Abstract: A laser diode includes an original substrate having a substrate coefficient of thermal expansion, an epitaxy structure formed on the original substrate, and a composite multi-layer metal board disposed below the original substrate and at least including a first metal layer and a second metal layer. The first metal layer and the second metal layer are stacked, a material of the first metal layer is different from a material of the second metal layer, and the composite multi-layer metal board has a modified coefficient of thermal expansion. The original substrate has an initial thickness as the epitaxy structure is grown thereon, the original substrate is thinned to a combining thickness for attaching the composite multi-layer metal board, and the modified coefficient of thermal expansion of the composite multi-layer metal board is proximate to the substrate coefficient of thermal expansion.

Abstract: A driving device comprises a first complementary metal-oxygen-semiconductor circuit and a first comparator. The first complementary metal-oxygen-semiconductor circuit is configured for outputting a power signal or a pull-down signal according to the first input signal. The first comparator comprises a first non-inverting input terminal and a first inverting input terminal. The first non-inverting input terminal is coupled to the first complementary metal-oxygen-semiconductor circuit, and is configured to receive the power signal or the pull-down signal. The first inverting input terminal is configured for receiving a first reference signal, and the first comparator is configured to compare one of the power signal and the pull-down signal and the first reference signal to provide a first driving signal.

Abstract: A controlling method for a wireless communication device is provided. The controlling method for the wireless communication device includes: attaching a first Universal Subscriber Identity Module (USIM) to a Long-Term Evolution (LTE) network; determining whether a second USIM is camped on the LTE network; detecting whether a paging collision is happened, if the second USIM is camped on the LTE network; generating a requested International Mobile Subscriber Identity (IMSI) offset for the second USIM, if the paging collision is happened, wherein the requested IMSI offset is 1 or min(T, nB)?1, T is a default paging period and nB is a number of paging occurrences within the default paging period; transmitting an attach request with the requested IMSI offset to the LTE network for the second USIM; receiving a negotiated IMSI offset from the LTE network; and attaching the second USIM to the LTE network with the negotiated IMSI offset.

Abstract: A multi-phase coupled inductor includes a first iron core, a second iron core, and a plurality of coil windings. The first iron core includes a first body and a plurality of first core posts. The plurality of first core posts are connected to the first body. The second iron core is opposite to the first iron core. The second iron core and the first body are spaced apart from each other by a gap. The plurality of coil windings wrap around the plurality of first core posts, respectively. Each of the coil windings has at least two coils.

Abstract: A non-contact switch and a non-contact switch control system are provided. The non-contact switch control system includes multiple non-contact switches, each including an infrared light module, a brightness sensing unit, a second switch module and a processing unit. The infrared light module includes a first switch module, transmitting unit and receiving unit. The first switch module has a first switch state. The transmitting unit connected to the first switch module emits infrared light according to the first switch state. The receiving unit receives a reflected light of the infrared light. The brightness sensing unit generates brightness information according to an ambient light. The second switch module has a second switch state. The processing unit is connected with the infrared light module, the brightness sensing unit and the second switch module, and controls the second switch state according to the reflected light and the brightness information.

Abstract: A method for gating in tomographic imaging system includes steps of: (a) performing a tomographic imaging on an object with a target moving periodically along a first axis for acquiring projection images; (b) obtaining projected curves by summing up pixel values along a direction of a second axis perpendicular to the first axis in each projection image; (c) determining a target zone on the projection images, wherein a central position on the first axis of the target zone is corresponding to a position having the largest variation in the projected curves on the first axis; (d) calculating parameter values of pixel values in the target zones and obtaining a curve of a moving cycle of the target according to the parameter values; and (e) selecting the projection images under the same state in the moving cycle for image reconstruction according to the curve of the moving cycle of the target.

Abstract: A method of manufacturing a positive electrode material has the steps of synthesizing an iron metal in a phosphoric acid solution to form an iron phosphate dispersion solution; adding a vanadium pentoxide (V2O5), a non-ionic surfactant and a carbon source to the iron phosphate dispersion solution; and adding a lithium salt to the iron phosphate dispersion solution and then grinding and dispersing it to produce a positive electrode material. By regulating the timing of the addition of vanadium pentoxide (V2O5), the present invention enables the battery made of the positive electrode material to have the advantage of higher battery performance.

Abstract: An electrical device and an operation control method are provided. The electronic device includes a touch module and a processor. The touch module includes a touchable region. The touchable region is divided into at least a first touchable region and a second touchable region. The first touchable region is configured to implement a first function. The second touchable region is configured to implement the first function and a second function. The processor is electrically connected to the touch module. When at least one first touch point is detected in the first touchable region, at least one second touch point is detected in the second touchable region, and the processor determines that a distance between the first touch point and the second touch point is within a predetermined distance, the second touchable region is switched to implementing the first function.

Abstract: A visual examining and training device includes a wearing unit that is suitable for wearing on a head of a user, that is configured to be disposed in front of the eyes of the user, and that has a main housing, and two lens adjusting units spacedly disposed in the main housing and each of which includes a lens carrier having a tubular member defining an inner space, a rotary lens holder assembly disposed in the inner space, two prisms coaxially disposed in the rotary lens holder assembly, a focal length adjusting lens disposed in the inner space spaced apart from the prisms, and a drive mechanism connected to the rotary lens holder assembly for driving the same together with the prisms to rotate. A control unit is signally connected to the drive mechanisms of the lens adjusting units for controlling operation of the same.