The present disclosure relates to a display device. The display device includes a display module and a sensing circuit board including a plurality of sensing dots disposed on the display module and generating a magnetic field. Each of the sensing dots includes continuous first and second periods. Additionally or alternatively, the sensing dots includes a transmitter, a driver, a charger, and an outputter. The transmitter transmits a reference alternating current signal. The driver is connected to the transmitter and a sensing node and outputs a node current signal. The charger is connected to the sensing node and generates a magnetic field. The outputter is electrically connected to an output terminal and outputs a sensing signal.

The mobile terminal provided by the present disclosure includes a terminal body and a control unit. A side of the terminal body is provided with an elongated opening, an inside of the terminal body is rollingly provided with a flexible display screen, the flexible display screen is able to be pulled out the terminal body via the elongated opening, the control unit controls the flexible display screen to display an image. The terminal body of the present disclosure is provided with the flexible display screen which can be set in inside of the terminal body, so that the mobile terminal is small but has a big display screen.

The present disclosure relates to a display device. The display device includes a display module and a sensing circuit board including a plurality of sensing dots disposed on the display module and generating a magnetic field. Each of the sensing dots includes continuous first and second periods. Additionally or alternatively, the sensing dots includes a transmitter, a driver, a charger, and an outputter. The transmitter transmits a reference alternating current signal. The driver is connected to the transmitter and a sensing node and outputs a node current signal. The charger is connected to the sensing node and generates a magnetic field. The outputter is electrically connected to an output terminal and outputs a sensing signal.

An operation method of an electronic system includes the following steps. When a first communication module of the electronic device receives a call signal, a controller of an electronic device detects whether an expansion device is electrically connected to the electronic device. Based on a result of the controller detecting whether the expansion device is electrically connected to the electronic device, it is determined whether the electronic system performs sound amplification with a first speaker of the electronic device or performs playing with a second speaker of the expansion device.

A pen-type handset has a clip portion as a cartilage conduction unit. The clip portion, of an elastic body, is supported on a main body with no direct contact of a cartilage-conduction vibration source in the clip portion with the main body. The clip portion supporting the cartilage-conduction vibration source is supported on the main body via a vibration isolating material. With the clip portion closed, vibration of the cartilage-conduction vibration source is not conducted to the main body; with the clip portion open, vibration of the cartilage-conduction vibration source is conducted to the main body. With the clip portion open, operation of an incoming-call display unit is prohibited. With the clip portion open, operation on an operation unit is invalidated. An incoming call is responded to by closing the open clip portion.

The mobile terminal provided by the present disclosure includes a terminal body and a control unit. The terminal body is provided with a flash lamp. A zoom lens is provided in an advancing direction of a light of the flash lamp. The control unit is configured to control the flash lamp to switch between a flash mode and a flashlight mode according to an input command. The zoom lens has a plurality of operating states and can converge the light of the flash lamp in at least one operating state. Thus, the mobile terminal can be used as a flash and as a flashlight having a relatively large irradiation distance and further as a flashlight with adjustable irradiation distance.

The mobile terminal provided by the present disclosure includes a terminal body and a control unit. The terminal body is provided with a flash lamp. A zoom lens is provided in an advancing direction of a light of the flash lamp. The control unit is configured to control the flash lamp to switch between a flash mode and a flashlight mode according to an input command. The zoom lens has a plurality of operating states and can converge the light of the flash lamp in at least one operating state. Thus, the mobile terminal can be used as a flash and as a flashlight having a relatively large irradiation distance and further as a flashlight with adjustable irradiation distance.

The mobile terminal provided by the present disclosure includes a terminal body and a control unit. A side of the terminal body is provided with an elongated opening, an inside of the terminal body is rollingly provided with a flexible display screen, the flexible display screen is able to be pulled out the terminal body via the elongated opening, the control unit controls the flexible display screen to display an image. The terminal body of the present disclosure is provided with the flexible display screen which can be set in inside of the terminal body, so that the mobile terminal is small but has a big display screen.

An operation method of an electronic system includes the following steps. When a first communication module of the electronic device receives a call signal, a controller of an electronic device detects whether an expansion device is electrically connected to the electronic device. Based on a result of the controller detecting whether the expansion device is electrically connected to the electronic device, it is determined whether the electronic system performs sound amplification with a first speaker of the electronic device or performs playing with a second speaker of the expansion device.

Presented here is a handheld writing implement form factor for a mobile device. The shape of the device can correspond to the shape of a whiteboard marker. Due to the small size, the device does not have a physical keyboard or an onscreen keyboard and instead relies on environmental cues, gestural input, voice input, and touch input to interpret user instructions. For example, when the device determines from environmental cues that it is resting on a tabletop, a touch input consisting of a single press from the user is interpreted as an instruction to scroll the display. In other embodiments, the device can be used as a handheld writing implement, such as a computer stylus, or to control the device by handwriting in the air. Other uses of the device are disclosed such as making a payment, communicating with other appliances enabled for electronic communication, recording images with a gesture, etc.