Patents by Inventor Tadashi Hayashi
Tadashi Hayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12179365Abstract: A robot system is provided and includes a robot body that performs predetermined work together with a user, and a control device that controls the robot body. The control device selects, in accordance with special information of the user, an action to be performed by the robot body during the predetermined work.Type: GrantFiled: March 1, 2022Date of Patent: December 31, 2024Assignee: Canon Kabushiki KaishaInventor: Tadashi Hayashi
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Publication number: 20230311494Abstract: A liquid ejecting apparatus includes a control circuit substrate that outputs a head control signal for use in controlling an ejection head to a head circuit substrate. The control circuit substrate includes a first buffer circuit having a first buffer and a second buffer. The first buffer circuit can simultaneously write first image data contained in the base image data signal into the first buffer and read second image data contained in the base image data signal from the second buffer. The first buffer circuit writes the first image data into the first buffer at a first frequency and reads the first image data from the first buffer at a second frequency, which is higher than the first frequency. The first buffer circuit writes the second image data into the second buffer at the first frequency and reads the second image data from the second buffer at the second frequency.Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Inventor: Tadashi HAYASHI
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Publication number: 20220281109Abstract: A robot system is provided and includes a robot body that performs predetermined work together with a user, and a control device that controls the robot body. The control device selects, in accordance with special information of the user, an action to be performed by the robot body during the predetermined work.Type: ApplicationFiled: March 1, 2022Publication date: September 8, 2022Inventor: Tadashi Hayashi
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Patent number: 10957003Abstract: An imaging apparatus includes an imaging unit to image an object, an illuminating unit to irradiate light to the object, the illuminating unit having a first light source and a second light source, and a controlling unit. The controlling unit executes a first imaging process for obtaining a first image acquired by imaging, by repetitively executing an imaging operation by imaging the object in a state in which the first light source is off and the second light source is on, during conveyance of the object, a second imaging process for obtaining a second image by imaging the object in a state in which the first light source is on during the conveyance of the object, and a changing-over process for setting a timing for switching from the first imaging process to the second imaging process, on the basis of the first image acquired by imaging.Type: GrantFiled: October 7, 2016Date of Patent: March 23, 2021Assignee: Canon Kabushiki KaishaInventor: Tadashi Hayashi
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Patent number: 10762402Abstract: An image conversion device that performs conversion processing on image data before compression processing is performed includes: a pixel designation unit that sequentially designate, as a second pixel, pixels in a raster line that forms the image data in a direction away from a first pixel, which is a pixel included in the raster line, starting from a pixel adjacent to the first pixel in the raster line as a start point of the designation; an evaluation value calculation unit that calculates, as an evaluation value, an absolute value of a difference between pixel values of the first pixel and the second pixel or a square value of the difference; a determination unit that determines whether or not the evaluation value exceeds a predetermined threshold value; and a conversion unit that calculates a representative value of pixel values from the first pixel to a third pixel that is a pixel adjacent to the second pixel at a side of the first pixel and converts the pixel values from the first pixel to the third piType: GrantFiled: November 14, 2019Date of Patent: September 1, 2020Assignee: Seiko Epson CorporationInventors: Masakazu Isomura, Kiyoshi Kawai, Kohei Utsunomiya, Tadashi Hayashi
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Publication number: 20200160128Abstract: An image conversion device that performs conversion processing on image data before compression processing is performed includes: a pixel designation unit that sequentially designate, as a second pixel, pixels in a raster line that forms the image data in a direction away from a first pixel, which is a pixel included in the raster line, starting from a pixel adjacent to the first pixel in the raster line as a start point of the designation; an evaluation value calculation unit that calculates, as an evaluation value, an absolute value of a difference between pixel values of the first pixel and the second pixel or a square value of the difference; a determination unit that determines whether or not the evaluation value exceeds a predetermined threshold value; and a conversion unit that calculates a representative value of pixel values from the first pixel to a third pixel that is a pixel adjacent to the second pixel at a side of the first pixel and converts the pixel values from the first pixel to the third piType: ApplicationFiled: November 14, 2019Publication date: May 21, 2020Inventors: Masakazu ISOMURA, Kiyoshi KAWAI, Kohei UTSUNOMIYA, Tadashi HAYASHI
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Patent number: 10650293Abstract: A printing apparatus includes an obtaining section that obtains encoded data in which compression is performed, a decoding section that decodes encoded data to obtain image data for printing, and a printing section that performs printing by using image data for printing. The encoded data is encoded data including, for a respective one of the blocks, first compressed data in which quantized values obtained by performing orthogonal transformation for a respective one of N color components are each compressed, and second compressed data in which, by using a dictionary in which a plurality of different colors are registered as indexes, a corresponding one of the indexes associated with the color of each pixel is compressed. The decoding section decodes the first compressed data in N cycles and decodes the second compressed data in one cycle to obtain print data decoded in units of the blocks.Type: GrantFiled: July 23, 2019Date of Patent: May 12, 2020Assignee: Seiko Epson CorporationInventor: Tadashi Hayashi
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Publication number: 20200034674Abstract: A printing apparatus includes an obtaining section that obtains encoded data in which compression is performed, a decoding section that decodes encoded data to obtain image data for printing, and a printing section that performs printing by using image data for printing. The encoded data is encoded data including, for a respective one of the blocks, first compressed data in which quantized values obtained by performing orthogonal transformation for a respective one of N color components are each compressed, and second compressed data in which, by using a dictionary in which a plurality of different colors are registered as indexes, a corresponding one of the indexes associated with the color of each pixel is compressed. The decoding section decodes the first compressed data in N cycles and decodes the second compressed data in one cycle to obtain print data decoded in units of the blocks.Type: ApplicationFiled: July 23, 2019Publication date: January 30, 2020Inventor: Tadashi HAYASHI
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Patent number: 10403451Abstract: A pushbutton switch member has a dome-shaped movable contact and an operation key facing and separated from a movable contact. Pushing the operation key toward the movable contact causes the movable contact to electrically connect at least two contacts on a substrate. The operation key is provided with: a key; a dome connected with an outer periphery of the key, and deformable by pushing of the key toward the substrate; and a foot connected with an outer periphery of the dome, and fixed on the substrate. The movable contact is provided with: an upper contact spaced apart from a site directly below the key, and which makes contact with a contact when the key is pushed in; and an outer fixing part disposed at the upper contact, or further outside thereof in the radial direction, and fixed outside of the key in the radial direction.Type: GrantFiled: June 17, 2016Date of Patent: September 3, 2019Assignee: Shin-Etsu Polymer Co., Ltd.Inventors: Masayuki Ito, Satoru Kitazawa, Kenichi Miyajima, Kazunobu Yokoyama, Tadashi Hayashi
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Patent number: 10373775Abstract: A pushbutton switch includes: a dome-shaped movable contact; and an operation key on a side of the movable contact. Pushing the operation key causes the movable contact to electrically connect at least two contacts. The operation key includes: a key body; a dome connected with an exterior of the key body and deformable by pushing the key body; a foot connected with an exterior of the dome; and a protrusion on top of the key body, protruding from the top, and deformable by compression. The movable contact includes: an upper contact in contact with a site below the key body and contacting the at least two contacts when the key body is pushed; and an outer fixing part at the upper contact in a radial direction and fixed outside of the key body of the operation key in the radial direction.Type: GrantFiled: June 21, 2016Date of Patent: August 6, 2019Assignee: Shin-Etsu Polymer Co., Ltd.Inventors: Masayuki Ito, Satoru Kitazawa, Kenichi Miyajima, Kazunobu Yokoyama, Tadashi Hayashi
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Publication number: 20180308192Abstract: An imaging apparatus includes an imaging unit to image an object, an illuminating unit to irradiate light to the object, the illuminating unit having a first light source and a second light source, and a controlling unit. The controlling unit executes a first imaging process for obtaining a first image acquired by imaging, by repetitively executing an imaging operation by imaging the object in a state in which the first light source is off and the second light source is on, during conveyance of the object, a second imaging process for obtaining a second image by imaging the object in a state in which the first light source is on during the conveyance of the object, and a changing-over process for setting a timing for switching from the first imaging process to the second imaging process, on the basis of the first image acquired by imaging.Type: ApplicationFiled: October 7, 2016Publication date: October 25, 2018Inventor: Tadashi Hayashi
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Publication number: 20180218856Abstract: A pushbutton switch includes: a dome-shaped movable contact; and an operation key on a side of the movable contact. Pushing the operation key causes the movable contact to electrically connect at least two contacts. The operation key includes: a key body; a dome connected with an exterior of the key body and deformable by pushing the key body; a foot connected with an exterior of the dome; and a protrusion on top of the key body, protruding from the top, and deformable by compression. The movable contact includes: an upper contact in contact with a site below the key body and contacting the at least two contacts when the key body is pushed; and an outer fixing part at the upper contact in a radial direction and fixed outside of the key body of the operation key in the radial direction.Type: ApplicationFiled: June 21, 2016Publication date: August 2, 2018Inventors: Masayuki ITO, Satoru KITAZAWA, Kenichi MIYAJIMA, Kazunobu YOKOYAMA, Tadashi HAYASHI
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Publication number: 20180190445Abstract: A pushbutton switch member has a dome-shaped movable contact and an operation key facing and separated from a movable contact. Pushing the operation key toward the movable contact causes the movable contact to electrically connect at least two contacts on a substrate. The operation key is provided with: a key; a dome connected with an outer periphery of the key, and deformable by pushing of the key toward the substrate; and a foot connected with an outer periphery of the dome, and fixed on the substrate. The movable contact is provided with: an upper contact spaced apart from a site directly below the key, and which makes contact with a contact when the key is pushed in; and an outer fixing part disposed at the upper contact, or further outside thereof in the radial direction, and fixed outside of the key in the radial direction.Type: ApplicationFiled: June 17, 2016Publication date: July 5, 2018Inventors: Masayuki ITO, Satoru KITAZAWA, Kenichi MIYAJIMA, Kazunobu YOKOYAMA, Tadashi HAYASHI
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Publication number: 20170264883Abstract: For obtaining two captured images suitable for a monocular stereoscopic method, without stopping the conveyance of a workpiece, a first pixel region is selected during the conveyance of the workpiece, and image capturing is performed. If it is determined that an image of a first mark member has been captured, a first pixel region is selected, and an image of the workpiece is captured. Next, a second pixel region is selected, and image capturing is performed. If it is determined that an image of a second mark member has been captured, a second pixel region is selected, and an image of the workpiece is captured. Through the above imaging operation, two captured images to be used for three-dimensional measurement performed by the monocular stereoscopic method are acquired.Type: ApplicationFiled: March 6, 2017Publication date: September 14, 2017Inventor: Tadashi Hayashi
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Patent number: 9761160Abstract: An image processing device includes: a memory section that has memory areas equivalent to data of k rows of an image; a correction section that corrects data of a given pixel belonging to a row designated by a first counter, out of data stored in the memory section, using data of a pixel in a position designated by an offset vector corresponding to the given pixel; an output section that outputs data corrected by the correction section; and a write section that writes data, out of the image, of a row designated by the second counter into a corresponding memory area of the memory section.Type: GrantFiled: May 29, 2015Date of Patent: September 12, 2017Assignee: SEIKO EPSON CORPORATIONInventor: Tadashi Hayashi
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Patent number: 9679385Abstract: There are provided a three-dimensional measurement apparatus capable of speeding up image processing, and a robot system including the same.Type: GrantFiled: June 27, 2013Date of Patent: June 13, 2017Assignee: Canon Kabushiki KaishaInventors: Hideaki Suzuki, Tadashi Hayashi
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Patent number: 9491359Abstract: An automatic-tracking camera apparatus which is capable of realizing continuous and smooth driving and obtaining an image with little position variation of a tracking target from a target position within the image and with little blur. The position of a camera body is changed by a gimbal device. The speed of a tracking target object at the next-after-next start timing of image acquisition by the camera body is predicted. The gimbal device is controlled so that the camera body reaches the position indicated by a position instruction value generated for the next-after-next start timing of image acquisition by the camera body, at the next-after-next start timing, and the speed of the camera body at the next-after-next start timing of image acquisition by the camera body corresponds to the speed predicted for the next-after-next timing of image acquisition.Type: GrantFiled: April 5, 2012Date of Patent: November 8, 2016Assignee: CANON KABUSHIKI KAISHAInventor: Tadashi Hayashi
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Patent number: 9418435Abstract: A field of view available for stereo measurement is expanded using a field of view other than a common field of view. To this end, a plane (plane e) including a corresponding point (xa) on a sensor plane of a first camera, which corresponds to a feature point (X), a focal position (F1) of the first camera, and a focal position (F2) of the second camera is calculated; a first line (straight line E) that is a line of intersection of the plane (plane e) and a plane including a sensor plane of the second camera is calculated; a second line (straight line G) including a corresponding point group on the sensor plane of the second camera, which corresponds to a feature point group, is calculated; an intersection of the first and second lines is calculated as a corresponding point (xb) on the plane including the sensor plane of the second camera, which corresponds to the feature point (X); and three-dimensional coordinates of the feature point (X) are calculated based on the corresponding points (xa, xb).Type: GrantFiled: November 10, 2010Date of Patent: August 16, 2016Assignee: Canon Kabushiki KaishaInventor: Tadashi Hayashi
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Patent number: 9393696Abstract: A robot system includes a robot body, a camera mounted on the robot body and capable of photographing a work piece; and a control device for driving and controlling the robot body based on a trajectory to an instruction point, which is set in advance, and, when the camera arrives at an area in which the camera is capable of photographing the work piece during this driving and controlling, driving and controlling the robot body so that the camera moves linearly toward the work piece, taking an image of the work piece with the camera while the camera is moving linearly, and measuring a position of the work piece from the taken image.Type: GrantFiled: June 4, 2014Date of Patent: July 19, 2016Assignee: CANON KABUSHIKI KAISHAInventor: Tadashi Hayashi
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Patent number: 9336565Abstract: An image processing device includes: a first memory section that has memory areas equivalent to data of k1 rows of an image and stores data of at least two adjoining pixels in each of the memory areas; a second memory section that has memory areas equivalent to data of k2 rows of the image and stores data of at least two adjoining pixels in a row different from pixels of which data is stored in the first memory section in each of the memory areas; and a correction section that corrects data of an object pixel, out of pixels of r rows×c columns, using data of a plurality of pixels stored in a memory area corresponding to a position designated by an offset vector corresponding to the object pixel in the first and second memory sections.Type: GrantFiled: May 22, 2015Date of Patent: May 10, 2016Assignee: SEIKO EPSON CORPORATIONInventor: Tadashi Hayashi