321results about How to "Quick pull" patented technology

A detection system for detecting a dangerous condition for an operator using a power tool of the type which has an exposed blade relative to a work surface and a protection system for minimizing, if not eliminating the possibility of a user being injured by contacting the blade. In one preferred embodiment of the present invention, a proximity detection system is capable of detecting the presence of a user near the blade of a table saw and a protection system that can either retract the blade below the work surface of the table saw or terminate the drive torque to the blade which can result in rapid stopping of the saw blade by a work piece that is being cut.

A detection system for detecting a dangerous condition for an operator using a power tool of the type which has an exposed blade relative to a work surface and a protection system for minimizing, if not eliminating the possibility of a user being injured by contacting the blade. In one preferred embodiment of the present invention, a proximity detection system is capable of detecting the presence of a user near the blade of a table saw and a protection system that can either retract the blade below the work surface of the table saw or terminate the drive torque to the blade which can result in rapid stopping of the saw blade by a work piece that is being cut.

A power surfboard is disclosed to include a surfboard equipped with an engine and a propeller for propelling on the sea against sea waves, a rudder pivotally provided at the bottom side of the surfboard, and a collapsible control handle coupled to the surfboard for turning by the user to bias the rudder during wave riding.

An operating device having an operating element with haptic feedback. The operating element can be actuated by an operator by means of an input member, the operating device includes two ferromagnetic planar components and a flat coil. The largest surfaces of the ferromagnetic planar components are oriented toward each other and the components can be moved relative to each other. The flat coil is disposed between the ferromagnetic components and the ferromagnetic planar components can be moved toward each other by energizing the flat coil. The movement of one of the ferromagnetic planar components can be perceptible to the tactile sense of the operator on the operating element either directly or by a coupling device.

The invention discloses a negative pressure adsorption type hypodermic injection unit, which relates to a unit for carrying out hypodermic injection of insulin and other drugs, and consists of an adsorption device, an air compression device, a quick air releasing device and an injection syringe, wherein an absorber 1 is connected with an air compressor 3 through an air tube 2 so that the air in the absorber 1 can be quickly pumped out through the air compressor 3, negative pressure is formed in the absorber 1 so that the skin shrinks and has a bulge, and the bulge height of the skin can be adjusted through the air compressor 3. The injection syringe 4 is connected with the absorber 1 through syringe steps in a sealing way, when the skin shrinks and has the bulge, a syringe needle is automatically inserted into the skin, and then drug injection can be carried out. The quick air releasing device is formed by a rubber plug 5, when the rubber plug 5 is pulled out, the internal air pressure of the absorber 1 returns to the atmospheric pressure, the skin diastoles and returns to be smooth, and the syringe needle is automatically pulled out from the skin. The invention has the hypodermic injection characteristics of easy skin contraction, quick needle insertion, convenient injection and use, wide application scope and the like, and solves the problem that the old and the slimmer people are difficult to be injected with insulin and other subcutaneous injection drugs.

The invention discloses a method and system for switching definitions and loading video streams by users, relating to the field of application and development of internet mobile terminals. The method comprises the following steps: constructing a line switching interface, and if the definition carried by a button is consistent with the definition of the current play and a line to which the button belongs is consistent with a current line, stopping loading the video stream; storing the line and the definition selected by the current user, when the user comes to a live broadcast room next time, preferentially pulling the stored line and a video stream corresponding to the definition for the user with the stored line and definition, and storing the line and definition currently selected by the button; setting animations to eliminate the line switching interface, and reloading the information of the live broadcast room or the video; and periodically checking whether the video stream is correct and valid, and pulling the video stream to play according to the definition selected by the user. According to the method and system disclosed by the invention, the video stream can be loaded by flexibly switching the line according to the definition of the video stream, and the viewing experience of the user can be improved.

Phase slope is controlled in a phase locked loop wherein a phase error signal controlling a controlled oscillator has a proportional component and an integral component, by determining whether the proportional component falls within a range bounded by upper and lower limit values. The proportional component is combined with the integral component if the proportional component falls within the range to provide the phase error signal. Otherwise, the proportional component is modified to meet a phase slope requirement while leaving the integral component unmodified. The modified proportional component is combined with the unmodified integral component to provide the phase error signal.

An operating device having an operating element with haptic feedback. The operating element can be actuated by an operator by means of an input member, the operating device includes two ferromagnetic planar components and a flat coil. The largest surfaces of the ferromagnetic planar components are oriented toward each other and the components can be moved relative to each other. The flat coil is disposed between the ferromagnetic components and the ferromagnetic planar components can be moved toward each other by energizing the flat coil. The movement of one of the ferromagnetic planar components can be perceptible to the tactile sense of the operator on the operating element either directly or by a coupling device.

A telescopic mast system includes a telescopic mast comprising a plurality of telescopic mast sections and a drive mechanism for extending and retracting the telescopic mast sections. The drive mechanism includes a rigid chain having one end connected to a last one of the telescopic mast sections to move the telescopic mast sections and a plurality of guide plates cooperating with the telescopic mast sections to prevent buckling of the rigid chain.

The invention discloses a quick implant used for implantable biosensors. The quick implant comprises an implant shell, a sliding seat installed in the implant shell, and a mounting mechanism; an elastic force part which enables the sliding seat to slide in the implant shell, and a control part used for controlling the sliding seat to leave from the original position and slides under the action of the elastic force part; a separation mechanism; an elastic reset device, wherein when a sensor mounting assembly is separated from the sliding seat in the preset position, the elastic reset device applies acting force back to an implantation opening onto the sensor mounting assembly. The quick implant can conveniently, quickly and accurately complete the implantation and the exit of the implantable biosensor. Short time is spent in the whole process, and the pain feeling of a patient in the process of implanting the sensor is greatly reduced, thereby improving the working efficiency.

A telescopic mast system includes a telescopic mast comprising a plurality of telescopic mast sections and a drive mechanism for extending and retracting the telescopic mast sections. The drive mechanism includes a rigid chain having one end connected to a last one of the telescopic mast sections to move the telescopic mast sections and a plurality of guide plates cooperating with the telescopic mast sections to prevent buckling of the rigid chain.

The present invention provides a respirator hood assembly that has a bag, half mask and a respirator assembly. The assembly includes a filtration unit and at least one inlet pipe containing a filter. The assembly of the invention allows for flexible filter design and also defines a rigid external structure that supports the hood and allows the user to quickly don the hood.

A low-noise voltage regulator circuit with quick disablement includes an amplifier for outputting a driving voltage according to a reference voltage, a feedback voltage on a feedback node, and an enable signal; an output transistor coupled among the amplifier, an output node, and a first voltage source for outputting an output voltage at the output node; a first discharge transistor having a first size and coupled among the enable signal, the output node, and the feedback node; and a second discharge transistor having a second size being different than the first size and coupled among the enable signal, the feedback node, and a second voltage source; wherein when the enable signal disables the amplifier, the enable signal turns on the first discharge transistor and the second discharge transistor such that the output voltage is quickly pulled down to close a level provided by the second voltage source.

A Pivoting Rod Holder for securing fishing rods in a variety of positions while they are in use is described. A rod holder tube is a component of a pivoting rod holding system, which has as its additional components a base with a plurality of catch indentations, a collar, a retaining plate, and a plunger-operated locking mechanism at the base of the rod holder tube. A rod placed in the rod holder tube can be locked into any position along a 360 degree axis by simply pulling the rod holder tube up till it is parallel with the catch indentations in the base, spinning it into the desired position, and pulling back firmly on it. This pushes the plunger-operated locking mechanism at the base of the rod holder tube into one of the catch indentations in the base, where it is secured. To release, the rod holder tube is pushed on until the plunger-operated locking mechanism is popped out of the catch indentation in the base. It can then be reset using the same process as above or can be re-stowed by returning it to the vertical position and pushing down.

The invention discloses a bundle-type multi-cable holding fixer, which, in the structure, comprises a holding disc, cables and a handwheel, wherein the holding disc is provided with the handwheel witha concentric circular structure; and the six equally-divided positions on the holding disc are clamped with the cables. Compared with the prior art, the bundle-type multi-cable holding fixer has thebeneficial effects that through combination of the disc, a cable fixing group, an inhalation and exhalation group, and a windmill-type rotating group, the cables of an assembled computer can be fixed,which cables are from which computer can be clearly known, the cable layout is clear, each cable is independently clamped and fixed, the cable can be effectively prevented from getting loose, a certain distance exists between the cables, the cables can be prevented from being interlocked, the line is more clean and concise, the cables can be distinguished quickly, wrong plugging of cables can beavoided, and the cable can be quickly pulled.

A low-noise voltage regulator circuit with quick disablement includes an amplifier for outputting a driving voltage according to a reference voltage, a feedback voltage on a feedback node, and an enable signal; an output transistor coupled among the amplifier, an output node, and a first voltage source for outputting an output voltage at the output node; a first discharge transistor having a first size and coupled among the enable signal, the output node, and the feedback node; and a second discharge transistor having a second size being different than the first size and coupled among the enable signal, the feedback node, and a second voltage source; wherein when the enable signal disables the amplifier, the enable signal turns on the first discharge transistor and the second discharge transistor such that the output voltage is quickly pulled down to close a level provided by the second voltage source.

The invention relates to a multifunctional umbrella structure with holes. The multifunctional umbrella structure comprises ribs, an umbrella rod and an umbrella cover. The ribs are connected to the umbrella rod. The umbrella cover is connected to the ribs and provided with the through holes. The through holes are formed in the umbrella cover; when the wind is strong, the umbrella cover is not prone to being lifted up; when the multifunctional umbrella structure is used in the sun, part of sunshine can enter the multifunctional umbrella structure, a small amount of sunshine can be received while the sun-resistant effect is achieved, and the body immunity can be improved.

The invention discloses a rapid mounting and dismounting structure as well as an expansion tube and expansion head assembly comprising the same. According to the technical scheme, the rapid mounting and dismounting structure is characterized by comprising a first connection assembly connected with a first component and a second connection assembly connected with a second component, wherein a clamping table capable of clamping the second connection assembly is arranged on the first connection assembly and formed in the position where two different holes are connected. The first component is an expansion tube while the second component is an expansion head assembly. During mounting, all that is required is to insert an inserting shaft part of the second connection assembly into outer and inner holes of the first connection assembly and rotate for a certain angle, then the second connection assembly can be clamped on the clamping table, meanwhile, under the press of a spring and the action of a positioning table, the second connection assembly cannot loose, during dismounting, all that is required for pulling the inserting shaft part out of the inner and outer holes quickly is to rotate the second connection assembly, rapid mounting and dismounting are realized, and the production efficiency is improved.

The invention discloses a method and device for managing point clouds on basis of tracks and navigation equipment. The method comprises the following steps of: obtaining a track file and point cloud file, wherein the track file comprises time stamp information of track points, and the point cloud file comprises time stamp information of point clouds; establishing a corresponding relationship between the cloud points and the track points according to the time stamp information of the track points and the time stamp information of the point clouds; carrying out reduplication removal and segmentation on point clouds corresponding to every two adjacent track points, and carrying out associated storage and management on the point cloud file according to the track points. According to the methodand device, the relationship between the point clouds and the tracks can be calculated, point cloud positions can be rapidly positioned according to the tracks, coordinate positions can be seen in real time through the point clouds, and rapid positioning and real-time pulling of the point clouds can be realized through carrying out framing management on the point clouds according to GPS tracks, so that the information integrity of point clouds and tracks in a same tile can be ensured at the same time, the management cost is decreased and the production efficiency is improved.

A buffer / driver having large output devices for driving multiple loads is configured with three parallel paths. The first logic path is made of small devices and is configured to provide the logic function of the buffer / driver without the ability to drive large loads. Second and third logic paths have the logic function of the first logic path up to the last inverting stage. The last inverting stage in each path is a single device for driving the logic states of the buffer output. The second and third logic paths have power-gating that allows the input to the pull-up and pull-down devices to float removing gate-leakage voltage stress. When the second and third logic paths are power-gated, the first logic path provides a keeper function to hold the logic state of the buffer output. The buffer / driver may be an inverter, non-inverter, or provide a multiple input logic function.

The invention discloses a novel medical acne removing device which comprises a roller, an annular sliding groove, a suction nozzle, a filtering screen, an exhaust tube, a cotton block, a through hole,an ethyl alcohol box, a connecting rod, a piston, a shell, an exhaust cylinder, a rack, a gear, a first bevel gear, a second bevel gear, a disk, a sleeve, a first shaft rod, a second shaft rod, a handle, a motor switch, a micro motor, a storage battery, a third bevel gear, an air discharging pipe and an air discharging valve. The device is simple in structure, convenient to operate, high in functionality and novel in design, the device is provided with the exhaust cylinder and the suction nozzle, an acne extractor is more rapidly drawn out after acne dirt is absorbed, time and labor are saved, pain of a user is relieved, the device is provided with the ethyl alcohol box and the cotton block, so that pores can be effectively disinfected, dirt cohered on skins can be effectively removed after the acne is absorbed, the infection of the pores caused by bacteria is avoided, and safety is improved.

A circuit usable as a word line driver includes a driver that switches in response to a voltage on a control node, and a circuit supplying a voltage to the control node. The circuit that applies a voltage to control node provides a first static current tending to pull the control node up to a first source voltage, and provides a fighting current pulse in response to a signal selecting the driver to pull the control node down to a second source voltage, overcoming the first static current. In addition, a circuit provides a pull-up boost current on a transition of the signal selecting the driver that turns off the fighting current, and applies a boosting current pulse to the control node to assist pulling the control node quickly to the first source voltage.

The invention discloses an electric connector for achieving locking and unlocking functions through a push rod. The electric connector comprises an insulating shell, a plurality of conducting terminals arranged in the insulating shell, a locking device arranged on the top face of the insulating shell, and the push rod movably installed on the top face of the insulating shell. According to the electric connector, the locking device is started by pushing the push rod forwards, a cantilever of the locking device is forced to drive a convex buckle to ascend, and therefore the electric connector issafely locked to a butt joint connector. When disconnection is needed, the push rod can be pulled backwards, the cantilever is forced to drive the convex buckle to descend, then the locking device isrestored to the original position, and therefore the electric connector can be pulled out quickly. The electric connector is safe and effective in the mode that the push rod is used for locking and unlocking.

Level shifting circuitry comprises a first level shifter and a second level shifter. In response to a falling edge transition of an input signal, the first level shifter generates a primary transition of a first intermediate signal faster than the second level shifter generates a secondary transition of a second intermediate signal. In response to a rising edge of the input signal, the second level shifter generates a primary transition of the second intermediate signal faster than the first level shifter generates a secondary transition of the first intermediate signal. Output switching circuitry is provided to switch an output signal between an output high voltage level and an output low voltage level in response to the primary transition of the first intermediate signal and the primary transition of the second intermediate signal.

A guide pipe frame-cylindrical structure combined offshore wind turbine foundation is composed of a cylindrical foundation part and a guide pipe frame part. The cylindrical foundation part comprises a cylindrical steel wall, a concrete cover plate, a prestressed beam and a connecting beam, wherein the concrete cover plate, the prestressed beam and the connecting beam are connected into a whole in a poured mode. The guide pipe frame part comprises four steel leg columns, steel supporting pipes, connecting cylinders and flanges, wherein the steel leg columns and the connecting cylinders are welded and fixed through the steel supporting pipes respectively, the four steel leg columns are fixed to the middle of the connecting beam 4 of the concrete cover plate, and the connecting cylinders are connected with a wind turbine tower through the flanges. The guide pipe frame-cylindrical structure combined offshore wind turbine foundation has the advantages that a top plate bearing mode is adopted by the guide pipe frame-cylindrical structure of the offshore wind turbine foundation so that the resistance to the bending moment of the whole foundation can be improved remarkably, and the requirement for the bearing capacity of the foundation is lowered; the negative pressure sinking installation mode is adopted, so that the construction speed is high; the whole structure is overall prefabricated and assembled on a shore, floatingly-transported on the sea and installed in a negative pressure sinking mode on the sea, as a result, construction is convenient, efficiency is high, and cost is low.

The present invention relates to a gate driving circuit, comprising a driver control circuit, a voltage following bias circuit, a pull up circuit and a MOS transistor. The driver control circuit receives an active signal and generates a pull up signal or a pull down signal. In case of the pull up signal, the MOS transistor is turned to the OFF state by the pull up circuit, and there is no current for the output load device. In case of the pull down signal, the MOS transistor is turned to the ON state by the voltage following bias circuit. The driving voltage for the gate of the MOS transistor has a constant voltage drop according to the external supply voltage. Therefore, the gate driving circuit of the present invention provides a constant current for the output load device.

The invention relates to a rapid wiring terminating mechanism. The rapid wiring terminating mechanism comprises an electrical connector and a locking sleeve body, wherein the electrical connector is provided with a terminal end; the locking sleeve body is provided with an electrical conductor; and the locking sleeve body is detachably terminated with the wiring end of the electrical connector through a locking mechanism. According to the rapid wiring terminating mechanism in the invention, through the arrangement of the locking sleeve body and the arrangement of the locking mechanism on the locking sleeve body, after a cable is terminated, the locking sleeve is rapidly connected with the tail of a socket for locking, the installation of the connector and the wiring of a cable can be carried out simultaneously, the installation time is shortened, the installation efficiency is improved, the assembling of the cable can be realized by rapidly pulling a plug or the locking sleeve if the cable needs to be disassembled, the mechanism is simple in structure and convenient and rapid to use, the terminal of the cable is rapidly separated from the socket of the connector when maintenance isneeded, and the disassembling time is shortened, so that the loss is minimized.