Patents by Inventor Yasuyuki Mochizuki
Yasuyuki Mochizuki 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: 11921167Abstract: An earth fault detection apparatus includes a switch group configured to switch between a first measurement path including a battery and a capacitor, a second measurement path including the battery, a negative-side insulation resistance, and the capacitor, a third measurement path including the battery, a positive-side insulation resistance, and the capacitor; and a control unit configured to calculate a reference value, based on each charging voltage of the capacitor in each measurement path, and configured to calculate an insulation resistance with reference to a predetermined conversion map, in which the conversion map includes a conversion map corresponding to a capacitance of the capacitor, and the control unit estimates the capacitance of the capacitor, and refers to the conversion map corresponding to the capacitance of the capacitor that has been estimated.Type: GrantFiled: May 24, 2022Date of Patent: March 5, 2024Assignee: YAZAKI CORPORATIONInventors: Yasuyuki Mochizuki, Norio Sudo, Ryosuke Arigaya
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Patent number: 11714140Abstract: A ground fault detection device includes: a detection capacitor; a switch group for switching between a first charging path connecting the battery and the detection capacitor, a second charging path connecting the battery, a negative side insulation resistance and the detection capacitor, a third charging path connecting the battery, a positive side insulation resistance and the detection capacitor, and a measurement path for measuring a charging voltage of the detection capacitor; and a controller configured to calculate the insulation resistance based on a charging voltage measured value of the detection capacitor which exists after charging each of the charging paths, wherein after measurement of the charging voltage of the second charging path, the controller is configured to cause the switch group to switch to the third charging path before switching to the first charging path.Type: GrantFiled: July 26, 2022Date of Patent: August 1, 2023Assignee: YAZAKI CORPORATIONInventors: Yasuyuki Mochizuki, Norio Sudo, Haruhiko Yoshida
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Patent number: 11714119Abstract: An earth fault detection apparatus includes a switch group configured to switch between a first measurement path including a battery and a capacitor, and a second and third measurement paths including the battery, a positive/negative-side insulation resistance, and the capacitor; a reference resistance and a test switch; and a control unit calculating a first reference value based on each charging voltage in a case where the test switch is opened and the capacitor is charged, and calculating the insulation resistance with reference to a conversion map created to correspond to an electrostatic capacitance between a power supply line and ground, wherein the control unit calculates a second reference value based on each charging voltage in a case where the test switch is closed and the capacitor is charged for a shorter time, and estimates the electrostatic capacitance with reference to a predetermined test conversion map.Type: GrantFiled: May 23, 2022Date of Patent: August 1, 2023Assignee: YAZAKI CORPORATIONInventors: Yasuyuki Mochizuki, Norio Sudo, Haruhiko Yoshida, Ryosuke Arigaya
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Patent number: 11698417Abstract: An earth fault detection apparatus includes a switch group configured to switch between a first measurement path including a battery and a capacitor, a second measurement path including the battery, a negative-side insulation resistance, and the capacitor, a third measurement path including the battery, a positive-side insulation resistance, and the capacitor; and a control unit configured to calculate a reference value, based on each charging voltage of the capacitor in each measurement path, and configured to calculate an insulation resistance with reference to a predetermined conversion map, in which the conversion map includes a conversion map corresponding to a capacitance of the capacitor, and the control unit estimates the capacitance of the capacitor, and refers to the conversion map corresponding to the capacitance of the capacitor that has been estimated.Type: GrantFiled: May 24, 2022Date of Patent: July 11, 2023Assignee: YAZAKI CORPORATIONInventors: Yasuyuki Mochizuki, Norio Sudo, Ryosuke Arigaya
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Publication number: 20230048778Abstract: A ground fault detection device includes: a detection capacitor; a switch group for switching between a first charging path connecting the battery and the detection capacitor, a second charging path connecting the battery, a negative side insulation resistance and the detection capacitor, a third charging path connecting the battery, a positive side insulation resistance and the detection capacitor, and a measurement path for measuring a charging voltage of the detection capacitor; and a controller configured to calculate the insulation resistance based on a charging voltage measured value of the detection capacitor which exists after charging each of the charging paths, wherein after measurement of the charging voltage of the second charging path, the controller is configured to cause the switch group to switch to the third charging path before switching to the first charging path.Type: ApplicationFiled: July 26, 2022Publication date: February 16, 2023Applicant: Yazaki CorporationInventors: Yasuyuki MOCHIZUKI, Norio SUDO, Haruhiko YOSHIDA
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Publication number: 20220381812Abstract: An earth fault detection apparatus includes a switch group configured to switch between a first measurement path including a battery and a capacitor, and a second and third measurement paths including the battery, a positive/negative-side insulation resistance, and the capacitor; a reference resistance and a test switch; and a control unit calculating a first reference value based on each charging voltage in a case where the test switch is opened and the capacitor is charged, and calculating the insulation resistance with reference to a conversion map created to correspond to an electrostatic capacitance between a power supply line and ground, wherein the control unit calculates a second reference value based on each charging voltage in a case where the test switch is closed and the capacitor is charged for a shorter time, and estimates the electrostatic capacitance with reference to a predetermined test conversion map.Type: ApplicationFiled: May 23, 2022Publication date: December 1, 2022Applicant: Yazaki CorporationInventors: Yasuyuki MOCHIZUKI, Norio SUDO, Haruhiko YOSHIDA, Ryosuke ARIGAYA
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Publication number: 20220381850Abstract: An earth fault detection apparatus includes a switch group configured to switch between a first measurement path including a battery and a capacitor, a second measurement path including the battery, a negative-side insulation resistance, and the capacitor, a third measurement path including the battery, a positive-side insulation resistance, and the capacitor; and a control unit configured to calculate a reference value, based on each charging voltage of the capacitor in each measurement path, and configured to calculate an insulation resistance with reference to a predetermined conversion map, in which the conversion map includes a conversion map corresponding to a capacitance of the capacitor, and the control unit estimates the capacitance of the capacitor, and refers to the conversion map corresponding to the capacitance of the capacitor that has been estimated.Type: ApplicationFiled: May 24, 2022Publication date: December 1, 2022Applicant: Yazaki CorporationInventors: Yasuyuki MOCHIZUKI, Norio SUDO, Ryosuke ARIGAYA
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Publication number: 20180252754Abstract: An insulation state detection device includes a positive-side input terminal electrically connected to the positive side of a DC power supply, a negative-side input terminal electrically connected to the negative side, a grounding terminal, a detection circuit which operates based on an operation command to detect an insulation resistance in a measurement section, an input terminal to which an operation command signal is input, an output terminal which outputs a detection result signal related to the detection result of the detection circuit, a circuit board to which these components are mounted, and an insulating accommodation member which encloses at least the entire detection circuit and the entire circuit board and is integrally molded with terminal connecting portions so as to expose the terminal connecting portions outward.Type: ApplicationFiled: February 22, 2018Publication date: September 6, 2018Applicant: Yazaki CorporationInventors: Yasuyuki Mochizuki, Hiroaki Takamatsu
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Publication number: 20080205767Abstract: The extraction method and apparatus acquire design data that has a hierarchical structure and is converted into raster data corresponding to drawing onto a substrate and extract from the design data a structural element that composes the design data, is repeatedly described in one hierarchical layer, and satisfies at least one of four extraction conditions concerning a size of the structural element, a number of times of repetition of the structural element in a structural element upper than the structural element, a number of lower structural elements composing the structural element, and a depth of the one hierarchical layer in which the structural element exists.Type: ApplicationFiled: February 13, 2008Publication date: August 28, 2008Applicant: FUJIFILM CorporationInventors: Takashi Hoshino, Takashi Toyofuku, Yasuyuki Mochizuki, Yukihisa Ozaki
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Patent number: 7268506Abstract: The power window system moves a window glass in opening and closing directions in response to operation of an opening and closing instruction switch. The power window system includes a measurement device for obtaining an open degree of the window glass and a control device for controlling movement of the window glass in response to operation of the switch. The control device moves the window glass in the closing direction when an open degree obtained by the measurement device is not less than a predetermined degree and in the opening direction when the open degree is less than the predetermined degree.Type: GrantFiled: June 6, 2005Date of Patent: September 11, 2007Assignee: Yazaki CorporationInventors: Satoshi Nakagawa, Yoshimitsu Maejima, Yasuyuki Mochizuki, Katsuyuki Iwasaki, Susumu Yamamoto
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Patent number: 7196486Abstract: An apparatus for detecting an obstacle to a power regulated window, which can detect existence of an obstacle by a method of differential current at low rotating speed of a motor and reduce a force of biting an obstacle and prevent from detecting an obstacle unexpectedly at high rotating speed, includes current detecting means for detecting a value of load current flowing through the motor, reference-value generating means for generating a reference value correspondingly to rotating speed of the motor for judging when the value of load current exceeds a predetermined value of over-load current, and comparing means for judging whether or not the value of load current exceeds the reference value.Type: GrantFiled: January 2, 2003Date of Patent: March 27, 2007Assignee: Yazaki CorporationInventors: Yasushi Nakamura, Yasuyuki Mochizuki, Yuichi Nakazawa
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Publication number: 20060148531Abstract: The objective of the present invention is to have a desired screen displayed with shortened waiting time in using functions for the electronic note, etc., while engaging in telephone talk. Another prime objective of the present invention is to achieve an easy-to-use mobile information terminal equipment which also functions as an electronic note, word processor, personal computer, and so on. In transmitting from telephone mode (cover closed status) to information terminal mode (cover opened status), the screen to be displayed is determined to be either a historical information, talk log information, or user setting screen. This enables the user to obtain the desired screen with fewer number of operations and with less waiting time.Type: ApplicationFiled: February 24, 2006Publication date: July 6, 2006Inventors: Yuji Iwata, Hideki Sato, Hiroshi Saito, Kazumi Matsuura, Kazuhisa Shinoda, Minoru Owada, Yasuyuki Mochizuki, Michio Orita
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Patent number: 7069056Abstract: The objective of the present invention is to have a desired screen displayed with shortened waiting time in using functions for the electronic note, etc., while engaging in telephone talk. Another prime objective of the present invention is to achieve an easy-to-use mobile information terminal equipment which also functions as an electronic note, word processor, personal computer, and so on. In transitting from telephone mode (cover closed status) to information terminal mode (cover opened status), the screen to be displayed is determined to be either a historical information, talk log information, or user setting screen. This enables the user to obtain the desired screen with fewer number of operations and with less waiting time.Type: GrantFiled: September 10, 2002Date of Patent: June 27, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Yuji Iwata, Hideki Sato, Hiroshi Saito, Kazumi Matsuura, Kazuhisa Shinoda, Minoru Owada, Yasuyuki Mochizuki, Michio Orita
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Patent number: 7034956Abstract: The image processing apparatus outputs both of first image data used to produce a photo-print and second image data used to produce an image file in accordance with the digital image data. The processing apparatus includes a printing magnification determining device for determining printing magnification used when the photo-print is outputted in such a manner that a printing size is inscribed in a standard scanning area which is previously defined based upon longitudinal/transverse sizes every sort of an original and a digitizing magnification determining device for determining digitizing magnification used when the image file is outputted in such a manner that an image file size which is previously defined based upon longitudinal/transverse pixel numbers every sort of the original is inscribed in or circumscribed about the standard scanning area. The image forming apparatus employs the processing apparatus and outputs both of the photo-print and the image file.Type: GrantFiled: July 9, 2001Date of Patent: April 25, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Yasuyuki Mochizuki
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Patent number: 7023161Abstract: The present invention is to provide a power regulated window having a window glass to be closed intentionally when some foreign body is pinched by the window glass for security reasons. When a close signal is output to a semiconductor switching element from window regulator switches, the window glass is closed. When some foreign body such as arm or fingers is pinched by the window glass, a load current of a motor becomes abnormal and the motor rotates reversely to open the window glass in order not to damage the foreign body. Besides this protective function, when the foreign body is pinched by the window glass and a prohibit signal to invalidate the reverse rotation is output, a reversing controller is stopped and the window glass is closed continuously by a bypass switching element.Type: GrantFiled: August 3, 2005Date of Patent: April 4, 2006Assignee: Yazaki CorporationInventors: Katsuyuki Iwasaki, Yasuyuki Mochizuki, Yoshimitsu Maejima, Susumu Yamamoto, Satoshi Nakagawa
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Patent number: 7009352Abstract: A current sensing circuit includes; a shunt resistor, on which a motor current is flown; a reference resistor which has a resistance value that is n times the shunt resistor; and a current following circuit. The current following circuit includes: a following current control circuit, which controls the following current and generates a first reference voltage; and a capacitor which generates a second reference voltage indicating an average value of the first reference voltage. A first comparator compares a third reference voltage higher than the first reference voltage with the second reference voltage, and outputs the current limitation control signal. A motor current sensing range expanding circuit expands a motor current sensing range by increasing a ratio of the current sensing circuit having the shunt resistor and the reference resistor.Type: GrantFiled: September 3, 2004Date of Patent: March 7, 2006Assignee: Yazaki CorporationInventors: Susumu Yamamoto, Yasuyuki Mochizuki, Yuichi Nakazawa
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Publication number: 20060038519Abstract: The power window system moves a window glass in opening and closing directions in response to operation of an opening and closing instruction switch. The power window system includes a measurement device for obtaining an open degree of the window glass and a control device for controlling movement of the window glass in response to operation of the switch. The control device moves the window glass in the closing direction when an open degree obtained by the measurement device is not less than a predetermined degree and in the opening direction when the open degree is less than the predetermined degree.Type: ApplicationFiled: June 6, 2005Publication date: February 23, 2006Applicant: YAZAKI CORPORATIONInventors: Satoshi Nakagawa, Yoshimitsu Maejima, Yasuyuki Mochizuki, Katsuyuki Iwasaki, Susumu Yamamoto
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Publication number: 20060028162Abstract: The present invention is to provide a power regulated window having a window glass to be closed intentionally when some foreign body is pinched by the window glass for security reasons. When a close signal is output to a semiconductor switching element from window regulator switches, the window glass is closed. When some foreign body such as arm or fingers is pinched by the window glass, a load current of a motor becomes abnormal and the motor rotates reversely to open the window glass in order not to damage the foreign body. Besides this protective function, when the foreign body is pinched by the window glass and a prohibit signal to invalidate the reverse rotation is output, a reversing controller is stopped and the window glass is closed continuously by a bypass switching element.Type: ApplicationFiled: August 3, 2005Publication date: February 9, 2006Applicant: YAZAKI CORPORATIONInventors: Katsuyuki Iwasaki, Yasuyuki Mochizuki, Yoshimitsu Maejima, Susumu Yamamoto, Satoshi Nakagawa
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Patent number: 6940246Abstract: A power-window jamming preventing apparatus, includes a current sensing circuit, which senses a motor current flowing through a motor; a current limiting circuit, which increases and decreases the motor current based on a current-limitation control signal outputted from the current sensing circuit when an amount of increase of the motor current exceeds a predetermined vale; and a jamming determining circuit, which determines a jamming of a foreign matter in the window glass, and a potential difference generating circuit, which monitors a power source voltage supplied to the current sensing circuit and the power window motor, and which clamps a third reference voltage so as to drop a constant voltage from the third reference when the power source is low such that a potential difference between the second reference voltage and the third reference voltage is kept greater than a predetermined voltage.Type: GrantFiled: September 3, 2004Date of Patent: September 6, 2005Assignee: Yazaki CorporationInventors: Yasuyuki Mochizuki, Yuichi Nakazawa, Susumu Yamamoto
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Patent number: 6936988Abstract: A power-window jamming preventing apparatus, includes a current sensing circuit, which senses a motor current flowing through a motor for driving a window glass; a current limiting circuit, which increases and decreases the motor current based on a current-limitation control signal outputted from the current sensing circuit when an amount of increase of the motor current exceeds a predetermined vale; a jamming determining circuit, which determines a jamming of a foreign matter in the window glass based on increase of the motor current to reverse a rotation of the motor; and a charge/discharge controlling circuit which monitors a voltage level of a charge/discharge controlling signal, and controls a charging/discharging circuit to keep a third reference voltage constant when the charge/discharge controlling signal having one of voltage levels is continuously outputted for a predetermined time.Type: GrantFiled: September 1, 2004Date of Patent: August 30, 2005Assignee: Yazaki CorporationInventors: Yuichi Nakazawa, Yasuyuki Mochizuki, Susumu Yamamoto