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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.