A backlight control system includes a keyboard device and a computing device. The keyboard device includes a fixed light sheet, at least one movable light sheet, a light guide module and a key module. The computing device includes a processing unit. The movable light sheet is detachably and electrically connected with the fixed circuit board. The fixed light sheet projects a first light beam to plural keys of the key module through the light guide module. In a special scenario mode, the processing unit drives the movable light sheet to project a second light beam to at least one special key of the key module.

An illuminated glass keycap having a glyph diffuser layer that may diffuse light through a glyph window opened in a background layer. The background layer may be opaque and the glyph window may be transparent. The keycap is adhered to a scissor mechanism positioned above electrical switch circuitry. Included within, below, or adjacent to the scissor mechanism may be one or more light sources positioned to emit light through the keycap, around the perimeter of the keycap, and/or through the background layer.

An input module includes a knob, a first circuit board, an optical transmitter and an optical receiver. The knob has a peripheral surface. The optical transmitter is disposed on the first circuit board and faces the peripheral surface, wherein the optical transmitter is configured to emit a detecting light to the peripheral surface. The optical receiver is disposed on the first circuit board and configured to receive a reflected light of the detecting light reflected from the peripheral surface.

A keyboard device includes a substrate, a touch panel module, a cover plate, a cover layer, an elastic layer, and an adhesive layer. The touch panel module is disposed on a top surface of the substrate and includes a circuit board. The cover plate covers the top surface and includes an avoidance hole defined through an upper surface and a lower surface of the cover plate. The cover layer covers the upper surface and includes a through hole. The through hole corresponds to the avoidance hole. The elastic layer is in the through hole and includes a peripheral portion. The peripheral portion is seamlessly connected to a hole edge of the through hole. The adhesive layer is adhered between a first inner surface of the cover layer and the upper surface and adhered between a second inner surface of the elastic layer and the circuit board.

Devices, systems, and methods of the present disclosure are directed to facilitating control of a graphical user interface associated with performing a medical procedure. Inputs can be received from a plurality of input devices interacting with respective sets of input options displayed on respective portions of the graphical user interface. One of the input devices can be operable by a physician, during a medical procedure, to navigate a set of input options to modify a graphical representation of at least one of a medical device and an anatomic structure displayed on the graphical user interface.

The present application relates to an operating appliance for interacting with a user, including a transparent cover device, a support device with a sensor cutout, and a pressure switch, wherein the transparent cover device forms an operating area and a lower side lying opposite to the operating area and the support device is arranged on or at the lower side and the pressure switch is located and aligned within the sensor cutout in such a way that a user input by means of a finger of the user on the operating area is detectable by the pressure switch, wherein a finger indentation is provided on the operating area and arranged above the pressure switch.

Aspects of the present disclosure involve a system and a method for performing operations comprising: detecting physical touch of a touch-sensitive component on a back portion of a client device, the client device displaying a graphical user interface on a touch-sensitive display screen of a front portion of the client device; in response to detecting the physical touch, transmitting an electrical signal representing the physical touch of the touch-sensitive component on the back portion of the client device to the touch-sensitive display screen of the front portion of the client device; and causing an operation associated with the graphical user interface to be executed in response to the touch-sensitive display screen receiving the electrical signal representing the physical touch of the touch-sensitive component on the back portion of the client device.

An optical switch module including a light generation circuit, a light receiving circuit, and a control unit is provided. The light generation circuit includes a light generation unit and a control end, and generates light according to a control signal from the control end. The light receiving circuit includes a light receiving unit and a signal reading end, and is configured to receive light to generate a detection signal at the signal reading end. The control unit is configured to generate the control signal and receive the detection signal. The control unit further selectively configures the signal reading end in an input mode or an output mode. Before the control unit configures the signal reading end in the input mode to read the detection signal, the control unit configures the signal reading end in the output mode to pull up a potential of the light receiving unit.

A backlight module includes a cover plate, a light guide plate, a circuit board, a reflective layer, and a light source. The light guide plate is disposed under the cover plate and has a first hole corresponding to a light-shielding region of the cover plate. The circuit board is disposed under the light guide plate and includes a first substrate and a conductive layer having a through hole. The reflective layer is disposed between the light guide plate and the circuit board and has a second hole. The first substrate is in contact with the reflective layer. The conductive layer is disposed between the first substrate and the reflective layer having a recess recessed into the through hole. The light source is disposed on the circuit board, accommodated in the first hole and the second hole corresponding thereto, and in contact with the conductive layer.

A voice-controlled electronic device that includes a device housing having a longitudinal axis bisecting opposing top and bottom surfaces and a side surface extending between the top and bottom surfaces. The device can further include one or more microphones disposed within the device housing and distributed radially around the longitudinal axis; a processor configured to execute computer instructions stored in a computer-readable memory for interacting with a user and processing voice commands received by the one or more microphones and first transducer and second transducers configured to generate sound waves within different frequency ranges.