Other

Agiga Tech Inc.

Shanghai Huahong Grace Semiconductor Manufacturing Corporation

Wenzhou University

Shanghai Hua Nec Electronics Co., Ltd.

Ying Lin Cai

Chao Fou Hsu

Yang Liu

Yingnan Liu

Ronald H Sartore

Feng Jin

Fan Chen

Tao Wang

Kai Xue

Jia Pan

Guohui Yuan

Zhengliang Zhou

Xiongbin Chen

Han Yu

Lin Zhou

Xiaobing Li

Rupeng Gao

Keran Xue

Guangya Ding

Wenfeng Zhang

The present disclosure discloses a monitoring device for internal deformation and fine particle loss of a railway subgrade, relating to the field of monitoring devices. The monitoring device includes an internal damage monitoring device arranged in a subgrade ballast layer. The internal damage monitoring device is connected to a resistance acquisition instrument through a wire. The resistance acquisition instrument is in wireless connection with a resistance signal receiver. The monitoring device for internal deformation and fine particle loss of a railway subgrade provided by the present disclosure can remotely realize real-time continuous monitoring of the deformation and fine particle loss inside the railway subgrade under a rail transit load, is economical and convenient, and has high practice value.

Monitoring device for internal deformation and fine particle loss of railway subgrade

According to some embodiments in this application, a method for making a JFET device is disclosed in the following steps: forming a substrate; performing ion implantation on the first region and the second region of the substrate to form a deep N-type well, wherein the deep N-type well is formed with at least two sub-wells region; forming a field oxide in the second region; forming a P-type well in one side of the sub-well in the deep N-type well; performing P-type ion implantation on the third region and the fourth region to respectively form a first P-type heavily doped region and a second P-type heavily doped region; and performing N-type ion implantation on the fifth region, the sixth region, and the seventh region to respectively form a first N-type heavily doped region, a second N-type heavily doped region, and a third N-type heavily doped region.

Method for making JFET device, JFET device and layout structure thereof

Disclosed herein are systems and techniques for adaptive capacitor charge voltage management, particularly for lithium-ion capacitors and hybrid capacitors. The techniques adapt the capacitor charge voltage and hence the capacitor stored energy based on capacitor operating temperature and one or more of the capacitance and the equivalent series resistance (ESR) of the capacitor.

Adaptive charge voltage management for lithium ion and hybrid capacitors

The present invention provides an eccentric roundel structure for three-compressing-chamber diaphragm pump. The eccentric roundel structure is a truncated-cylinder eccentric roundel in an eccentric roundel mount. The truncated-cylinder eccentric roundel characteristically comprises an annular positioning dent, a truncated cylinder peripheral and a sloped top ring created from the annular positioning dent to the truncated cylinder peripheral to replace a conventional rounded shoulder. By means of the sloped top ring, the oblique pull and squeezing phenomena of high frequency incurred by the rounded shoulder in a conventional tubular eccentric roundel are completely eliminated. Thus, not only the durability of the three-compressing-chamber diaphragm pump for sustaining the pumping action of high frequency from the truncated-cylinder eccentric roundels is mainly enhanced but also the service lifespan of the three-compressing-chamber diaphragm pump is exceedingly prolonged.

Eccentric roundel structure for three-compressing-chamber diaphragm pump

The present invention provides an eccentric roundel structure for four-booster-chamber diaphragm pump. The eccentric roundel structure is a truncated-cylinder eccentric roundel in an eccentric roundel mount. The truncated-cylinder eccentric roundel characteristically comprises an annular positioning dent, a truncated cylinder peripheral and a sloped top ring created from the annular positioning dent to the truncated cylinder peripheral to replace a conventional rounded shoulder. By means of the sloped top ring, the oblique pull and squeezing phenomena of high frequency incurred by the rounded shoulder in a conventional tubular eccentric roundel are completely eliminated. Thus, not only the durability of the four-booster-chamber diaphragm pump for sustaining the pumping action of high frequency from the truncated-cylinder eccentric roundels is mainly enhanced but also the service lifespan of the four-booster-chamber diaphragm pump is exceedingly prolonged.

Eccentric roundel structure for four-booster chamber diaphragm pump

A hand-held shower head capable of measuring and suggesting replacement of filtering core handle includes a lower shell, an upper shell, a battery mount, a signal circuit device and a water flow measuring unit containing an impeller shaft, a magnetic element and a supporter. The water flow measuring unit and impeller shaft are disposed in a lower handle filter cartridge mounting section of the lower shell while the battery mount and a battery contained therein are disposed in an upper handle filter cartridge mounting section of the upper shell, and both the lower and upper handle filter cartridge mounting sections abut the handle filter cartridge to provide an even overall weight distribution.

Hand-held shower head capable of measuring and suggesting replacement of filtering core handle

A four-compression-chamber diaphragm pump with multiple effects includes an eccentric roundel mount with four cylindrical eccentric roundels, a pump head body with four operating holes, and a diaphragm membrane with four annular positioning protrusions. A basic curved groove or other vibration-reducing first positioning structure is circumferentially disposed around each operating hole while a basic curved protrusion or other second vibration-reducing second positioning structure is provided in the diaphragm membrane for suitably coupling with the corresponding groove or other first positioning structure upon assembly, resulting in a shortened length of moment arm from the basic curved protrusions or other vibration-reducing positioning structures to respective downwardly-extending annular positioning protrusions in the diaphragm membrane, and consequently reduced vibration noise and resonant shaking in comparison with a conventional four-compressing-chamber diaphragm pump.

Four-compression-chamber diaphragm pump with diaphragm positioning structures to reduce vibration

A roundel structure for a five-compressing-chamber diaphragm pump includes a cylindrical or inverted frustoconical eccentric roundel in an eccentric roundel mount. The cylindrical or inverted frustoconical eccentric roundel includes an annular positioning groove or indentation, a vertical or inverted frustoconical flank and a sloped top ring extending from the annular positioning groove or indentation to the flank. The sloped top ring eliminates the oblique high frequency pull and squeezing phenomena that occurs in a conventional tubular eccentric roundel arrangement.

Roundel structure for five-compressing-chamber diaphragm pump

A non-volatile memory module includes a volatile memory circuit; an interface to a reference voltage source external to the module providing an external reference voltage to the volatile memory circuit by which the volatile memory circuit and external devices may communicate reliably at high speeds; an internal reference voltage generator; and a control circuit adapted to cause the volatile memory circuit to be decoupled from using the external reference voltage and coupled to using a reference voltage from the internal reference voltage generator upon the non-volatile memory module ceasing to draw power from an external power source.

DIMM memory module reference voltage switching circuit

A compressing diaphragm pump with multiple effects includes an eccentric roundel mount with three cylindrical eccentric roundels, a pump head body with three operating holes, and a diaphragm membrane with three annular positioning protrusions. A basic curved groove or other positioning structure is circumferentially disposed around each operating hole while a basic curved protrusion or other mating positioning structure is provided in the diaphragm membrane for suitably coupling with the corresponding groove or positioning structure in the pump head body upon assembly, resulting in a shortened length of moment arm from the basic curved protrusions or other positioning structures and an annular positioning protrusion, and a reduction in vibration-caused noise and resonant shaking in comparison with a conventional compressing diaphragm pump. The cylindrical eccentric roundels each includes a sloped top ring extending between an annular positioning groove and a vertical or inverted frustoconical flank of the eccentric roundel mount resulting in an extended service lifespan of the compressing diaphragm pump.

Compressing diaphragm pump with multiple effects

The present invention provides a thermal energy exchanger for bathing shower water comprising an upper deck, a lower chassis and two hatches. The upper deck features creased top surface, multiple parallel septa and plural heat conducting ribs being created between each pair of adjacent septa. After having assembled, the circulation of internal water tunnel is configured into a continual zigzag duct to increase energy saving effect in consequence of improvement in heat exchanging efficiency of the water heater. With simple structure, it is easily fabricated by traditional extruding method without welding process and related welding technician. Thereby, selling price is reduced with marketing competitiveness because overall manufacturing cost is decreased so that the purchasing intention of the consumers is spurred. Thus, it is not only favorable to promote and penetrate marketing range and depth but also valuable to achieve energy saving and carbon reducing effect.

Thermal energy exchanger for bathing shower water

The present invention provides a 'warning device dedicated for replacing aged-filter in a handheld showerhead', which comprises a showerhead stem, an impeller mount, an impeller, a signal circuit device and a transparent lid. The showerhead stem includes an upper adapting section, a lower adapting section, and a mounting cavity for containing parts of impeller and signal circuit device. With upper adapting section and lower adapting section, the warning device can be easily sandwiched between showerhead and filter cylinder of conventional 'handheld showerhead with built-in filter'. Other than inherent measuring display for quantity of shower water and alerting function for timely replacing filter cartridge, the warning device also solves all issues of &#x201c;top-heavy awkwardness&#x201d;, &#x201c;quickened aging fatigue&#x201d; and &#x201c;redundant purchase waste&#x201d;, which happened in the prior arts of &#x201c;handheld showerhead with filter replacing pre-alarm device&#x201d; or &#x201c;handheld showerhead with filter replacing pre-display device&#x201d; and conventional &#x201c;handheld showerhead with built-in filter&#x201d;.

Warning device dedicated for replacing aged-filter in a handheld showerhead

A leakage-proof pipe fitting of quick connection for a Reverse Osmosis Membrane (RO) household water treatment unit comprises a pipe fitting, a sealing O-ring, an annular cooperative bushing collar, an accessory latching clip and an adapted cylindrical elastic sleeving collet with an elongated annular delimiting flange, whose longitudinal thickness is lengthened into at least a double length for the original longitudinal thickness of the conventional annular delimiting flange to extend the embracing distance from the top surface of the adapted cylindrical elastic sleeving collet to the bottom surface of a cylindrical retainer in the pipe fitting so that the curvature for the bent water pipe/tube covered by the embracing distance is reduced.

Leakage-proof pipe fitting of quick connection for reverse osmosis membrane (RO) water treatment unit of household

A circuit includes a series arrangement of capacitors and a balancing circuit coupled to the series arrangement of capacitors, the balancing circuit having drive circuits each coupled at a node in the series arrangement at which two of the capacitors are coupled in series. The drive circuit includes an output stage having switches arranged to either push or pull current from a drive circuit output depending on the state of the switches.

Active voltage balancing of series capacitor arrangement

A leakage-free pipe fitting of quick connection for Reverse Osmosis Membrane (RO) water treatment unit of household has a pipe fitting, a sealing O-ring, an annular cooperative bushing collar, a cylindrical elastic sleeving collet, an accessory latching clip with a cantilevered lug, and an annular reinforcing bolster with an inner bore. The annular reinforcing bolster is inserted into the cylindrical retainer of the pipe fitting sandwiched between the sealing O-ring and the bottom surface of the cylindrical elastic sleeving collet.

Growing community of inventors

Guangdong, China

Ying Lin Cai