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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

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.