T
Takashi Yumura
Researcher at Mitsubishi Electric
Publications - 13
Citations - 245
Takashi Yumura is an academic researcher from Mitsubishi Electric. The author has contributed to research in topics: Elevator & Hoist (device). The author has an hindex of 6, co-authored 13 publications receiving 244 citations.
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Patent
Door device for elevator
TL;DR: In this paper, a door device for an elevator is provided with an elevator door for opening/closing a doorway through which an interior of a car communicates with a landing, a distance sensor for continuously detecting a distance from the doorway to a passenger at the landing, and a door control device for controlling a movement of the elevator door based on the door control command from the processing device.
Patent
Safety device for elevator
TL;DR: In this article, a bearing rail stopper and a pivoting rail stoppers are disposed in a housing that is displaceable horizontally relative to a car, and a guide rail that guides the car is disposed between the bearing and the pivoting stoppers.
Patent
Emergency stop system for elevator
TL;DR: An emergency stop system for an elevator includes a state sensor for detecting an operation of a car, a brake device for braking the car, and a brake controller for outputting a signal for operating the brake device based on a signal detected by the state sensor, and an uninterruptible power supply device for supplying electric power to the sensor, brake device, and the controller as mentioned in this paper.
Patent
Sloped part high-speed escalator
TL;DR: In this paper, an escalator with a high speed inclined section is coupled by a link mechanism and an outer peripheral length change absorbing mechanism is provided in a reversing section of a circulation path of the steps.
Patent
Device for elevator door control based on a detected object
Takashi Yumura,Takaharu Ueda +1 more
TL;DR: In this paper, a door device for an elevator is provided with an elevator door for opening/closing a doorway through which an interior of a car communicates with a landing, a distance sensor for continuously detecting a distance from the doorway to a passenger at the landing, and a door control device for controlling a movement of the elevator door based on the door control command from the processing device.