Patents by Inventor Nobuyuki Takeda
Nobuyuki Takeda 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: 11936210Abstract: A power transmission apparatus includes a controller that controls a power transmitter that performs wireless power transmission. The controller is configured to: cause the processor to: cause the power transmitter to emit a first power transmission beam for which a first power is set; acquire feedback information on a result of reception of the first power transmission beam in a power reception apparatus; identify a power receiving capability in the power reception apparatus; and determine, with reference to the power receiving capability and the reception result, a second power which is usable in wireless power supply for the power reception apparatus and which is larger than the first power. The power receiving capability includes a maximum value of an input power range of the power reception apparatus. The wireless power transmission uses an electromagnetic wave having a frequency equal to or higher than that of a microwave.Type: GrantFiled: November 30, 2021Date of Patent: March 19, 2024Assignee: Space Power Technologies Inc.Inventors: Nobuyuki Takabayashi, Atsushi Kishimoto, Minoru Furukawa, Takuji Morita, Yuji Takeda
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Patent number: 9695348Abstract: Provided is a working medium of the present invention for absorption refrigerators is a mixture that is to contact a carbon steel or a copper alloy that is a structural material of any one of the absorption refrigerators, and includes water and 1,4-dioxane, and further includes a corrosion inhibitor. The corrosion inhibitor includes one or more selected from the group consisting of respective hydroxides of any alkali metal and any alkaline earth metal, and respective oxoates. Thus, corrosion of the structural material of the absorption refrigerator can be restrained.Type: GrantFiled: September 10, 2015Date of Patent: July 4, 2017Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.Inventors: Katsumi Mabuchi, Tatsuo Fujii, Nobuyuki Takeda
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Publication number: 20160075928Abstract: Provided is a working medium of the present invention for absorption refrigerators is a mixture that is to contact a carbon steel or a copper alloy that is a structural material of any one of the absorption refrigerators, and includes water and 1,4-dioxane, and further includes a corrosion inhibitor. The corrosion inhibitor includes one or more selected from the group consisting of respective hydroxides of any alkali metal and any alkaline earth metal, and respective oxoates. Thus, corrosion of the structural material of the absorption refrigerator can be restrained.Type: ApplicationFiled: September 10, 2015Publication date: March 17, 2016Applicants: HITACHI APPLIANCES, INC., HITACHI, LTD.Inventors: Katsumi MABUCHI, Tatsuo FUJII, Nobuyuki TAKEDA
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Patent number: 9068740Abstract: A sunlight heat utilized steam absorption chiller is provided with a generator which uses steam generated by sunlight heat as a heat source, an absorber, an evaporator, and a condenser, and has a heat exchanger for allowing heat exchange between a dilute solution flowing from the absorber to the generator and a strong solution flowing from the generator to the absorber. The chiller is provided with a burning heat source for generating steam, and either the steam generated by the burning heat source or the steam generated using sunlight heat can be used as the heat source for the generator. The chiller is provided with a steam drain heat recovery unit for allowing heat exchange between at least part of the dilute solution flowing from the absorber to the generator and a steam drain discharged from the generator so as to allow heat recovery from the steam drain.Type: GrantFiled: May 11, 2012Date of Patent: June 30, 2015Assignee: HITACHI, LTD.Inventors: Nobuyuki Takeda, Shuichiro Uchida, Jun Yoshida, Shinichirou Kawane
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Publication number: 20120285189Abstract: A sunlight heat utilized steam absorption chiller is provided with a generator which uses steam generated by sunlight heat as a heat source, an absorber, an evaporator, and a condenser, and has a heat exchanger for allowing heat exchange between a dilute solution flowing from the absorber to the generator and a strong solution flowing from the generator to the absorber. The chiller is provided with a burning heat source for generating steam, and either the steam generated by the burning heat source or the steam generated using sunlight heat can be used as the heat source for the generator. The chiller is provided with a steam drain heat recovery unit for allowing heat exchange between at least part of the dilute solution flowing from the absorber to the generator and a steam drain discharged from the generator so as to allow heat recovery from the steam drain.Type: ApplicationFiled: May 11, 2012Publication date: November 15, 2012Inventors: Nobuyuki TAKEDA, Shuichiro Uchida, Jun Yoshida, Shinichirou Kawane
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Patent number: 8238657Abstract: A computer readable storage medium storing instructions of a computer program which when executed by a computer results in performance of steps including inputting a first image and a second image from two cameras of three or more cameras, respectively, transforming the first image to a transformed image, obtaining a degree of similarity D indicating a similarity between an image in a processing region established in the second image and an image in a corresponding processing region established in the first image, obtaining a degree of similarity P indicating a similarity between an image in the processing region established in the second image and an image in a corresponding processing region established in the transformed image, detecting the obstacle based on the degree of similarity D and the degree of similarity P on a reference plane region, and selecting and outputting either a result of detection of a plurality of the obstacles or a position of an obstacle detected as being the closest to the three orType: GrantFiled: May 18, 2007Date of Patent: August 7, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi
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Patent number: 8099461Abstract: According to one embodiment, a conference system which is provided with a plurality of communication terminals, a communication network connecting the plurality of communication terminals thereto and forming a communication environment, and a server apparatus actualizing a conference among users by using the communication network, wherein each of the communication terminals includes a notice processor notifying an acquisition request including the fact of a request to acquire multimedia data and identification information to the server apparatus, and a storage unit storing the multimedia data, and the server apparatus includes a memory unit associating a communication terminal that is a request origin with the identification information, and storing them, an inquiry processor inquiring a possibility to become the route of the multimedia data, and a transmission processor transmitting the multimedia data to the communication terminal of the request origin via the communication terminal of the route.Type: GrantFiled: November 27, 2007Date of Patent: January 17, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Fumikazu Matsukawa, Shigeru Fukazawa, Yasumasa Sasaki, Koji Shima, Nobuyuki Takeda
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Patent number: 8081738Abstract: According to one embodiment, an apparatus accommodates a telephone terminal and an emergency call terminal, wherein the telephone terminal is associated with the first video camera and a first display, the emergency call terminal is associated with a second video camera and a second display, and the apparatus further includes a determination processor determines whether or not a call generated from the telephone terminal is an emergency call, a visual link former forms an image communication link between the first video camera and the second display to display an image captured by the first video camera on the second display if the determination processor determines the call is the emergency call, and a voice link former forms a voice communication link between the telephone terminal and the emergency call terminal when the emergency call terminal performs a response to the call after the image communication link is formed.Type: GrantFiled: March 13, 2008Date of Patent: December 20, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Yasumasa Sasaki, Koji Shima
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Patent number: 7706572Abstract: An obstacle detection system using stereo cameras mounted on a vehicle, to detect an obstacle existing on a ground plane at a high speed and in a high precision even with the stereo cameras being uncalibrated and with a vibration during a traveling and a change in the inclination of the ground plane. The obstacle detection system comprises: a plurality of uncalibrated TV cameras for inputting stereo images; an image storage unit 2 for storing a plurality of images inputted from the TV cameras; a feature extraction unit 3 for extracting a plurality of mutually parallel lines existing on the ground plane; a parameter computation unit 4 for determining a relation to hold between the projected positions of an arbitrary point of the ground plane upon the individual images, from the plurality of lines extracted by the feature extraction unit 3; and a detection unit 5 for detecting an object having a height from the ground plane, by using the relation determined by the parameter computation unit 4.Type: GrantFiled: February 8, 2008Date of Patent: April 27, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Hattori, Kazunori Onoguchi, Nobuyuki Takeda
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Patent number: 7492964Abstract: A computer readable storage medium storing instructions of a computer program which when executed by a computer results in performance of steps including inputting a first image and a second image from two cameras, respectively, transforming the first image to a transformed image, obtaining a degree of similarity D indicating similarity between an image in a processing region established in the second image and an image in a corresponding processing region established in the first image, obtaining a degree of similarity P indicating a similarity between an image in the processing region established in the second image and an image in a corresponding processing region established in the transformed image, detecting the obstacle based on of the degree of similarity D and the degree of similarity P on a reference plane region, detecting the obstacle on a basis of the degree of similarity D and the degree of similarity P on a reference plane region, obtaining a difference K between the degree of similarity D andType: GrantFiled: May 18, 2007Date of Patent: February 17, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi
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Publication number: 20080260111Abstract: According to one embodiment, an apparatus accommodates a telephone terminal and an emergency call terminal, wherein the telephone terminal is associated with the first video camera and a first display, the emergency call terminal is associated with a second video camera and a second display, and the apparatus further includes a determination processor determines whether or not a call generated from the telephone terminal is an emergency call, a visual link former forms an image communication link between the first video camera and the second display to display an image captured by the first video camera on the second display if the determination processor determines the call is the emergency call, and a voice link former forms a voice communication link between the telephone terminal and the emergency call terminal when the emergency call terminal performs a response to the call after the image communication link is formed.Type: ApplicationFiled: March 13, 2008Publication date: October 23, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Nobuyuki Takeda, Yasumasa Sasaki, Koji Shima
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Patent number: 7436430Abstract: A plurality of cameras respectively input an image from different camera positions. The plurality of cameras is on a moving object. An image memory stores a plurality of images input by the plurality of cameras. An image transformation unit transforms one image input by a first camera using each of a plurality of transformation parameters each representing a geometrical relationship among a predetermined plane, the first camera, and a second camera, and generates a plurality of transformed images from a view position of the second camera. A matching processing unit compares each of the plurality of transformed images with another image input by the second camera for each area consisting of pixels, and calculates a coincidence degree of each area between each transformed image and another image. An obstacle detection unit detects an obstacle area consisting of areas each having a coincidence degree below a threshold from another image.Type: GrantFiled: August 23, 2004Date of Patent: October 14, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi
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Patent number: 7428344Abstract: A computer readable storage medium storing instructions of a computer program which when executed by a computer results in performance of steps including inputting a first image and a second image from two cameras, respectively, transforming the first image to a transformed image, obtaining a degree of similarity D indicating similarity between an image in a processing region established in the second image and an image in a corresponding processing region established in the first image, obtaining a degree of similarity P indicating a similarity between an image in the processing region established in the second image and an image in a corresponding processing region established in the transformed image, detecting the obstacle based on of the degree of similarity D and the degree of similarity P on a reference plane region, detecting the obstacle on a basis of the degree of similarity D and the degree of similarity P on a reference plane region, obtaining a difference K between the degree of similarity D andType: GrantFiled: May 18, 2007Date of Patent: September 23, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi
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Patent number: 7421148Abstract: A computer readable storage medium storing instructions of a computer program which when executed by a computer results in performance of steps including inputting a first image and a second image from two cameras, respectively, transforming the first image to a transformed image, obtaining a degree of similarity D indicating similarity between an image in a processing region established in the second image and an image in a corresponding processing region established in the first image, obtaining a degree of similarity P indicating a similarity between an image in the processing region established in the second image and an image in a corresponding processing region established in the transformed image, detecting the obstacle based on of the degree of similarity D and the degree of similarity P on a reference plane region, and determining a width and a height of the processing region on the basis of a position in the vertical direction on the second image.Type: GrantFiled: May 18, 2007Date of Patent: September 2, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi
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Patent number: 7400746Abstract: A method for detecting an obstacle by using two cameras of three or more cameras, the obstacle being on a reference plane in a field of view common to the two cameras, the method inputting a first image and a second image from the two cameras, respectively, transforming the first image to a transformed image, obtaining a degree of similarity D indicating a similarity between an image in a processing region established in the second image and an image in a corresponding processing region established in the first image, obtaining a degree of similarity P indicating a similarity between an image in the processing region established in the second image and an image in a corresponding processing region established in the transformed image, detecting the obstacle based on the degree of similarity D and the degree of similarity P on a reference plane region, and selecting and outputting either a result of detection of a plurality of the obstacles or a position of an obstacle detected as being the closest to the threType: GrantFiled: May 23, 2007Date of Patent: July 15, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi
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Patent number: 7391883Abstract: A method for detecting an obstacle by using two cameras, the obstacle being on a reference plane in a field of view common to the two cameras, the method inputting a first image and a second image from the two cameras, respectively, transforming the first image to a transformed image, obtaining a degree of similarity D indicating a similarity between an image in a processing region established in the second image and an image in a corresponding processing region established in the first image, obtaining a degree of similarity P indicating a similarity between an image in the processing region established in the second image and an image in a corresponding processing region established in the transformed image, detecting the obstacle based on of the degree of similarity D and the degree of similarity P on a reference plane region, obtaining a difference K between the degree of similarity D and the degree of similarity P both obtained as being on the reference plane region, judging that the obstacle is at a posType: GrantFiled: May 23, 2007Date of Patent: June 24, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi
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Publication number: 20080144926Abstract: An obstacle detection system using stereo cameras mounted on a vehicle, to detect an obstacle existing on a ground plane at a high speed and in a high precision even with the stereo cameras being uncalibrated and with a vibration during a traveling and a change in the inclination of the ground plane. The obstacle detection system comprises: a plurality of uncalibrated TV cameras for inputting stereo images; an image storage unit 2 for storing a plurality of images inputted from the TV cameras; a feature extraction unit 3 for extracting a plurality of mutually parallel lines existing on the ground plane; a parameter computation unit 4 for determining a relation to hold between the projected positions of an arbitrary point of the ground plane upon the individual images, from the plurality of lines extracted by the feature extraction unit 3; and a detection unit 5 for detecting an object having a height from the ground plane, by using the relation determined by the parameter computation unit 4.Type: ApplicationFiled: February 8, 2008Publication date: June 19, 2008Applicant: Kabushiki Kaisha ToshibaInventors: Hiroshi HATTORI, Kazunori Onoguchi, Nobuyuki Takeda
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Patent number: 7389000Abstract: A method for detecting an obstacle by using two cameras, the obstacle being on a reference plane in a field of view common to the two cameras, the method inputting a first image and a second image from the two cameras, respectively, transforming the first image to a transformed image, obtaining a degree of similarity D indicating a similarity between an image in a processing region established in the second image and an image in a corresponding processing region established in the first image, obtaining a degree of similarity P indicating a similarity between an image in the processing region established in the second image and an image in a corresponding processing region established in the transformed image, detecting the obstacle based on the degree of similarity D and the degree of similarity P on a reference plane region, detecting the obstacle on a basis of the degree of similarity D and the degree of similarity P on a reference plane region, obtaining a difference K between the degree of similarity D aType: GrantFiled: May 23, 2007Date of Patent: June 17, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi
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Publication number: 20080137559Abstract: According to one embodiment, a conference system includes: plural terminals that communicate with each other through a communication network; a server that performs a call control for the terminals; and a conference unit that implements a conference among the terminals through the communication network. At least one of the terminals includes a user interface section that accepts an input operation of mode information regarding terminals to participate in the conference and a notification section that notifies the server of the specified mode. The server includes a detection section that detects a remaining amount of a resource of the conference unit necessary to implement the conference and a member determination section that determines plural members to participate in the conference from among the terminals, based on the mode notified by the notification section and the remaining amount of the resource.Type: ApplicationFiled: September 19, 2007Publication date: June 12, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yasumasa SASAKI, Shigeru FUKAZAWA, Nobuyuki TAKEDA, Fumikazu MATSUKAWA
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Patent number: 7382934Abstract: A method for detecting an obstacle by using two cameras, the obstacle being on a reference plane in a field of view common to the two cameras, the method inputting a first image and a second image from the two cameras, respectively, transforming the first image to a transformed image, obtaining a degree of similarity D indicating a similarity between an image in a processing region established in the second image and an image in a corresponding processing region established in the first image, obtaining a degree of similarity P indicating a similarity between an image in the processing region established in the second image and an image in a corresponding processing region established in the transformed image, detecting the obstacle based on the degree of similarity D and the degree of similarity P on a reference plane region, and determining a width and a height of the processing region on the basis of a position in the vertical direction on the second image.Type: GrantFiled: May 23, 2007Date of Patent: June 3, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Nobuyuki Takeda, Hiroshi Hattori, Kazunori Onoguchi