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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 8154716 | Waveguide-based sensor A sensor for sensing a target chemical with high signal-to-noise ratio is disclosed. In some embodiments, the sensor comprises a sensing region that is optically coupled with an attenuation region. The sensing region receives optical stimulation that comprises light... | 04/10/2012 |
| 7525648 | Apparatus for the examination of the properties of optical surfaces A device for examining the optical properties of surfaces includes a first radiation source which emits radiation to an examination surface, at least one first detector device, for detecting the radiation reflected off the surface and emitting at least one signal th... | 04/28/2009 |
| 7440088 | Methods and devices for measuring a concentrated light beam Methods and devices are provided for profiling a beam of light that includes a wavelength λ. The beam of light is received. Secondary light is generated at a wavelength λ′ different from wavelength λ by fluorescing a material with the received beam of light. Th... | 10/21/2008 |
| 7428051 | Device for the IR-spectrometric analysis of a solid, liquid or gaseous medium The invention relates to a device for the IR-spectrometric analysis of a solid, liquid or gaseous medium. The device includes a process probe, which has a reflection element. The device additionally includes a linear variable filter, at least one detector element, a... | 09/23/2008 |
| 7371538 | Microluminometer chip and method to measure bioluminescence An integrated microluminometer includes an integrated circuit chip having at least one n-well/p-substrate junction photodetector for converting light received into a photocurrent, and a detector on the chip for processing the photocurrent. A distributed electrode co... | 05/13/2008 |
| 7365833 | System for measuring radiance, transmittance and reflectance Two or more triangular apertures are employed to pass radiation from a source to a detector to reduce the amount of stray radiation received by the detector. Preferably, the two apertures are equilateral triangles oriented at 60 rotated relative to each other and ha... | 04/29/2008 |
| 7250806 | Apparatus and method for generating an output signal that tracks the temperature coefficient of a light source An apparatus and method for generating an output signal that tracks the temperature coefficient of a light source are provided. A light source temperature coefficient tracking mechanism (e.g., a current source circuit) that generates an output signal, which tracks t... | 07/31/2007 |
| 7217371 | Optical control interface between controller and process chamber The present invention relates to interfacing new sensors to incumbent controls. In particular, it relates to optically interfacing a new sensor, such as a spectrometer with plasma generator, to an incumbent electro-optical sensor. Logic and resources to control acti... | 05/15/2007 |
| 7206072 | Light source type discriminating method, image forming method, method and apparatus for estimating light source energy distribution, and exposure amount determining method The discriminating method utilizes first to third sensors respectively having spectral sensitivities corresponding to three primary colors and a fourth sensor having a spectral sensitivity that does not overlap the spectral sensitivities corresponding to the three p... | 04/17/2007 |
| 7194131 | Image selection based on image content An image capture system comprises an image input and processing unit. The image input obtains image information which is then passed to the processing unit. The processing unit is coupled to the image input for determining image metrics on the image information. The... | 03/20/2007 |
| 7068362 | Expendable beam transmissometer The present invention provides apparatus for a beam transmissometer. In an embodiment, the beam transmissometer includes a LED signal source, collimating apparatus, a retroreflector that directs the projected beam, imaging apparatus that directs the beam onto a dete... | 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 |
| 6788398 | Far-field scanning apparatus and method for rapid measurement of light source characteristics with high dynamic range A method and apparatus for rapid measurements of far-field radiation profiles having a large dynamic range from an optical source is disclosed. Some embodiments of the apparatus include a collector coupled to a rotating hub so that the rotation of an entrance to the... | 09/07/2004 |
| 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 |
| 6734957 | Visible light sensor mechanism for constant brightness projection systems An apparatus for collecting and sensing light in a projector, comprising a cold mirror positioned directly in the incident light path from a lamp and illumination optics of the projector for reflecting a large portion of visible light towards a light imaging device ... | 05/11/2004 |
| 6642501 | Photo-detecting apparatus The signal current corresponding to an incident light intensity is output from a photodiode, and the integrating circuit stores an electric charge according to the signal current and outputs a signal voltage corresponding to the amount of the stored elect... | 11/04/2003 |
| 6556289 | System for measuring radiance Two or more triangular apertures are employed to pass radiation from a source to a detector to reduce the amount of stray radiation received by the detector. Preferably, the two apertures are equilateral triangles oriented at 60° rotated relative to each... | 04/29/2003 |
| 6522401 | Light measuring device for a plane light source A light-measuring device comprises a photosensor, a light shield and a control device. The light shield has a plurality of apertures. Light from a luminous surface of a plane light source project onto the photosensor through the apertures of the light shi... | 02/18/2003 |
| 6466313 | Method and apparatus for determining the time curve of the intensity of radiation in a weathering testing device A method for determining the time curve of the intensity of radiation present at the location of at least one sample which is being examined. The sample follows a circular path of movement in a sealed sample chamber of a weathering testing device, around ... | 10/15/2002 |
| 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 |
| 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 |
| 6268918 | Three-dimensional input device An apparatus and method for detecting a three-dimensional image. The apparatus includes a projector which projects a reference light on an object; an image sensor which senses an image of the object; and a controller for controlling the projector and the ... | 07/31/2001 |
| 5991014 | Light sensing device for sensing the light output of a bulb A light sensing device for sensing the light output of a bulb in a lamp comprises a fiber-optic light guide having first and second ends and a photodetector. The first end is optically coupled to a projection of a bulb in the lamp and is adapted to pick u... | 11/23/1999 |
| 5880827 | Measurement System with large dynamic range A measurement circuit having high dynamic range includes high-gain and low-gain amplifiers connected in parallel. A shunt feedback circuit is activated to prevent the high-gain amplifier from saturating when the magnitude of an input signal exceeds its dy... | 03/09/1999 |
| 5808733 | Device for measuring feeble light and method thereof In a device for measuring feeble light and a method thereof, the device includes a feeble light amplifying device having a reaction chamber with two transparent windows as a constituent part, a detector, and two mirrors. The feeble light generated in the ... | 09/15/1998 |
| 5789738 | Circuit for setting the operating point of an opto-electronic component A circuit is provided for adjusting an operating point of an opto-electronic element having a saturation voltage and which constitutes a component of a receiver for alternating light useful signals and which generates current during a short-circuit operat... | 08/04/1998 |
| 5748302 | Optical power meter An optical power meter which is capable of performing power range switchover operations in short periods of time and are capable of performing optical power measurements over a wide range in short periods of time. The invention comprises a photodiode 101 ... | 05/05/1998 |
| 5748321 | Position and orientation tracking system A position and orientation tracking system presents a laser scanning appaus having two measurement pods, a control station, and a detector array. The measurement pods can be mounted in the dome of a radioactive waste storage silo. Each measurement pod in... | 05/05/1998 |
| 5731871 | Light quantity measuring device that can accurately measure quantity regardless of polarization of measured light Disclosed is a light quantity measurement device that can accurately monitor light intensity regardless of the polarized condition of incident light. A light quantity measuring device comprises: a birefringent optical device; transmission means for passin... | 03/24/1998 |
| 5694211 | Light measuring apparatus for quantizing photon When incident light is incident to a photodetector, photoelectrons are emitted and multiplied in each of incident zones whereby a plurality of current signals are output. These current signals each are processed to estimate a distribution or a mean value ... | 12/02/1997 |
| 5618495 | Colorimetric titration method and apparatus The invention relates to colorimetric titration method, a titrator and colorimeter device. The titrating apparatus comprises radiant energy means for producing radiant energy. The device includes means for modulating an amplitude of an intensity of the ra... | 04/08/1997 |
| 5534996 | Measurement apparatus for evaluating characteristics of light emitting devices A measurement apparatus and method for evaluating a light emitting device automatically measures a carrier-noise ratio, an optical modulation index, and a relative intensity noise of the light emitting device, and graphically displays the resulted data. T... | 07/09/1996 |
| 5463467 | Light source pulsed with irregular pulse sequence in analog photometric signal evaluation for a test carrier analysis system Method of detecting and evaluating analog photometric signals in a test carrier analysis system, and apparatus for carrying out the method. The test field of a test carrier is irradiated by a light source clocked in light-dark phases. The reflected light ... | 10/31/1995 |
| 5448161 | Transformer-coupled photodiode circuit for lightning and other light pulse detection An efficient optical radiation detector for lightning or other light signals such as pulses, bursts, flashes, and steady fluctuations. A silicon photodiode (or similar light-sensitive silicon device) is arranged to receive light signals (infrared, visible... | 09/05/1995 |
| 5225884 | Excimer laser pulse analyzer and method System and method for analyzing pulses from an excimer laser by measuring light energy rather than heat energy. The output of the laser is monitored with a photodetector to provide electrical current pulses corresponding to the intensity of the light in i... | 07/06/1993 |
| 5115667 | Circuit for processing a signal received by an electron multiplier The present invention relates to a circuit for processing a signal received by an electron multiplier. The circuit comprises an electron multiplier followed by an electron collector, a power supply for the electron multiplier, a gain-compressing amplifier... | 05/26/1992 |
| 5087808 | Combined optical power and noise meter A combined optical power and noise meter for measuring both optical power and optical noise includes a detector housing and a photodiode which is disposed in the detector housing. The resistence of the photodiode changes continually in response to the app... | 02/11/1992 |
| 5066121 | Method and apparatus for measuring the flash duration of a flash unit In a method of measuring the flash duration of a flash unit, the momentary light intensity is converted into an electrical signal that is determined and stored, and that is delayed by at least that time interval that exists between the beginning of the fl... | 11/19/1991 |
| 5037198 | Illuminant discriminator with improved boundary conditions The present invention is an apparatus and an associated method for determining the dominant scene illuminant which apparatus is more reliable and accurate than previous illuminant detectors. Mixed illuminant detection has been added to the choice of illum... | 08/06/1991 |
| 4914738 | Apparatus for discriminating light source having spectrum peaks A light source discriminating apparatus includes three photosensors, two of which have similar spectral sensitivity characteristics to each other. The apparatus senses the difference in the energy distribution of light sources by comparing the ratios of t... | 04/03/1990 |
