A push switch includes a movable contact member, a first fixed contact, and a second fixed contact. The push switch is in a first contact state in a first contact position where the movable contact member contacts the first fixed contact, and is in a second contact state in a second contact position where the movable contact member contacts the second fixed contact. The push switch is not switched to an on state in response to transitioning from an off state to the first contact state, and is switched to the on state in response to further transitioning to the second contact state, and the push switch is not switched from the on state to the off state in response to the second contact state being released, and is switched from the on state to the off state in response to the first contact state being further released.

A configuration is implemented that can adjust a stroke of an operation section of a switch required to cause predetermined processing to be executed. The present disclosure includes an operation section that can move in a predetermined direction from an initial position by a user operation, a position adjustment section that adjusts, in the predetermined direction, an amount of movement of the operation section from the initial position to a detection position, a position detection section that detects a position of the operation section with respect to the detection position, and a control section that controls execution of processing corresponding to the detection position based on a detection result from the position detection section.

A keyboard device includes plural key structures. Each key structure includes a plate assembly, a keycap assembly, an elastic element, a connecting member and a signal generator. The plate assembly includes a membrane switch. The keycap assembly is located over the plate assembly. The elastic element is arranged between the plate assembly and the keycap assembly. The connecting member is arranged between the plate assembly and the keycap assembly. The connecting member includes a triggering part. The signal generator is installed on the plate assembly. While the keycap assembly is moved toward the plate assembly through the connecting member, the triggering part is moved downwardly to trigger the signal generator to generate a first signal. After the signal generator is triggered, the keycap assembly is continuously moved downwardly and the membrane switch is triggered to generate a second signal.

A high speed arc suppressor and method include a first phase-specific arc suppressor configured to suppress arcing across contacts of the power contactor in a positive domain and a second phase-specific arc suppressor configured to suppress arcing across the contacts in a negative domain. First and second high speed switches are configured to enable and disable operation of an associated one of the first and second phase-specific arc suppressors. First and second drivers are configured to drive the first and second high speed switches.

When an initial position of an enabling switch is given as a first position (301), a position of the enabling switch in which a movable member is most pressed is given as a third position (303), and a rising start position of a maximum rise of a load is given as a second position (302), the rising start position being between the first position (301) and the third position (303), a minor peak (341) of the load appears between the first position (301) and the second position (302). An ON switching position (311) is between a falling start position (323) of the minor peak (341) and the second position (302). A maximum load during the minor peak (341) is greater than or equal to the load in the ON switching position (311) and less than or equal to the load in an OFF switching position (312).

When an initial position of an enabling switch is given as a first position (301), a position of the enabling switch in which a movable member is most pressed is given as a third position (303), and a rising start position of a maximum rise of a load is given as a second position (302), the rising start position being between the first position (301) and the third position (303), a minor peak (341) of the load appears between the first position (301) and the second position (302). An ON switching position (311) is between a falling start position (323) of the minor peak (341) and the second position (302). A maximum load during the minor peak (341) is greater than or equal to the load in the ON switching position (311) and less than or equal to the load in an OFF switching position (312).

A switch device includes a first rubber dome, a second rubber dome, and a slider disposed on the first rubber dome and the second rubber dome. The slider presses the upper surface of the first rubber dome, causing deformation of the first rubber dome when the slider is moved toward the first and second rubber domes, and presses the upper surface of the second rubber dome, causing deformation of the second rubber dome when the slider is further moved toward the first and second rubber domes in a state in which the first rubber dome is subjected to the deformation. A thick portion is formed on each side of the second rubber dome so as to increase the thickness on the each side of the second rubber dome. Each side of the second rubber dome is in a direction in which the first and second rubber domes are aligned.

A switch device includes a first rubber dome, a second rubber dome, and a slider disposed on the first rubber dome and the second rubber dome. The slider presses the upper surface of the first rubber dome, causing deformation of the first rubber dome when the slider is moved toward the first and second rubber domes, and presses the upper surface of the second rubber dome, causing deformation of the second rubber dome when the slider is further moved toward the first and second rubber domes in a state in which the first rubber dome is subjected to the deformation. A thick portion is formed on each side of the second rubber dome so as to increase the thickness on the each side of the second rubber dome. Each side of the second rubber dome is in a direction in which the first and second rubber domes are aligned.

An electronic device is provided. The electronic device includes a touchscreen, at least one processor electrically connected with the touchscreen, and a memory electrically connected with the processor. The memory may store instructions executed to enable the at least one processor to display a first window for running a first application and a second window for running a second application on the touchscreen, display a virtual keypad on a portion of the first window and a portion of the second window corresponding to a first input to a focused window of the first window and the second window, and vary a size of the virtual keypad corresponding to a second input to the virtual keypad.

An electronic device is provided. The electronic device includes a touchscreen, at least one processor electrically connected with the touchscreen, and a memory electrically connected with the processor. The memory may store instructions executed to enable the at least one processor to display a first window for running a first application and a second window for running a second application on the touchscreen, display a virtual keypad on a portion of the first window and a portion of the second window corresponding to a first input to a focused window of the first window and the second window, and vary a size of the virtual keypad corresponding to a second input to the virtual keypad.