Patents by Inventor Kenichi Kameyama
Kenichi Kameyama 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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Publication number: 20150065892Abstract: A pulse wave measuring device includes: a connector that is disposed on a main unit; an external sensor that includes an external light-emitting module radiating light to a human body to be measured and an external light-receiving module receiving at least one of reflected light and transmitted light originating from the external light-emitting module and the human body so as to measure a pulse wave; an first controller that switches the external light-emitting module ON and OFF; an second controller that switches the external light-receiving module ON and OFF; and an external sensor connection determination section that determines a connection between the external sensor and the connector in accordance with a transient response of the external light-receiving module, wherein, after the external sensor connection determination section determines that the external sensor is connected to the connector, a measurement of the pulse wave by using the external sensor is started.Type: ApplicationFiled: October 14, 2014Publication date: March 5, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kazushige OUCHI, Takuji SUZUKI, Kenichi KAMEYAMA
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Patent number: 8920331Abstract: According to the invention, a pulse wave measuring device includes: a connector that is disposed on a main unit; an external sensor that includes an external light-emitting module radiating light to a human body to be measured and an external light-receiving module receiving at least one of reflected light and transmitted light originating from the external light-emitting module and the human body so as to measure a pulse wave; an first controller that switches the external light-emitting module ON and OFF; an second controller that switches the external light-receiving module ON and OFF; and an external sensor connection determination section that determines a connection between the external sensor and the connector in accordance with a transient response of the external light-receiving module, wherein, after the external sensor connection determination section determines that the external sensor is connected to the connector, a measurement of the pulse wave by using the external sensor is started.Type: GrantFiled: December 22, 2008Date of Patent: December 30, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Kazushige Ouchi, Takuji Suzuki, Kenichi Kameyama
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Publication number: 20140340328Abstract: According to an embodiment, a drawing apparatus includes a drive unit, a distance acquisition unit, and a drive controller. The drive unit vibrates the drawing apparatus. The distance acquisition unit acquires a distance between the drawing apparatus and a device. The drive controller drives the drive unit at a first amplitude when: the drawing apparatus is in a drawing mode, the drawing apparatus and the device are determined to be within a first distance based on the acquired distance, and the drawing apparatus is determined to be moving. The drive controller drives the drive unit at a second amplitude greater than the first amplitude when: the drawing apparatus is in the drawing mode, the drawing apparatus and the device are determined to be in contact with each other based on the acquired distance, and the drawing apparatus is determined to be moving.Type: ApplicationFiled: March 5, 2014Publication date: November 20, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi KAMEYAMA, Daisuke YAMAMOTO, Junya TAKAKURA
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Publication number: 20140340326Abstract: According to an embodiment, a drawing apparatus includes a casing including a tip; and a drive unit configured to vibrate the drawing apparatus. The drive unit is positioned within a range of 10 to 80 mm from the tip.Type: ApplicationFiled: February 28, 2014Publication date: November 20, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi KAMEYAMA, Daisuke YAMAMOTO, Junya TAKAKURA
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Patent number: 8257270Abstract: A pulse wave measuring apparatus includes a pulse wave measuring unit measuring a pulse wave; a first detection unit detecting first maximum and minimum values; a second detection unit detecting second maximum and minimum values; an update unit updating the first maximum and minimum values with the second maximum and minimum values after time periods; an initialization unit initializing the second maximum and minimum values after updating the first maximum and minimum values; a timing detection unit detecting a time determined by the first maximum and minimum values; and an interval calculation unit calculating a pulse wave interval using the timing.Type: GrantFiled: March 23, 2009Date of Patent: September 4, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Kazushige Ouchi, Takuji Suzuki, Kenichi Kameyama
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Patent number: 8172155Abstract: A thermal sensation determining apparatus includes a skin temperature detecting unit configured to detect a skin temperature of a peripheral site of a subject's body, a variation state determining unit configured to determine a variation state of the skin temperature during a first interval to obtain a variation state determination result, a gradient detecting unit configured to detect a gradient of the skin temperature during a second interval to determine the gradient to obtain a gradient detection result, and a thermal sensation determining unit configured to determine the subject's thermal sensation using the variation state determination result and the gradient detection result to obtain a thermal sensation determination result classified into levels ranging from “hot” to “cold” based on a “moderate” temperature.Type: GrantFiled: March 11, 2008Date of Patent: May 8, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Kanako Nakayama, Takuji Suzuki, Kazushige Ouchi, Kenichi Kameyama
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Patent number: 8157732Abstract: A detection-rate calculating unit calculates a detection rate representing a ratio of number of interval data representing a time interval of one cycle of a waveform of at least one of a pulse and a heart rate, generated within a predetermined reference time to a sum of the number of the interval data and number of error data representing a content of an error occurred while the interval data is generated. When the detection rate is larger than the first threshold, an index calculating unit calculates an autonomic-nervous index representing an autonomic-nervous activity state, based on the interval data generated within the reference time.Type: GrantFiled: February 25, 2008Date of Patent: April 17, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Takuji Suzuki, Kenichi Kameyama
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Patent number: 8078269Abstract: A sleep state measuring apparatus includes an autonomic nerve index obtaining unit that obtains a user's autonomic nerve index; and a sleep periodicity index calculating unit that calculates a sleep periodicity index based on a temporal change of the autonomic nerve index and a change in a user's sleeping cycle, wherein the sleep periodicity index indicates whether the user is sleeping or not according to a user's ideal sleeping cycle as an index, or a dominance index calculating unit that calculates a parasympathetic nerve dominance index which shows dominance of a parasympathetic nerve index included in the autonomic nerve index with respect to a sympathetic nerve index included in the autonomic nerve index for a user during sleep.Type: GrantFiled: September 18, 2006Date of Patent: December 13, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Takuji Suzuki, Kazushige Ouchi, Kenichi Kameyama
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Patent number: 7608046Abstract: A biotic sleep state determining apparatus that determines a sleep state of a subject based on a series of pulse interval data that indicate a time interval of one cycle of a pulse wave of the subject, and on body movement data that indicates a body movement of the subject, the apparatus includes a body movement determining unit that determines that the body movement occurs if a fluctuation amount of the body movement data is greater than a first predetermined threshold, a pulse interval data processor that processes the series of pulse interval data after removing pulse interval data measured in parallel with the body movement data from the series of pulse interval data, if the body movement determining unit determines that the body movement occurs, and a sleep state determining unit that determines the sleep state based on autonomic nerve indexes acquired from the series of pulse interval data processed by the pulse interval data processor.Type: GrantFiled: October 2, 2007Date of Patent: October 27, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Takuji Suzuki, Kenichi Kameyama, Kazushige Ouchi
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Publication number: 20090247885Abstract: A pulse wave measuring apparatus includes a sensor unit, a light emitting unit provided on the sensor unit and configured to emit light to a target region that is a body part of a subject, a light receiving unit provided on the sensor unit and configured to receive the light reflected from the target region to generate a received light signal that represents a change in blood flow in the target region, a measuring unit having a principal surface, holding the sensor unit on the principal surface and configured to measure a pulse wave of the subject, from the change in blood flow in the target region, a belt being expandable and configured to wrap around the target region to hold the measuring unit, with the principle surface facing the target region, and an elastic member arranged on the principle surface to surround the sensor unit.Type: ApplicationFiled: March 17, 2009Publication date: October 1, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takuji Suzuki, Kazushige Ouchi, Kenichi Kameyama
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Publication number: 20090247886Abstract: A pulse wave measuring apparatus includes a pulse wave measuring unit measuring pulse wave; a first detection unit detecting first maximum and minimum values; a second detection unit detecting second maximum and minimum values; an update unit updating the first maximum and minimum values with the second maximum and minimum values after time periods; an initialization unit initializing the second maximum and minimum values after updating the first maximum and minimum values; a timing detection unit detecting a time determined by the first maximum and minimum values; and an interval calculation unit calculating a pulse wave interval using the timing.Type: ApplicationFiled: March 23, 2009Publication date: October 1, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kazushige Ouchi, Takuji Suzuki, Kenichi Kameyama
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Publication number: 20090240155Abstract: A sleep condition measuring apparatus includes a determination unit configured to determine a first timing indicating that the user has fallen asleep and a second timing indicating that the user has waken up, based on body motion of a user, an acquisition unit configured to acquire a first index indicating activity of a sympathetic nerve of the user and a second index indicating activity of a parasympathetic nerve of the user, based on a pulse wave interval of the user, a calculation unit configured to calculate a dominance level of the second index over the first index every predetermined time, and a calculation unit configured to calculate a third index indicating quality of sleep of the user from the first timing until the second timing, using the dominance level and a weight decreasing as time elapses from the first timing.Type: ApplicationFiled: March 19, 2009Publication date: September 24, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kanako Nakayama, Takuji Suzuki, Kenichi Kameyama, Kazushige Ouchi
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Publication number: 20090182239Abstract: According to the invention, a pulse wave measuring device includes: a connector that is disposed on a main unit; an external sensor that includes an external light-emitting module radiating light to a human body to be measured and an external light-receiving module receiving at least one of reflected light and transmitted light originating from the external light-emitting module and the human body so as to measure a pulse wave; an first controller that switches the external light-emitting module ON and OFF; an second controller that switches the external light-receiving module ON and OFF; and an external sensor connection determination section that determines a connection between the external sensor and the connector in accordance with a transient response of the external light-receiving module, wherein, after the external sensor connection determination section determines that the external sensor is connected to the connector, a measurement of the pulse wave by using the external sensor is started.Type: ApplicationFiled: December 22, 2008Publication date: July 16, 2009Applicant: Kabushiki Kaisha ToshibaInventors: Kazushige OUCHI, Takuji Suzuki, Kenichi Kameyama
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Publication number: 20080242956Abstract: A detection-rate calculating unit calculates a detection rate representing a ratio of number of interval data representing a time interval of one cycle of a waveform of at least one of a pulse and a heart rate, generated within a predetermined reference time to a sum of the number of the interval data and number of error data representing a content of an error occurred while the interval data is generated. When the detection rate is larger than the first threshold, an index calculating unit calculates an autonomic-nervous index representing an autonomic-nervous activity state, based on the interval data generated within the reference time.Type: ApplicationFiled: February 25, 2008Publication date: October 2, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takuji SUZUKI, Kenichi Kameyama
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Publication number: 20080243027Abstract: A thermal sensation determining apparatus includes a skin temperature detecting unit configured to detect a skin temperature of a peripheral site of a subject's body, a variation state determining unit configured to determine a variation state of the skin temperature during a first interval to obtain a variation state determination result, a gradient detecting unit configured to detect a gradient of the skin temperature during a second interval to determine the gradient to obtain a gradient detection result, and a thermal sensation determining unit configured to determine the subject's thermal sensation using the variation state determination result and the gradient detection result to obtain a thermal sensation determination result classified into levels ranging from “hot” to “cold” based on a “moderate” temperature.Type: ApplicationFiled: March 11, 2008Publication date: October 2, 2008Inventors: Kanako Nakayama, Takuji Suzuki, Kazushige Ouchi, Kenichi Kameyama
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Patent number: 7351206Abstract: A biotic sleep state determining apparatus that determines a sleep state of a subject based on a series of pulse interval data that indicate a time interval of one cycle of a pulse wave of the subject, and on body movement data that indicates a body movement of the subject, the apparatus includes a body movement determining unit that determines that the body movement occurs if a fluctuation amount of the body movement data is greater than a first predetermined threshold, a pulse interval data processor that processes the series of pulse interval data after removing pulse interval data measured in parallel with the body movement data from the series of pulse interval data, if the body movement determining unit determines that the body movement occurs, and a sleep state determining unit that determines the sleep state based on autonomic nerve indexes acquired from the series of pulse interval data processed by the pulse interval data processor.Type: GrantFiled: January 31, 2005Date of Patent: April 1, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Takuji Suzuki, Kenichi Kameyama, Kazushige Ouchi
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Publication number: 20080076978Abstract: An apparatus for measuring biological information of a user, the apparatus includes a sensor that measures the biological information; a storing unit that stores a measurement result obtained by the sensor; a communication state recognizing unit that recognizes a current communication state; a determining unit that determines a transmission timing capable of transmitting data to an information terminal, based on the communication state recognized by the communication state recognizing unit; and a transmitting unit that transmits the measurement result stored in the storing unit to the information terminal at the transmission timing determined by the determining unit.Type: ApplicationFiled: March 20, 2007Publication date: March 27, 2008Applicant: Kabushiki Kaisha ToshibaInventors: Kazushige Ouchi, Takuji Suzuki, Kenichi Kameyama
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Publication number: 20080077044Abstract: A thermal sensation analyzing device includes a first detecting unit, a second detecting unit, and an analyzing unit. The first detecting unit detects skin temperature of a person. The second detecting unit detects a predetermined cyclic-fluctuation pattern in the skin temperature. The analyzing unit analyzes thermal sensation of the person based on the cyclic-fluctuation pattern.Type: ApplicationFiled: March 19, 2007Publication date: March 27, 2008Applicant: Kabushiki Kaisha ToshibaInventors: Kanako NAKAYAMA, Takuji SUZUKI, Kazushige OUCHI, Kenichi KAMEYAMA
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Publication number: 20080027331Abstract: A biotic sleep state determining apparatus that determines a sleep state of a subject based on a series of pulse interval data that indicate a time interval of one cycle of a pulse wave of the subject, and on body movement data that indicates a body movement of the subject, the apparatus includes a body movement determining unit that determines that the body movement occurs if a fluctuation amount of the body movement data is greater than a first predetermined threshold, a pulse interval data processor that processes the series of pulse interval data after removing pulse interval data measured in parallel with the body movement data from the series of pulse interval data, if the body movement determining unit determines that the body movement occurs, and a sleep state determining unit that determines the sleep state based on autonomic nerve indexes acquired from the series of pulse interval data processed by the pulse interval data processor.Type: ApplicationFiled: October 2, 2007Publication date: January 31, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takuji Suzuki, Kenichi Kameyama, Kazushige Ouchi
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Publication number: 20070118026Abstract: A detecting unit detects a sleep state of a user. If the user is awakened halfway through his/her sleep, a control unit controls a lighting device to irradiate a light in a waveband with relatively small melatonin-production suppression effect.Type: ApplicationFiled: November 6, 2006Publication date: May 24, 2007Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi Kameyama, Takuji Suzuki, Kazushige Ouchi