167 results about "Volume control" patented technology

A controller configured to control a sound producing module includes a volume controlling unit configured to determine a demodulation amplitude and a modulation amplitude corresponding to a target volume. The sound producing module comprises a driving circuit and an air-pulse generating device. The driving circuit generates a demodulation driving signal according to the demodulation amplitude and generates a modulation driving signal according to the modulation amplitude, so as to drive the air-pulse generating device. The air-pulse generating device produces sound via generating a plurality of air pulses at an ultrasonic pulse rate.

A portable centrifuge comprising a base, which includes a rotational mechanism contained within. A sequester wheel having a plurality of concentric rings, forming at least one channel and a central container. The at least one channel comprising a second volume and the central container comprising a first volume. A first cover is disposed over the sequester wheel to create a seal. A second cover is disposed over the first cover and is rotatable to engage with the rotational mechanism to initiate rotation at a predetermined RPM. The whole blood and / or other tissue is separated into its constituent components and deposited into the at least one channel and the central container. Specific volumes of the constituent components may be calculated to match or substantially match the first and second volumes for predetermined volume control and ease of access.

The invention relates to the technical field of watering cart quantity control, in particular to a watering cart quantity control system and method based on the position of a water adding point and the remaining amount of a water tank, and the system comprises an air condition recognition module, a water storage capacity judgment module, an operation range distribution module, a watering flow adjustment module and an operation path confirmation module. According to the method, the particle concentration and the surface temperature are combined to divide the sprinkling intensity of an operation section, sustainable sprinkling segments are screened according to the remaining water amount, the water amount coverage range is limited, distance matching is carried out on the water amount coverage range and water adding point distribution, and the sequence of executable task segments is recombined; setting a flow interval according to a watering grade, dynamically adjusting spraying output in combination with a vehicle speed, extracting a flow change behavior record in the whole process, performing priority ranking on task segments through water saving performance, and constructing a water control execution scheme with pollution response, water quantity coordination and path screening capabilities; synchronous linkage and fine control of the spraying range, flow adjustment and the operation path are achieved.

The invention relates to an integrated active exhaust volume control device for CRRT, which belongs to the technical field of medical instruments and comprises a main mounting frame, and an on-line self-exhaust air bubble catcher, a continuous operation peristaltic pump, a mechanical volume follow-up compensation device, a module core controller and a piezoelectric ceramic micro compensator are integrated and fixed on the main mounting frame. The online self-discharging air bubble catcher actively removes bubbles in liquid, the peristaltic pump is continuously operated to achieve non-pulse continuous conveying of displacement liquid, the mechanical volume follow-up compensation device accurately regulates and controls waste liquid discharging, the module core controller receives signals in real time and coordinates actions of all components, and the piezoelectric ceramic micro compensator achieves fine adjustment of net dehydration. The module can eliminate bubble interference from the source, guarantee the continuity of CRRT treatment, improve the capacity management precision, simplify clinical operation, relieve the burden of medical staff and guarantee the hemodynamic stability of patients, and is suitable for CRRT treatment of critical patients.

The invention provides a sound effect optimization method based on an SOC architecture, a storage medium and electronic equipment. Comprising the following steps: S1, inputting an audio signal; s2, performing channel identification and switching on the audio signal; s3, when the sound channel number of the audio signal is less than a preset target sound channel number, performing up-mixing processing on the audio signal to obtain a multi-sound-channel signal with the preset target sound channel number; s4, performing global volume control and overall filter processing on the multi-channel signal; s5, performing gain control and intelligent loudness control on the filtered multichannel signal, wherein the gain control comprises application of a preset sound effect mode selected by a user; and S6, the signal after gain and loudness control is routed to a corresponding output channel for output according to the selected output scene mode. The invention provides a complete set of complete and high-quality audio solution from an input source to multichannel output, and is suitable for various audio products such as earphones, cinemas, automobiles and the like.

The invention provides a laboratory reagent distribution device and a laboratory reagent distribution method. The distribution device comprises a rack, a distribution quantity control mechanism arranged on the rack, a pressure transmission assembly and a multi-channel cooperative control valve group, the distribution quantity control mechanism is used for generating distribution pressure with preset volume, a pressure outlet of the distribution quantity control mechanism is connected with a first transmission port of the pressure transmission assembly, and a second transmission port of the pressure transmission assembly is connected with an air inlet of the multi-channel cooperative control valve group; the multi-channel cooperative control valve set comprises a valve element and a valve seat, a main air guide channel is arranged in the valve element, a plurality of branch air guide channels are arranged around the center of the valve seat in the radial direction of the valve seat, and the valve element is rotationally connected with the valve seat so that the main air guide channel can be communicated with any branch air guide channel. The plurality of branch air guide channels are respectively connected with a plurality of reagent bottles in a one-to-one correspondence manner; each reagent bottle is connected with a liquid outlet pipe group for distributing reagents; the method can be suitable for a small-scale intermittent experiment mode, the comprehensive utilization rate of the reagent can be improved, and the taking process is simplified.

This invention belongs to the technical field of concrete pouring, specifically an intelligent concrete placing machine for pouring irregularly shaped diaphragm walls. It includes a support frame and a main hopper. Walking plates are fixedly connected to both ends of the main hopper, and each walking plate has wheels at both ends. These wheels are embedded and slide in grooves within the support frame. Distributor bins are located on both sides of the bottom of the main hopper, and each distributor bin has a discharge volume control component. The discharge volume control component includes a fixed frame fixedly connected to one side of the outer wall of the distributor bin. This invention utilizes the discharge volume control component. When the radial rod moves, the corresponding chute rod also moves, driving the guide column to move through its chute. The driven rod slides on the top of the fixed ring, and the frame moves synchronously. Through the coordinated action of the frame and the adjusting plate, the elastic pad can be stretched, thereby achieving the purpose of adjusting the size of the funnel-shaped structure.

This utility model discloses a liquid precision volume control device, including a filling machine, a mounting frame mounted on the filling machine, a drain pipe at the bottom of the mounting frame, a solenoid valve mounted on the drain pipe, and a mounting assembly between the drain pipe and the mounting frame. A connecting collar is slidably sleeved on the top of the outer wall of the drain pipe, and the outer wall of the connecting collar is slidably engaged with the mounting frame. A positioning plate is mounted on the outer wall of the drain pipe, and a limiting spring is located at the bottom of the positioning plate. Under the action of the limiting spring, the positioning plate is slidably engaged with the inside of the mounting frame. This utility model utilizes the cooperative use of the mounting frame, drain pipe, and mounting assembly. When the positioning plate is engaged with the inside of the mounting frame by the limiting spring, the drain pipe can be stably mounted on the mounting frame. Pulling down the positioning plate releases the engagement between the positioning plate and the mounting frame. Sliding the drain pipe so that the limiting disc is located at the slot on the mounting frame allows for direct disassembly and maintenance of the drain pipe.

The present disclosure relates to a volume control method, device, electronic equipment, storage medium and program product, obtaining current system volume data of a mobile terminal, the system volume data including a system volume value and an application volume value; calculating the actual output volume of the mobile terminal according to the system volume value and the application volume value, and determining the volume interval corresponding to the actual output volume; obtaining the prompt cooling time of the mobile terminal, and executing the volume prompt strategy for the mobile terminal based on the initial prompt frequency level and the prompt cooling time. The present disclosure calculates the actual output volume by the system volume and the application volume, divides the volume into different intervals and associates the corresponding prompt frequency, avoids the inaccurate recognition and inconsistent terminal performance caused by single dimension, and effectively avoids frequent false alarms and user interference by combining the double regulation of the prompt frequency and the prompt cooling time.

The present application provides a capacity control valve with high control accuracy and excellent energy efficiency in normal control. The capacity control valve (V) has a valve housing (10) formed with a discharge port (12) through which a discharge fluid of a discharge pressure (Pd) passes, a suction port (13) through which a suction fluid of a suction pressure (Ps) passes, and a control port (13) through which a control fluid of a control pressure (Pc) passes; a rod (83) driven by a solenoid (80); and a main valve (50) composed of a main valve seat (10a) and a main valve core (51), the communication between the discharge port (12) and the control port (14) being opened and closed by the movement of the rod (83), the capacity control valve being provided with a CS valve (56) between the control port (13) and the suction port (14), the CS valve (56) being controlled by the dynamic pressure of the fluid flowing from the discharge port (12) to the control port (13) through the opening of the main valve (50).

To provide a wire buffer device which accurately detects a buffer amount, while adequately securing a buffer amount with a compact constitution.SOLUTION: A wire buffer device for controlling a sagging amount of a welding wire between feeding devices includes a base, the base comprising: a wire inlet part; a wire outlet part; a tube into which the welding wire is inserted and whose annular part is curved; a rod; a slider sliding in a radial direction of the annular part; a crank shaft disposed at a center position of the annular part; and a detection sensor. The rod is connected to a slide mechanism which slides in the radial direction of the annular part so that the crank shaft rotates according to slide movement of the slider, and connected to the crank shaft. The slide mechanism has a tube insertion part where the tube is inserted. The slide mechanism slides in the radial direction of the annular part following the movement of the tube in the radial direction.SELECTED DRAWING: Figure 3

This utility model discloses a guide rail for industrial robots, including a slide rail with an oil outlet mechanism. The oil outlet mechanism includes a slider, an oil outlet pipe, and a sealing disc. The slider is slidably connected to the slide rail. Multiple oil outlet pipes are installed at equal intervals on the slide rail, and each oil outlet pipe has an oil outlet groove. A sealing disc is fitted into the oil outlet groove, and the sealing disc has a round head. This innovative guide rail for industrial robots effectively solves the technical problems of uneven lubrication, difficult oil volume control, and frequent maintenance of traditional guide rails through a sophisticated intelligent lubrication system design. It provides an efficient, precise, and low-maintenance guide rail lubrication solution for industrial robot motion systems. The core innovation of this guide rail lies in its unique on-demand oil supply mechanism.

The present invention provides a gas burner device and a cooking appliance that can suppress the accumulation of soot on heated objects such as cooking containers due to the yellow flame generated in the sub-burner section immediately after the transition from a simultaneous combustion state to a single combustion state. [Solution] In a gas burner device 16 having a main burner section 36 and a sub-burner section 38, where the minimum heat output in a simultaneous combustion state when the main burner section 36 and the sub-burner section 38 burn simultaneously is greater than the maximum heat output in a single combustion state when only the sub-burner section 38 burns, but the minimum simultaneous combustion heat output opening of the gas volume control valve 55 is set to be smaller than the maximum single combustion heat output opening, the control means 60 closes the on / off valve 56 when the opening of the gas volume control valve 55 is smaller than the maximum single combustion heat output opening and is greater than or equal to the minimum simultaneous combustion heat output opening, thereby switching the combustion state of the burner 39 from a simultaneous combustion state to a single combustion state.

The invention belongs to the technical field of ship intelligent digital optimization design, and particularly relates to a ship global deformation and optimization method, program and equipment considering drainage volume precision control and deformation rationality and a storage medium. The analytical expression of the drainage volume variation about the global deformation parameter is obtained based on the numerical integration and the recursion formula, the reasonable deformation parameter range of the ship body is determined based on the global deformation modification function and the regular design space, the ship body does not need to be actually deformed, the corresponding volume variation can be directly predicted according to the design parameter, and the calculation accuracy is improved. Accurate feedforward control of volume constraint and direct judgment of rationality of the deformed ship are realized. On the basis, rapid optimization of any ship type structure under the constraint of reasonable deformation and accurate volume control is realized in combination with an agent model. According to the method, a traditional'design-verification-adjustment 'experience iteration process is converted into deterministic one-step calculation, and subsequent optimization can be directly carried out in a pre-verified reasonable design space.

The present application is applied to the field of water dispensers, and provides a water dispenser, a water dispensing volume control method and apparatus, a device control method and apparatus, and a storage medium. The water dispensing volume control method comprises: acquiring an initial grayscale image of a water storage container, and performing feature filtering on the initial grayscale image to obtain a target grayscale image; determining a pixel contour set from the target grayscale image, and performing contour fitting on a target pixel contour in the pixel contour set, so as to determine a characteristic circle set of the water storage container; and determining a water volume capacity of the water storage container on the basis of the characteristic circle set, so as to obtain a single water dispensing volume of the water dispenser for the water storage container, and on the basis of the single water dispensing volume, generating a water dispensing control instruction to control the water dispenser to dispense water to the water storage container, so as to realize automatic control of the water dispensing volume of the water dispenser, thereby improving the user experience.

The utility model relates to the technical field of electronic equipment, and discloses a control assembly and wearable equipment, the control assembly comprises a first shell, a second shell and a first switch, and the second shell is arranged on the first shell and can slide relative to the first shell. The first switch is arranged on the first shell, and when the second shell slides from one position to another position, the first switch can be triggered, so that a control signal can be sent to the controlled equipment, and one-time control over the controlled equipment is completed. Therefore, when a user wears the wearable equipment, corresponding control functions such as page turning, menu scrolling, mode switching and volume control can be realized on the controlled equipment in a mode that the second shell slides relative to the first shell, so that the interaction feeling between the user and the wearable equipment is improved. In addition, the operation precision of the sliding mode is high, and the tactile feedback provided for the user is better.

The invention provides an aerosol generating device and a segmented coil assembly thereof, the segmented coil assembly comprises a heating cavity, the heating cavity is used for accommodating an aerosol forming matrix, the cavity wall of the heating cavity is provided with an electric conductor and a ceramic matrix, the electric conductor is used for heating the aerosol forming matrix accommodated in the heating cavity during working to generate aerosol, and the ceramic matrix is used for heating the aerosol forming matrix. The electric conductor comprises at least one first electric conduction coil and at least one second electric conduction coil, the first electric conduction coil and the second electric conduction coil are printed on the ceramic base body, and the first electric conduction coil and the second electric conduction coil can be independently controlled or cooperatively heated. The segmented coil assembly provided by the invention has remarkable structural advantages, is excellent in structural compactness, and is very beneficial to the miniaturization design of a product. According to the assembly, a sectional type ceramic coil integrated forming process is adopted, a traditional multi-strand coil structure is replaced, the volume control aspect is developed, and the overall volume of a product can be remarkably reduced.

A noise injury relief system is provided in the form of a portable handheld device configured for private therapeutic audio playback. The device includes an enclosure sized for pocket carry and having a front face with user controls and a cartridge insertion opening configured to receive a vaping cartridge. The front face includes an eleven-position slide switch for independently selecting internally stored recordings corresponding to eleven bells and a twelve-position slide switch positioned adjacent thereto for independently selecting twelve musical notes. An additional switch permits selection among different musical instruments for playback of the musical notes, and a volume control knob enables user adjustment of audio output. Internal audio signals are processed through a signal generator and transmitted wirelessly to a user audio device for private playback. The system is powered by an internal power supply and is configured for repeated use.

An audio system with a base station connected to multiple mobile devices. The base station and the mobile devices are configured to exchange data. The base station is connected to an audio mixer configured to receive multiple input signals from the mobile devices, mix them into a single signal, and provide it as an in-ear monitoring signal. This signal is then transmitted to a mobile device that includes an output amplifier and connected transducers. The mobile device receiving the in-ear monitoring signal has a volume control that allows the user to adjust the playback volume of the in-ear monitoring signal. The mobile device also has an audio compressor that compresses the input signal level of the in-ear monitoring signal as a function of the volume setting, ensuring that the output level of the output amplifier does not exceed a predefined limit.

This air-conditioning device for vehicle comprises an air-volume control unit that controls an air volume of air blown into a vehicle cabin on the basis of at least a set temperature set by a temperature setting means and a temperature in the vehicle cabin acquired by a temperature detection means, in which the air-volume control unit includes, as a plurality of selectively executable control modes, a first control mode in which a relationship between the set temperature and the temperature in the vehicle cabin and a degree of the air volume is defined, and a second control mode in which the relationship between the set temperature and the temperature in the vehicle cabin and the degree of the air volume is defined to be different from that in the first control mode.

The application provides a water hammer pump top cover drainage method based on dynamic volume control and double-pipe parallel connection, and the water hammer pump top cover drainage method based on dynamic volume control and double-pipe parallel connection can effectively solve problems such as limited top cover space of a hydropower station, high energy consumption and easy damage of mechanical parts, and realizes self-adaptive drainage control without external energy, reduces equipment failure rate and maintenance cost, and improves stability and operation safety of a drainage system.

A method for spectrum-based volume control of a head-wearable device is described. The method occurs at a head-wearable device with one or more microphones and one or more speakers while worn by a user. The method includes, obtaining an audio input, captured at the one or more microphones, of an ambient noise around the user. The method further includes determining a respective input audio level for each frequency band of a plurality of frequency bands of the audio input. The method further includes obtaining an audio output, the audio output having a plurality of frequency bands corresponding to the plurality of frequency bands of the audio input. The method further includes causing each frequency band of the plurality of frequency bands of the audio output to be adjusted based on the respective input audio level of the corresponding frequency band of the audio input to create an adjusted audio output.

This invention discloses a temperature- and pressure-controlled volumetric cartridge with replaceable windows, comprising an upper cover, a main window, and a lower cover. The main window has a viewing window and is detachably connected between the upper and lower covers. Several connecting screws are fixed to the edge of the lower cover, with one end of the connecting screw away from the lower cover passing through the edge of the upper cover. The upper cover and the connecting screws are slidably connected, and a locking nut is threaded onto one end of the connecting screw that extends out of the mounting plate. The main window is located between the upper and lower covers, and can be clamped and fixed between the upper and lower covers by tightening the locking nut. This invention adopts a replaceable three-section split design and is equipped with multiple sets of replaceable windows. A single volumetric cartridge can meet various diagnostic needs, significantly reducing the cost of spray optical diagnostic testing. Furthermore, the temperature and pressure inside the volumetric cartridge are adjustable, and the airflow is uniform and controllable, efficiently organizing the airflow movement within the cartridge and avoiding airflow dead zones.

The invention relates to "Method and system for volume control". A method performed by a first electronic device is disclosed, the method comprising initiating a joint media playback session in which the first electronic device and a second electronic device independently stream media content for synchronized playback when a call with the second electronic device has been engaged; driving a loudspeaker with a mixed content of a downlink signal of the call and an audio signal of the media content at a total volume level; receiving a user adjustment at a single volume control of the first electronic device to lower the total volume level; in response to the user adjustment, applying a first gain adjustment to the downlink signal and a second gain adjustment to the audio signal; and driving the loudspeaker with a mixed content of the downlink signal and the audio signal at the lowered volume level.

A sound volume control arrangement for a motor vehicle includes a source of audio content producing an audio signal. A loudspeaker receives the audio signal and produces audible sounds based on the audio signal. An audio processor detects whether a human conversation is occurring within the motor vehicle and, in response to detecting the human conversation, reduces a volume at which the loudspeaker produces the audible sounds based on the audio signal.

This display device linked to sink devices comprises: a display for displaying, on a screen, a list of sink devices capable of playing back an audio stream; a wireless communication module for transmitting, to the sink devices, a wireless signal including the audio stream; and a processor for controlling the wireless communication module such that the sink devices are scanned so as to be paired therewith. The processor establishes a volume control-related connection with the sink devices so that the volume of the audio stream played back through the sink devices is controlled, and controls disconnection from at least one first sink device from among the sink devices while the audio stream is played back.

The application discloses a kind of based on cabin high delay scene volume control method, system and vehicle, method steps include: real-time monitoring user in preset time volume adjustment frequency, when volume exceeds the safety volume threshold, start volume anti-explosion strategy, detect audio signal, determine the normal fluctuation range of audio signal, the abnormal data points are removed to audio signal is intelligently analyzed and filtered, and verification is carried out using filter or machine learning model;Based on adaptive adjustment algorithm, volume setting is adjusted according to user usage habit and environmental noise, control volume smooth reduction, the adaptive adjustment algorithm has user volume preference model built-in.The application can effectively prevent the problem of too large or too small volume caused by improper operation by implementing anti-explosion strategy in the process of optimizing volume setting, so as to ensure the accuracy and stability of volume setting and improve the volume display effect.

The present disclosure provides an automatic volume control method for calibration track playback in a multi-channel speaker system and a multi-channel speaker system. The multi-channel speaker system may include a plurality of speakers, each having at least one built-in microphone. The method may include: obtaining a microphone input signal from a built-in microphone of a plurality of speakers; estimating an energy value of the microphone input signal; selecting an interested energy value from the energy values; obtaining an average energy value of the selected energy values; and calculating a calibrated volume for automatic volume control based on the average energy value.

The invention provides a method and device for adjusting vehicle audio, a vehicle and a storage medium, the method is applied to the technical field of vehicle audio adjustment, and the method comprises the steps: determining a target equalizer mode of an in-vehicle audio system according to M lying positions associated with M lying persons when it is detected that M lying persons exist in a rear-row bed of the vehicle; compensating the output volume of the target loudspeaker according to the spatial distance parameter associated with the target loudspeaker to obtain a target output volume; and controlling the target loudspeaker to play the audio based on the target equalizer mode and the target output volume. According to the method, the equalizer mode can be determined according to the lying position of the user, so that the sound effect can be accurately matched with the sound effect playing requirement in the lying scene. In addition, the volume of each loudspeaker in the vehicle is compensated through the lying position, so that the problem that the volume of some loudspeakers is too strong or too weak when multiple persons lie down is avoided.