196results about How to "Simple line" patented technology

The invention provides a completely new process route for synthesizing betamethasone and series products thereof. The invention adopts 1, 4, 9, 16-tetraene-pregna-3, 20-diketone as the original material which is modified by 9, 11 bits, 16, 17 bits and 21 bits so as to obtain the betamethasone and the series products thereof such as betamethasone acetate and betamethasone sodium phosphate and the like. The process has the advantage that the invention adopts the existing intermediates of manufacturers as the original material; the route is simple; the materials are available; the use of expensive accessories is avoided; the yield and the cost are dramatically better than that of the prior methods used for synthesizing the betamethasone and derivatives thereof; moreover, the adoption of the existing intermediates realizes the combined-line production of the betamethasone series products and dexamethasone series products, thus greatly reducing the manufacturing cost and the industrial manufacturing condition.

Embodiments of a dermatological cosmetic treatment and/or imaging system and method adapted for dithering ultrasound beams from a transducer to alter placement and position of one or multiple cosmetic treatment zones in tissue, simultaneous multi-focus therapy using multi-channel signal mixing, and/or dithering ultrasound beams from a transducer to alter placement and position of one or multiple cosmetic treatment zones in tissue, configured for using imaging for improved ultrasound therapy efficacy, and/or adapted for imaging with multiple focal zone sequencing and triggering for mechanically translated and/or steered ultrasound transducers are provided herein. The system can include a hand wand, a removable transducer module, and a control module. In some embodiments, the cosmetic treatment system may be used in various cosmetic procedures.

The invention relates to a wireless independent fire alarming device, which comprises a plurality of wireless inductive probes and monitors. The wireless independent fire alarming device is characterized in that: the wireless inductive probes can communicate with each other and can wirelessly send collected alarm signals to the monitors; the wireless inductive probes respectively comprise a fire detecting module, a signal conversion module, a wireless transceiver module (a), an amplifier module and a transceiver antenna; the fire detecting module has such functions as transmitting, receiving, and processing of fire alarm signals and realizing acousto-optic alarming; the monitors comprise a central controller; the central controller is connected with a clock module, a memory, a wireless transceiver module (b) and a display or keystroke module for human-computer interaction; and the wireless transceiver module (b) is connected with the amplifier module and the transceiver antenna in sequence. Through the wireless transmission function, the device not only simplifies a system circuit but also realizes the remote monitoring and the humanizing fire alarm.

The invention relates to a scroll wrap profile of a liquid-injected scroll compressor. Outer profiles of a static scroll wrap and a dynamic scroll wrap are composed of a section of a variable diameter base circle involute, and the inner profiles of the static scroll wrap and the dynamic scroll wrap are composed by smoothly connecting a variable diameter base circle involute at a center part and normal equidistant curves of the variable diameter base circle involute of the outer ring. The scroll wrap refers to a scroll wrap with compression chamber variational meshing clearance and the wall thickness of the scroll wrap changing gradually. The meshing part close to a central air outlet of the compression chamber is provided with the meshing clearance which forms a pressure unloading channel to the air outlet with small clearance internal leakage, so that the problems of surge pressure in the compression chamber or liquid impacting which are produced by incompressible liquid with relatively large spraying volume. The meshing point of a suction cavity formed by the scroll wrap has no meshing clearance, so that the suction cavity is completely isolated from the compression chamber; at the same time, the wall thickness of the scroll wrap changes thinner gradually from the center to the outer ring, so that the central part of the scroll wrap has enough strength; and the wall thickness at the outer ring of the scroll wrap is relatively thin, so that area utilization rate of a scroll plate is effectively increased.

The invention provides a preparation method for (R)-4-hydroxy-2-oxo-1-pyrrolidine acetamide. The preparation method comprises the following steps: (1) with R-4-chloro-3-hydroxy butyrate as an initial raw material, subjecting the initial raw material and an azido reaction agent to an azido reaction so as to obtain an intermediate I; (2) subjecting the intermediate I to a reduction reaction so as to obtain an intermediate II; (3) subjecting the intermediate II and halogenated acetate to a condensation reaction so as to obtain an intermediate III; (4) subjecting the intermediate III to a ring closure reaction so as to obtain an intermediate IV; and (5) subjecting the intermediate IV to an aminolysis reaction so as to obtain (R)-4-hydroxy-2-oxo-1-pyrrolidine acetamide. The preparation method can prepare a (R)-4-hydroxy-2-oxo-1-pyrrolidine acetamide product with ideal yield of at least more than 38%, and a novel synthetic route is opened up for (R)-4-hydroxy-2-oxo-1-pyrrolidine acetamide.

The present invention provides a metal ink composition, which includes 20 to 80 parts by weight of cupper nano-particle; 10 to 70 parts by weight of non-aqueous organic solvent; and 2 to 20 parts by weight of additive used for adjustment of the dry speed of coated metal ink when metal lines are formed.

The invention discloses a vehicle antitheft warning system, which comprises a mobile terminal, an intelligent vehicle-mounted unit, a distance test unit, a vehicle monitoring unit and a wireless communication module, wherein the intelligent vehicle-mounted unit, the distance test unit and the vehicle monitoring unit are communicated through a CAN (controller area network) bus; the distance test unit is used for detecting whether the distance between the mobile terminal and the vehicle is greater than a preset value or not when the vehicle is in a flameout and power-down state; if so, the intelligent vehicle-mounted unit is controlled to wake up the CAN bus, and an inquiry command is sent to the vehicle monitoring unit through the CAN bus; the vehicle monitoring unit receives the inquiry command and then sends vehicle state information to the intelligent vehicle-mounted unit. The vehicle antitheft warning system provided by the invention has the advantages that the intelligent vehicle-mounted unit is connected with the CAN bus; when an automobile detects that a user is not in a preset range, the intelligent vehicle-mounted unit sends the vehicle state information to the mobile terminal so as to perform warning reminding.

The invention provides an information processing method. The method is applied to electronic equipment which is provided with a fingerprint identification module. The method comprises the steps that first operating information is obtained, and the first operating information represents the situation that an operation body conducts first operation in a preset input area of the fingerprint identification module; based on the first operating information, a command matched with the first operating information is generated, response to the command is achieved, and certain functions in the electronic equipment are achieved. By adopting the method, based on the fingerprint identification module which is already arranged in the electronic equipment, on the premise of the function that the fingerprint identification module identifies fingerprints of users, the situation that collection of the corresponding commands generated by conducting the operation by user operation bodies in the preset input area of the fingerprint identification module is added, and various functions such as a button function can be achieved. Due to the fact that the fingerprint identification module is a structure already existing in the electronic equipment, on the premise of achieving the button function, independent button structure does not need to be arranged for the various functions such as the button function, and the circuit of the electronic equipment is simplified.

Embodiments of a dermatological cosmetic treatment and/or imaging system and method adapted to alter placement and position of multiple cosmetic treatment zones in tissue from ultrasound beams from a transducer, simultaneous multi-focus therapy at multiple depths, and/or dithering ultrasound beams from a transducer to alter placement and position of multiple cosmetic treatment zones in tissue. The system can include a hand wand, a removable transducer module, and a control module. In some embodiments, the cosmetic treatment system may be used in various cosmetic procedures.

A liner to protect a hat of a user includes a dome body to protect the hat and an adhesive device attached to a periphery of the dome body to releasably attach to the hat.

The invention discloses an LED light-emitting device achieving color and light adjustment through a light regulator and a method and relates to the field of LED illumination. The LED light-emitting device comprises an alternating-current input end, the light regulator, a drive circuit, an optical coupling circuit and an MCU, wherein the alternating-current input end is connected with the light regulator, the light regulator is connected with the optical coupling circuit and the drive circuit, and both the optical coupling circuit and the drive circuit are connected with the MCU. The LED light-emitting device further comprises a first LED lamp set and a second LED lamp set, wherein the MCU is connected with the first LED lamp set through a first switching circuit and is connected with the second LED lamp set through a second switching circuit, and the drive circuit provides drive power supplies for the MCU, the first LED lamp set and the second LED lamp set respectively. The LED light-emitting deice achieving color and light adjustment through the light regulator saves cost and is easy to install, color and light adjustment can be achieved without external circuits, and circuits are simple.

The invention relates to new steroid compounds and the application, in particular to [17 Alpha, 16 Alpha -d] oxazoline steroid compounds and the preparation method. The new compound (II) and compound (III) from the invention protected by ketol 20, are the important intermediates in synthesizing [17 Alpha, 16 Alpha -d] oxazoline steroid compounds. The invention also provides the application of compound (I), compound (II) and compound (III) in preparing compound (V). The invention has the advantages of high feasibility and strong operability of the process, ability to obtain intermediates through general chemical purification without high risk operation and expensive reagents, and high industrialization factor.

The invention provides a preparation method for (S)-oxiracetam. The preparation method comprises the following steps: (1) with S-4-chloro-3-hydroxy butyrate as an initial raw material, subjecting the initial raw material and an azido reaction agent to an azido reaction so as to obtain an intermediate I; (2) subjecting the intermediate I to a reduction reaction so as to obtain an intermediate II; (3) subjecting the intermediate II and halogenated acetate to a condensation reaction so as to obtain an intermediate III; (4) subjecting the intermediate III to a ring closure reaction so as to obtain an intermediate IV; and (4) carrying out an aminolysis reaction on the intermediate IV so as to obtain the target product (S)-oxiracetam. The preparation method can prepare the (S)-oxiracetam product with ideal yield of at least more than 38%, and a novel synthetic route is opened up for (S)-oxiracetam.

A control circuit of double power supply automatic converting switch is prepared as forming control circuit mainly by two double master-slave diode D triggers and four two-input Nor gates; using input end of control circuit to receive fire fighting signal and spacing switch signal; connecting control circuit separately to detection circuit of normally used power supply, detection circuit of spare power supply and control circuit power supply; connecting output end of control circuit to double power supply automatic converting switch.

A fly mask for horses has a cage structure supporting a mesh, the structure being formed of semi-rigid plastic splines which hold the mesh away from the eyes and most of the surfaces of the horse's head. In a preferred form the fly mask has protruding lines at the location of the splines, protecting the mask against excessive wear due to rubbing of the mask against posts or other building structure when worn. A detachable protective nose guard can be included.

The invention discloses a novel multifunctional intelligent waste bin. The novel multifunctional intelligent waste bin is provided with a waste classification system, a multi-scale interconnection system and an anti-hand-clamping system. The waste classification system comprises an account number identifying device, a host, a touch screen and an electronic driving device. The account number identifying device at least comprises a code scanning area, a card reading area and a human face identifying camera. The code scanning area, the card reading area and the human face identifying camera are respectively connected with the host. The electronic driving device is connected with the touch screen. The multi-scale interconnection system comprises stress sensors arranged at the bottoms of all classification waste bin bodies correspondingly. Each stress sensor is connected with the host through a data processor. The anti-hand-clamping system comprises inductors, wherein the inductors are arranged above corresponding classification feeding openings and are in signal connection with the host. The host is connected with electric door electronic driving devices. The novel multifunctional intelligent waste bin integrates a plurality of functions like account number identifying and waste automatic classification, box body independent weighing, point processing and hand clamping preventing,thereby being multi-functional, effectively simplifying a circuit and saving the cost.

The invention relates to a lead-acid battery restoring and fast charging device which comprises a filter, a wave filtering rectifier circuit, a voltage change feedback control circuit, a negative pulse generation circuit and a CPU central processing unit. The filter transmits filtering signals to the wave filtering rectifier circuit; the wave filtering rectifier circuit changes 220V AC power into 308V DC power which is output to the voltage change feedback control circuit; the voltage change feedback controlling circuit changes the 308V DC power into 20kHz pulse power which is output to the negative pulse generation circuit; the negative pulse generation circuit and a half bridge circuit are used for detecting the magnitude of positive current and negative current and the potential charged into the battery; the CPU central processing unit processes whether the charging of the battery is finished and controls charging state and processes whether the charging current and voltage meet the receptance curve (Malus law) of the lead-acid battery. Compared with a plurality of imported intelligent restoring equipment and fast charging equipment, the device realizes equivalent effect, greatly simplifies the circuits and also greatly lowers cost.

A switched-capacitor regulator is provided for regulating the output voltage of a voltage supply. The switched-capacitor regulator includes a supply input terminal capable of receiving a supply voltage, two or more flying capacitors, a regulation switch located between each flying capacitor and the supply input terminal, and a voltage control circuit. The activity of the regulation switches is controlled by the voltage control circuit. In one embodiment of the invention, the voltage control circuit includes a feedback resistance area having one or more feedback resistors located between the output of the flying capacitors and a ground terminal, a first gain stage connected to the feedback resistance area, and two or more second switchable gain stages, which are each connected to a regulation switch and the first gain stage. The switched-capacitor regulator operates in pseudo-continuous regulator mode using three-stage switchable operational amplifiers with time-multiplexed pole-splitting compensation.

The invention discloses a symmetrical semi-shading type tidal current energy generation device. The generation device is composed of a semi-shading device, a generation device body and telescopic pile legs. A current guide part of the semi-shading device is provided with a special shaped line design. The whole device is fixed to the seabed through the telescopic pile legs after sinking to the appropriate depth. The upper portion of the semi-shading device is provided with a cuboid-shaped motor protective cover. A change speed gear box and a generator are arranged inside the protective cover. The generation device body comprises vertical axis water turbines comprising flap type composite blades, the change speed gear box and a generator set, wherein the axis centers of the flap type vertical axis water turbines are arranged into a line on a straight line, and one bilateral type semi-shading device is installed between every two flap type vertical axis water turbines. Through two vertical impellers and the symmetrical distribution of shading current guide shells of the two vertical impellers, the conflux effect is strengthened, and the utilization ratio of tidal current energy is improved. Modularized manufacturing and lateral spreading are facilitated through the symmetrical semi-shading type tidal current energy generation device, therefore, the generation device can be installed and applied in a wide water area in an array mode, and accordingly large-scale power generating through the tidal current energy is achieved.

This invention discloses a method for compensating crystal frequency temperature property based on temperature sensing material stress, which contains using vacuum plating method to plate temperature sensing double-metal material on the crystal chip or electrode of crystal resonator which can compensate the frequency variation due to temperature of crystal. Said method can make the frequency temperature property of crystal reach positive and negative 0.2ppm and simply the current circuit of temperature compensation with small volume and low cost.

The invention discloses a gamma voltage generation device, a method and a liquid crystal display, which belongs to the technical field of display. The device comprises an arithmetic unit and a signal conversion unit connected with the arithmetic unit and a source driver, wherein the arithmetic unit is used for acquiring a corresponding relation between a gray scale and gamma voltage according to a gamma curve and a gamma curvature inputted in advance, and a pre-stored computational formula for the gray scale and liquid crystal display transmittance, and according to the corresponding relation between the gray scale and the gamma voltage and the pre-stored gray scale value needed by the liquid crystal display, a digital signal for the gamma voltage is obtained, and the gamma curve is a relation curve between the gamma voltage and the liquid crystal display transmittance; and the signal conversion unit is used for converting the gamma voltage digital signal to a gamma voltage analog signal and providing the gamma voltage analog signal to the source driver. The circuit is simple, the cost is low, and the working efficiency is improved.

The invention aims to provide a circuit for realizing high-threshold value comparison by using a high-precision low-voltage comparator. The circuit mainly comprises low-voltage operational amplifiers omp1 and omp2, resistors R1, R2 and R3, M2, M3, M1 and M4, wherein the M2 and the M3 are power metal-oxide semiconductors (PMOS) with the breadth length ratio of 1:1 and form a current mirror; the M1 and the M4 are two high-voltage field effect transistors; and the omp2 is used as a comparator. Compared with the circuit manufactured by the conventional method, the circuit has the advantages of simpleness, low power consumption, great reduction in cost and use range extension by using a low-voltage device to realize the high-threshold value comparison. A high threshold value is parallelly shifted to a low-threshold value range to serve as an input of the low-voltage comparator, so that the high-threshold value comparison can be realized. The integrated production of the circuit can be realized by monolithic integration process technology (a BCD process).

The invention relates to the technical field of a push-pull converter, in particular to an overcurrent protection circuit of the push-pull converter. The overcurrent protection circuit structurally comprises a push-pull circuit, a first driving circuit, a second driving circuit and an overcurrent detection circuit, wherein the first driving circuit and the second driving circuit are used for generating driving signals of a switch tube of the push-pull circuit, and the overcurrent detection circuit closes corresponding driving circuits when detecting that voltage signals at two output ends of the switch tube of the push-pull circuit are in overvoltage. Compared with the prior art, sampling of incoming current is not needed, namely a current transformer is not needed, lines of the converter are simplified, use of elements is reduced, possibility that two winding lines on input sides of the push-pull converter are asymmetrical is reduced, and a transformer is not easy to bias.

The invention relates to a ground wire noise eliminating circuit, which is connected between a power amplifier (A) and independent sound source equipment (B), and is characterized by comprising a differential amplifier (U3-A) of which the output end is electrically connected with the audio signal input of the power amplifier and the input end is connected with the audio output of independent sound source equipment and independent sound source equipment ground (B-GND) respectively, wherein power amplifier ground (A-GND) is electrically connected with differential amplifier ground; and the power amplifier ground is electrically connected with the independent sound source equipment ground through common power supply (C) ground. The circuit has the advantages of good ground wire noise suppressing effect, high audio index, simple circuit, low cost, small size and contribution to production.