Zte Corporation

Huiqin Shi

Jing Liu

Min Xu

Chao Li

Zhao Zhang

Xiaofeng Zhang

Wei Huang

Tao Wang

Qirui Li

Yongping Shao

Pengbin Xu

Tierui Yao

The disclosure provides an electronic device with a Universal Serial Bus (USB) interface and a method for starting USB communication for a USB interface, so as to solve the problem that a mobile phone terminal device can be damaged easily when a charger shares one interface with USB communication in the conventional art. A control pin of the control circuit of the device is connected with a VCHG pin of a power management chip; an output pin of the control circuit is connected with a USB_VBUS pin of a USB interface chip; a power pin of the control circuit is connected with a fixed voltage input end which inputs a high level; and the control circuit is configured to output a fixed voltage from the output pin of the control circuit when detecting that the voltage of the control pin is more than a set threshold and output a low level from the output pin of the control circuit when detecting that the voltage of the control pin is less than the set threshold. The charging voltage (VCHG) of the handheld terminal product is only used as the control signal which is isolated from the voltage output to the USB_VBUS pin, so that the damage to the device is avoided.

Electronic device with USB interface and method for starting USB communication therefor

The present disclosure provides an electronic device having a USB interface and a method for starting USB communication with such an electronic device, so as to solve the problem of a risk of damaging a mobile phone terminal device arising from sharing of an interface by a charger and a USB communication cable in the related art. In the electronic device, a port GPIO of a baseband chip is connected to a pin USB_VBUS of a USB interface of the baseband chip; based on this circuit, a power management chip detects a state of plugging-in-or-pulling-out of the charger and generates a corresponding interrupt request; and the baseband chip controls the GPIO to output a corresponding level according to the interrupt request. By connecting the port GPIO and the pin USB_VBUS and controlling an output level of GPIO with a software, a high level or a low level (as a triggering signal for starting or terminating the USB communication) is input to the pin USB_VBUS, thus avoiding damage to the device.

Electronic device having USB interface and method for starting USB communication with such device

The present invention discloses a method and an apparatus for shooting a panorama, so as to solve the problems in the prior art that images with high quality cannot be obtained in the shooting process of a panorama and the shot images cannot be directly combined into a panorama without post-shooting processing. The method comprises the steps of: calculating, when previewing an image to be shot which is not the first shot image in a panorama, an overlapping degree of a joining region between the image to be shot and a shot image; and shooting the image to be shot when the overlapping degree reaches a set condition. The present invention also discloses an apparatus for shooting a panorama.

Method and apparatus for shooting panorama

Growing community of inventors

Shenzhen, China

Huiqin Shi