Abstract: An electrical connector includes an insulating housing and a plurality of electrical terminals. A top wall of the insertion space defines a plurality of terminal grooves recessing upward. The plurality of electrical terminals are arranged in the plurality of the terminal grooves. Each of the plurality of the electrical terminals has a fixing portion. A middle of the fixing portion is of a hollow shape and is defined as a material reduction area. A front end of the fixing portion is connected with a contacting portion. A bottom of the fixing portion extends downward to form a guiding portion. A rear of the guiding portion is bent sideward and then is bent frontward to form a material increase area. two sides of the guiding portion are chamfered to form two chamfers. A bottom end of the guiding portion extends rearward to from a soldering portion.

Abstract: A method to be implemented by a computer system includes: transforming each of training images into a respective transformed training image; calculating a classification loss value based on detection results that are acquired from parking status prediction results obtained by performing feature extraction on the transformed training images; and adjusting candidate spatial transforming parameters, candidate feature extraction parameters and candidate logistic regression parameters when it is determined that a combination of the aforementioned parameters is not optimal based on the classification loss value, followed by repeating above-mentioned steps using the adjusted parameters.

Abstract: A kickback structure for a toy gun, the toy gun has a body portion and a barrel connected to the barrel, the handle portion is provided with the handle and the trigger assembly, and has a chamber inside. A piston is pushed forward by a first spring, and the a front and the back of the body portion are respectively provided with an aiming base and a fixed base, and the aiming base is provided with a through hole at the center, and the through hole is provided with a sliding sleeve, and the sliding sleeve is internally coupled between the sliding sleeve and the fixed base. A pushing rod is normally stretched by the second spring.

Abstract: A device for monitoring healthy status of machinery mounts is provided, which may include a plurality of vibration detectors, a signal acquisition device and a signal processor. The vibration detectors may detect the vibration signals from of a machine device, where the machine device may include a plurality of machinery mounts. The signal acquisition device may receive the vibration signals of the vibration detectors. The signal processor may execute a modal frequency analysis process to analyze the vibration signals of the vibration detectors, and calculate a vibration mode corresponding to the natural frequency of the machinery mounts in current status to serve as the test mode; then, the signal processor may compare the test mode with a reference mode to determine the healthy status of the machinery mounts, where the reference mode is corresponding to the natural frequency of the machinery mounts in the optimized status.

Abstract: A magnetic nanoaggregate-embedded bead (NAEB), a manufacturing method thereof and a bioparticle detection method using the same are disclosed. The magnetic NAEB has a protective nanoshell, noble metal nanoparticles, Raman reporter molecules and at least one magnetic nanoparticle. The protective nanoshell covers the noble metal nanoparticles, the Raman reporter molecules and the at least one magnetic nanoparticle. The noble metal nanoparticles, the Raman reporter molecules and the at least one magnetic nanoparticle form a magnetic nanoaggregate. Preferably, a chemical modification is performed on the magnetic NAEB, such that at least one targeting molecule is formed on an outer wall of the protective nanoshell, wherein a type of the targeting molecule is corresponding to a type of the bioparticle to be detected.

Abstract: The invention discloses a positioning light beam emission system, a method and an indoor positioning system. A positioning space includes a plurality of positioning sub-spaces. A plurality of positioning light beam emission devices are fixed at predetermined positions in the plurality of positioning sub-spaces, respectively, and the positioning light beam emission devices are used for sweeping positioning light beams toward the respective positioning sub-spaces in which they are located with a predetermined sweeping cycle and at a predetermined angular velocity. The positioning light beam has a linear cross section and is rotated about a sweeping rotation axis, and the sweeping rotation axis is not perpendicular to an extending direction of the linear cross section.

Abstract: A torque detection device of a rear frame of an electrically assisted bicycle includes two displacement detection units and a processing unit. The displacement detection units are installed at upper and lower fork arms of the rear frame respectively for detecting and converting displacement into force. Through mechanical analysis and mathematical operations, the processing unit processes signals obtained by the displacement detection units to remove any force perpendicular to a road surface and obtain a rider's treading torque while pedaling a pedal crank module. The displacement detection units are mounted onto the upper and lower fork arms without requiring any rotary joint. The displacement detection units are displacement detection devices applying different physical and chemical methods, such as strain gauges, piezoelectric sensors, electromagnetic sensors, capacitive sensors, or optical sensors.

Abstract: A switch module includes an outer shell, a button and a bracket. The button is disposed to the outer shell. The button has a base board. One side of a bottom surface of the base board is recessed in the upward direction to form an avoiding groove. A rear of the bottom surface of the base board protrudes in the downward direction to form a driving pillar. The bracket is disposed under the button. A top surface of the bracket is recessed in the downward direction to form an accommodating groove. A top surface of a bottom wall of the accommodating groove is defined as a stopping surface. The driving pillar projects beyond the stopping surface. A front end of the top surface of the bottom wall of the accommodating groove is recessed downward to form an avoiding plane.

Abstract: An electrical connector includes an insulating housing, a center plate fastened in the insulating housing, and a terminal assembly fastened in the insulating housing. The center plate has a base plate. Rears of two opposite sides of the base plate are connected with two connecting feet. A pair of the bending arms are connected with the rears of the two opposite sides of the base plate. The pair of the bending arms have two bending portions, two extending arms and two hooking portions. The two extending arms include two first extending portions, two connecting portions and two second extending portions. The two hooking portions have two first bending feet, two second bending feet and two third bending feet. The two connecting portions and the two second extending portions are exposed out of the insulating housing. The two first bending feet are exposed out of the insulating housing.

Abstract: A ratchet wrench capable of rotating quickly and driving rotation includes a handle, a rotary head, a positioning mechanism, and a sleeve. The handle includes an arm and a bar body. The bar body includes an accommodating slot; the arm includes a through hole. The rotary head is connected to the arm and includes recess portions. The positioning mechanism includes a positioning element, a resilient body, and a block element. The resilient body receives the positioning element and is received in the through hole, the positioning element is correspondingly disposed in any of the recess portions, and the block element is connected to the positioning element. The sleeve receives the bar body and operably drives the block element to slide in the accommodating slot, so that the positioning element is positioned and selectively engaged with any recess portion.

Abstract: An electrical connector includes an insulating body, a conductive terminal assembly, a connection terminal assembly and an outer shell. A middle portion of a front surface of the insulating body is recessed rearward to form an insertion slot. A middle portion of a rear surface of the insulating body is recessed forward to form a receiving groove. The conductive terminal assembly is assembled to the insulating body. The conductive terminal assembly includes a plurality of conductive terminals, and a first base body fastened to the plurality of the conductive terminals. The connection terminal assembly is assembled to the insulating body. The connection terminal assembly includes a plurality of connection terminals, and a second base body fastened to the plurality of the connection terminals. The outer shell surrounds the insulating body.

Abstract: The invention provides a signal synchronization device, which obtains electrocardiographic, heart sound signal calibration factors by performing time domain and frequency domain transformations for an electrocardiographic signal and a heart sound signal, and thereby performs calibration for the electrocardiographic signal and the heart sound signal to synchronize the electrocardiographic signal and the heart sound signal in time domain, such that a diagnosis rate for cardiovascular disease is increased. Moreover, the invention further provides a stethoscope with signal synchronization processing, an auscultation information output system and a symptom diagnosis system capable of signal synchronization.

Abstract: The present invention provides a dual grating sensor having at least two double-sided grating structures for detecting the properties of an analyte. The dual grating sensor includes a substrate, a waveguide layer which is formed on the substrate and has at least two double-sided grating structures, and an upper cover configured on the waveguide layer, wherein a channel is formed between the upper cover and the waveguide layer for the analyte to flow therethrough. A light couples into the waveguide layer via the first double-sided grating structure, transmits in the waveguide layer, and couples out of the waveguide layer via the second double-sided grating structure, such that the properties of the analyte can be detected according to the change of the light intensities of the emergent light. The sensitivity of the dual grating sensor has an additive effect when the light passes through the first double-sided grating structure and the second double-sided grating structure.

Abstract: A method for detecting an analyte concentration of the present invention includes performing a competitive reaction between a first complex and an analyte standard or an analyte sample, so that the first complex may combine with a metal nanoparticle, and a second complex of a control group and a third complex of a sample group are respectively formed. Then, a difference of heat diffusivity of the second complex and the third complex may determine an analyte sample concentration of the sample group is higher or lower than a pre-determined analyte standard concentration of the control group.

Abstract: An energy acquisition and power supply system is provided. The power supply system includes a plurality of power elements, each of the power elements including a transistor capable of conduction path switching, a current regulator having a dynamic substrate selection circuit and a reverse leakage current suppression circuit as well as a voltage regulator, wherein the dynamic substrate selection circuit selects a substrate potential of the transistor capable of conduction path switching dynamically to reduce a substrate leakage current of the transistor capable of conduction path switching, and the reverse leakage current suppression circuit is utilized for switching the power element at a local end to reduce transient reverse leakage current and current consumption of the power element at the local end for an input voltage, such that an output current for the power element at the local end is maximized.

Abstract: The present invention discloses a method of using memory allocation to address hot and cold data, which comprises steps: using a hardware performance monitor (HPM) to detect at least one read/write event of a central processor; while a number of the read/write events reaches a threshold or a random value, a computer system recording an access type of the read/write event occurring latest and a memory address causing the read/write event; and the computer system assigning the memory object in the memory address to a volatile memory or a non-volatile memory according to the memory address and the access type. Thereby, data pages can be assigned automatically according to the access types categorized by the central processor, exempted from being assigned manually by engineers.