Patent International Class: G01D 5/36
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Optical member with high and low refractive index layers
Inventor: Toda | Patent Number: 8148672
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Absolute position length measurement type encoder
Inventor: Morimoto | Patent Number: 8110792
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Illumination device, image display device, and projector
Inventor: Takagi, et al. | Patent Number: 8089041
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Scanning unit of an optical position measuring arrangement and position measuring arrangement having this scanning unit
Inventor: Schneider | Patent Number: 8081321
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Optical encoder
Inventor: Hane | Patent Number: 8035079
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Optical system for mapping signal light onto a detector
Inventor: Balistreri, et al. | Patent Number: 7947946
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Optical gating system using moire effect
Inventor: Konishi | Patent Number: 7936512
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Displacement measurement system and method of use
Inventor: Schluchter | Patent Number: 7924433
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Process and devices for optically sensing a specimen with a large depth of field
Inventor: Wolleschensky | Patent Number: 7923672
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Two grating lateral shearing wavefront sensor
Inventor: Kuchel | Patent Number: 7889356
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Alignment systems and methods for lithographic systems
Inventor: Van Bilsen, et al. | Patent Number: 7880880
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Optical position measuring arrangement
Inventor: Hermann, et al. | Patent Number: 7872762
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Fresnel antenna
Inventor: Bratkovski, et al. | Patent Number: 7847236
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Optical sensing in a directional MEMS microphone
Inventor: Miles, et al. | Patent Number: 7826629
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Optical rotation counter
Inventor: Tupinier, et al. | Patent Number: 7751058
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Origin detection method for optical encoder
Inventor: Atsuta, et al. | Patent Number: 7732757
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Photodetector arrangement, measurement arrangement with a photodetector arrangement and process for operating a measurement arrangement
Inventor: Lysen | Patent Number: 7723668
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Information carrier
Inventor: Parriaux, et al. | Patent Number: 7718952
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Lateral shift measurement using an optical technique
Inventor: Brill, et al. | Patent Number: 7715007
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X-ray flux management device
Inventor: Arenson, et al. | Patent Number: 7706508
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Optical pickup device and optical disk device
Inventor: Matsubara, et al. | Patent Number: 7652246
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Three-dimensional microscope and method for obtaining three-dimensional image
Inventor: Fukutake | Patent Number: 7633631
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Image amplifying, servo-loop controlled, point diffraction interometer
Inventor: Livingston | Patent Number: 7633630
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Scale and readhead system
Inventor: Howley | Patent Number: 7624513
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Optical encoder including aperture with diffusion element and collimator lens
Inventor: Otsuka, et al. | Patent Number: 7619745
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Optical structure for localising an electromagnetic field and detector or emitter device including such a structure
Inventor: Carras, et al. | Patent Number: 7608814
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Position-measuring device
Inventor: Holzapfel | Patent Number: 7573581
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Rotary encoder, belt conveyance apparatus, and image forming apparatus
Inventor: Yoshioka | Patent Number: 7569808
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Optical head, optical reproducing apparatus, and optical recording and reproducing apparatus
Inventor: Oka | Patent Number: 7569801
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Photoelectric encoder
Inventor: Kawada | Patent Number: 7554078
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Lithographic apparatus and device manufacturing method
Inventor: Loopstra, et al. | Patent Number: 7515281
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Sensor device and stage device
Inventor: Gao, et al. | Patent Number: 7502127
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Displacement sensor employing discrete light pulse detection
Inventor: Degertekin, et al. | Patent Number: 7485847
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Interferometric optical position encoder employing spatial filtering of diffraction orders for improved accuracy
Inventor: Goldman | Patent Number: 7480060
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Moire interferometric strain sensor
Inventor: Asundi, et al. | Patent Number: 7477362
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Position-measuring device
Inventor: Holzapfel | Patent Number: 7471397
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Absolute encoder utilizing a code pattern carrier having a varying mixture of phosphors deposited thereon
Inventor: Chua, et al. | Patent Number: 7462815
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Reflective alignment grating
Inventor: Chandhok | Patent Number: 7446873
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Measuring instrument, in particular for transmission measurement in vacuum system
Inventor: Krause, et al. | Patent Number: 7443518
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Littrow interferometer
Inventor: Trutna, Jr., et al. | Patent Number: 7440113
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Optical configuration for imaging-type optical encoders
Inventor: Shimomura, et al. | Patent Number: 7435945
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Interferometer systems for measuring displacement and exposure systems using the same
Inventor: Park | Patent Number: 7433048
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Absolute linear encoder
Inventor: Sakagami, et al. | Patent Number: 7432497
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Vane control
Inventor: Greentree | Patent Number: 7426829
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Origin detection method for optical encoder
Inventor: Atsuta, et al. | Patent Number: 7425697
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High precision interferometer apparatus employing a grating beamsplitter
Inventor: Sun, et al. | Patent Number: 7414730
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Dense multi-axis array for motion sensing
Inventor: Dueweke, et al. | Patent Number: 7405389
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Quality inspection method and quality inspection device
Inventor: Yokote | Patent Number: 7399983
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Displacement detector
Inventor: Takahashi, et al. | Patent Number: 7394550
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Systems and methods for measuring sample surface flatness of continuously moving samples
Inventor: Zwemer, et al. | Patent Number: 7369253
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Image display apparatus
Inventor: Yamamoto, et al. | Patent Number: 7346261
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Integrated optical encoder
Inventor: Ruttiger, et al. | Patent Number: 7345273
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Photoelectric encoder, scale therefor and method for manufacturing the same
Inventor: Kubo, et al. | Patent Number: 7332711
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Optical encoder and electronic equipment having same
Inventor: Okada | Patent Number: 7329858
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Optical encoder having slanted optical detector elements for harmonic suppression
Inventor: Mitchell, et al. | Patent Number: 7324212
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Attenuator for attenuating wavelengths unequal to a used wavelength
Inventor: Singer | Patent Number: 7319509
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Optical encoders for position measurements
Inventor: Muenter | Patent Number: 7291832
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Apparatus and methods for detecting and locating signals
Inventor: Riel, et al. | Patent Number: 7277053
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Position measuring device
Inventor: Braasch, et al. | Patent Number: 7274464
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Position-measuring device
Inventor: Tondorf, et al. | Patent Number: 7271920
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Fortified, compensated and uncompensated process-sensitive scatterometry targets
Inventor: Archie, et al. | Patent Number: 7265850
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Photoelectric encoder using an incoherent semiconductor light source
Inventor: Kiriyama, et al. | Patent Number: 7265338
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Sensing apparatus
Inventor: Doe | Patent Number: 7265337
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Apparatus and methods for surface contour measurement
Inventor: Shirley | Patent Number: 7242484
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Optical encoder
Inventor: Okada, et al. | Patent Number: 7223963
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Pulse generator
Inventor: Schmitt | Patent Number: 7214930
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Position-measuring device
Inventor: Saendig | Patent Number: 7196319
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Multi-track optical encoder employing beam divider
Inventor: Mitchell | Patent Number: 7193204
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Optical configuration for imaging-type optical encoders
Inventor: Shimomura, et al. | Patent Number: 7186969
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Methods and apparatus for reducing error in interferometric imaging measurements
Inventor: Swanson, et al. | Patent Number: 7184149
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Position-measuring system and method for operating a position-measuring system
Inventor: Holzapfel, et al. | Patent Number: 7161139
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Optical position encoder device using incoherent light source
Inventor: Lee | Patent Number: 7145126
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Photoelectric encoder and method of manufacturing scales
Inventor: Kanno, et al. | Patent Number: 7129475
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Methods, systems and computer program products for calibration of microscopy imaging devices
Inventor: Zinter, et al. | Patent Number: 7115848
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Scale for reflective photoelectric encoder and reflective photoelectric encoder
Inventor: Kojima | Patent Number: 7109472
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Method and device for compensating for interfering variables in an optical sensor
Inventor: Kraemmer | Patent Number: 7064315
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Scanning unit for an optical position measuring device
Inventor: Mayer, et al. | Patent Number: 6965437
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Position measuring system
Inventor: Huber, et al. | Patent Number: 6943341
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High-resolution optical encoder with phased-array photodetectors
Inventor: Hasser | Patent Number: 6928386
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Motor having rotation sensor and manufacturing method thereof
Inventor: Uchiyama | Patent Number: 6909212
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Displacement pickup
Inventor: Tamiya, et al. | Patent Number: 6879405
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Position detecting apparatus, and optical apparatus and position detecting method comprising this
Inventor: Morimoto | Patent Number: 6856477
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Rotation angle detector
Inventor: Ito, et al. | Patent Number: 6848187
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Marked plate for a rotational angle sensor element, an angular sensor element for rotating structural parts, and a process for determining a reference value
Inventor: Kirschbaum, et al. | Patent Number: 6844542
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Photodetection system and circuit for amplification
Inventor: Kuo, et al. | Patent Number: 6838654
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Multichannel interferometer with phase generated carrier demodulation and quadrature error correction
Inventor: Greene, et al. | Patent Number: 6825714
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Interpolator
Inventor: Chee | Patent Number: 6816091
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Optical encoder with triple photodiode
Inventor: Steegmueller, et al. | Patent Number: 6797940
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Optical encoder
Inventor: Kudo | Patent Number: 6774355
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Encoder
Inventor: Sakai, et al. | Patent Number: 6750445
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Position measuring system
Inventor: Willhelm | Patent Number: 6747262
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Rotational direction detecting apparatus
Inventor: Hashimoto | Patent Number: 6734418
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Multiple resolution photodiode sensor array for an optical encoder
Inventor: Franklin, et al. | Patent Number: 6727493
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Position sensor with grating to detect moving object with periodic pattern
Inventor: Lee | Patent Number: 6723980
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Optical displacement measuring apparatus having light receiving arrays
Inventor: Fuwa | Patent Number: 6707029
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Method and apparatus for inspecting blow molded containers
Inventor: Stork, et al. | Patent Number: 6693275
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Absolute encoder
Inventor: Kumagai | Patent Number: 6677863
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Encoder
Inventor: Kaneda, et al. | Patent Number: 6674066
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System and method for examining relationship between intersecting encoder output signals
Inventor: Adkins, et al. | Patent Number: 6660996
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Rotary angle sensor for a rotary member
Inventor: Rothamel, et al. | Patent Number: 6639206