Takayuki Mizuno
Takayuki Mizuno, Kanagawa-Ken JP
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20090263084 | ARRAYED WAVEGUIDE GRATING CIRCUIT - Two AWG circuits are integrated while preventing degradation in quality of a multiplexing/demultiplexing function. An arrayed waveguide grating circuit includes: a first slab waveguide ( | 10-22-2009 |
20110103736 | POLARIZATION-INDEPENDENT WAVEGUIDE-TYPE OPTICAL INTERFERENCE CIRCUIT - A Mach-Zehnder interferometer circuit ( | 05-05-2011 |
20120063716 | Wideband Interferometer Type Polarized Light Combiner and Splitter - A interferometer type polarization beam combiner and splitter, which can combine or split polarized light over a wide band, is provided. The interferometer type polarization beam combiner and splitter includes: an optical splitter; an optical coupler; an optical path length difference imparting unit, which includes a plurality of optical waveguides arranged between the optical splitting unit and the optical coupling unit; one or two input/output ports connected to the optical splitter; and two input/output ports connected to the optical coupler. A half-integer of a wavelength of λc is set as a normalized phase difference, for the optical path length difference imparting unit, between two polarization states, and means for generating a difference in refractive index dispersion is provided between the optical waveguides of the optical path length difference imparting unit, so that the change rate of the transmittance with respect to wavelength is suppressed for the two polarization states. | 03-15-2012 |
Takayuki Mizuno, Shizuoka-Ken JP
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20100332653 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - According to one embodiment, an image forming apparatus includes a unit configured to transmit input authentication information of a user or a department to a server apparatus, a unit configured to acquire setting information input, concerning a job allocated to the authenticated user or department, a unit configured to transmit the setting information to the server apparatus and request the sever apparatus to permit printing, a unit configured to receive a provisional limited number of printed sheets from the server apparatus and execute printing, a unit configured to request transmission of a new provisional limited number of printed sheets, a unit configured to receive the new provisional limited number of printed sheets from the server apparatus and execute the printing, and a unit configured to transmit the number of printed sheets to the server apparatus in a predetermined case. | 12-30-2010 |
Takayuki Mizuno, Mishima-Shi JP
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20090092402 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus which forms an image and exchanges information to and from an external apparatus includes a replacement detection unit to detect that a consumable constituting the image forming apparatus is replaced, a temporary information storage unit to store, when the replacement detection unit detects that the consumable is replaced, replacement achievement information of the consumable as temporary information indicating that the replacement is temporary into a storage unit, and a formal information storage unit to store, when a specified condition is established, the temporary information as formal information indicating that the replacement is confirmed into the storage unit. | 04-09-2009 |
Takayuki Mizuno, Akishima JP
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20080218185 | PROBE NAVIGATION METHOD AND DEVICE AND DEFECT INSPECTION DEVICE - A probe navigation method, a navigation device, and a defect inspection device wherein in a charged particle beam system provided with probes for electrical characteristics evaluation, probing can be easily carried out regardless of the equipment user's level of skill are provided. To attain this object, probes and a test piece stage on which a test piece is placed are driven by independent driving means. Further, a large stage driving means which integrally drives the probes and the test piece stage is provided. In addition, CAD navigation is adopted. This enhances the equipment users' convenience during probing. | 09-11-2008 |
Takayuki Mizuno, Atsugi-Shi JP
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20130301976 | WAVEGUIDE-TYPE POLARIZATION BEAM SPLITTER - Provided is a waveguide-type polarization beam splitter in which deterioration of a polarization extinction ratio due to temperature change and wavelength change is suppressed. A groove is formed to extend across a pair of optical waveguide arms and two quarter wave plates are provided in the groove to extend respectively across the arms. Polarization axes of the quarter wave plates are orthogonal to each other. A first optical coupler which gives a phase difference of 0° or 180° between coupled or split light beams and a second optical coupler which gives a phase difference of 90° or −90° between coupled or split light beams are used in combination. | 11-14-2013 |
20130301977 | WAVEGUIDE-TYPE POLARIZATION BEAM SPLITTER - Provided is a waveguide-type polarization beam splitter in which deterioration of a polarization extinction ratio due to temperature change and wavelength change is suppressed. The waveguide-type polarization beam splitter includes: input optical waveguides; a first multimode interference optical coupler; a pair of optical waveguide arms; a second multimode interference optical coupler; and output optical waveguides. A quarter wavelength delay is provided in one of the pair of optical waveguide arms, a groove is formed to extend across both of the pair of optical waveguide arms, and two quarter wave plates are provided in the groove to extend respectively across the arms. Polarization axes of the respective quarter wave plates are orthogonal to each other. | 11-14-2013 |
20140376861 | ARRAYED WAVEGUIDE GRATING, OPTICAL MODULE PROVIDED WITH SAID ARRAYED WAVEGUIDE GRATING, AND OPTICAL COMMUNICATIONS SYSTEM - An arrayed waveguide grating provided with a first slab waveguide formed on a substrate; a second slab waveguide formed on the substrate; a first input/output waveguide connected to the first slab waveguide; a second input/output waveguide connected to the second slab waveguide; two or more channel waveguide groups connecting the first and second slab waveguides, each of the channel waveguide groups formed of an aggregate of a plurality of channel waveguides having path lengths sequentially becoming longer by a predetermined path length difference; and an optical filter arranged in at least one of the first and second slab waveguides. | 12-25-2014 |
Takayuki Mizuno, Los Altos, CA US
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20130339034 | SYSTEM AND METHOD FOR EFFICIENTLY TRANSLATING MEDIA FILES BETWEEN FORMATS USING A UNIVERSAL REPRESENTATION - An apparatus and method are described for reading a file into a universal representation and translating from that universal representation into various file formats. For example, a method according to one embodiment comprises: reading compressed audio data from a first audio file, the first audio file comprising audio data compressed using a first compression algorithm and bookkeeping data having a first format, the bookkeeping data specifying a location of the compressed audio data within the first audio file; and generating a universal representation of the first audio file without decompressing and recompressing the audio data, the universal representation having bookkeeping data of a second format specifying the location of compressed audio data within the universal representation. | 12-19-2013 |
20140071343 | ENHANCED CLOSED CAPTION FEATURE - Adjustments to the closed caption component of video content may be implemented by identifying text elements within the closed caption text component of a video stream and to properly adjust the appearance of the text elements. Embodiments described herein provide a method for detecting and correcting text elements that have spacing conflicts as a result of a size or other appearance adjustment. If the correction of a conflict results in a new conflict, such conflicts may be detected and one or more text elements grouped to form a new text element that may then be adjusted. | 03-13-2014 |
Takayuki Mizuno, Okazaki-Shi JP
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20160114987 | CASSETTE-TYPE NOZZLE EXCHANGING UNIT AND REPLACEMENT SYSTEM THEREOF - A revolving nozzle station and a revolving drive device that revolves the revolving nozzle station are housed inside a cassette case of a cassette-type nozzle exchanging unit. In an outer circumferential portion of the revolving nozzle station, multiple nozzles for exchange with a nozzle of component mounter are arranged radially along a revolution path, and the nozzles are held in a detachable manner. A nozzle exchange port is formed in a top end surface of cassette case, and nozzle exchange is performed between the revolving nozzle station and a mounting head of the component mounter through the nozzle exchange port. A shutter mechanism which opens and closes the nozzle exchange port is provided in the cassette case. | 04-28-2016 |