The present application provides an input device. The input device comprises a key module, a capacitance detection module and a control module. The key module receives a physical pressing signal and correspondingly feeds back a capacitance change signal, the capacitance detection module receives the capacitance change signal from the key module and determines the working state of the key module, and the control module receives the determination result from the capacitance detection module and correspondingly generates an input signal. The key module comprises a key switch and a capacitor circuit arranged in series. The key module responds to the external physical pressing signal, and correspondingly adjusts the capacitance value change of the key module. By serially connecting a capacitor circuit, the sensitivity of determining the working state of a key module is improved, the requirements for assembly precision of a key switch are reduced, and the installation difficulty of products is reduced. The present application further provides an input method using the input device, and a keyboard.

The present application provides an input device. The input device comprises a key module, a capacitance detection module and a control module. The key module receives a physical pressing signal and correspondingly feeds back a capacitance change signal, the capacitance detection module receives the capacitance change signal from the key module and determines the working state of the key module, and the control module receives the determination result from the capacitance detection module and correspondingly generates an input signal. The key module comprises a key switch and a capacitor circuit arranged in series. The key module responds to the external physical pressing signal, and correspondingly adjusts the capacitance value change of the key module. By serially connecting a capacitor circuit, the sensitivity of determining the working state of a key module is improved, the requirements for assembly precision of a key switch are reduced, and the installation difficulty of products is reduced. The present application further provides an input method using the input device, and a keyboard.

A switch device described by this invention a reset assistant part arranged at the second end of male leg, and a ram, the reset assistant part provided with a holding station, both sidewalls of which are each provide with a saddle, both sides of the ram provided with a cam matching with the saddle, the ram hanging from the saddle through two cams. With the structure said above, not only a photoelectrical type switch of the scissor-leg structure is realized, but also the key is enabled to have an obvious stage sense and sound.

In a pressure-sensitive touch sensor of a capacitance type, a first electrode and a second electrode are provided on a first surface of a base material sheet. The base material sheet is folded between the first electrode and the second electrode so that a surface of the first electrode and a surface of the second electrode face each other. The base material sheet is folded at a fold line portion in which a slit is formed. An elastic layer is provided between folded parts of the base material sheet. The pressure-sensitive touch sensor is configured to detect pressing on the operation surface based on a change in capacitance, which is caused when the elastic layer is compressed and deformed in a thickness direction by a pressing force to reduce a distance between the first electrode and the second electrode.

A key switch implements a receiving switch conductor and transmitting switch conductor in the key switch. Depressing the key switch will cause the receiving switch conductor and transmitting switch conductor to approach each other. The approach of a finger and movement of the key switch can be detected using the receiving switch conductor and the transmitting switch conductor.

Embodiments are directed to a sensing membrane that is coupled with electrical terminals of a key switch and a light source. This may allow the membrane to be both configured to transmit a signal in response to actuation of keyboard key cap and illuminate an illuminable symbol of key cap. In one aspect, the membrane includes a set of deformable layers separated by a spacer layer. Terminals of the key switch are connected to distinct ones of the set of deformable layers and positioned within a cavity defined by the spacer layer. A light assembly may be positioned along and configured to move with one of the set of deformable layers. Depression of a key cap toward the set of deformable layers causes the set of terminals to move and initiate a switch event.

Embodiments are directed to a sensing membrane that is coupled with electrical terminals of a key switch and a light source. This may allow the membrane to be both configured to transmit a signal in response to actuation of keyboard key cap and illuminate an illuminable symbol of key cap. In one aspect, the membrane includes a set of deformable layers separated by a spacer layer. Terminals of the key switch are connected to distinct ones of the set of deformable layers and positioned within a cavity defined by the spacer layer. A light assembly may be positioned along and configured to move with one of the set of deformable layers. Depression of a key cap toward the set of deformable layers causes the set of terminals to move and initiate a switch event.

A capacitive touch system including a drive end, a capacitive touch sensing device and a detection end is provided. The drive end inputs a modulated drive signal into an input channel of the capacitive sensing device, wherein the modulated drive signal includes a plurality of driving frequencies. The detection end detects a detection signal of an output channel of the capacitive sensing device and generates a two-dimensional detection vector corresponding to each of the driving frequencies. The capacitive touch system includes a touch panel or a touch keyboard.

A capacitive touch system including a drive end, a capacitive touch sensing device and a detection end is provided. The drive end inputs a modulated drive signal into an input channel of the capacitive sensing device, wherein the modulated drive signal includes a plurality of driving frequencies. The detection end detects a detection signal of an output channel of the capacitive sensing device and generates a two-dimensional detection vector corresponding to each of the driving frequencies. The capacitive touch system includes a touch panel or a touch keyboard.

A control system for a vehicle interior comprising a control element for a user to interact with is provided. The control element may comprise a sensing electrode configured to provide one or more electrical signals and a non-conductive cover material provided on or over the sensing electrode. The sensing electrode may be formed of or comprise a conductive plastic. The non-conductive cover material may be formed of or comprise a non-conductive plastic. The non-conductive cover material may be or comprise an outer layer, over-layer or skin of the control element. The non-conductive cover material may provide one or more touch interactive surfaces of the control element.