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37results about How to "Reduce instantaneous power" patented technology

Transducer placement and registration for image-guided sonothrombolysis

An apparatus for ultrasound irradiation of a body part (208) includes a first ultrasound transducer (216), and a second ultrasound transducer (212) mounted oppositely, and is configured: a) such that at least two ultrasound receiving elements, for determining a relative orientation of the first to the second transducer, are attached to the first transducer; b) for a beam, from the first transducer, causing cavitation, and / or bubble destruction of systemically circulating microbubbles, within the body part; or c) both with the attached elements and for the causing. The apparatus registers, with said first transducer, the second transducer, by using as a reference respectively the features a) and / or b). A detachable subsystem includes either a therapy or imaging transducer, to form a combination imaging and therapy system, the subsystem being configured for removable coupling to correspondingly an imaging or therapy subsystem comprising a head frame (204) to which is mounted an imaging or therapy transducer, the imaging or therapy subsystem for registering the imaging or therapy transducer, one to the other, by the above method.
Owner:KONINKLJIJKE PHILIPS NV

Method and apparatus for transmitting downlink control signaling

A kind of transmission method and equipment of down control command is disclosed, said method includes steps: UE sends CQI reporter; network sends the resource indicating relative control commands; network sends other control commands except the resource indicating relative control commands in the same physical resource block with user data, transmitting the other control commands except the resource indicating relative control commands centralized of the same user, transmitting the other control commands except the resource indicating relative control commands dispersed of different users. The invention transmits control command of the same user centralized in time, and control command of different users staggered in time to decrease the instance power of the base station when sends commands.
Owner:BEIJING SAMSUNG TELECOM R&D CENT +1

Heating control method for multi-drum washing machine

The invention discloses a heating control method for a multi-drum washing machine.The washing machine at least comprises a first washing drum with a first heater and a second washing drum with a second heater.Before the first washing drum executes a heating program, whether needed heating time is too long or not is judged; if not, the first washing drum executes the heating program preferentially; if yes, whether the second washing drum is executing any one of a heating program, a dewatering program and a drying program or not is judged; if yes, the first washing drum suspends execution of the heating program, and executes the heating program after the second washing drum completes execution of the heating program; if not, the first washing drum executes the heating program directly.By means of the method, the first washing drum executes the heating program preferentially so that clothes, badly needing to be washed, of a user can be washed preferentially, and waiting time of the user can be shortened.Meanwhile, the heating control method is simple, reliable, significant in effect and suitable for application and popularization.
Owner:QINGDAO HAIER DRUM WASHING MACHINE

GFDM signal PAPR suppression method based on precoding matrixes

The invention relates to a PAPR suppression scheme based on precoding matrixes. The PAPR suppression scheme based on precoding matrixes includes the steps: theoretically, deriving the relation between the PAPR performance of a GFDM system and the autocorrelation function among data signals which are propagated at the same time slot; by means of transformation of linear matrixes, improving the distribution characteristics of PAPR, and obtaining three different precoding matrixes: DFT-Precoding, WHT-Precoding and DHT-Precoding, performing linear transformation on the input complex data signal, introducing phase scrambling codes, and reducing the instantaneous power of the GFDM signal by changing the correlation among the data symbols propagated on different carrier waves at the same time slot, so as to achieve the aim of reducing the system PAPR. The PAPR suppression scheme based on precoding matrixes can guarantee no sacrifice of BER performance while suppressing PAPR, and has no big influence on the frequency spectrum of the GFDM signal, wherein the theoretical analysis and the simulation result also verify the performance and the effect of PRPR suppression.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Draining-spinning control method for multi-drum washing machine

The invention discloses a draining-spinning control method for a multi-drum washing machine. The washing machine at least comprises a first washing drum and a second washing drum; before the first washing drum executes a draining procedure or a spin-drying procedure, whether the second washing drum is in execution of the draining procedure or the spin-drying procedure is judged; if the second washing drum is in execution of the draining procedure or the spin-drying procedure, the first washing drum continues to execute a washing procedure or a rinsing procedure, or the draining or spin-drying execution is suspended until spin-drying of the second washing drum is finished; if the second washing drum is not in execution of the draining procedure or the spin-drying procedure, the first washing drum starts the draining procedure and the spin-drying procedure. By means of the method, the first washing drum and the second washing drum cannot execute the draining-spinning procedures simultaneously and one washing drum continues to execute the washing procedure or the rinsing procedure during waiting, so that waiting time of the washing machine is used reasonably, and the clothing washing efficiency is increased. Meanwhile, the draining-spinning control method is simple, reliable, remarkable in effect and suitable for being popularized and used.
Owner:QINGDAO HAIER DRUM WASHING MACHINE +1

Vertical friction stud welding method

The invention discloses a vertical friction stud welding method. The welding method comprises the following steps of: pressing a highly rotating stud into a board, and taking the friction heat generated by friction between the end face of the highly rotating stud and the surface layer of the board as a heat source; after the stud is pressed into the board, when a uniform overlap is formed around the stud, carrying out in-situ friction for 1-5 seconds; stopping and implementing top forge force to the board, and maintaining the top forge force at least until the stud completely stops rotating; and for the secondary friction interface cracks of dissimilar metal stud welding , carrying out on-line afresh forging and connecting by technologies of continuous top forging and classified top forging. The welding method has the characteristics that protective gas and welding flux are not needed; by carrying out heating, crushing and dispersing an interface oxidation film via the methods of expansion pressurization and in-situ friction, the board is prevented from being excessively reduced, and the welding method has the advantages of low pressure, low heat input, and capability of inhibiting intermetallic compounds; and the on-line forging method is used for repairing the secondary friction interface reverse cracks in the board with fast heat radiation.
Owner:XI AN JIAOTONG UNIV

Negative voltage linear regulator

The invention provides a negative voltage linear regulator. The negative voltage linear regulator comprises a negative voltage linear regulator body and a soft start circuit, wherein the soft start circuit comprises a first transistor, a second transistor, a third transistor, a first enabling switch, a second enabling switch, a capacitor and a constant flow source and is used for preventing outputvoltage overshoot; the negative voltage linear regulator body comprises an error amplifier, an output power tube, a first feedback resistor and a second feedback resistor and is used for providing stable negative output voltage. Compared with the prior art, the negative voltage linear regulator with the soft start function is simple in structure, high in regulation performance, low in cost and easy to obtain and integrate.
Owner:HUNAN GOKE MICROELECTRONICS

Double-drive toggle rod mechanism for servo mechanical press and control method thereof

The invention relates to a double-drive toggle rod mechanism for a servo mechanical press and a control method thereof. The double-drive toggle rod mechanism comprises a first crank, a second crank, a first connecting rod, a second connecting rod, a first toggle rod, a second toggle rod and a third toggle rod, wherein one end of the first crank is connected with a body to form a rotary pair, the other end of the first crank is connected with one end of the first connecting rod to form a rotary pair, the other end of the first connecting rod is connected with one end of the first toggle rod and one end of the second toggle rod to form a rotary pair, the other end of the second toggle rod is connected with the body to form a rotary pair, one end of the second crank is connected with the body to form a rotary pair, the other end of the second crank is connected with one end of the second connecting rod to form a rotary pair, the other end of the second connecting rod is respectively connected with the other end of the first toggle rod and one end of the third toggle rod to form a rotary pair, the other end of the third toggle rod is connected with a sliding block to form a rotary pair, and the sliding block is arranged on a body guide rail to form a moving pair. By adopting the double-drive toggle rod mechanism, the performance and adaptability of the press can be improved, and the torque and instantaneous power of a single drive motor can be reduced.
Owner:GUANGDONG UNIV OF TECH

Control method of dual-drum washing machine

A control method of a double-drum washing machine, having a first washing drum and a second washing drum. Whether the heating time required by the first drum is overlong is judged before the first drum performs heating. If yes, the second drum executes the heating, or dewatering, or drying processes. If not, the following steps are performed:judging whether the second drum performs heating;if yes, judging whether the remaining heating time of the second washing drum is greater than T0;if the judgment result is yes, executing the alternate heating program that the first drum and the second washing drum perform heating alternately, and if the judgment result is no, executing the ordered heating program that the second drum performs heating firstly, and then the first drum performs heating,wherein T0 is a time value for judging whether the heating of the second drum is about to finish or not.
Owner:QINGDAO HAIER DRUM WASHING MACHINE

Color adjustment method for color sequential liquid crystal display

A color adjustment method for a color sequential liquid crystal display (LCD) having at least one white light source is provided. In the color adjustment method, firstly, an original image signal is converted into a target color point located in a chromaticity diagram in a color space. Then, a modified image signal having white data is calculated according to the original image signal. Afterwards, the modified image signal is converted into a main color point located in the chromaticity diagram by using a matrix group. Then, a plurality of subfield data are calculated according to the main color point and the target color point. The subfield data are used for enabling the main color point to fall on the target color point.
Owner:CHUNGHWA PICTURE TUBES LTD

LED based display panel including common LED driving circuit and display apparatus including the same

A display panel is provided. The display panel includes a plurality of light-emitting diodes constituting a plurality of sub-pixels of the display panel and configured to be divided into a plurality of groups; and a plurality of LED driving circuits configured to: receive a PWM data voltage in a scanning period; and based on the PWM data voltage, drive the plurality of light-emitting diodes by providing drive current to the plurality of light-emitting diodes for a time corresponding to the PWM data voltage in an emission period, wherein each of the plurality of LED driving circuits is configured to be connected to light-emitting diodes included in respective groups of the plurality of groups, and drive the light-emitting diodes of the respective groups.
Owner:SAMSUNG ELECTRONICS CO LTD

Non-contact IC card

In a non-contact IC card for performing communication with a reader / writer, an encryption block having a DES (data encryption standard) block for performing an encryption operation in accordance with a public key encryption algorithm and an ECC / SHA1 (elliptic curve cryptosystem / secure hash algorithm 1) block for performing an encryption operation in accordance with a common key encryption algorithm are incorporated into an IC chip. A CPU having a built-in clock gear causes a change of the operation frequency of the non-contact IC card. The communication operation with the reader / writer and the encryption operations performed by the encryption block are performed at different operation frequencies.
Owner:SONY CORP

Encryption apparatus

An encryption apparatus for performing an encryption operation using a public key encryption technique includes a public key encryption processor for performing an encryption operation using a public key encryption technique, a hash value generator for generating a hash value which is used by the public key encryption processor, and a storage unit for storing the generated hash value. When the hash value generator accesses the storage unit, at least other arithmetic operations performed by the public key encryption processor are suppressed. With the reduced instantaneous power consumption, high-speed and high-security signature generation and authentication using a public key is achieved.
Owner:SONY CORP

Filter cleaner base shell mould

ActiveCN106424640ADimensions unchangedQuality improvementDie castingMaterials science
The invention discloses a filter cleaner base shell mould. The filter cleaner base shell mould comprises an upper mould frame, an upper mould core, a lower mould frame and a lower mould core, wherein the upper mould core is arranged in the upper mould frame, and the lower mould core is arranged in the lower mould frame. The upper mould frame and the lower mould frame are connected and arranged on the left side and the right side of the mould correspondingly. A left sliding block and a right sliding block are arranged between the upper mould core and the lower mould core. A left oil cylinder and a right oil cylinder are arranged at the end of the left sliding block and the end of the right sliding block correspondingly. The upper mould core, the lower mould core, the left sliding block and the right sliding block are combined to form a die casting cavity of a filter cleaner base shell. A left side oblique swinging block and a right side oblique swinging block are arranged on the upper mould frame, wherein the left side oblique swinging block is matched with the left sliding block, and the right side oblique swinging block is matched with the right sliding block. Partial cooling devices are arranged on the positions, nearby the die casting cavity, of the left sliding block and the right sliding block correspondingly. The filter cleaner base shell mould has the obvious beneficial effects that structure is simple and stable, cost is low, production efficiency is high, the size of a casting outline is stable, casting quality is good, and the mould is good in heat dissipation effect and high in heat dissipation speed.
Owner:NINGBO BODA MACHINERY

A heating control method of a multi-drum washing machine

A washing machine comprises a first washing drum with a first heater and a second washing drum with a second heater. Before the first washing drum performs a heating procedure, it is necessary to determine whether the second washing drum is performing the heating procedure; if not, the first washing drum performs the heating procedure; if yes, it is necessary to determine whether the remaining heating time of the second washing drum is less than a set value, T min; if yes, the first washing drum pauses the heating procedure; when the second washing drum finishes performing the heating procedure, the first washing drum then performs the heating procedure; if not, remaining heating time of the first washing drum and that of the second washing drum are determined, whichever drum having the shorter remaining heating time performs the heating procedure first, while the other drum performs the heating procedure second.
Owner:QINGDAO HAIER DRUM WASHING MACHINE

Color regulation method of color sequence type liquid crystal display

The invention provides a color regulation method of a color sequence type liquid crystal display, which is applied to the color sequence type liquid crystal display comprising at least one white light source. The color regulation method comprises the following steps: firstly, converting an original image signal into a bit of target color point in a color degree map in a color space; then, calculating a modified image signal with a white datum according to the original image signal; next, using a matrix group for converting the modified image signal into a bit of main color point in the color degree map; and then, calculating a plurality of sub map field data according to the main color point and the target color point. The main color point falls on the target color point through the sub map field data.
Owner:华映视讯(吴江)有限公司 +1

Auxiliary power source bootstrapping circuit of power source converting device

The invention discloses an auxiliary power source bootstrapping circuit of a power source converting device, comprising an input filtering capacitor, a surge protection resistor, a surge protection switch, a bootstrapping charging resistor, a bootstrapping energy storage capacitor and an auxiliary power source. One end of the input filtering capacitor is connected with a high-voltage input positive end while the other end of the input filtering capacitor is connected with a common end of the surge protection switch; a normally-opened point of the surge protection switch is connected with a high-voltage input negative end; the surge protection resistor is connected in parallel between the common point and the normally-opened point of the surge protection switch; one end of the bootstrapping charging resistor is connected with a normally-closed point of the surge protection switch; the other end of the bootstrapping charging resistor is connected with one end of the bootstrapping energy storage capacitor; the other end of the bootstrapping energy storage capacitor is connected with a high-voltage input negative end; and a control power supply end of the auxiliary power source is connected in parallel at the two ends of the bootstrapping energy storage capacitor. The auxiliary power source bootstrapping circuit of the power source converting device has the advantages of reducing the power consumption and the occupation space and improving the reliability.
Owner:杭州富阳中恒电气有限公司

Unmanned aerial vehicle undercarriage and anti-falling energy storage method

The invention relates to an unmanned aerial vehicle undercarriage and an anti-falling energy storage method. The unmanned aerial vehicle undercarriage comprises an undercarriage body, the undercarriage body is damped after being folded / compressed, an energy storage device is arranged on the undercarriage body, the energy storage device is charged after the undercarriage body is folded / compressed, and the energy storage device is used for providing power when the undercarriage body is unfolded. The purpose of the invention is to provide buffering in a landing stage and store energy by adopting an energy storage device, convert gravitational potential energy of the unmanned aerial vehicle in the landing stage into elastic potential energy and store the elastic potential energy, and release the stored energy during takeoff, so that the elastic potential energy is converted into upward kinetic energy, thereby facilitating vertical takeoff of the unmanned aerial vehicle. Power consumption in the takeoff stage and electric energy in the descending stage are reduced.
Owner:重庆交通大学绿色航空技术研究院

Control method of dual-drum washing machine

A control method of a double-drum washing machine, having a first washing drum and a second washing drum. Whether the heating time required by the first drum is overlong is judged before the first drum performs heating. If yes, the second drum executes the heating, or dewatering, or drying processes. If not, the following steps are performed:judging whether the second drum performs heating;if yes, judging whether the remaining heating time of the second washing drum is greater than T0;if the judgment result is yes, executing the alternate heating program that the first drum and the second washing drum perform heating alternately, and if the judgment result is no, executing the ordered heating program that the second drum performs heating firstly, and then the first drum performs heating,wherein T0 is a time value for judging whether the heating of the second drum is about to finish or not.
Owner:QINGDAO HAIER DRUM WASHING MACHINE

Circuit and method for suppressing startup instantaneous current of wireless communication terminal

The invention belongs to the technical field of communication circuits, and particularly relates to a circuit and a method for suppressing startup instantaneous current of a wireless communication terminal. The circuit comprises a switch, a charging circuit and a bleeder circuit, wherein the switch is arranged between power supply input and power supply output, adopts an MOS field effect transistor, and is also provided with a voltage stabilization protection circuit; the charging circuit is arranged between the switch and the power supply input, adopts a capacitor element, and carries out charging and discharging on electric energy input by the power supply through a capacitor element so as to realize delayed power-on of the circuit; the bleeder circuit is arranged between the switch andthe power supply input and adopts a resistor element to discharge the electric energy charged by the capacitor element; and the bleeder circuit is also provided with a backward diode for acceleratingthe discharge of the electric energy charged by the capacitor element. Through the circuit and the method, the instantaneous power of the communication terminal is reduced, the discharge time is prolonged, and quick secondary startup without instantaneous high power is achieved.
Owner:深圳市奥闻科技有限公司

Household power saving system suitable for tiered electricity price and time-of-use electricity price

A household power-saving system suitable for step electricity price and time-of-use electricity price, characterized in that: it includes a control device, input and output equipment, a control switch group and a household electric meter; the control device includes a micro-controller and a monitoring module; the micro-controller can read Take the power consumption above it; the monitoring module includes the main control module, the first-class household appliance drive module, the second-class household appliance drive module, and the third-class household appliance drive module; the main control module is used for centralized control of the entire system, and its First of all, it is used to initialize the system, accept the household appliance switch information input by the user, and store it in the first, second or third type of household appliance switch information sequence buffer according to its attributes; and separately according to the household appliance switch information sequence buffer Call the first, second and third types of home appliance drive modules for processing. It can solve the problem of reducing the instantaneous power of peak power consumption when reducing the total load of the grid cycle.
Owner:NANHUA UNIV

Auxiliary power source bootstrapping circuit of power source converting device

The invention discloses an auxiliary power source bootstrapping circuit of a power source converting device, comprising an input filtering capacitor, a surge protection resistor, a surge protection switch, a bootstrapping charging resistor, a bootstrapping energy storage capacitor and an auxiliary power source. One end of the input filtering capacitor is connected with a high-voltage input positive end while the other end of the input filtering capacitor is connected with a common end of the surge protection switch; a normally-opened point of the surge protection switch is connected with a high-voltage input negative end; the surge protection resistor is connected in parallel between the common point and the normally-opened point of the surge protection switch; one end of the bootstrapping charging resistor is connected with a normally-closed point of the surge protection switch; the other end of the bootstrapping charging resistor is connected with one end of the bootstrapping energystorage capacitor; the other end of the bootstrapping energy storage capacitor is connected with a high-voltage input negative end; and a control power supply end of the auxiliary power source is connected in parallel at the two ends of the bootstrapping energy storage capacitor. The auxiliary power source bootstrapping circuit of the power source converting device has the advantages of reducing the power consumption and the occupation space and improving the reliability.
Owner:杭州富阳中恒电气有限公司

Array ultrasonic instrument test platform and method

PendingCN114878701AReduce signal attenuation and distortionAccurate test accuracyProgramme controlMaterial analysis using sonic/ultrasonic/infrasonic wavesNondestructive testingElectrical connection
The invention relates to the field of ultrasonic nondestructive testing instruments, in particular to an array ultrasonic instrument testing platform and method. The test platform comprises a relay array, an upper computer and a control module, and the relay array comprises a plurality of transmitting test relays and a plurality of receiving test relays; the emission test relay is used for connecting the electric connection between the ultrasonic channel and the emission test interface when the emission signal of the ultrasonic channel is tested based on the control of the control module; the electric switch is also used for disconnecting the electric connection between the ultrasonic channel and the emission test interface when the test is finished; the receiving test relay is used for connecting the electrical connection between the ultrasonic channel and the receiving test interface when the receiving signal of the ultrasonic channel is tested based on the control of the control module; the electric switch is also used for disconnecting the electric connection between the ultrasonic channel and the receiving test interface when the test is finished; according to the invention, automatic testing is realized, and the testing efficiency is improved.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Control method and device of phone ringing on home gateway

The invention provides a control method and device of phone ringing on a home gateway and belongs to the home network control field. The control method of phone ringing on the home gateway includes the following steps that: the state of a first analog access port is monitored, whether the first analog access port receives a ringing message is judged; and when the first analog access port receives a ringing message, a phone connected with the first analog access port and a phone connected with a second analog access port ring at intervals. According to the method, the phones connected with the analog access ports ring at intervals under control, and simultaneous ringing of the plurality of phones can be avoided, the energy consumption of the terminal single board of the home gateway can be decreased, and the performance of the single board can be improved.
Owner:ZTE CORP

A drying control method of a multi-cylinder washing and drying machine and a multi-cylinder washing and drying machine

The invention discloses a drying control method of a multi-tubular washer-dryer and a multi-tubular washer-dryer. The all-in-one machine includes a plurality of laundry processing cylinders, and at least one of the laundry processing cylinders is capable of performing a process for drying clothes. Drying program, the laundry processing cylinder is the first laundry processing cylinder, and other laundry processing cylinders have a water heating program for heating the washing water, and the priority of the drying program executed by the first laundry processing cylinder is higher than that of other laundry processing cylinders. The water heating program for the treatment cartridge has high priority. The present invention adopts a control method in which drying is prioritized, and while ensuring the drying performance, it can also ensure that the washing of the other cylinder is carried out, and the logic is simple and easy to implement. The high-power process in the washing process is controlled, the reliability of the whole machine is high, and the washing time can be used reasonably, and the heating can be carried out alternately to realize the effective distribution of washing time.
Owner:CHONGQING HAIER ROLLER WASHING MASCH CO LTD +1
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