Huawei Technologies Co., Limited

Zte Corporation

Zhenming Zhang

Yu Zhu

Chen Xiao Wang

Chen Wang

Zheng Li

Zhonghua Cai

Minggui Wang

Zhiyuan Pang

Minrui Fu

Guorui Wang

Jiande Huang

Jingtang Yang

Biyun Shi

Huiqi Hou

A power supply circuit and an apparatus includes: a first switching transistor, a second switching transistor, a third switching transistor, a fourth switching transistor, a first capacitor, and a second capacitor. In this power supply circuit, one terminal of the first capacitor is connected to one terminal of the second capacitor, the other terminal of the first capacitor is separately connected to a first electrode of the first switching transistor and a first electrode of the second switching transistor, a second electrode of the first switching transistor is connected to a second electrode of the third switching transistor, a second electrode of the second switching transistor is connected to a second electrode of the fourth switching transistor, a third electrode of the first switching transistor is connected to an output node, and a third electrode of the second switching transistor is grounded.

Power supply circuit and apparatus

Disclosed are a telescopic transmission cable device and a mobile terminal. The device comprises: a cable body and a rectification part, wherein the cable body comprises at least two wires insulated inform each other, one end of the cable body is a built-in end while the other end is an external connection end; when the cable body is coiled up into a coil, the external connection end and the built-in end are respectively connected to two input ends of the rectification part, and the two output ends of the rectification part are respectively connected to a positive and negative electrodes of a power supply to be charged; and when the cable body is in a linear shape, the external connection end is connected to an external device, the two wires of the built-in end are respectively connected to the positive and negative electrodes of the power supply to be charged, and the two output ends of the rectification part are respectively disconnected to the positive and negative electrodes of the power supply to be charged. The telescopic transmission cable device is applicable to a variety of mobile terminals.

Telescopic transmission cable device and mobile terminal

Growing community of inventors

Shenzhen, China

Zhenming Zhang