6324344 | Light measuring device and camera A light measuring device includes an integration-type light measuring sensor having a plurality of pixels and arranged to logarithmically compress a signal of light received by each pixel and to output the signal as a light measurement value for each pixe... | 11/27/2001 |
| 6320179 | Device noise measurement system A system and method for determining noise power levels across a range of frequencies of the optical signal output from a device operating at a specified optical power and drive current and, in particular, for determining relative intensity noise values (R... | 11/20/2001 |
| 6304586 | Method and apparatus for modulating a tunable laser The present invention provides an optical signal generator for use in calibrating and testing optical components. The optical signal generator utilizes a tunable laser in conjunction with a novel modulation circuit to output an analog/digital optical sign... | 10/16/2001 |
| 6261522 | Spectrophotometric apparatus with reagent strip detection An apparatus for automatically detecting the presence of a reagent strip (14) having a body fluid sample disposed thereon and for inspecting the reagent strip (14) after the presence of the reagent strip (14) is detected is provided with a detection syste... | 07/17/2001 |
| 6229602 | Photometering apparatus A photometering apparatus has a photometering apparatus having a plurality of photometering systems for measuring the brightness of an object. photometering system includes:a light receiving device in which different parts of an object are detected by a p... | 05/08/2001 |
| 6201235 | Electro-optic sampling oscilloscope An electro-optic sampling oscilloscope facilitates adjustment of signal-to-noise ratio caused by electrical, optical and temperature factors. The instrument includes: a light generation section for generation a reference laser beam; a crystal, exhibiting ... | 03/13/2001 |
| 6198531 | Optical computational system An optical analysis system includes an optical filter mechanism disposed to receive light from a light source and configured to optically compress data carried by the light into at least one orthogonal component of the light. A detector mechanism in opera... | 03/06/2001 |
