4584 patents
Page 26 of 230
Utility
Elevator renewal method and elevator auxiliary panel
25 Apr 23
An elevator renewal construction method includes steps of: replacing an old control panel of an existing elevator with a new control panel; installing an auxiliary panel, which includes a communication converter to be connected to the new control panel, and which is formed separately from the new control panel; and connecting an old device including at least any one of an old hall device and an old car device, which has been placed in a communicable state with the old control panel of the existing elevator, into a communicable state with the new control panel via the communication converter, wherein the new control panel is configured to be communicable with the old device through an old communication system converted via the communication converter included in the auxiliary panel, the communication converter being configured to mutually convert a communication system between a new communication system and the old communication system.
Seiji Okuda
Filed: 18 Aug 17
Utility
Traveling route generation device and vehicle control device
25 Apr 23
An object of the present invention is to provide a traveling route generation device and a vehicle control device.
Hiroaki Kitano
Filed: 26 Sep 18
Utility
Refrigeration cycle apparatus recovering refrigerator oil in refrigerant circuit
25 Apr 23
When a controller receives an instruction for a heating operation, the controller switches an operation mode of a refrigeration cycle apparatus between a heating operation mode and an oil recovery operation mode.
Hiroki Ishiyama
Filed: 30 Nov 17
Utility
Parameter adjustment device, training device, and measurement system
25 Apr 23
A parameter adjustment device (500) adjusts a parameter relating to control of laser light emitted from a measurement sensor (210) onto an object.
Daiki Ata, Satoshi Namematsu
Filed: 15 Apr 20
Utility
Propeller fan, outdoor unit, and refrigeration cycle apparatus
25 Apr 23
A propeller fan includes: a rotation-axis part that serves as a center of rotation; and a plurality of blades provided on an outer circumferential side of the rotation-axis part, the plurality of blades being joined to adjoining blades at leading edges and trailing edges thereof.
Takuya Teramoto, Takashi Ikeda, Yusuke Adachi
Filed: 27 Oct 16
Utility
Electronic component fixation structure and current detection device
25 Apr 23
An electronic component fixation structure disclosed in the present application includes a holding member which, being made of an insulating material, is formed of a storing portion which stores a main body portion of an electronic component, a protection portion which surrounds a plurality of connection terminals of the electronic component, and a pair of protrusion portions which protrude upward from the respective central portions of a pair of side walls of the protection portion; and a wiring substrate on which to connect between electronic components, wherein the pair of protrusion portions of the holding member are engaged with the wiring substrate, and the plurality of connection terminals of the electronic component are solder connected to the wiring substrate.
Masahiro Noguchi
Filed: 12 Aug 20
Utility
Driving device, air conditioner, and method for controlling compressor
25 Apr 23
A driving device is used with a compressor including a motor including coils.
Masahiro Nigo
Filed: 31 Oct 16
Utility
Silicon carbide semiconductor device, power converter, method of manufacturing silicon carbide semiconductor device, and method of manufacturing power converter
25 Apr 23
A drift layer is formed of silicon carbide and has a first conductivity type.
Kohei Adachi, Katsutoshi Sugawara, Yutaka Fukui, Hideyuki Hatta, Rina Tanaka
Filed: 11 Jan 18
Utility
Stator, motor, fan, vacuum cleaner, and winding method
25 Apr 23
A stator includes a yoke extending in a circumferential direction about an axis line, a tooth extending from the yoke in a first direction toward the axis line, and a coil wound around and fixed to the tooth.
Naohiro Oketani
Filed: 14 Jul 16
Utility
Car control device and car control system
18 Apr 23
A car control device includes a driving force calculating unit that calculates driving force necessary for a train to travel; an operating number calculating unit that determines the number of M cars to be operated on the basis of the driving force; and a driving force command calculating unit that calculates driving force commands to be given to the M cars that operate depending on the number of M cars to be operated, wherein the driving force command calculating unit continuously changes the driving force commands when the number of M cars to be operated changes.
Yuruki Okada, Yoshinori Yamashita, Kota Teramoto, Yoshinori Chiba, Sho Kato
Filed: 16 Jun 16
Utility
Elevator control system for landing control based on correcting governor rope distance
18 Apr 23
An elevator control device, including an rpm detector, a landing-plate detector, and a controller, in which the controller includes a first remaining-distance calculating unit, which is configured to calculate a remaining distance to a destination floor as a first remaining distance based on the rpm, a second remaining-distance calculating unit, which is configured to calculate an ideal remaining distance from the detection of the landing plate to stop at a destination floor as a second remaining distance, an expansion-and-contraction amount estimating unit, which is configured to estimate an expansion amount of a governor rope from a difference value between the first remaining distance and the second remaining distance, and an expansion-and-contraction amount correcting unit, which is configured to correct the first remaining distance by adding a correction value calculated based on the estimated expansion amount.
Hidetaka Ishiguro
Filed: 14 Dec 15
Utility
Plating apparatus and plating method
18 Apr 23
The present invention relates to a plating apparatus and a plating method for partially forming a plating film on an object to be plated.
Yohei Takemoto, Yutaka Akami
Filed: 27 Nov 18
Utility
Speed estimating device for AC motor, driving device for AC motor, refrigerant compressor, and refrigeration cycle apparatus
18 Apr 23
A speed estimating device for an AC motor includes: a model deviation computing unit computing a model deviation based on a voltage, a current, and an estimated angular velocity of the AC motor; a first angular velocity estimating unit computing a first estimated angular velocity based on the model deviation; a second angular velocity estimating unit computing a second estimated angular velocity differing from the first estimated angular velocity in frequency, based on the model deviation; a compensation phase computing unit computing a compensation phase based on a disturbance frequency; and an estimated angular velocity calculator computing an estimated angular velocity of the AC motor based on the first estimated angular velocity and the second estimated angular velocity.
Yuriko Takeda, Kenji Takahashi, Shinya Toyodome, Mitsuo Kashima, Tomohiro Kutsuki
Filed: 22 Mar 19
Utility
Power conversion device
18 Apr 23
A power conversion device that performs power conversion between a DC circuit and an AC circuit includes a power conversion circuit including a plurality of sub-modules, a failure detection device that detects an internal failure of the power conversion circuit, and a control device that generates an operation command controlling operation of each of the plurality of sub-modules.
Masahiro Hario, Noriyuki Imada
Filed: 2 Apr 19
Utility
Motor drive device and air conditioner
18 Apr 23
A motor drive device that drives motors with one inverter includes a step-out control unit that detects step-out in which the operating frequency of at least one of the motors does not match the inverter output frequency, or the operating frequency of at least one of the motors does not match the operating frequency of another one of the motors, and stops the motors by switching an energization state of the inverter when at least one of the motors is out of step.
Yuichi Shimizu, Kazunori Hatakeyama
Filed: 27 Feb 20
Utility
Electric motor with stator
18 Apr 23
An electric motor includes a stator including four split cores, and a rotor having four magnetic poles.
Kazuchika Tsuchida, Yuji Takayama, Keisuke Uemura
Filed: 30 Dec 20
Utility
Motor driving device and air conditioner
18 Apr 23
A motor driving device includes: a connection switcher that has an electromagnetic contactor connected to a winding of a motor and switches connection condition of the winding by switching condition of the electromagnetic contactor; an inverter to apply an output voltage as an AC voltage to the winding via the connection switcher; a short-circuiting circuit having a rectification circuit and a switch; and a controller to control the electromagnetic contactor, the inverter and the switch, wherein a circulating circuit is formed by the short-circuiting circuit and the winding when the switch is set at ON, and the connection switcher switches the connection condition of the winding in a period in which the output voltage of the inverter is set at zero in a rotating operation of the motor and a current caused by the rotating operation circulates in the circulating circuit.
Atsushi Tsuchiya, Kazunori Hatakeyama, Shinya Toyodome
Filed: 6 Mar 19
Utility
Image encoding device, image decoding device, image encoding method, image decoding method, and image prediction device
18 Apr 23
An image decoding device including an intra prediction unit for, when a coding mode for a coding block is an intra coding mode, carrying out an intra-frame prediction process on each of processing blocks to generate a prediction image, each of the processing blocks being the coding block or a sub-block obtained by dividing the coding block, wherein, when an intra prediction parameter indicates a vertical prediction process and a size of the processing block is less than a predetermined size, the intra prediction unit performs a specific processing and when the intra prediction parameter indicates the vertical prediction process and the size of the processing block is greater than or equal to the predetermined size, the intra prediction unit performs a specific processing.
Akira Minezawa, Kazuo Sugimoto, Shunichi Sekiguchi
Filed: 7 Apr 21
Utility
Software analysis device, software analysis method, and software analysis program
18 Apr 23
A software analysis device being capable of analyzing dependency between software components more comprehensively and with higher accuracy than a conventional technology is provided.
Taishi Azuma, Toshihiro Kobayashi, Yuki Hikawa
Filed: 3 Oct 18
Utility
Servo control device
18 Apr 23
A servo control device for controlling an end effector of a machine to follow a set reference trajectory by driving the machine using an actuator includes a feedforward compensation unit that performs feedforward compensation by outputting a feedforward signal for controlling the actuator on the basis of a position command signal inputted thereto, wherein input-output characteristics represented in a continuous-time system of the feedforward compensation unit are expressed by a transfer function having unstable zeros, and a step response of the feedforward compensation unit has an initial undershoot.
Akio Saito, Hidetoshi Ikeda
Filed: 8 Sep 17