276 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.

Aspects of the subject technology provide individual volume controls for concurrently operating audio sources at an electronic device. The audio sources may be spatialized audio sources that are associated with display objects that are displayed to appear at various three-dimensional locations around a user of the electronic device, such as in an extended reality environment. In this way, an electronic device may provide the user with the ability to individually control the volumes of the various audio streams originating from the various three-dimensional locations around the user. The individual volume controls may be applied according to individual volume control curves, and / or based on a user intent determined by the electronic device.

The invention belongs to the technical field of expiration detection, and particularly relates to an intelligent expiration tail end gas sampling device and method. The device specifically comprises a shell, a circuit board, a carbon dioxide sensor, a pressure sensor, a baffle, a top cover, a suspension plate, an air pump, a relay, a breathing mask, a mask connector with an internal small cavity, a thermal desorption tube, a TD tube, a Bluetooth module, an air path channel, a silicone tube and the like. End-expiratory gas collection is achieved through accurate triggering and flow control, and dead space gas mixing is avoided; collected gas is directly enriched into a thermal desorption (TD) adsorption tube, so that the loss of VOCs in the transmission and storage process is reduced; and through quantitative sampling volume control and an optimized pipeline material / structure, the adsorption / release and background pollution of the device body to the sample are reduced, so that the representativeness and sensitivity of sampling and the repeatability among different operators / different places are improved.

A method performed by a first electronic device, the method includes, while engaged in a call with a second electronic device, initiating a joint media playback session in which the first and second electronic devices independently stream media content for synchronous playback; driving a speaker with a mix of a downlink signal of the call and an audio signal of the media content at an overall volume level; receiving a user-adjustment at a single volume control for the first electronic device to reduce the overall 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 speaker with a mix of the downlink signal and the audio signal at the reduced volume level.

The invention discloses a cooperative operation control method and system driven by parallel pumps of a crane based on working condition identification, and belongs to the technical field of engineering machinery, and the cooperative operation control system comprises an intelligent working condition sensing and control module, a discrete hydraulic driving module, a cooperative speed regulation module and a dynamic response execution module, a parallel pump set strategy is dynamically configured in combination with working condition identification of load pressure, a cargo boom angle and a handle input signal, and flow is smoothly output as required on the basis of grading of light loads, medium loads and heavy loads and cooperative adjustment of the number of matched constant delivery pumps and the rotating speed of a motor according to the single-action working condition; aiming at the hoisting and variable-amplitude composite action, a variable-speed volume control or pump valve cooperative control mode is selected by judging the state of a proportional switch electromagnetic valve, the flow distribution and dynamic response are optimized, the energy efficiency is improved to 82% or above, meanwhile, the speed fluctuation rate control of + / -5% is realized, and the method is suitable for the electric upgrading scene of the crane.

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.

1. Name of the product in this design: Knob Controller (RYYT003). 2. Application of this design: This design is used for powering on / off, volume control, treble adjustment, bass adjustment, left and right channel balance, and vibration amplitude adjustment and control of audio equipment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

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.

A method for controlling and interacting with a three-dimensional environment is provided. A computer system displays an immersion control, a volume control, an element configured to allow or limit penetration in different operating modes of the computer system, and / or an option selectable to cause display of a representation of content from a second computer system via a display generation component of the computer system. While the second computer system is displaying the content, the first computer system detects an input corresponding to a request to display a representation of the content from the second computer system via a display generating component of the first computer system, and in response, displays the representation of the content from the second computer system. A process is initiated that displays a representation of the content and does not emphasize the content displayed by the second computer system. The first computer system facilitates disambiguating a second computer system from the plurality of computer systems to display a representation of content from the second computer system.

The utility model discloses a foldable protective fence for elevator maintenance. The foldable protective fence aims at solving the problems of a traditional protective fence for elevator maintenance in the prior art in the aspects of volume control, stability and protection comprehensiveness. The protective fence comprises a left vertical rod and a right vertical rod, and notches are formed in the peripheries of the vertical rods and used for being connected with a telescopic connecting rod mechanism. The connecting rod mechanism is composed of a plurality of metal rod pieces which are connected in a crossed mode to form a stable rhombus or polygon-like structure, the connecting rod mechanism is connected with the vertical rods through the notches, and the foldable and telescopic functions of the protective fence are achieved. A fixing ring is arranged in the middle of the vertical rod and used for limiting the maximum opening and closing width of the connecting rod mechanism, and stability is enhanced. The trundle mounting rods are vertically arranged in the middles of the connecting rod mechanisms, and universal wheels are mounted on the trundle mounting rods, so that the protective fence is convenient to move and fix. A telescopic cross rod is rotatably arranged above the vertical rod on one side, a convex column is arranged above the vertical rod on the other side, and a hook at the tail end of the cross rod can hook the convex column, so that the protective fence is further fixed. The foldable bottom feet are arranged at the lower ends of the vertical rods, and stable supporting is provided for the protective fence. The elevator maintenance platform has the advantages of being small in size, high in stability, comprehensive in protection, convenient and fast to move and the like, is suitable for various elevator maintenance scenes, and effectively improves safety and efficiency of maintenance operation.

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.

This document describes suspension forks for bicycles. An exemplary suspension fork comprises a first tube and a second tube, which is slidably mounted within the first tube. The first tube includes an outer mounting section. A first volume is arranged between the first tube and the second tube. A sealing element for the first volume is provided between the first tube and the second tube. A volume control element is detachably attached to the outer mounting section of the first tube, and the volume control element is actuated to change the size of the first volume arranged between the first tube and the second tube.

A syringe has an injection mechanism configured to be detachably connected to a medicine vial. The injection mechanism can be manually triggered to convert an injection mode and a standby mode; the injection mechanism has a housing, a spiral pushing assembly, a metering guide sleeve, a total volume control nut, a diagonal tension knob, and a metering screw; after the medicament liquid in the medicine vial is used up, a user can remove the medicine vial, the injection mechanism can be converted into the standby mode, and non-return ratchet buckles of the metering guide sleeve can be disengaged from a one-way ratchet portion of the housing; thus, the metering screw can be pushed back to an original position, and the total volume control nut is pushed back to an initial full volume position of the metering guide sleeve, so that the syringe can be reused.

This invention discloses an elevator multi-device volume adjustment system based on passenger behavior, comprising: a signal acquisition module, which acquires all sound signals inside the elevator car and at the landings and outputs digital signals; a voice signal pre-cancellation module, which receives the digital signals output by the signal acquisition module, removes sound signals from known devices inside the elevator car and at the landings, and then outputs the separated sound sources; a voice separation module, which receives the sound sources output by the voice signal pre-cancellation module, separates human voices from ambient sounds, and outputs the processed sound signals; and an intelligent volume adjustment module, which adjusts the volume of voice announcements and multimedia devices inside the car or at the landings, so that the ratio of passenger conversation voices to ambient volume reaches a preset range. This invention can detect and separate passenger conversation voices from numerous sound sources in the car and at the landings, obtaining feedback directly related to passenger conversation behavior. Based on this feedback, the volume adjustment strategy is more accurate and adaptable to different scenarios.

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.