Abstract: A high voltage device is used as a lower switch in a power stage of a switching regulator. The high voltage device includes at least one lateral diffused metal oxide semiconductor (LDMOS) device, a first isolation region, a second isolation region, a third isolation region, and a current limiting device. The first isolation region is located in a semiconductor layer, and encloses the LDMOS device. The second isolation region has a first conductivity type, and encloses the first isolation region in the semiconductor layer. The third isolation region has a second conductivity type, and encloses the second isolation region in the semiconductor layer. The current limiting device is electrically connected to the second isolation region, and is configured to operably suppress a parasitic silicon controlled rectifier (SCR) from being turned on.

Abstract: A triadic recurve implosion flood navigation for in-situ tailoring yearn system—[TRINITY-D20] has a tailoring mechanism comprising a first unit having an arc-shaped first arcuate portion, and a second unit having an arc-shaped second arcuate portion, the first and second units stagger each other with concave arcuate surfaces facing opposite directions by center axes of curvature of the first and second arcuate portions parallelling each other to cause an arcuate end of the first arcuate portion locate between two arcuate ends of the second arcuate portion and separated from the concave arcuate surface of the second arcuate portion by a first distance, and to cause an arcuate end of the second arcuate portion locate between two arcuate ends of the first arcuate portion and separated from the first arcuate portion by a second distance, thereby the first and second arcuate portions jointly define a curved channel.

Abstract: A guidance unit comprises a first pipe part and a second pipe part, an inner space diameter of the second pipe part is smaller than an inner space diameter of the first pipe part, causing a cross-sectional area of a second flow space perpendicular to a pipe axis of the second pipe part smaller than that of a first flow space perpendicular to a pipe axis of the first pipe part; one end of the pipe axis of the second pipe part and one end of the pipe axis of the first pipe part are connected in series with each other and spaced apart from each other by a first angle, so that the second flow space communicates with the first flow space; thereby, a pressure of an external fluid in the second flow space is greater than a pressure of the external fluid in the first flow space.

Abstract: A triadic recurve implosion flood navigation for in-situ tailoring yearn system -[TRINITY - D20] has a tailoring mechanism comprising a first unit having an arc-shaped first arcuate portion, and a second unit having an arc-shaped second arcuate portion, the first and second units stagger each other with concave arcuate surfaces facing opposite directions by center axes of curvature of the first and second arcuate portions parallelling each other to cause an arcuate end of the first arcuate portion locate between two arcuate ends of the second arcuate portion and separated from the concave arcuate surface of the second arcuate portion by a first distance, and to cause an arcuate end of the second arcuate portion locate between two arcuate ends of the first arcuate portion and separated from the first arcuate portion by a second distance, thereby the first and second arcuate portions jointly define a curved channel.

Abstract: An air filtration system includes a main body having a flow path; a first filter portion provided on the flow path and having a first body portion; a plurality of protrusions distributed and disposed on the first body portion; and a plurality of first through holes passing through the first body portion and interposed between the adjacent protrusions; wherein when an external fluid flows in the flow path, the external fluid passes through the protrusions first and then passes through each of the first through holes, so that the flowing external fluid is hindered by the protrusions, and thus a flow velocity at a position adjacent to the protrusions is lower than a flow velocity flowing through the first through holes, thereby vortices are respectively generated between orifices of the first through holes and the adjacent protrusions.

Abstract: An air filtration system includes a main body having a flow path; a first filter portion provided on the flow path and having a first body portion; a plurality of protrusions distributed and disposed on the first body portion; and a plurality of first through holes passing through the first body portion and interposed between the adjacent protrusions; wherein when an external fluid flows in the flow path, the external fluid passes through the protrusions first and then passes through each of the first through holes, so that the flowing external fluid is hindered by the protrusions, and thus a flow velocity at a position adjacent to the protrusions is lower than a flow velocity flowing through the first through holes, thereby vortices are respectively generated between orifices of the first through holes and the adjacent protrusions.

Abstract: The present invention provides an interface apparatus for manipulating a wheelchair which is capable of controlling the translation/rotation of the wheelchair by means of a pair of sliding mechanisms. In addition, there is at least one physiological sensor being disposed on each sliding mechanism for detecting physiological status of a user sitting on the wheelchair so as to monitor the bio-status of the user via a closed bio-potential circuit. The pair of sliding mechanisms are disposed respectively on their corresponding arm rest of the wheelchair so that the user can manipulating the wheelchair by two hands grasping the corresponding sliding mechanism while the physiological sensor can detect the physiological status of the user. With the aforesaid apparatus and wheelchair, it not only can provide a directly operating way with human-factor concerns but can also monitor the physiological status of the user so as to improve the safety in manipulation.