Patents Assigned to Canon Denshi Kabushiki Kaisha
-
Patent number: 12013590Abstract: A lens driving actuator includes an upper cover having an opening for passing light, a lens barrel arranged in the upper cover and including a light-transmitting lens, a driving pin formed on an outer circumferential surface of the lens barrel, a driving cam member formed to cover the outer circumference of the lens barrel, and having a cam groove that engages with the driving pin, and a driving source configured to supply a driving force to a gear formed in the driving cam member. When the driving cam member rotates along the outer circumferential surface of the lens barrel, the driving pin is guided by the cam groove, and the lens barrel moves in an optical-axis direction with respect to the upper cover.Type: GrantFiled: April 29, 2021Date of Patent: June 18, 2024Assignee: Canon Denshi Kabushiki KaishaInventors: Hisatoshi Ito, Yuki Saito, Naoki Kawakubo, Yaomin Zhou
-
Patent number: 11591175Abstract: In a case where feeding of a subsequent sheet by a feed roller is started after the trailing edge of a preceding sheet is detected by a post-registration sensor, a control unit of a sheet feeder controls the feed roller to rotate at a first feeding speed, and in a case where the leading edge of the subsequent sheet has passed through a nip position between the feed roller and a separation roller, the control unit controls the feed roller to rotate at a second feeding speed.Type: GrantFiled: June 25, 2020Date of Patent: February 28, 2023Assignee: Canon Denshi Kabushiki KaishaInventors: Tadashi Nakamura, Yoshihiro Taniike, Shigeru Kosuda, Toru Sakai, Toshio Ohki, Masanori Tamai, Sadayuki Kaneko, Masamune Tokizawa
-
Patent number: 11518550Abstract: A coupling/uncoupling device includes a columnar member configured by a divided pair of semicircular members, and a pair of coupling members forming a circular holding section that holds the columnar member. The circular holding section includes a circular inner surface section with which an outer circumferential surface of the columnar member is in slide contact, the circular inner surface section being formed from inner circumferential surfaces of a semicircular section in one coupling member and a semicircular section in the other coupling member. The columnar member is configured to be rotatable in both clockwise and counterclockwise directions along the circular inner surface section about a reference position where a contact surface of the pair of coupling members and a dividing surface of the columnar member are flush with each other.Type: GrantFiled: December 27, 2018Date of Patent: December 6, 2022Assignee: Canon Denshi Kabushiki KaishaInventors: Shinji Beppu, Tsumori Sato, Ryota Fujikawa, Yoshifumi Okamoto, Yuki Morooka, Tomohiro Tomaru, Kanata Shirotori, Yusuke Akaike
-
Patent number: 11493660Abstract: The inspection device includes: a conveyance route that conveys an inspection object at moving speed v; a first magnetic detector and a second magnetic detector that detect a magnetic field of a magnetic foreign object contained in the inspection object; an amplifying unit that amplifies detection signals of the first magnetic detector and the second magnetic detector; and a computation processing unit that performs processing of multiplying the detection signal of the second magnetic detector by a signal obtained by delaying the detection signal of the first magnetic detector. The first magnetic detector and the second magnetic detector each include one magnetic sensor and the magnetic sensors form a pair.Type: GrantFiled: January 31, 2019Date of Patent: November 8, 2022Assignee: CANON DENSHI KABUSHIKI KAISHAInventors: Takahiro Matsuoka, Masahiro Kawase
-
Patent number: 11326708Abstract: A solenoid valve includes an inlet port, an outlet port, a seal member arranged in a channel of a fluid between the inlet port and the outlet port and having an opening, a valve body configured to open and close the opening of the seal member, a first spring configured to bias the valve body against the seal member, electromagnetic driving device, including an umbrella-shaped movable core configured to move the valve body and an electromagnetic coil configured to attract the umbrella-shaped movable core, for operating so as to open the opening of the seal member by attracting the umbrella-shaped movable core, and a second spring configured to exert a spring force in a direction opposite to the first spring, wherein the second spring is provided with rotation preventing device.Type: GrantFiled: August 6, 2020Date of Patent: May 10, 2022Assignee: Canon Denshi Kabushiki KaishaInventors: Hisashi Kon, Youichi Hagiwara
-
Patent number: 11117682Abstract: A case structure forms a storage space for a first electronic component. The case structure includes a plurality of support posts that are disposed parallel to each other; and a plurality of panels that is provided among the plurality of support posts, the plurality of panels constituting outer walls. At least one panel of the plurality of panels is a panel having an outer surface on which a second electronic component provided, the second electronic component being connected with the first electronic component, and the plurality of panels is attached to the plurality of support posts in a detachable manner along a longitudinal direction of the plurality of support posts.Type: GrantFiled: August 21, 2018Date of Patent: September 14, 2021Assignee: Canon Denshi Kabushiki KaishaInventors: Tsumori Sato, Ren Matsuzawa
-
Patent number: 11104532Abstract: A document feeding device includes a feeding unit feeding documents from a batch of documents on a placing tray, a separation member in pressure contact with the feeding unit and separating documents one by one, a separation swinging member supporting the separation member and displaceable in a thickness direction of the batch of documents, and a movable member supported as to be displaceable with respect to the separation swing member in the thickness direction of the batch of documents, and entering a space formed between the separation member and a document.Type: GrantFiled: November 28, 2018Date of Patent: August 31, 2021Assignee: Canon Denshi Kabushiki KaishaInventor: Takashi Machida
-
Patent number: 11029371Abstract: The present invention provides a triaxial magnetism detecting apparatus having a high mechanical strength and being compact in size by simplifying the arrangement configuration of magnetism detectors for the reduction of the number of components and allowing easy angular adjustment of the magnetism detectors and easy installation of the magnetism detectors on the apparatus body, and a satellite. A triaxial magnetism detecting apparatus has a power supply board, a circuit board, and a magnetism detecting unit, which are fixed on a body, and the circuit board and the magnetism detecting unit are horizontally connected. By using the magnetism detecting unit, the triaxial magnetism detecting apparatus detects magnitudes of magnetic fields in mutually perpendicular X-axis, Y-axis, and Z-axis directions.Type: GrantFiled: December 13, 2019Date of Patent: June 8, 2021Assignee: Canon Denshi Kabushiki KaishaInventors: Takahiro Matsuoka, Takumi Sato, Masahiro Kawase
-
Patent number: 10976641Abstract: A blade driving device includes an opening forming member, and a plurality of groups of blades that are pivotably disposed in a ring form around an opening portion of the opening forming member. The plurality of groups of blades include a first group of blades and a second group of blades, in a process of changing from a first circular light passage opening formed by the first group to a second circular light passage opening formed by the second group, the first group that is adjacent to the second group and has finished forming the first circular light passage opening remains in the opening portion, thereby acting to substantially suppressing warp, in an optical axis direction, of the second group that forms the second circular light passage opening on an inner side thereof.Type: GrantFiled: February 20, 2018Date of Patent: April 13, 2021Assignee: Canon Denshi Kabushiki KaishaInventors: Takahito Yoshizawa, Mitsuo Shibata
-
Patent number: 10884316Abstract: A light amount adjusting device includes an opening forming member configured to form an opening portion through which light passes, a blade group configured to move on the opening forming member and form a part of a light passing opening in the opening portion, and a power transmission member arranged outside the opening portion and engaging with the blade group to transmit power. The blade group includes a straight blade configured to move linearly and a swing blade configured to swing from both sides in a straight-ahead operation of the straight blade toward a center of the light passing opening. An edge portion of the light passing opening on a side of the power transmission member or an edge portion on a side opposite to the side of the power transmission member is formed by the blade group.Type: GrantFiled: September 19, 2018Date of Patent: January 5, 2021Assignee: Canon Denshi Kabushiki KaishaInventors: Takahito Yoshizawa, Hironori Komiya
-
Patent number: 10815091Abstract: An apparatus includes a housing provided with a conveyance path, a conveyance unit which conveys a sheet along the conveyance path, a discharge port from which the sheet conveyed along the conveyance path is discharged, a discharge tray on which the sheet discharged from the discharge port is stacked, and an attitude change unit which changes an attitude of the discharge tray. The discharge tray includes a first sheet receiving surface which is a portion facing the discharge port in a discharge direction of the sheet and on which a leading edge of the sheet lands, and a second sheet receiving surface which is formed at a predetermined inclination with respect to the first sheet receiving surface. The attitude change unit changes the attitude of the discharge tray so that the first sheet receiving surface of the discharge tray is inclined toward the discharge port.Type: GrantFiled: April 11, 2019Date of Patent: October 27, 2020Assignee: Canon Denshi Kabushiki KaishaInventors: Sadayuki Kaneko, Misato Nakayama, Asako Chiba, Ayumi Machida, Tetsurou Ishikawa, Yoshinori Kanaya, Yoshihiro Taniike, Masashi Yamaguchi
-
Patent number: 10807343Abstract: To allow a fiber reinforced laminate to have sufficient light shielding ability and to improve adherence at the interface in the laminate and durability needed for it used for a shutter blade. A fiber reinforced laminate of the present invention includes: a substrate; a black coating; and a fiber reinforced plastic layer, characterized in that the black coating is provided between the substrate and the fiber reinforced plastic layer and contains a binder resin, black particles and a filler.Type: GrantFiled: October 31, 2019Date of Patent: October 20, 2020Assignee: CANON DENSHI KABUSHIKI KAISHAInventors: Munetoshi Yoshikawa, Mizuho Igawa, Fumio Shimada, Minoru Kobayashi, Keita Hanawa, Junichi Onosaka, Naoaki Maruyama
-
Patent number: 10809950Abstract: The web server program causes the information processing apparatus to function as: a reception unit that receives a request from a web application executed on the web browser; an acquisition unit configured to acquire, from the request, information about a domain of the web application executed on the web browser; a determination unit that determines whether or not to permit communication with the web application executed on the web browser, based on the domain indicated in the information acquired by the acquisition unit; and a transmission unit that transmits a response to the web browser based on the result of determination of the determination unit, wherein the web server program communicates with an external apparatus connected to a network, and acquires, from the external apparatus, information used for authentication or authorization by the external apparatus.Type: GrantFiled: January 2, 2020Date of Patent: October 20, 2020Assignee: CANON DENSHI KABUSHIKI KAISHAInventors: Sousuke Onodera, Hiroki Miura, Taketo Ochiai, Hirotaka Watanabe, Kazuki Takano, Hiroki Arai, Dayon Kou, Yuantian Wei
-
Patent number: 10649310Abstract: A blade driving device including, a base plate including an opening through which light passes, a blade configured to runs on a surface of the base plate to open and close the opening, a drive mechanism including a drive spring and actuates the blade; and a charge mechanism configured to perform a charge operation on the drive mechanism against the drive spring. The charge mechanism includes a slide member configured to linearly reciprocate in a direction parallel to the base plate along a motor between the motor and the drive mechanism, the motor generating a driving force for the charge mechanism.Type: GrantFiled: January 9, 2019Date of Patent: May 12, 2020Assignee: Canon Denshi Kabushiki KaishaInventors: Hisatoshi Ito, Yuki Saito, Naoki Kawakubo, Kentaro Kato, Takahiro Arai
-
Patent number: 10649309Abstract: A blade driving device includes an opening forming member forming an opening portion, a pivotal member pivoting about the opening portion, blades configured to enter or exit from the opening portion upon receiving power transmitted from the pivotal member, a cover member arranged so that the pivotal member and the plurality of blades are located between the cover and the opening forming member, and engaging portions engaging the of blades with the opening forming member. The pivotal member comes into slidable contact with the engaging portions in a process of pivoting. A pivotal position of the pivotal member with respect to the opening forming member is defined by the engaging portions.Type: GrantFiled: January 7, 2019Date of Patent: May 12, 2020Assignee: Canon Denshi Kabushiki KaishaInventors: Takahito Yoshizawa, Yusuke Inui, Yasutaka Morikoshi, Shinya Nakawaki, Satoru Yajima, Yoshiyuki Koyama
-
Patent number: 10635364Abstract: The web server program causes the information processing apparatus to function as: a reception unit that receives a request from a web application executed on the web browser; an acquisition unit configured to acquire, from the request, information about a domain of the web application executed on the web browser; a determination unit that determines whether or not to permit communication with the web application executed on the web browser, based on the domain indicated in the information acquired by the acquisition unit; and a transmission unit that transmits a response to the web browser based on the result of determination of the determination unit, wherein the web server program communicates with an external apparatus connected to a network, and acquires, from the external apparatus, information used for authentication or authorization by the external apparatus.Type: GrantFiled: May 24, 2019Date of Patent: April 28, 2020Assignee: CANON DENSHI KABUSHIKI KAISHAInventors: Sousuke Onodera, Hiroki Miura, Taketo Ochiai, Hirotaka Watanabe, Kazuki Takano, Hiroki Arai, Dayon Kou, Yuantian Wei
-
Patent number: D931284Type: GrantFiled: August 23, 2019Date of Patent: September 21, 2021Assignee: Canon Denshi Kabushiki KaishaInventors: Asako Murase, Satoshi Shinata
-
Patent number: D939598Type: GrantFiled: October 23, 2019Date of Patent: December 28, 2021Assignee: Canon Denshi Kabushiki KaishaInventors: Masaaki Ishibashi, Masahiro Kando, Takahiro Koyama
-
Patent number: D978831Type: GrantFiled: January 20, 2021Date of Patent: February 21, 2023Assignee: Canon Denshi Kabushiki KaishaInventors: Masaaki Ishibashi, Masahiro Kando, Tsutomu Yoshihara, Minoru Tsuruta, Hiroyuki Nakamura
-
Patent number: D986309Type: GrantFiled: September 24, 2019Date of Patent: May 16, 2023Assignee: Canon Denshi Kabushiki KaishaInventors: Satoru Yajima, Yoshiyuki Koyama, Yasutaka Morikoshi