Shimano Inc.

Fujisawa Pharmaceutical Company, Ltd.

Matsushita Electric Works, Ltd.

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Astellas Pharma Gmbh

The Green Cross Corporation

Yoshitomi Pharmaceutical Industries, Ltd.

Atect Corporation

Hiroshi Matsuda

Yasuhiro Tsuchizawa

Masaaki Matsuo

Satoshi Shahana

Takashi Manabe

Shinji Shigenaga

Takuya Katsuki

Kenji Murano

Yuji Takada

Kazuhiro Fujii

Hiroyuki Miyoshi

Daijiro Hagiwara

Nobukiyo Konishi

Nobukatsu Hara

Hiroshi Miyake

Keiji Matsuda

Tadashi Terasaka

Tsunehiko Araki

David Barrett

Takahiro Matsuya

Etsuyoshi Watarai

Takayuki Nishikawa

Takashi Ogino

Hidenori Ohki

Kazuo Okumura

Tomohiro Kondo

Hiroaki Mizuno

Shinji Kirihata

Takashi Tojo

Hidekazu Himezawa

Nobuyuki Shiraishi

Takashi Horii

Junji Sato

Ikuo Ueda

Hiroshi Nagata

Kohji Kawabata

Yasuhiro Mori

Hiroaki Nishimura

Norio Seki

Yusuke Hashimoto

Yasuo Ikeda

Yasuo Ueda

Kazuhiko Take

Minoru Yasuda

Hiroyuki Fujii

Motoo Ikari

Teruki Hatatani

Keiichi Kagawa

Kaeko Kamide

Norio Hashimoto

Keiji Terashima

Yoshimasa Imamura

Yoshiyuki Tenda

Mitsuru Tauchi

Koichiro Kui

Masahiro Takeda

Hiroyuki Okumura

Ayako Toda

Atsushi Hironaka

Toshiki Yamane

Tatsuya Zenkoh

Atsushi Kanda

Akira Nagaoka

Norihiro Igari

Koji Munechika

Kazuhito Kayanoki

Yasuo Amatsuji

Mitsuru Murata

Yorinobu Murayama

Masaharu Ichihara

Toshiharu Takenouchi

Jumpei Nakamura

Atsushi Ohigashi

Yusuke Tanaka

Tomoyo Seki

Seiichiro Tabuchi

Naoya Ruike

Hisashi Hayashida

Norio Kotaka

Hirotada Tanimoto

Yohei Sone

Naoaki Fujii

Yoshitaka Fukushima

Yoshihiko Sugimoto

Norihide Kishi

Mamoru Tasaki

Kazunori Tsubaki

Yuuki Yorifuji

Takashi Imagawa

An electric device comprises wireless communicator circuitry and electronic controller circuitry. The wireless communicator circuitry is configured to wirelessly communicate with first wireless communicator circuitry of a first electric device using a first communication protocol. The wireless communicator circuitry is configured to wirelessly communicate with second wireless communicator circuitry of a second electric device using a second communication protocol. The electronic controller circuitry is configured to control the wireless communicator circuitry to wirelessly transmit a first signal using the first communication protocol. The electronic controller circuitry is configured to execute pairing between the electric device and the first electric device based on a first response signal wirelessly transmitted from the first wireless communicator circuitry of the first electric device. The electronic controller circuitry is configured to control the wireless communicator circuitry to wirelessly transmit a second signal using the second communication protocol regardless of the first response signal.

Electric device of human-powered vehicle

A bicycle control device includes an electronic controller and a gas pressure detection device. The electronic controller receives data indicative of a detected gas pressure of a tire provided to a bicycle. The tire is configured to maintain a gas in a compressed state. The gas pressure detection device is directly attached to a valve of the tire. The gas pressure detection device includes a sensor and a wireless communication device. The sensor detects the gas pressure of the tire. The wireless communication device is configured to perform wireless communication with the electronic controller.

Bicycle control device

A bicycle control device includes an electronic controller that controls a motor to assist propulsion of a bicycle. The electronic controller is configured to decrease an output of the motor upon determining that a shifting device is performing a shifting action to change a transmission ratio of the bicycle. The electronic controller is further configured to end the control that decreases the output of the motor before a predetermined period elapses upon determining that the shifting action is completed or the transmission ratio is changed before the predetermined period has elapsed. The electronic controller is further configured to end the control that decreases the output of the motor upon determining that the predetermined period has elapsed in a case where the shifting action or the change in the transmission ratio is uncompleted even though the predetermined period has elapsed.

Bicycle controller and bicycle control system including bicycle controller

A determination device is for a human-powered vehicle. The determination device includes a processor that is configured to obtain information related to a rotational speed of an input rotational shaft of the human-powered vehicle and information related to a rotational speed of a wheel of the human-powered vehicle to determine a predetermined state in accordance with a varied amount of the rotational speed of the input rotational shaft and a varied amount of the rotational speed of the wheel in a state in which a human driving force that is applied to the human-powered vehicle is greater than or equal to a predetermined threshold value.

Human-powered vehicle determination device and human-powered vehicle control device

A bicycle seatpost system comprises an electric actuator, a remote controller, and a seatpost controller. The seatpost controller is configured to control the electric actuator to change a state of the bicycle seatpost assembly to an adjustable state based on one of a first control signal and a second control signal. The remote controller includes a first operating part configured to receive a first user input and a second operating part configured to receive a second user input. The remote controller is configured to generate the first control signal having a constant signal length regardless of an operation period of the first user input. The remote controller is configured to generate the second control signal having a signal length corresponding to the operation period of the second user input.

Bicycle seatpost assembly

A human-powered vehicle control device includes an electronic controller configured to control a motor that assists in propulsion of a human-powered vehicle in accordance with a human driving force input to the human-powered vehicle. The electronic controller is configured to change a ratio of a power of the motor to a power of the human driving force and control the motor so that a change amount of the travel resistance differs from a change amount of the power of the motor upon determining a travel resistance of the human-powered vehicle has changed.

Human-powered vehicle control device

A bicycle controller includes an electronic control unit that controls a transmission device. The transmission device is configured to change a ratio of a rotational speed of a wheel of a bicycle to a rotational speed of a crank of the bicycle, and a motor. The motor transmits torque to an upstream side of the transmission device in a transmission path of manual driving force that is input to the crank. The electronic control unit is configured to switch between a first mode that drives the motor in accordance with the manual driving force and a second mode that allows the motor to be driven to assist walking of the bicycle. The electronic control unit is configured to control a rotational speed of the motor in accordance with the ratio in the second mode.

A bicycle control device includes an electronic controller that controls a motor, which assists propulsion of a bicycle. The electronic controller is configured to decrease an output of the motor to less than or equal to a limit value upon determining a shifting device is performing a shifting action to change a transmission ratio of the bicycle. The electronic controller is further configured to change at least one of the limit value of the output of the motor and a time in which the output of the motor is decreased upon determining the shifting device is performing the shifting action in accordance with at least one of an actuation state of the shifting device in the shifting action and a parameter of the bicycle that is changed by the shifting action performed by the shifting device.

A bicycle controller controls a motor in accordance with the riding environment of a bicycle. The bicycle controller includes an electronic control unit that is configured to control a motor that assists in propulsion of a bicycle in accordance with a manual driving force. The electronic control unit is further configured to sets a response speed of the motor with respect to a change in the manual driving force for a case in which a vehicle speed of the bicycle is less than or equal to a first speed to be different from the response speed for a case in which the vehicle speed of the bicycle exceeds the first speed.

Bicycle controller

A bicycle control device includes an electronic controller that receives data indicative of a detected gas pressure of a gas chamber of a bicycle component provided to a bicycle. The electronic controller controls an electric component provided to the bicycle in accordance with the detected gas pressure of the gas chamber of the bicycle component. The gas chamber of the bicycle component is configured to maintain a gas in a compressed state.

A bicycle control device that easily maintains the ratio of the assist force generated by a motor to the human drive force input to a bicycle at a predetermined ratio includes an electronic controller that controls a transmission, which is configured to change the transmission ratio of the bicycle, and the motor, which assists propulsion of the bicycle. The electronic controller is configured to control the motor so that the ratio of the assist force generated by the motor to the human drive force inputted to the bicycle becomes equal to the predetermined ratio. The electronic controller is configured to control the transmission in correspondence with at least one of the output torque of the motor and the human drive force to maintain the predetermined ratio.

A bicycle controller controls a motor in accordance with the riding environment of a bicycle. The bicycle controller includes an electronic control unit that is configured to control a motor that assists in propulsion of a bicycle in accordance with operation of an operation unit provided on the bicycle. The electronic control unit is further configured to change an increasing speed of an output torque of the motor in accordance with at least one of an inclination angle of the bicycle and a change amount of the inclination angle of the bicycle.

A bicycle controller controls a motor in accordance with the riding environment of a bicycle. The bicycle controller includes an electronic control unit that is configured to control a motor that assists in propulsion of a bicycle in accordance with a manual driving force. The electronic control unit is further configured to control an output torque of the motor to be less than or equal to a predetermined torque. The predetermined torque is changed in accordance with an inclination angle of the bicycle.

A bicycle controller controls a motor in accordance with the riding environment of a bicycle. The bicycle controller includes an electronic control unit that is configured to control a motor that assists in propulsion of a bicycle in accordance with a manual driving force. The electronic control unit is further configured to set a response speed of the motor with respect to a change in the manual driving force input to the bicycle for a case within a predetermined period from a time at which the bicycle starts to travel to be different from the response speed for a case in which the predetermined period has elapsed.

A bicycle controller is provided that performs control in accordance with a riding condition of a bicycle. The bicycle controller includes an electronic control unit that controls a motor. The motor assists human power that is inputted to a bicycle. Upon determining a gear changer that changes a gear ratio of the bicycle is operated, the electronic control unit switches a control state of the motor from a first control state to a second control state based on a rotation phase of a crank of the bicycle and changes a timing at which the control state of the motor is switched from the first control state to the second control state based on an inclination of the bicycle in a front-rear direction.

Bicycle controller for bicycle equipped with assist device and gear change device

Growing community of inventors

Osaka, Japan

Hiroshi Matsuda