Abstract: A circuit includes a controller configured to control switching of a first transistor and a second transistor in switching converter. The controller includes a compensation loop and a deadtime circuit. The compensation loop is configured to provide a compensation value. The deadtime circuit is configured to determine a deadtime value based on the compensation value. The deadtime value defines an interval between turn-off of the first transistor and turn-on of the second transistor.

Abstract: A system having, for example, data lines. In a case of any device that loses power, to keep communications, the data lines may be disconnected from, for instance, a physical layer transceiver, and at the same time, the lines may be connected to other lines to bypass the powered-off device. FETs and reed switches may be used for connection, disconnection and bypass functions.

Abstract: A wall mountable sensor module includes a housing defining an internal space that is segmented into a first internal space and a second internal space. The first internal space defines an air channel that extends from an air inlet to an air outlet. Two or more sensors are configured to be exposed to the air flow channel. A first sensor is configured to detect a first air parameter and a second sensor is configured to detect a second different air parameter, wherein the second sensor is situated downstream of the first sensor in the air flow channel. The sensor module includes a fan housed by the housing, the fan configured to cause an airflow to flow in through the air inlet, through the air flow channel thereby exposing each of the sensors to the airflow, and out through the air outlet.

Abstract: Aiming devices and methods thereof are provided. First, a ranging unit is used to perform a ranging operation on an object to obtain a corresponding object distance. Then, a plurality of compensation positions are displayed on a display unit of an aiming device, and a ballistic compensation program is used to calculate a target position among the compensation positions according to the object distance. When the aiming device moves, the number of the compensation positions displayed on the display unit will be changed. It is to determine whether the aiming device is located at the target position. When the aiming device is at the target position, the display unit will only display the target position among the compensation positions or no longer performs the compensation.

Abstract: A furniture assembly includes a panel and a fitting member. The panel is arranged with a first connecting feature. The fitting member is arranged with a second connecting feature configured to be detachably connected with the first connecting feature. The second connecting feature is formed with a space. A guiding section and an engaging section adjacent to the guiding section are arranged in the space. During a process of the fitting member being mounted to the panel, the space is configured to allow the first connecting feature to enter therein, and the guiding section is configured to guide the first connecting feature to be engaged with the engaging section, in order to detachably connect the fitting member with the panel. The present invention also provides a furniture system.

Abstract: A furniture assembly includes a panel, a connecting member and an auxiliary device. The panel has a first side and a second side. The connecting member is arranged adjacent to one of the first side and the second side of the panel. The connecting member includes a first part and a second part. The first part is configured to be connected to the panel. The auxiliary device is configured to be mounted to the second part of the connecting member. The auxiliary device is configured to increase a height of the furniture assembly above the panel. The present invention also provides a furniture system.

Abstract: In at least one example, an apparatus includes a current sense circuit, an imbalance detector, and a current balancer. The current sense circuit including a first phase input, a second phase input, a first sense output, and a second sense output. The imbalance detector having a detector output, a first detector input, and second detector input. The first detector input is coupled to the first sense output and the second detector input is coupled to the second sense output. The current balancer having a balancer input and a balancer output. The balancer input is coupled to the detector output.

Abstract: A slide rail assembly includes a first rail, a second rail, an aid-sliding device, a compensating device and a third rail. The aid-sliding device is movably mounted between the first rail and the second rail. The compensating device is movably mounted on the second rail. The second rail is configured to be movably mounted on the third rail. The compensating device is configured to compensating an error of a relative position of the first rail and the second rail.

Abstract: A ranging telescope includes an object lens unit, an image turning module, an eyepiece unit and a display. Ambient light passes through the object lens unit, the image turning module and the eyepiece unit to form an ambient light path. The display is configured to generate display light which passes through the image turning module and then through the eyepiece unit. The light flux regulator is disposed in the ambient light path and between the object lens unit and the eyepiece unit, for regulating flux of the ambient light or the display light that passes through the eyepiece unit, so as to regulate an intensity difference between the ambient light and the display light passing through the eyepiece unit.

Abstract: An optical system includes an objective lens module, an image inverting module, and an eyepiece module. The objective lens module includes a first lens group, a second lens group, a third lens group, a fourth lens group, and a fifth lens group. The optical system satisfies at least one of the following conditions: 0.45?LG4D/LG1D?0.8; 0.015 mm?1?1/fG3?0.045 mm?1; 0.045 mm?1?|1/fG4|?0.07 mm?1; 0.35?|fG4/fG3|?0.75; 0.15?fG1/f?1.6; wherein LG4D is an effective optical diameter of the fourth lens group, LG1D is an effective optical diameter of the first lens group, fG1 is an effective focal length of the first lens group, fG3 is an effective focal length of the third lens group, fG4 is an effective focal length of the fourth lens group, and f is an effective focal length of the objective lens module.

Abstract: Disclosed are an aminosilane modified tackifier and a preparation method therefor, and a silane modified polyether adhesive and a preparation method therefor. The aminosilane modified tackifier has the following structure. The aminosilane modified tackifier is added in the silane modified polyether adhesive of the present disclosure, such that the silane modified polyether adhesive has high adhesion property with a base material, particularly high water-soaking adhesion property, and meanwhile has high comprehension properties such as high displacement capability, high elasticity recovery rate and high cohesion strength, and thus has significant advantages compared with the existing products in the market.

Abstract: A surface cleaning apparatus adapted for movement across a surface to be cleaned. The surface cleaning apparatus can dock within a storage tray and charge a power supply. Electrical contacts on the surface cleaning apparatus and the storage tray can be shielded when the surface cleaning apparatus is not docked within the storage tray. Furthermore, the storage tray can include a reservoir for a self-cleaning mode.

Abstract: An example apparatus includes: a first and second capacitor; a first and second inductor; a first switch having a first and second terminal, the first terminal coupled to the first capacitor, and the second terminal coupled to the first and second inductor; a second switch having a third and fourth terminal, the third terminal coupled to the second terminal, the fourth terminal coupled to the second capacitor; a third switch having a fifth and sixth terminal, the fifth terminal coupled to the first terminal, the sixth terminal coupled to the second inductor; and a diode having a seventh and eighth terminal, the seventh terminal coupled to the sixth terminal, the eighth terminal coupled to the fourth terminal.

Abstract: A DC-DC converter includes a ramp generator, a threshold voltage circuit, and a control circuit. The ramp generator is configured to generate a voltage ramp. The threshold voltage circuit is configured to generate a threshold voltage. The control circuit is coupled to the ramp generator and the threshold voltage circuit. The control circuit includes a digital pulse width modulator (DPWM) circuit and a loop compensation circuit coupled to the DPWM circuit. The DPWM circuit is configured to generate a power stage switch control signal responsive to a loop compensation value. The loop compensation circuit is coupled to the DPWM circuit. The loop compensation circuit is configured to calculate the loop compensation value responsive to the voltage ramp exceeding the threshold voltage.

Abstract: A lighting module includes a lighting unit, a cylindrical optical element, a supporting unit, and a base. The supporting unit connects the base and a part of the supporting unit is higher than a junction of the base and the supporting unit. The lighting unit is disposed on the base and includes a lighting surface emitting a light beam. The cylindrical optical element includes an incident surface and both ends of the cylindrical optical element are respectively connected to the supporting unit making the incident surface facing the lighting surface and having an interval from the lighting unit to the incident surface, and the light beam enters the cylindrical optical element from the incident surface. The lighting module satisfies the following condition: 2?D/E?6; wherein D is a diameter of the cylindrical optical element and E is the interval from the lighting unit to the incident surface.

Abstract: A lens assembly for display includes a display, a lens assembly, and a prism assembly. The display emits a first light beam. The lens assembly includes a first, second, and third lenses. The prism assembly includes a first, second prisms, and an optical multilayer film, wherein the first prism includes a first, second, and third surfaces and the second prism includes a fourth, fifth, sixth, seventh, and eighth surfaces. The lens assembly for display satisfies at least one of following conditions: 0.60?Din/TTL?0.75; 0.28?Din/f123?0.35; 4.56 mm?Din?5.02 mm; wherein Din is an effective optical diameter of the light incident surface, TTL is an interval from the light incident surface to the light emitting surface along the optical axis, and f123 is an effective focal length of a combination of the first lens, the second lens, and the third lens.

Abstract: An optical system and the adjusting device thereof. The optical system includes an optical device. The adjusting device is configured for adjusting a location of a center of the optical device. The adjusting device includes a first adjusting element which is movable along a first axis and is propped against the optical device, a second adjusting element which is movable along a second axis and is propped against the optical device, and a third adjusting element which is movable along a third axis and is propped against the optical device. The center of the optical device is spaced apart from where the first axis and the second axis meet and/or where the first axis and the third axis meet.