Patents by Inventor Ryujiro Fujita
Ryujiro Fujita 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: 9528892Abstract: There is provided a measuring device capable of measuring a propulsion force and a loss force by using a simple method. A first detection circuit that is a bridge circuit, to which a first strain gauge and a second strain gauge disposed such that detection directions are parallel to a longitudinal direction of a crank are connected, detecting bending deformation x occurring in the crank, and a second detection circuit that is a bridge circuit, to which a third strain gauge disposed such that a detection direction is parallel to the longitudinal direction of the crank and a fourth strain gauge disposed such that a detection direction is perpendicular to the longitudinal direction of the crank are connected, detecting bending deformation y and tensile deformation z occurring in the crank are included.Type: GrantFiled: January 11, 2013Date of Patent: December 27, 2016Assignee: PIONEER CORPORATIONInventors: Yasuteru Kodama, Nobuo Mioka, Ryujiro Fujita, Takehiko Shioda
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Publication number: 20150355042Abstract: There is provided a measuring device capable of measuring a propulsion force and a loss force by using a simple method. A first detection circuit that is a bridge circuit, to which a first strain gauge and a second strain gauge disposed such that detection directions are parallel to a longitudinal direction of a crank are connected, detecting bending deformation x occurring in the crank, and a second detection circuit that is a bridge circuit, to which a third strain gauge disposed such that a detection direction is parallel to the longitudinal direction of the crank and a fourth strain gauge disposed such that a detection direction is perpendicular to the longitudinal direction of the crank are connected, detecting bending deformation y and tensile deformation z occurring in the crank are included.Type: ApplicationFiled: January 11, 2013Publication date: December 10, 2015Applicant: PIONEER CORPORATIONInventors: Yasuteru KODAMA, Nobuo MIOKA, Ryujiro FUJITA, Takehiko SHIODA
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Patent number: 9182304Abstract: A power meter includes a first measurement unit 7 that measures a force applied to a first pedal B322 and calculates predetermined first information (power and/or torque) on the first pedal B322, and a second measurement unit 6 that measures a force applied to a second pedal B321 and calculates second information (power and/or torque) on the second pedal B321, which is the same kind of the first information. The first measurement unit 7 transmits first information data indicating the first information to the second measurement unit 6, and the second measurement unit 6 adds the first information to the second measurement information and transmits an added value data indicating an added value obtained by adding the first information to the second information.Type: GrantFiled: September 30, 2011Date of Patent: November 10, 2015Assignee: PIONEER CORPORATIONInventors: Tsuyoshi Namiki, Ryujiro Fujita, Takehiko Shioda, Akio Fukushima, Yasuteru Kodama, Ryushin Kametani
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Patent number: 9010201Abstract: A measurement module that measures force being applied to a man-powered machine includes: a strain sensor that detects strain of a crank of the bicycle configured to transmit force being applied from a user through the crank and one front gear selected among one or more front gears; an MM magnetic sensor that detects the crank passing through a predetermined position; and an MM control part. The MM control part calculates a rotation angle of the crank based on an elapsed time from a time the crank passes through the predetermined position that the sensor has detected, calculates force applied to the crank based on a strain amount of the crank that the strain sensor has detected, associates the rotation angle with the force applied to the crank to calculate distribution of the force applied from the user.Type: GrantFiled: October 22, 2010Date of Patent: April 21, 2015Assignee: Pioneer CorporationInventors: Yasuteru Kodama, Ryujiro Fujita, Takehiko Shioda, Ryushin Kametani
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Publication number: 20140283622Abstract: There are provided a versatile power meter, a power measurement method, a program and a recording medium. The power meter includes a first measurement unit 7 that measures a force applied to a first pedal B322 and calculates predetermined first information (power and/or torque) on the first pedal B322, and a second measurement unit 6 that measures a force applied to a second pedal B321 and calculate second information (power and/or torque) on the second pedal B321, which is the same kind of the first information. The first measurement unit 7 transmits first information data indicating the first information to the second measurement unit 6, and the second measurement unit 6 adds the first information to the second measurement information and transmits an added value data indicating an added vale obtained by adding the first information to the second information.Type: ApplicationFiled: September 30, 2011Publication date: September 25, 2014Applicant: PIONEER CORPORATIONInventors: Tsuyoshi Namiki, Ryujiro Fujita, Takehiko Shioda, Akio Fukushima, Yasuteru Kodama, Ryushin Kametani
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Publication number: 20130205916Abstract: A measurement module that measures force being applied to a man-powered machine includes: a strain sensor that detects strain of a crank of the bicycle configured to transmit force being applied from a user through the crank and one front gear selected among one or more front gears; an MM magnetic sensor that detects the crank passing through a predetermined position; and an MM control part. The MM control part calculates a rotation angle of the crank based on an elapsed time from a time the crank passes through the predetermined position that the sensor has detected, calculates force applied to the crank based on a strain amount of the crank that the strain sensor has detected, associates the rotation angle with the force applied to the crank to calculate distribution of the force applied from the user.Type: ApplicationFiled: October 22, 2010Publication date: August 15, 2013Applicant: PIONEER CORPORATIONInventors: Yasuteru Kodama, Ryujiro Fujita, Takehiko Shioda, Ryushin Kametani
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Publication number: 20130210583Abstract: There are provided a pedaling-goal setting apparatus, a pedaling-goal setting method, a pedaling-goal setting program and a recording medium having the pedaling-goal setting program storing thereon. The pedal-goal setting apparatus includes a riding posture detection sensor 5 that detects the riding posture of the cyclist, a slope detection sensor 6 that detects the slope of the ground, and the running manner detection sensor 7 that detects the running manner of the cyclist. A cycle computer 1 connected to these sensors calculates the optimal target value based on signals transmitted from these sensors 5 to 7 and target data, and displays the optimal target value on a display part 2, as a benchmark to correct pedaling.Type: ApplicationFiled: October 29, 2010Publication date: August 15, 2013Applicant: PIONEER CORPORATIONInventors: Ryushin Kametani, Ryujiro Fujita, Takehiko Shioda, Yasuteru Kodama
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Patent number: 8310545Abstract: A road view analyzing apparatus and a road view analyzing method that can obtain an accurate analysis result on a road view in front of a vehicle are provided. The road view analyzing apparatus includes a camera that is mounted on the vehicle to photograph a view in front of the vehicle, image dividing means for dividing the image of the view in front of the vehicle photographed by the camera into a plurality of areas with diagonal lines, and analyzing means for separately analyzing content of the image in each of the plurality of areas.Type: GrantFiled: March 15, 2005Date of Patent: November 13, 2012Assignee: Pioneer CorporationInventors: Ryujiro Fujita, Hiroto Inoue, Naohiko Ichihara, Takehiko Shioda
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Publication number: 20120239290Abstract: A bicycle map is displayed on a screen. The bicycle map includes travel route information obtained by associating map information and cyclist information regarding bicycle travel routes. First, bicycle positional information regarding a bicycle being running is acquired, by use of a positioning system and also bicycle-related information when the bicycle positional information is acquired. Second, travel route information obtained by associating the bicycle positional information with the bicycle-related information is created and stored in a storage device. Then, pieces of travel route information created by the same or different information processing apparatuses are merged, and merged running route information is displayed with the map information on the screen.Type: ApplicationFiled: December 2, 2009Publication date: September 20, 2012Applicant: PIONEER CORPORATIONInventor: Ryujiro Fujita
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Patent number: 8233054Abstract: A scenery imaging apparatus includes a dividing unit that divides, into plural cells, a scenery image captured in an arbitrary direction, as an initial scenery image, by an image capturing unit; a calculating unit that calculates respective distances to portions of initial scenery respectively corresponding to the cells; a determining unit that determines an image capturing direction based on the distances calculated by the calculating unit; and a judging unit that judges, based on the distances calculated by the calculating unit, whether a portion of the initial scenery corresponding to a cell is a distant view. The determining unit further determines the image capturing direction based on a portion judged to be a distant view.Type: GrantFiled: September 25, 2006Date of Patent: July 31, 2012Assignee: Pioneer CorporationInventors: Ryujiro Fujita, Kohei Ito
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Patent number: 8170284Abstract: An apparatus and a method for displaying an image of a view in front of a vehicle, each of which detects edges in a monochrome image obtained by a camera, which is mounted on the vehicle and photographs a view in front of the vehicle, to generate an edge image indicative of the detected edges only, determines an object forming an area surrounded with edges in the edge image; and assigns a color to the determined object for each edge-surrounded area of the edge image in order to make an estimated color image.Type: GrantFiled: December 27, 2005Date of Patent: May 1, 2012Assignee: Pioneer CorporationInventor: Ryujiro Fujita
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Patent number: 8160772Abstract: A drive control apparatus (100) uses a calculating unit (103) to calculate a danger index indicative of the possibility of occurrence of a dangerous event for a mobile body based on information of the mobile body acquired by an information acquiring unit (101). A notifying unit (104) notifies a passenger of the possibility of occurrence of a dangerous event for the mobile body. A control unit (106) controls a driving unit (102) to stop the drive if a determining unit (105) determines that the danger index is greater than a predetermined value.Type: GrantFiled: September 28, 2006Date of Patent: April 17, 2012Assignee: Pioneer CorporationInventors: Kohei Ito, Ryujiro Fujita
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Patent number: 8086046Abstract: An image corresponding to image data obtained by imaging by a camera is divided into a plurality of image pieces and each of the image pieces is subjected to a color analysis process, a fractal dimension analysis process, and an artificial object amount recognition process. According to a combination of the results obtained by the three processes, a part of a landscape contained in each of the image pieces is classified and the entire characteristic of the landscape contained in the image is judged according to the classification result.Type: GrantFiled: June 27, 2006Date of Patent: December 27, 2011Assignee: Pioneer CorporationInventor: Ryujiro Fujita
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Publication number: 20110043635Abstract: A vehicle driving evaluation apparatus (1) is provided with: a behavior detecting device (101) for detecting a behavior of a vehicle a driver is driving; a driving analyzing device (103) for analyzing an aspect of driving of the driver on the basis of the behavior of the vehicle; a road analyzing device (106) for analyzing condition of a road on which the vehicle travels; and a travel situation evaluating device (107) for evaluating a travel situation of the vehicle on the basis of the aspect of the driving of the driver and the conditions of the road on which the vehicle travels.Type: ApplicationFiled: February 28, 2008Publication date: February 24, 2011Inventors: Ryujiro Fujita, Kohei Ito
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Patent number: 7818123Abstract: A routing guide system has memory means provided outside a mobile body for storing data of images at a plurality of guide points. The routing guide system also has distance measuring means for measuring the distance from the current position of the mobile body to the next guide point. The routing guide system also has image request generation means for generating an image request for the next guide point when the distance measured by the distance measuring means is not more than a first predetermined distance. The routing guide system also has transmission means provided outside the mobile body for reading from the memory means an image of the next guide point in response to the image request and for transmitting that image to the mobile body. The routing guide system also has display control means for causing the mobile body to receive the image transmitted from the transmission means and causing a display device to display the image.Type: GrantFiled: March 15, 2005Date of Patent: October 19, 2010Assignee: Pioneer CorporationInventors: Hiroto Inoue, Ryujiro Fujita, Naohiko Ichihara, Takehiko Shioda
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Publication number: 20100094502Abstract: A drive control apparatus (100) uses a calculating unit (103) to calculate a danger index indicative of the possibility of occurrence of a dangerous event for a mobile body based on information of the mobile body acquired by an information acquiring unit (101). A notifying unit (104) notifies a passenger of the possibility of occurrence of a dangerous event for the mobile body. A control unit (106) controls a driving unit (102) to stop the drive if a determining unit (105) determines that the danger index is greater than a predetermined value.Type: ApplicationFiled: September 28, 2006Publication date: April 15, 2010Inventors: Kohei Ito, Ryujiro Fujita
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Publication number: 20100085440Abstract: In a scenery imaging apparatus (100), an image capturing unit (101) captures a scenery image in an arbitrary direction. A dividing unit (102) divides an initial scenery image captured by the image capturing unit (101) in an arbitrary direction into plural cells. A calculating unit (103) calculates a distance to a portion of the initial scenery corresponding to each cell generated from the division by the dividing unit (102). A determining unit (104) determines an image capturing direction using the distances calculated by the calculating unit (103).Type: ApplicationFiled: September 25, 2006Publication date: April 8, 2010Inventors: Ryujiro Fujita, Kohei Ito
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Patent number: 7676325Abstract: A road landscape map producing apparatus loaded on a movable body for producing a road landscape map including road landscape information showing a surrounding landscape with road landscape classification items obtained by classifying the photographic images of the surrounding landscape into items such as “streetscape”, “forest” and “open road” by way of image processing and based on a geographic position at which the surrounding image is photographed.Type: GrantFiled: March 14, 2006Date of Patent: March 9, 2010Assignee: Pioneer CorporationInventors: Ryujiro Fujita, Naohiko Ichihara, Hiroto Inoue
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Publication number: 20100033571Abstract: A traffic information detecting apparatus includes a camera; a driving unit that is equipped with the camera and defines a shooting direction of the camera; an image processing unit that executes predetermined processing with respect to an image of a traffic signal captured by the camera and detects a state of the traffic signal; and a control unit that drives the driving unit based on a detection result of the image processing unit. The image processing unit further recognizes a light type of the traffic signal from an image of a road along which a vehicle is traveling, the image of the road being captured by the camera; and according to the light type detected by the image processing unit, the control unit drives the driving unit to enable the shooting direction of the camera to be defined.Type: ApplicationFiled: September 28, 2006Publication date: February 11, 2010Inventors: Ryujiro Fujita, Kohei Ito
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Patent number: 7653485Abstract: A routing guide system includes route calculating means for calculating the route of a vehicle to a destination, image providing means for reading from storage means scenery images on the route calculated by the route calculating means, and display means for displaying the scenery images on the calculated route generated by the image providing means. The routing guide system also includes route confirming means for confirming as a set route the route calculated by the route calculating means, according to an operation, during or after display of the scenery images on the calculated route by means of the display means.Type: GrantFiled: March 15, 2005Date of Patent: January 26, 2010Assignee: Pioneer CorporationInventors: Ryujiro Fujita, Hiroto Inoue, Naohiko Ichihara, Takehiko Shioda