Hon Hai Precision Industry Co., Ltd.

Hongfujin Precision Industry (wuhan) Co., Ltd.

Shenzhen Goldsun Network Intelligence Technology Co., Ltd.

Bridge Science Research Institute Ltd., China Zhongtie Major Bridge Engineering Group

China Railway Major Bridge Engineering Co., Ltd.

Jian Zhao

Bo Wang

Wu Li

Zhong-Gang Wu

Xiao-Hui Wang

Zhengxing Wang

Guo-Shu Wang

Cuicui Guo

Mingxing Zhou

Chong He

Zhiyang Tong

Guiqiong Hu

Baohui Cheng

Wen-Jun Hu

Jiwei Zhong

A product selection system for a vending machine is provided which is immune to human misbehavior or uncertainty. The system includes a main controller and a plurality of product selection panels connected to the main controller. Each product selection panel includes a plurality of keys, each of which is associated with a type of product stored in the vending machine. When a product selection panel detects a first key-down event, the main controller broadcasts a suspending command to the product selection panels so each product selection panel suspends the detection of any further key-down event in response to receiving the suspending command, until after a product-dispensing routine has been completed or the expiry of a predetermined period of time. A product selection method for a vending machine is also provided.

Product selection system and method for vending machine

A power on and off testing device includes a control module, a switch module, an alternating current and direct current converter module, an input module, and a detecting module. The switch module is connected to an alternating current source. The alternating current and direct current converter module is connected to a motherboard of a computer. The input module is connected to the control module to input testing references to the control module. The detecting module is connected between the control module and the motherboard. The detecting module detects a power status of the motherboard and sends the power status to the control module. The control module controls the switch module to be switched on according to the power status after receiving the testing references, thereby controlling the alternating current source to supply power to the motherboard.

Power on and off testing device and method

A damping device for a stay cable including a rotating lever, a lever support saddle, a longitudinal connecting member, and a rigid connection rod. When the stay cable vibrates inside or outside the plane thereof, the vibration displacement is transferred to the rotating lever through the rigid connection rod. One end of the rotating lever is connected to the lever support saddle via the longitudinal connecting member, and can rotate up and down with the lever support saddle as the axis and rotate around its central axis. The other end of the rotating lever is connected to a mass block and a damper. The damping device effectively inhibits vibrations inside and outside the stay cable plane, is easy to install and maintain, and does not negatively impact the appearance of a cable-stayed bridge.

Damping device of stay cable

Growing community of inventors

Wuhan, China

Jian Zhao