Patents by Inventor Shunichi Odaka
Shunichi Odaka 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: 11353372Abstract: A displacement detection type force sensor, having a mechanism for relaxing deformation of a member due to a factor other than an external force. The force sensor has at least one of: a first relaxation part elastically deformable along a plane perpendicular to a first axis, and provided to at least one of a first substrate part, a first connection part, a second substrate part and a second connection part; and a second relaxation part elastically deformable along the first axis, and provided to at least one of the second substrate part, the second connection part, a third substrate part and a third connection part.Type: GrantFiled: May 9, 2019Date of Patent: June 7, 2022Assignee: Fanuc CorporationInventors: Takahiro Iwatake, Shunichi Odaka
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Patent number: 10760986Abstract: A displacement detection type six-axis force sensor. The force sensor includes a first end portion; a second end portion; an intermediate portion; a first connecting portion elastically connecting the first end portion to the intermediate portion with first three-degrees of freedom; a second connecting portion elastically connecting the second end portion to the intermediate portion with second three-degrees of freedom; a first detecting part detecting relative displacement between the first end and intermediate portions, accompanied by elastic deformation of the first connecting portion; and a second detecting part detecting relative displacement between the second end and intermediate portions, accompanied by elastic deformation of the second connecting portion.Type: GrantFiled: November 27, 2018Date of Patent: September 1, 2020Assignee: FANUC CORPORATIONInventors: Tetsuro Sakano, Shunichi Odaka
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Patent number: 10677672Abstract: A displacement detection type force-detection structure. The force-detection structure includes a first end portion; a second end portion; a connecting portion elastically connecting the first and second end portions with three degrees of freedom; a detecting part detecting relative displacement between the first and second end portions accompanied by elastic deformation of the connecting portion. The detecting part includes a first differentially-detecting section detecting a relative movement between the first and second end portions along a first axis as first movement data by using signals reverse in phase; a second differentially-detecting section detecting a relative movement between the first and second end portions along a second axis as second movement data by using signals reverse in phase; and a third differentially-detecting section detecting a relative rotation between the first and second end portions about a central axis along a third axis as rotation data by using signals reverse in phase.Type: GrantFiled: November 27, 2018Date of Patent: June 9, 2020Assignee: FANUC CORPORATIONInventors: Tetsuro Sakano, Shunichi Odaka
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Patent number: 10527467Abstract: A rotation angle detector comprises a rotating body including a plurality of track parts, and an abnormality detecting unit for detecting an abnormality based on signals generated in detection units. The detection units generate a first signal based on a first track part and a second signal based on a second track part. The abnormality detecting unit includes a judgement unit for judging an occurrence of an abnormality when the difference between the fluctuation range of the first signal and the fluctuation range of the second signal is larger than a predetermined fluctuation range judgement value.Type: GrantFiled: June 9, 2016Date of Patent: January 7, 2020Assignee: FANUC CORPORATIONInventors: Akira Nishioka, Shunichi Odaka, Keisuke Imai
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Publication number: 20190360879Abstract: A displacement detection type force sensor, having a mechanism for relaxing deformation of a member due to a factor other than an external force. The force sensor has at least one of: a first relaxation part elastically deformable along a plane perpendicular to a first axis, and provided to at least one of a first substrate part, a first connection part, a second substrate part and a second connection part; and a second relaxation part elastically deformable along the first axis, and provided to at least one of the second substrate part, the second connection part, a third substrate part and a third connection part.Type: ApplicationFiled: May 9, 2019Publication date: November 28, 2019Applicant: Fanuc CorporationInventors: Takahiro Iwatake, Shunichi Odaka
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Publication number: 20190162612Abstract: A displacement detection type six-axis force sensor. The force sensor includes a first end portion; a second end portion; an intermediate portion; a first connecting portion elastically connecting the first end portion to the intermediate portion with first three-degrees of freedom; a second connecting portion elastically connecting the second end portion to the intermediate portion with second three-degrees of freedom; a first detecting part detecting relative displacement between the first end and intermediate portions, accompanied by elastic deformation of the first connecting portion; and a second detecting part detecting relative displacement between the second end and intermediate portions, accompanied by elastic deformation of the second connecting portion.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Inventors: Tetsuro SAKANO, Shunichi ODAKA
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Publication number: 20190162613Abstract: A displacement detection type force-detection structure. The force-detection structure includes a first end portion; a second end portion; a connecting portion elastically connecting the first and second end portions with three degrees of freedom; a detecting part detecting relative displacement between the first and second end portions accompanied by elastic deformation of the connecting portion. The detecting part includes a first differentially-detecting section detecting a relative movement between the first and second end portions along a first axis as first movement data by using signals reverse in phase; a second differentially-detecting section detecting a relative movement between the first and second end portions along a second axis as second movement data by using signals reverse in phase; and a third differentially-detecting section detecting a relative rotation between the first and second end portions about a central axis along a third axis as rotation data by using signals reverse in phase.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Inventors: Tetsuro SAKANO, Shunichi ODAKA
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Patent number: 10260912Abstract: An optical encoder of the present invention includes a light-receiving element unit 5, moving slit 2 and fixed slit 3. The light-receiving element unit 5 includes a pattern 5B for detecting infiltration of liquid.Type: GrantFiled: March 29, 2017Date of Patent: April 16, 2019Assignee: FANUC CORPORATIONInventors: Shunichi Odaka, Hirosato Yoshida, Keisuke Imai
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Patent number: 10207457Abstract: A method for bonding components to each other according to this invention bonds, to a plate-shaped member or a shaft, an ultraviolet-curable adhesive cured by irradiation with ultraviolet rays and a wavelength conversion element which emits ultraviolet rays by irradiation with X-rays. The plate-shaped member is brought into contact with the shaft through a bonding layer formed by the ultraviolet-curable adhesive and the wavelength conversion element. The X-rays are transmitted through the plate-shaped member or the shaft to the bonding layer located between the plate-shaped member and the shaft to cure the ultraviolet-curable adhesive.Type: GrantFiled: February 22, 2016Date of Patent: February 19, 2019Assignee: FANUC CORPORATIONInventor: Shunichi Odaka
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Patent number: 10066971Abstract: A rotation angle detection apparatus includes a rotator having a track unit to detect the rotation angle of a rotation axis; a detection unit disposed in correspondence with the track unit; a rotation angle calculation unit for calculating the rotation angle of the rotation axis based on signals generated by the detection unit; a rotation speed calculation unit for calculating the rotation speed of the rotation axis; and an abnormality detection unit for detecting an abnormality. The abnormality detection unit includes a frequency analyzing unit for calculating the frequency characteristic of the signals; a storage unit for storing the number of the signals per revolution of the rotator; a signal frequency calculation unit for calculating a signal frequency; and a determination unit for detecting the abnormality in the detection apparatus, when the frequency characteristic includes a component of a higher order than the signal frequency.Type: GrantFiled: August 29, 2016Date of Patent: September 4, 2018Assignee: FANUC CORPORATIONInventors: Akira Nishioka, Shunichi Odaka, Keisuke Imai
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Publication number: 20170284834Abstract: An optical encoder of the present invention includes a light-receiving element unit 5, moving slit 2 and fixed slit 3. The light-receiving element unit 5 includes a pattern 5B for detecting infiltration of liquid.Type: ApplicationFiled: March 29, 2017Publication date: October 5, 2017Inventors: Shunichi ODAKA, Hirosato YOSHIDA, Keisuke IMAI
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Publication number: 20170059366Abstract: A rotation angle detection apparatus includes a rotator having a track unit to detect the rotation angle of a rotation axis; a detection unit disposed in correspondence with the track unit; a rotation angle calculation unit for calculating the rotation angle of the rotation axis based on signals generated by the detection unit; a rotation speed calculation unit for calculating the rotation speed of the rotation axis; and an abnormality detection unit for detecting an abnormality. The abnormality detection unit includes a frequency analyzing unit for calculating the frequency characteristic of the signals; a storage unit for storing the number of the signals per revolution of the rotator; a signal frequency calculation unit for calculating a signal frequency; and a determination unit for detecting the abnormality in the detection apparatus, when the frequency characteristic includes a component of a higher order than the signal frequency.Type: ApplicationFiled: August 29, 2016Publication date: March 2, 2017Applicant: FANUC CORPORATIONInventors: Akira Nishioka, Shunichi Odaka, Keisuke Imai
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Patent number: 9568340Abstract: An optical encoder includes a light emitting part for emitting light, a stationary slit part and a rotational slit part which allow part of the light emitted from the light emitting part to pass therethrough, a light receiving part for detecting the light passing through the stationary slit part and the rotational slit part, and a support for supporting the stationary slit part. The stationary slit part includes a patterned portion in which a plurality of slits for allowing light to pass therethrough are formed, a fixed portion fixed to the support, and an elastic structure which is elastically deformable and provided between the patterned portion and the fixed portion.Type: GrantFiled: December 12, 2014Date of Patent: February 14, 2017Assignee: Fanuc CorporationInventors: Miaomiao Wang, Shunichi Odaka, Mitsuyuki Taniguchi
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Publication number: 20160363469Abstract: A rotation angle detector comprises a rotating body including a plurality of track parts, and an abnormality detecting unit for detecting an abnormality based on signals generated in detection units. The detection units generate a first signal based on a first track part and a second signal based on a second track part. The abnormality detecting unit includes a judgement unit for judging an occurrence of an abnormality when the difference between the fluctuation range of the first signal and the fluctuation range of the second signal is larger than a predetermined fluctuation range judgement value.Type: ApplicationFiled: June 9, 2016Publication date: December 15, 2016Applicant: FANUC CORPORATIONInventors: Akira Nishioka, Shunichi Odaka, Keisuke Imai
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Publication number: 20160250802Abstract: A method for bonding components to each other according to this invention bonds, to a plate-shaped member or a shaft, an ultraviolet-curable adhesive cured by irradiation with ultraviolet rays and a wavelength conversion element which emits ultraviolet rays by irradiation with X-rays. The plate-shaped member is brought into contact with the shaft through a bonding layer formed by the ultraviolet-curable adhesive and the wavelength conversion element. The X-rays are transmitted through the plate-shaped member or the shaft to the bonding layer located between the plate-shaped member and the shaft to cure the ultraviolet-curable adhesive.Type: ApplicationFiled: February 22, 2016Publication date: September 1, 2016Applicant: FANUC CORPORATIONInventor: Shunichi Odaka
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Patent number: 9360494Abstract: A rotor (1b) includes a first cylindrical portion (10), and a second cylindrical portion (20) including a first partial circumferential surface (21) having a width narrower than that of the first cylindrical portion (10) in the circumferential direction, and a second partial circumferential surface (22) having a radius smaller than a radius of the first partial circumferential surface; the rotor, further, including a first to-be-detected portion having a plurality of teeth (15), and a second to-be-detected portion having at least one tooth (25), and wherein the at least one tooth of the second cylindrical portion and the tooth of the first cylindrical portion corresponding to the at least one tooth are formed in one operation by machining.Type: GrantFiled: August 8, 2012Date of Patent: June 7, 2016Assignee: FANUC CORPORATIONInventor: Shunichi Odaka
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Publication number: 20150177026Abstract: An optical encoder includes a light emitting part for emitting light, a stationary slit part and a rotational slit part which allow part of the light emitted from the light emitting part to pass therethrough, a light receiving part for detecting the light passing through the stationary slit part and the rotational slit part, and a support for supporting the stationary slit part. The stationary slit part incudes a patterned portion in which a plurality of slits for allowing light to pass therethrough are formed, a fixed portion fixed to the support, and an elastic structure which is elastically deformable and provided between the patterned portion and the fixed portion.Type: ApplicationFiled: December 12, 2014Publication date: June 25, 2015Applicant: FANUC CORPORATIONInventors: Miaomiao Wang, Shunichi Odaka, Mitsuyuki Taniguchi
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Publication number: 20150168180Abstract: An optical encoder includes a light emitting part for emitting light, a stationary slit part and a rotational slit part which allow part of the light emitted from the light emitting part to pass therethrough, and a light receiving part for detecting the light passing through the stationary slit part and the rotational slit part, in which the stationary slit part is made of resin. The optical encoder also includes a support for supporting the stationary slit part, and the stationary slit part is fixed to the support by adhesive.Type: ApplicationFiled: December 11, 2014Publication date: June 18, 2015Applicant: FANUC CORPORATIONInventors: Miaomiao Wang, Shunichi Odaka, Mitsuyuki Taniguchi
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Patent number: 8860406Abstract: A magnetic encoder including an object to be detected, a casing opposite to the object, a magnet and a magnetic sensor accommodated in the casing is provided. The casing of the magnetic encoder has an opposite wall opposite to the object. The opposite wall has a thickened portion and a thin portion integrally formed with the thickened portion. The thin portion has a smaller thickness than the thickened portion. The magnetic sensor is situated at the thin portion.Type: GrantFiled: November 14, 2012Date of Patent: October 14, 2014Assignee: Fanuc CorporationInventors: Shunichi Odaka, Isao Kariya
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Publication number: 20130057261Abstract: A rotor (1b) includes a first cylindrical portion (10), and a second cylindrical portion (20) including a first partial circumferential surface (21) having a width narrower than that of the first cylindrical portion (10) in the circumferential direction, and a second partial circumferential surface (22) having a radius smaller than a radius of the first partial circumferential surface; the rotor, further, including a first to-be-detected portion having a plurality of teeth (15), and a second to-be-detected portion having at least one tooth (25), and wherein the at least one tooth of the second cylindrical portion and the tooth of the first cylindrical portion corresponding to the at least one tooth are formed in one operation by machining.Type: ApplicationFiled: August 8, 2012Publication date: March 7, 2013Applicant: FANUC CORPORATIONInventor: Shunichi ODAKA