Abstract: A tile for a merchandise security system includes a base, and a front wall attached to the base and operable between a shortened configuration where the front wall has a first height and a lengthened configuration wherein the front wall has a second height.

Abstract: A fan management system includes a fan and a server. The fan includes a driving circuit, and the driving circuit is configured for driving the fan. The fan operates in an operation mode. The server is connected to the fan and is configured for controlling the operation of the fan. The driving circuit outputs a digital label signal when the fan operates abnormally, and the server obtains a production history, an operation information and a warning message of the fan through the digital label signal. The server adjusts the operation mode of the fan according to the warning message simultaneously.

Abstract: A swirl structure-based exhaust aftertreatment device for an underground mining diesel vehicle comprises a water tank, a PM collection tank, an inlet tube, a high-speed rotary exhaust separator, an exhaust catalytic converter, a circulating NOx selective catalytic reduction system and an exhaust tube. The high-speed rotary exhaust separator comprises a Laval tube, a throat tube, a swirl tube and a first deposition tube. The concentration of toxic and harmful components in exhaust can be decreased below a concentration threshold, thus avoiding pipeline blockage caused by PM accumulation.

Abstract: A swirl structure-based exhaust aftertreatment device for an underground mining diesel vehicle comprises a water tank, a PM collection tank, an inlet tube, a high-speed rotary exhaust separator, an exhaust catalytic converter, a circulating NOx selective catalytic reduction system and an exhaust tube. The high-speed rotary exhaust separator comprises a Laval tube, a throat tube, a swirl tube and a first deposition tube. The concentration of toxic and harmful components in exhaust can be decreased below a concentration threshold, thus avoiding pipeline blockage caused by PM accumulation.

Abstract: A merchandise security system comprises a divider rail, a tile rail selectively engaged with the divider rail, one or more dividers slidably engaged with the divider rail, and one or more tiles slidably engaged with the tile rail, the one or more tiles configured to extend in a vertical direction relative to a base surface and the one or more tiles configured to slide along the tile rail in a horizontal direction perpendicular to the vertical direction.

Abstract: A power conversion system and an auxiliary power supplying method thereof are provided. The power conversion system includes AC and DC ports, an AC-DC converter, a bus capacitor, and a first auxiliary source. The AC port receives or provides an AC voltage, and the DC port provides or receives a DC voltage. The AC-DC converter has an AC terminal and a DC terminal electrically connected to the AC port and the DC port respectively. The bus capacitor is electrically connected to the DC terminal. The first auxiliary source has an input terminal electrically connected to the bus capacitor for receiving a capacitor voltage across the bus capacitor.

Abstract: The present disclosure provides a filter system including N common mode chokes, N+1 first capacitors, N+1 second capacitors and N+1 third capacitors. Each common mode choke includes a first winding, a second winding, a third winding and an auxiliary winding. In the k-th common mode choke, a second terminal of the k-th first capacitor, a second terminal of the k-th second capacitor and a second terminal of the k-th third capacitor are all electrically connected to a k-th electrical midpoint, and two terminals of the auxiliary winding of the k-th common mode choke are electrically connected to the k-th electrical midpoint and a (k+1)-th electrical midpoint respectively, N is a positive integer and k is a positive integer less than or equal to N.

Abstract: In a method of manufacturing a semiconductor device, an n-type source/drain epitaxial layer and a p-type source/drain epitaxial layer respectively formed, a dielectric layer is formed over the n-type source/drain epitaxial layer and the p-type source/drain epitaxial layer, a first opening is formed in the dielectric layer to expose a part of the n-type source/drain epitaxial layer and a second opening is formed in the dielectric layer to expose a part of the p-type source/drain epitaxial layer, and the n-type source/drain epitaxial layer and the p-type source/drain epitaxial layer respectively recessed. A recessing amount of the n-type source/drain epitaxial layer is different from a recessing amount of the p-type source/drain epitaxial layer.

Abstract: A method includes forming a dummy gate over a semiconductor fin; forming a source/drain epitaxial structure over the semiconductor fin and adjacent to the dummy gate; depositing an interlayer dielectric (ILD) layer to cover the source/drain epitaxial structure; replacing the dummy gate with a gate structure; forming a dielectric structure to cut the gate structure, wherein a portion of the dielectric structure is embedded in the ILD layer; recessing the portion of the dielectric structure embedded in the ILD layer; after recessing the portion of the dielectric structure, removing a portion of the ILD layer over the source/drain epitaxial structure; and forming a source/drain contact in the ILD layer and in contact with the portion of the dielectric structure.

Abstract: In an embodiment, a method includes: depositing a protective layer on a source/drain region and a gate mask, the gate mask disposed on a gate structure, the gate structure disposed on a channel region of a substrate, the channel region adjoining the source/drain region; etching an opening through the protective layer, the opening exposing the source/drain region; depositing a metal in the opening and on the protective layer; annealing the metal to form a metal-semiconductor alloy region on the source/drain region; and removing residue of the metal from the opening with a cleaning process, the protective layer covering the gate mask during the cleaning process.

Abstract: In an embodiment, a method includes: depositing a protective layer on a source/drain region and a gate mask, the gate mask disposed on a gate structure, the gate structure disposed on a channel region of a substrate, the channel region adjoining the source/drain region; etching an opening through the protective layer, the opening exposing the source/drain region; depositing a metal in the opening and on the protective layer; annealing the metal to form a metal-semiconductor alloy region on the source/drain region; and removing residue of the metal from the opening with a cleaning process, the protective layer covering the gate mask during the cleaning process.

Abstract: Anti-sweeping hook with a display hook, a helical coil, and rotating handle. The display hook may be straight with a first end and second end opposite the first end. The helical coil is disposed about the display hook and extends lengthwise along the display hook. The helical coil has a first coil end proximate the first end of the display hook. Rotation of the helical coil in a first direction loads the retail merchandise onto the display hook. Rotation of the coil in a second direction opposite the first direction removes the retail merchandise. The rotating handle is configured to determine a number of retail items stored on the display hook, based on the number and direction of rotation of the rotating handle. The rotating handle includes an MCU and wireless communications module to process and wirelessly transmit inventory data indicating the number of retail items on the display hook.

Abstract: A merchandise security system comprises a divider rail, a tile rail selectively engaged with the divider rail, one or more dividers slidably engaged with the divider rail, and one or more tiles slidably engaged with the tile rail, the one or more tiles configured to extend in a vertical direction relative to a base surface and the one or more tiles configured to slide along the tile rail in a horizontal direction perpendicular to the vertical direction.

Abstract: A dispensing system includes a track, a pusher, a biasing member, and a damper. The pusher is moveably coupled to the track. The biasing member is coupled to the pusher and the track and configured to move the pusher relative to the track in a first direction. The damper is coupled to the pusher and the track and configured to reduce a speed at which the pusher moves relative to the track in the first direction.

Abstract: An anti-sweeping hook includes a display hook, a helical coil, and a rotating handle. The display hook may be substantially straight and has a first end and a second end opposite the first end. The helical coil is disposed about the display hook and extends along a lengthwise portion of the display hook. The helical coil has a first coil end proximate the first end of the display hook. Rotation of the helical coil in a first direction loads the retail merchandise onto the display hook. Rotation of the helical coil in a second direction opposite the first direction removes the retail merchandise from the display hook. The rotating handle is configured to determine a change in an amount of stored inventory based on the amount and direction of rotation of the rotating handle.

Abstract: A product-dispensing device comprises an actuator, a locking gear, and a button which are all supported by a housing. The actuator for rotation about the first axis. The locking gear for the rotation between a first position and a second position about a second axis, the locking gear also includes a locking arm to inhibit rotation of the actuator in the second direction about the first axis when the locking arm is in the second position. The button is operably coupled to the locking gear and configured to rotate the locking gear between the first position and the second position.

Abstract: In an embodiment, a method includes: depositing a protective layer on a source/drain region and a gate mask, the gate mask disposed on a gate structure, the gate structure disposed on a channel region of a substrate, the channel region adjoining the source/drain region; etching an opening through the protective layer, the opening exposing the source/drain region; depositing a metal in the opening and on the protective layer; annealing the metal to form a metal-semiconductor alloy region on the source/drain region; and removing residue of the metal from the opening with a cleaning process, the protective layer covering the gate mask during the cleaning process.

Abstract: A product-dispensing device comprises a rod, a product-dispensing coil, an actuator, a locking gear, and a button. The rod is configured to support a product. The product-dispensing coil is disposed about the rod. The actuator is operably coupled to the product-dispensing coil for rotation about a first axis. The locking gear is rotatable between a first position and a second position and includes a locking arm configured to inhibit rotation of the actuator in the second position. The button is operably coupled to the locking gear and configured to rotate the locking gear between the first position and the second position.

Abstract: A dispensing system includes a track, a pusher, a biasing member, and a damper. The pusher is moveably coupled to the track. The biasing member is coupled to the pusher and the track and configured to move the pusher relative to the track in a first direction. The damper is coupled to the pusher and the track and configured to reduce a speed at which the pusher moves relative to the track in the first direction.

Abstract: A fan management system includes a fan and a server. The fan includes a driving circuit, and the driving circuit is configured for driving the fan. The fan operates in an operation mode. The server is connected to the fan and is configured for controlling the operation of the fan. The driving circuit outputs a digital label signal when the fan operates abnormally, and the server obtains a production history, an operation information and a warning message of the fan through the digital label signal. The server adjusts the operation mode of the fan according to the warning message simultaneously.