A detection circuit includes a first detection terminal, a second detection terminal, a first switch, a second switch, a first capacitor, a second capacitor and an amplifier. The first switch is coupled to the first detection terminal. The second switch is coupled to the second detection terminal. The first capacitor is coupled between the first switch and the second switch. The amplifier includes a first input terminal coupled to the second switch, a second input terminal used to receive an operation signal, and an output terminal used to output an output signal. The second capacitor is coupled between the first input terminal and the output terminal of the amplifier. The first switch and the second switch are turned on alternatively.

A sensor switch with water suppression includes a sensor electrode and a photodiode connected to an evaluation circuit. The evaluation circuit generates a capacitive sensor signal indicative of an electrically-conductive object in the proximity of the sensor switch and an optical sensor signal indicative of an object at least partially opaque or impermeable to light in the proximity of the sensor switch. The capacitive sensor signal and the optical sensor signal are correlated with one another to generate an output signal.

A processing system includes a level shifter, a drive circuit, and a capacitive sensing circuit. The level shifter is configured to generate a first level-shifted output corresponding to a graylevel value and a second level-shifted output corresponding to capacitive sensing control data. The drive circuit is configured to generate an output voltage based at least in part on the first level-shifted output. The capacitive sensing circuit is configured to receive a resulting signal from a sensor electrode and generate, based at least in part on the second level-shifted output, a capacitive sensing output corresponding to the resulting signal.

This disclosure relates to speakers and more specifically to an array speaker for distributing music uniformly across a room. A number of audio drivers can be radially distributed within a speaker housing so that an output of the drivers is distributed evenly throughout the room. In some embodiments, the exit geometry of the audio drivers can be configured to bounce off a surface supporting the array speaker to improve the distribution of music throughout the room. The array speaker can include a number of vibration isolation elements distributed within a housing of the array speaker. The vibration isolation elements can be configured reduce the strength of forces generated by a subwoofer of the array speaker.

A capacitive switch includes a drive circuit, a detection circuit, a reference circuit and an identification unit. The drive circuit outputs a drive signal and a switching signal, wherein the drive signal is outputted to a first node and a second node. The detection circuit is sequentially coupled to the first node and the second node according to the switching signal and generates a first detection signal according to the drive signal. The reference circuit is sequentially coupled to the second node and the first node according to the switching signal and generates a second detection signal according to the drive signal. The identification unit includes a first input terminal and a second input terminal respectively coupled to the first node and the second node, and identifies a phase shift between inputted detection signals received by the first input terminal and the second input terminal.

An input device, comprising an input interface, an adjustable capacitor, a memory and a processor, wherein the input interface is abutted with the adjustable capacitors; the memory is electrically connected with the adjustable capacitor and the processor, respectively, the input interface is used for generating pressing signals after being physically pressed so as to change the capacitance of the adjustable capacitor, the adjustable capacitor is used for correspondingly responding to the pressing signals of the input interface and outputting the capacitance changing signals, the memory is used for receiving the capacitance changing signals of the adjustable capacitor and finding corresponding output signals from the look-up table pre-stored in the memory; and the processor is used for receiving the output signals of the memory and feeding back the first input signal or the second input signal..

A push button-equipped touch panel includes a touch panel, a cover panel and a push button part. The cover panel is disposed on an operation surface side of the touch panel and has a through hole. The push button part is disposed in the through hole of the cover panel.

A composite pane with a capacitive switching zone includes a substrate, a first intermediate layer areally bonded to the substrate, a second intermediate layer areally bonded to the first intermediate layer, and a cover pane areally bonded to the second intermediate layer. A carrier film with an electrically conductive layer is arranged between the first and second intermediate layers. A capacitive switching zone is electrically isolated from the electrically conductive layer by a coating-free separating line, the capacitive switching zone has a contact zone, a supply line zone, and a connection zone; the supply line zone electrically connects the contact zone to the connection zone, and the connection zone is electrically connectable to sensor electronics. The surface capacitance between the contact zone and the outside surface of the substrate is greater than the surface capacitance between the contact zone and the outside surface of the cover pane.

First and second bridging portions (63a and 63b) is disposed so as to form a shock absorbing space (63c) between the sensor accommodating portion (61) and the fixing portion (62), and elastically deformed by external force, and the paired bridging portions (the shock absorbing space (63c)) is caused to function as a shock absorbing portion (63). Furthermore, the sensor accommodating portion (61) is thinner than each pf the bridging portions (63a and 63b), after the sensor accommodating portion (61) is elastically deformed and a contact of a blockage is detected, the first and second bridging portions (63a and 63b) can be elastically deformed to absorb a shock. Therefore, it is possible to significantly reduce a load on the blockage in comparison with the conventional technique. Since the drive unit is reversely driven after shock absorption, it is possible to reduce the load on the drive unit and so forth, and to inhibit the occurrence of inconvenience such as burning.

A display device includes a substrate, an encapsulation portion on the substrate, a seal portion between the substrate and the encapsulation portion, and at least one dummy seal portion around the seal portion. The substrate and the encapsulation portion at least partially overlap each other in a first direction perpendicular to a surface of the substrate. The dummy seal portion is, when viewed in the first direction, arranged in an area between an edge of the seal portion and a boundary line of an overlapping area of the substrate and the encapsulation portion.