Patents by Inventor Satoru Shimokawa
Satoru Shimokawa 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: 10634812Abstract: A method for operating a light curtain arrangement for monitoring a safety area is provided. The light curtain arrangement includes a plurality of first light emitter elements placed at an emitter side of the safety area, and a plurality of second light receiver elements placed at a receiver side of the safety area. The method includes the steps of: assigning a plurality of dedicated light emitter elements to a respective one light receiver element, wherein the assigned light emitter elements form an array; and activating the dedicated light emitter elements of a respective array to contemporaneously emit light, and at the same time, receiving the emitted light from the activated light emitter elements by the respective light receiver element.Type: GrantFiled: June 14, 2018Date of Patent: April 28, 2020Assignee: OMRON CorporationInventors: Enzo Romano, Paolo Viviani, Maurizio Cambursano, Pasqualino Brunetti, Gianmarco Grange, Keisaku Kikuchi, Satoru Shimokawa, Kazuhiro Kudo, Kazunori Osako
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Patent number: 10452939Abstract: A monitoring system, a monitoring device, and a monitoring method are provided. The monitoring system includes a detection part that detects a position of a worker intruded into a work area, a first specifying part that specifies a worker movable area on the basis of a position of the worker, an image capturing part that captures an image of an area including at least the worker movable area and a predetermined robot occupied area, a second specifying part that specifies a robot movable area from the image of the area, a third specifying part that specifies a human body area of the worker from the image of the area, a measuring part that measures the distance between the robot movable area and the human body area, and a restricting part that restricts movement of the robot when the distance is equal to or less than a predetermined distance.Type: GrantFiled: November 21, 2017Date of Patent: October 22, 2019Assignee: OMRON CorporationInventors: Yoshiharu Tani, Toshiyuki Higuchi, Ikuo Matsukawa, Kazuhiro Kudo, Tetsuya Akagi, Satoru Shimokawa, Kazushige Matsuoka
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Publication number: 20190101668Abstract: A method for operating a light curtain arrangement for monitoring a safety area is provided. The light curtain arrangement includes a plurality of first light emitter elements placed at an emitter side of the safety area, and a plurality of second light receiver elements placed at a receiver side of the safety area. The method includes the steps of: assigning a plurality of dedicated light emitter elements to a respective one light receiver element, wherein the assigned light emitter elements form an array; and activating the dedicated light emitter elements of a respective array to contemporaneously emit light, and at the same time, receiving the emitted light from the activated light emitter elements by the respective light receiver element.Type: ApplicationFiled: June 14, 2018Publication date: April 4, 2019Applicant: OMRON CorporationInventors: Enzo ROMANO, Paolo VIVIANI, Maurizio CAMBURSANO, Pasqualino BRUNETTI, Gianmarco GRANGE, Keisaku KIKUCHI, Satoru SHIMOKAWA, Kazuhiro KUDO, Kazunori OSAKO
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Publication number: 20180232593Abstract: A monitoring system, a monitoring device, and a monitoring method are provided. The monitoring system includes a detection part that detects a position of a worker intruded into a work area, a first specifying part that specifies a worker movable area on the basis of a position of the worker, an image capturing part that captures an image of an area including at least the worker movable area and a predetermined robot occupied area, a second specifying part that specifies a robot movable area from the image of the area, a third specifying part that specifies a human body area of the worker from the image of the area, a measuring part that measures the distance between the robot movable area and the human body area, and a restricting part that restricts movement of the robot when the distance is equal to or less than a predetermined distance.Type: ApplicationFiled: November 21, 2017Publication date: August 16, 2018Applicant: OMRON CorporationInventors: Yoshiharu TANI, Toshiyuki HIGUCHI, Ikuo MATSUKAWA, Kazuhiro KUDO, Tetsuya AKAGI, Satoru SHIMOKAWA, Kazushige MATSUOKA
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Patent number: 8536510Abstract: A multi-optical axis photoelectric sensor is provided having a casing that forms an outer shape of each of a projector and an optical receiver. The casing includes a frame body having a front face and two ends opened, a pair of caps to cover both ends of the frame body, and a light transmissive plate to cover the opened front face of the frame body 3. In the inner surfaces of both side plates of the frame body, supports are formed extending along the corresponding side edges of the opening of the front face. Both side edges of the light transmissive plate 6 are supported by the supports, and both ends thereof are supported by the caps. Portions of the caps that support the light transmissive plate 6 include communication portions to communicate with the supports of the frame body 3, and a string-like elastic member is disposed around a closed loop formed by each support and each communication portion.Type: GrantFiled: July 27, 2010Date of Patent: September 17, 2013Assignee: OMRON CorporationInventors: Satoru Shimokawa, Takayoshi Takahara, Shunsuke Mogi, Toshinori Sato
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Publication number: 20120112049Abstract: A multi-optical axis photoelectric sensor is provided having a casing that forms an outer shape of each of a projector and an optical receiver. The casing includes a frame body having a front face and two ends opened, a pair of caps to cover both ends of the frame body, and a light transmissive plate to cover the opened front face of the frame body 3. In the inner surfaces of both side plates of the frame body, supports are formed extending along the corresponding side edges of the opening of the front face. Both side edges of the light transmissive plate 6 are supported by the supports, and both ends thereof are supported by the caps. Portions of the caps that support the light transmissive plate 6 include communication portions to communicate with the supports of the frame body 3, and a string-like elastic member is disposed around a closed loop formed by each support and each communication portion.Type: ApplicationFiled: July 27, 2010Publication date: May 10, 2012Applicant: OMRON CORPORATIONInventors: Satoru Shimokawa, Takayoshi Takahara, Shunsuke Mogi, Toshinori Sato
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Patent number: 7348537Abstract: To provide a multi-optical axis photoelectric sensor and a multi-optical axis photoelectric sensor system, which enable function setting by an extremely simple operation, and further make it unnecessary to increase the size of a housing or to separately prepare a PC or a function setting tool. The multi-optical axis photoelectric sensor has: a columnar housing, from one end of which in the longitudinal direction an electric cord is pulled out, and at the other end of which in the longitudinal direction a plug-in type socket is provided, and a plug piece detachably attachable to the socket of the columnar housing. Particular information to serve as a function determining element on the columnar housing side is incorporated in the plug piece in a manner referenceable from a processing circuit on the columnar housing side via the socket. Further, the processing circuit on the columnar housing side is set so as to determine a function based upon particular information in the plug piece referenced via the socket.Type: GrantFiled: September 27, 2005Date of Patent: March 25, 2008Assignee: Omron CorporationInventors: Tetsuya Akagi, Satoru Shimokawa, Takayoshi Takahara, Kazunori Osako, Fumihiko Misumi
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Patent number: 7226025Abstract: To provide a structure for mounting a multi-optical axis photoelectric sensor, where a multi-optical axis photoelectric sensor is mounted on the base while both ends and the back face thereof are not gripped, and thereby the space for mounting the multi-optical axis photoelectric sensor can be reduced and the multi-optical axis photoelectric sensor can be mounted from the front face thereof.Type: GrantFiled: September 28, 2005Date of Patent: June 5, 2007Assignee: Omron CorporationInventors: Toshinori Sato, Satoru Shimokawa
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Patent number: 7227120Abstract: A multi-beam photoelectric sensor is disclosed which can be fabricated by selecting the length of a light projection/light-receiving columnar member and the number and pitches of optical axes in accordance with the width of a hazardous area of an object or the diameter of the minimum object to be detected. A projector string or a photo-detector string includes an optical module string having an alignment of a plurality of optical modules with an optical system for one optical axis, a light projection circuit for one optical axis and a plurality of flip-flops corresponding to one stage of a shift register, integrated with each other, and a flat cable. The flip-flops in the adjacent optical modules are connected in cascade by the adjacent module conduction wires thereby to make up a shift register. The optical modules making the optical module string are sequentially activated by the data sequentially sent by the shift register.Type: GrantFiled: September 28, 2005Date of Patent: June 5, 2007Assignee: Omron CorporationInventors: Satoru Shimokawa, Tetsuya Akagi, Takayoshi Takahara, Yasushi Miyake, Toshinori Sato, Shunsuke Ito
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Patent number: 7183533Abstract: An optical multi-axis optoelectronic sensor, in which a phototransmitting sensor head having a plurality of phototransmitters arranged thereon and a photoreceiving sensor head having a plurality of photoreceivers arranged thereon are disposed opposite to each other, comprises: first device for inputting distance data equivalent to a distance between the sensor heads; second device for determining detection sensitivity based on the distance data input by the first device; and third device for setting the detection sensitivity determined by the second device.Type: GrantFiled: September 28, 2004Date of Patent: February 27, 2007Assignee: Omron CorporationInventors: Kazunori Osako, Tetsuya Akagi, Satoru Shimokawa
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Publication number: 20060219874Abstract: To provide a structure for mounting a multi-optical axis photoelectric sensor, where a multi-optical axis photoelectric sensor is mounted on the base while both ends and the back face thereof are not gripped, and thereby the space for mounting the multi-optical axis photoelectric sensor can be reduced and the multi-optical axis photoelectric sensor can be mounted from the front face thereof.Type: ApplicationFiled: September 28, 2005Publication date: October 5, 2006Inventors: Toshinori Sato, Satoru Shimokawa
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Patent number: 7103422Abstract: A network master (M) having charge of an operation of a main device (L) and one or more network slaves (S1 to S3) each having charge of a safety determining device (A to C) for determining safety which is an operating permission condition of the main device (L) are connected on the network. Each network slave comprises means for selectively performing a first operation for transmitting information including data for maintenance of the safety determining device or both determination output of the safety determining device and data for maintenance of the safety determining device, to the network master and a second operation for transmitting information including the determination output of the safety determining device but not including the data for maintenance of the safety determining device at all or hardly including it to the network master.Type: GrantFiled: June 6, 2002Date of Patent: September 5, 2006Assignee: Omron CorporationInventors: Hisashi Takeuchi, Satoru Shimokawa, Noboru Kawaike
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Publication number: 20060068643Abstract: To provide a multi-optical axis photoelectric sensor and a multi-optical axis photoelectric sensor system, which enable function setting by an extremely simple operation, and further make it unnecessary to increase the size of a housing or to separately prepare a PC or a function setting tool. The multi-optical axis photoelectric sensor has: a columnar housing, from one end of which in the longitudinal direction an electric cord is pulled out, and at the other end of which in the longitudinal direction a plug-in type socket is provided, and a plug piece detachably attachable to the socket of the columnar housing. Particular information to serve as a function determining element on the columnar housing side is incorporated in the plug piece in a manner referenceable from a processing circuit on the columnar housing side via the socket. Further, the processing circuit on the columnar housing side is set so as to determine a function based upon particular information in the plug piece referenced via the socket.Type: ApplicationFiled: September 27, 2005Publication date: March 30, 2006Inventors: Tetsuya Akagi, Satoru Shimokawa, Takayoshi Takahara, Kazunori Osako, Fumihiko Misumi
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Publication number: 20060065818Abstract: A multi-beam photoelectric sensor is disclosed which can be fabricated by selecting the length of a light projection/light-receiving columnar member and the number and pitches of optical axes in accordance with the width of a hazardous area of an object or the diameter of the minimum object to be detected. A projector string or a photo-detector string includes an optical module string having an alignment of a plurality of optical modules with an optical system for one optical axis, a light projection circuit for one optical axis and a plurality of flip-flops corresponding to one stage of a shift register, integrated with each other, and a flat cable. The flip-flops in the adjacent optical modules are connected in cascade by the adjacent module conduction wires thereby to make up a shift register. The optical modules making the optical module string are sequentially activated by the data sequentially sent by the shift register.Type: ApplicationFiled: September 28, 2005Publication date: March 30, 2006Inventors: Satoru Shimokawa, Tetsuya Akagi, Takayoshi Takahara, Yasushi Miyake, Toshinori Sato, Shunsuke Ito
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Patent number: 6945828Abstract: A sensor system includes a plurality of sensor bodies arranged aligned and adjacent to each other, each of said sensor bodies being connected to an electric cord including at least a signal line via a connector. Each connector has a power feed terminal, and a detachable fitting for electrically connecting the power feed terminals of the connectors is provided between the connectors. The power supplied to the connector of any of the sensor body through the power feed line in the electric cord is distributed to the power feed terminal of another sensor body through a row of connectors. By this configuration, the number of power feed lines for the overall system can be significantly reduced, and common bodies not distinguished for the main and sub bodies can be used as the sensor bodies, whereby the cost can be reduced and inventory management can be facilitated.Type: GrantFiled: January 12, 2004Date of Patent: September 20, 2005Assignee: Omron CorporationInventors: Takashi Kamei, Kiyoshi Imai, Toshinori Sato, Kazuaki Miyoshi, Satoru Shimokawa
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Publication number: 20050109919Abstract: An optical multi-axis optoelectronic sensor, in which a phototransmitting sensor head having a plurality of phototransmitters arranged thereon and a photoreceiving sensor head having a plurality of photoreceivers arranged thereon are disposed opposite to each other, comprises: first device for inputting distance data equivalent to a distance between the sensor heads; second device for determining detection sensitivity based on the distance data input by the first device; and third device for setting the detection sensitivity determined by the second device.Type: ApplicationFiled: September 28, 2004Publication date: May 26, 2005Inventors: Kazunori Osako, Tetsuya Akagi, Satoru Shimokawa
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Publication number: 20040210322Abstract: A network master (M) having charge of an operation of a main device (L) and one or more network slaves (S1 to S3) each having charge of a safety determining device (A to C) for determining safety which is an operating permission condition of the main device (L) are connected on the network. Each network slave comprises means for selectively performing a first operation for transmitting information including data for maintenance of the safety determining device or both determination output of the safety determining device and data for maintenance of the safety determining device, to the network master and a second operation for transmitting information including the determination output of the safety determining device but not including the data for maintenance of the safety determining device at all or hardly including it to the network master.Type: ApplicationFiled: June 2, 2004Publication date: October 21, 2004Inventors: Hisashi Takeuchi, Satoru Shimokawa, Noburo Kawaike
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Publication number: 20040142602Abstract: A sensor system includes a plurality of sensor bodies arranged aligned and adjacent to each other, each of said sensor bodies being connected to an electric cord including at least a signal line via a connector. Each connector has a power feed terminal, and a detachable fitting for electrically connecting the power feed terminals of the connectors is provided between the connectors. The power supplied to the connector of any of the sensor body through the power feed line in the electric cord is distributed to the power feed terminal of another sensor body through a row of connectors. By this configuration, the number of power feed lines for the overall system can be significantly reduced, and common bodies not distinguished for the main and sub bodies can be used as the sensor bodies, whereby the cost can be reduced and inventory management can be facilitated.Type: ApplicationFiled: January 12, 2004Publication date: July 22, 2004Applicant: OMRON CORPORATIONInventors: Takashi Kamei, Kiyoshi Imai, Toshinori Sato, Kazuaki Miyoshi, Satoru Shimokawa
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Patent number: 6750439Abstract: In a light curtain generating device comprising a pair of pillar assemblies for supporting arrays of light emitting and receiving units which are placed opposite to each other so as to form a light curtain for detecting an object between the pillar assemblies, the light emitting and receiving unit arrays each consist of a group of single-beam optical modules so that the length of the arrays of light emitting and receiving units and the pitches of the individual light emitting and receiving units can be selected at will. Therefore, the light curtain generating device can readily adapt itself to each particular application at low cost and in a highly precise manner.Type: GrantFiled: August 10, 2001Date of Patent: June 15, 2004Assignee: Omron CorporationInventors: Takao Nakazaki, Satoru Shimokawa, Ichiro Kondo, Yasushi Miyake, Noboru Kawaike
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Patent number: 6692311Abstract: A sensor system includes a plurality of sensor bodies arranged aligned and adjacent to each other, each of said sensor bodies being connected to an electric cord including at least a signal line via a connector. Each connector has a power feed terminal, and a detachable fitting for electrically connecting the power feed terminals of the connectors is provided between the connectors. The power supplied to the connector of any of the sensor body through the power feed line in the electric cord is distributed to the power feed terminal of another sensor body through a row of connectors. By this configuration, the number of power feed lines for the overall system can be significantly reduced, and common bodies not distinguished for the main and sub bodies can be used as the sensor bodies, whereby the cost can be reduced and inventory management can be facilitated.Type: GrantFiled: October 24, 2000Date of Patent: February 17, 2004Assignee: Omron CorporationInventors: Takashi Kamei, Kiyoshi Imai, Toshinori Sato, Kazuaki Miyoshi, Satoru Shimokawa