Bizarre Patents
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.
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 |
| 8169619 | Detector element matrix for an optical position measuring instrument A detector element array for an optical position measuring instrument, by way of such array a fringe pattern resulting in a detector plane can be converted into electrical scanning signals. The detector element array includes a plurality of light-sensitive detector ... | 05/01/2012 |
| 8149420 | Interferometer calibration system and method A metrology system is provided comprising a diffraction grating mounted on the object, and an interferometer head operable to direct at least one measurement light beam towards the grating at a non-zero angle of incidence. With a single first separation in the secon... | 04/03/2012 |
| 8035820 | Method and apparatus for resonant frequency identification through out-of-plane displacement detection A method for out-of-plane displacement detection is disclosed. The out-of-plane displacement is detected by analyzing all the fringe density indexes calculated using the frequency-domain information extracted from a series of interference images of the sample vibrat... | 10/11/2011 |
| 8031344 | Z-stage configuration and application thereof A stage configuration is provided, wherein a ceramic plate is used as the z-stage body to decrease the use of the metal plates in the conventional configuration, so that the compact structure of the z-stage may decrease the vibrational movements of the z-stage. Furt... | 10/04/2011 |
| 8018600 | Interferometer for measuring displacement information of an object An interferometer includes a laser beam source, a light wave dividing and synthesizing portion for 2-demultiplexing and irradiating a laser beam irradiated from the laser beam source on a measuring target and synthesizing a light having each displacement information... | 09/13/2011 |
| 8018601 | Method for determining vibration displacement and vibrating frequency and apparatus using the same A exemplary method for determining vibration displacement in interferometric scanning, in which two optical signals having a phase difference with each other of a high-coherence interferogram corresponding to a tested surface is detected for determining a shifting d... | 09/13/2011 |
| 7990542 | Memory-based high-speed interferometer An interferometer produces a first optical signal and a second optical signal interfering with each other. The optical signals are converted digital signals form addresses. A memory stores data values corresponding to the first and second optical signals, and in whi... | 08/02/2011 |
| 7920273 | Method for estimating distance between tracking type laser interferometer and target, and tracking type laser interferometer In the tracking type laser interferometer including: a laser interferometer; an optical axis deviation detection sensor for detecting a deviation of an optical axis of the laser interferometer; a two-axis turning mechanism for turning the laser interferometer to any... | 04/05/2011 |
| 7889354 | Interferometric measuring device A device for an interferometric measuring device having a first interferometer and a second interferometer, short coherent radiation being supplied to the first interferometer via a radiation source which is split into to beam components by a first beam splitter; an... | 02/15/2011 |
| 7889353 | Method of measuring relative movement of an object and an optical input device over a range of speeds A method and optical module for measuring relative movement of an input device and object (15) along at least one measuring axis. A laser device (3) having a laser cavity is provided for generating a measuring beam (13) in respect of each measur... | 02/15/2011 |
| 7826062 | Device to detect or generate optical signals The present invention relates to a device for detecting or generating and modulating optical signals, and having an angular dispersive element arranged to change angles of the optical signals or carrier and/or reference rays brought to interference. ... | 11/02/2010 |
| 7791736 | Position measurement system A position measurement system for measuring positional coordinates of a point under measurement includes a first noise removal unit, a parameter determination unit and a second noise removal unit. The first noise removal unit removes noise from the measured position... | 09/07/2010 |
| 7791735 | Pointing device There is provided a pointing device including a light source that provides incident light for illuminating a front surface of a substrate at a predetermined angle of incidence, the substrate having a rear surface as well as the front surface and being transparent to... | 09/07/2010 |
| 7782466 | Method and apparatus for resonant frequency identification through out-of-plane displacement detection A method for out-of-plane displacement detection is disclosed. The out-of-plane displacement is detected by analyzing all the fringe density indexes calculated using the frequency-domain information extracted from a series of interference images of the sample vibrat... | 08/24/2010 |
| 7746477 | System and method for illuminating and imaging a surface for an optical navigation system The present invention discloses an optic system for providing illumination and imaging functions in an optical navigation system. Generally, the optic system includes a unitary optic component having an illumination lens and at least one prism to project a collimate... | 06/29/2010 |
| 7724375 | Method and apparatus for increasing metrology or inspection tool throughput A method and system for performing measurements on a test sample with a metrology or inspection tool are disclosed. At least one of the test sample and the tool is moved with respect to the other from a first position to a second position. At the second position, th... | 05/25/2010 |
| 7715016 | Image invariant optical speckle capturing device and method An image invariant optical speckle capturing device and method. A highly coherent light is used to illuminate a surface and is scattered by the surface, and is captured from the direction with a ±10° from the angle of specular reflection. A light restrictive modul... | 05/11/2010 |
| 7663764 | Measuring device and method to optically measure an object A measuring device for the optic measuring of an object 13a is provided, in particular for measuring a motion of the object. The device includes an interferometer 20 with a measuring beam exit 12, a reflection beam entry 14, an int... | 02/16/2010 |
| 7649631 | Distance/speed meter and distance/speed measuring method In a distance/speed meter, first and second semiconductor lasers emit parallel laser light beams to a measurement target. A first laser driver drives the first semiconductor laser such that the oscillation interval in which at least the oscillation wavelength monoto... | 01/19/2010 |
| 7633628 | Optical lens system and position measurement system using the same An optical lens system includes a lens surface capable of forming concentric interference patterns on an object as if light emitted from a single light source were virtually emitted from two or more light sources within a plane containing an optical axis of the sing... | 12/15/2009 |
| 7619744 | Movement sensor In an apparatus for handling sheet material or an optical input device, for example, which employs a relative movement sensor (108) utilizing the so-called “self-mixing” effect of a laser diode, a band pass filter (100) is provided for filtering th... | 11/17/2009 |
| 7609387 | Method and measuring device for measuring an absolute distance In a method and a measuring device (10) for measuring an absolute distance value corresponding with a range (9) between a measuring device (10) and a target (8), wherein for measuring the absolute distance value a number of individual mea... | 10/27/2009 |
| 7599070 | Optical axis polarization type laser interferometer An optical axis polarization type laser interferometer including a reference sphere which forms a reference of measurement, a retro-reflecting means disposed at a measurement object, a laser interference measuring apparatus for outputting a measurement value corresp... | 10/06/2009 |
| 7593113 | Large areas undistorted imaging apparatus for light speckles and method thereof The present invention relates to a large area undistorted imaging apparatus for light speckles and a method thereof. The large area undistorted imaging apparatus for light speckles comprises a light-emitting device, a light-limiting module, and a sensor. The light-l... | 09/22/2009 |
| 7583387 | Seismic exploration An instrument for studying an object (12) comprising a movable interferometer having a laser source and a plurality of detectors (24) arranged in an array. The laser source is expanded and arranged to direct a converging object beam (21) towards... | 09/01/2009 |
| 7583388 | Position measurement system A position measurement system for measuring positional coordinates of a point under measurement includes a first noise removal unit, a parameter determination unit and a second noise removal unit. The first noise removal unit removes noise from the measured position... | 09/01/2009 |
| 7545506 | Interferometric measuring device The present invention relates to an interferometric measuring device having a short-coherent radiation source, a modulation interferometer and a downstream reference interferometer connected thereto. The mechanical coupling between the reference interferometer and t... | 06/09/2009 |
| 7542149 | Optics system for an interferometer that uses a measuring mirror, a reference mirror and a beam deflector An optical assembly of an interferometer that includes a beam splitter for dividing the beams emitted by a radiation source into at least one measuring and one reference beam and at least one measuring and one reference mirror, on which the measuring and the referen... | 06/02/2009 |
| 7542150 | Displacement interferometer system and exposer using the same A displacement interferometer system comprises: a light source for generating a laser beam of a predetermined wavelength; an incidence unit for allowing the laser beam, generated in the light source to be incident on a target object to be measured; a detector for me... | 06/02/2009 |
| 7538888 | Method for estimating absolute distance of tracking laser interferometer and tracking laser interferometer A method for estimating an absolute distance between a tracking laser interferometer and a retroreflector is provided. The tracking laser interferometer includes the retroreflector for reflecting and returning an incident measurement light in an incident direction a... | 05/26/2009 |
| 7535579 | System and method for optical vibration sensing A system for sensing vibration of a machine is provided. A light source directs a beam of light toward a light receiving system adapted to receive at least a portion of the beam of light. A light modulating system modulates the light beam received by the light recei... | 05/19/2009 |
| 7535580 | Image forming apparatus and image forming method An image forming apparatus which can form an even image while maintaining high resolution. A speckle pattern detecting unit detects a speckle pattern on a surface of a photosensitive drum. A motor drive circuit controls the rotational speed of the photosensitive dru... | 05/19/2009 |
| 7511825 | Pointing device A pointing device includes a light source, an aperture member, and a detector. The light source provides incident light for illuminating an obverse surface of a plate at a predetermined incident angle. The plate has the obverse surface and a reverse surface and is t... | 03/31/2009 |
| 7495770 | Beam shear reduction in interferometry systems In certain aspects, the invention features interferometry systems that include an input assembly positioned to receive a beam emitted from a light source comprising a first component beam and a second component beam, the input assembly being configured to change a d... | 02/24/2009 |
| 7489406 | Optical lens system and position measurement system using the same An optical lens system includes a lens surface capable of forming concentric interference patterns on an object as if light emitted from a single light source were virtually emitted from two or more light sources within a plane containing an optical axis of the sing... | 02/10/2009 |
| 7480059 | Optical coherence tomography for eye-length measurement An accurate measure of eye length can be obtained using concurrent OCT measurements. A position OCT device can be used to continually monitor the position of the front surface of the cornea, while a distance OCT device can determine the apparent distance between the... | 01/20/2009 |
| 7460242 | Systems and methods for high-precision length measurement Provided are systems and methods for performing high-precision length measurement. One such system includes: an optical receiver, configure to receive a reflected optical pulse from a target; an optical combiner, configured to generate a combined optical pulse using... | 12/02/2008 |
| 7436519 | System and method for interferometer non-linearity compensation A method for non-linearity compensating interferometer position data generated from a measurement signal includes generating a first set of non-linearity parameters based on received digital position values. The method includes sensing whether a low velocity conditi... | 10/14/2008 |
| 7433047 | Runout characterization Runout characterization is performed on a moving body by positioning a light source and optical sensor at a nominal distance from the moving body, with a beam directed from the light source against a surface of the moving body. The reflected light is detected at a s... | 10/07/2008 |
| 7420542 | Apparatus for capturing and analyzing light and method embodied therein An apparatus including an image sensor is disclosed. The apparatus includes a polarization filter, an image sensor, and a processor connected to the image sensor. The polarization filter is adapted to filter out light polarized in a first direction from a first scen... | 09/02/2008 |
