Embodiments of a disconnector and a switchgear, wherein the disconnector comprises a contact assembly operable to change a status of a circuit, the disconnector arranged in the circuit; shafts adapted to be driven to rotate to operate the contact assembly; and a transmission unit arranged between the shafts and comprising: a plurality of gears coupled to the shafts to enable the shafts to rotate with a mutual engagement of the plurality of gears; and a holding assembly adapted to hold radial positions of the plurality of gears to ensure the mutual engagement of the plurality of gears. By arranging the holding assembly to hold the radial positions of the gears to ensure the mutual engagement of the plurality of gears, only one input shaft and one transmission unit are enough to transmit large torques sufficient to operate the contact assembly.

A cover type touch switch structure includes: a seat housing embedded in a seat of a vehicle so as to be fastened to a seat frame; a switch housing disposed in the seat housing and including an outer surface which is coupled to the seat housing via a hook; a light-emitting unit which is disposed in the switch housing and stacked on the seat frame; and a knob unit which has a portion disposed in the switch housing and is stacked on the light-emitting unit.

A cover type touch switch structure includes: a seat housing embedded in a seat of a vehicle so as to be fastened to a seat frame; a switch housing disposed in the seat housing and including an outer surface which is coupled to the seat housing via a hook; a light-emitting unit which is disposed in the switch housing and stacked on the seat frame; and a knob unit which has a portion disposed in the switch housing and is stacked on the light-emitting unit.

Embodiments of the present disclosure provide a display device. The display device includes: a display panel; a control circuit board; and a rotary knob assembly connected to the control circuit board. The rotary knob assembly includes a rotary rod and a rotary knob cap, the rotary rod is connected to the rotary knob cap, and the rotary knob cap is configured to drive the rotary rod to rotate. The display panel is connected to the control circuit board, the rotary knob assembly is configured for generating a signal according to an action of the rotary knob cap and transmitting the signal to the control circuit board, and the control circuit board is configured for controlling the display panel to display according to the signal.

Embodiments of the present disclosure provide a display device. The display device includes: a display panel; a control circuit board; and a rotary knob assembly connected to the control circuit board. The rotary knob assembly includes a rotary rod and a rotary knob cap, the rotary rod is connected to the rotary knob cap, and the rotary knob cap is configured to drive the rotary rod to rotate. The display panel is connected to the control circuit board, the rotary knob assembly is configured for generating a signal according to an action of the rotary knob cap and transmitting the signal to the control circuit board, and the control circuit board is configured for controlling the display panel to display according to the signal.

A numerical key unit 70 mounted in a mounting portion 12 of an image forming apparatus 1 and card reader of inputting information to the image forming apparatus 1 includes a casing 71 mounted on the mounting portion 12, an operating key 100 comprised of a hardware key capable of inputting information on a numerical value, a substrate 73 provided inside the casing 71, a main assembly-side cable 76 connected to a connector 85 mounted on the substrate 73 and electrically connecting the image forming apparatus 1 and the numerical key unit 70, and a first opening 71a through which the main assembly-side cable 76 is inserted. The first opening 71a is provided on a bottom of the casing 71 so that in a thickness direction of the substrate 73, the main assembly-side cable 76 is exposed to an outside of the casing 71 from a surface on a side opposite from a surface where the operating key 100 is provided.

An indicating device for a dual power automatic transfer switch, which includes a first driving part connected to a first moving contact of a first power supply and a second driving part connected to a second moving contact of a second power supply; the indicating device includes a mechanical indicating device, an electrical indicating device and an indicating part acting on the mechanical indicating device and the electrical indicating device; the first and the second driving part respectively drive the indicating part to move; the electric indicating device at least includes a first and second switching device; the first switching device at least includes a first contact of the first switching device and a second contact of the first switching device which are connected in parallel; the second switching device at least includes a first contact and a second contact of the second switching device which are connected in parallel.

An indicating device for a dual power automatic transfer switch, which includes a first driving part connected to a first moving contact of a first power supply and a second driving part connected to a second moving contact of a second power supply; the indicating device includes a mechanical indicating device, an electrical indicating device and an indicating part acting on the mechanical indicating device and the electrical indicating device; the first and the second driving part respectively drive the indicating part to move; the electric indicating device at least includes a first and second switching device; the first switching device at least includes a first contact of the first switching device and a second contact of the first switching device which are connected in parallel; the second switching device at least includes a first contact and a second contact of the second switching device which are connected in parallel.

The invention relates to a method for installing a piece of home automation equipment, and to a system for adjustably attaching a piece of home automation equipment to a wall, comprising at least two supports (1), each one comprising a support shaft and a holding device, and at least two adjustable attaching elements. The adjustable attaching elements each comprise a supporting frame (2) and a mechanical connection element (3). The adjustable attaching elements also comprise a locking device.

An electrical control system, in particular for home automation systems, includes at least one electronic switching device including a switching module (10) which includes a switching circuit, including at least one controlled switch which allows a selective implementation of a switch configuration, a diverter configuration or an inverter configuration and a plurality of terminals which allow the connection of the switching module to an external electrical system. The switching module allows selective application of the switch configuration of the switching circuit or diverter configuration of the switching circuit or inverter configuration of the switching circuit to terminals in a partial way, or total way, or to implement a total separation to said terminals.