Otis Elevator Company

Takahiro Yamada

Naoki Taniguchi

Keiji Hashimoto

Kenichi Ohmura

Atsushi Yamada

Hiromitsu Miyajima

Kenji Komiya

Yaodong Chen

Shinichi Furuta

Sunggun Cho

A handrail friction checking device comprises a handrail gripper for gripping the handrail and movable together with the handrail, a spring with one end of the spring being fixed and the other end being connected to the handrail gripper so that the spring can apply a spring force which is opposed to the direction of handrail movement to the handrail gripper when the handrail gripper moves along with the handrail and a sensor which is disposed in a way that it is distanced from the handrail gripper and can be triggered by the handrail gripper when the handrail gripper moves along with the handrail.

Handrail friction checking device

A method for controlling an elevator system comprises obtaining images of the inside of an elevator car, detecting passengers in the images, creating graphic passenger models of the detected passengers from the images and determining the number of passengers who may additionally board the elevator car using the passenger models. The passenger models may reflect the actual size of the passengers.

Method for controlling an elevator system

A system for detecting a defect in a steel wire embedded in a handrail of a passenger conveyor includes a non-contact inspection device embedded in the handrail for inspecting a condition of the steel wire and transmitting a signal regarding the condition of the steel wire, a non-contact power supply device arranged in proximity to the handrail for supplying power wirelessly to the non-contact inspection device from the outside of the handrail, and a controller arranged outside of the handrail for receiving the signal regarding the condition wirelessly and determining whether there is a defect in the steel wire.

Handrail with a built-in RBI

Growing community of inventors

Narita, Japan

Takahiro Yamada