169results about How to "Volume adjustment" patented technology

The invention relates to a device and a method for simultaneously testing the permeability of compact rocks under transient state and steady state, and belongs to the fields of rock engineering and unconventional oil and gas reservoir engineering. The testing device for simultaneously testing the permeability of the compact rocks under the transient state and the steady state comprises a three-shaft pressure chamber, a bias pressure control system, a confining pressure control system, an upper end permeating system, a lower end permeating system, a vacuum pumping system, a constant temperature system and a data controlling and collecting system. The method for simultaneously testing the permeability of the compact rocks under the transient state and the steady state comprises the following steps: demarcating the reference volume, providing the confining pressure and bias pressure temperature environment for a sample, and testing the permeability under the transient state and the permeability under the steady state. For the device and the method, the practical bias pressure, back pressure and constant temperature testing environment conforming to the engineering is provided, the fluctuation error of the temperature can be controlled within -0.1 DEG C to +0.1 DEG C, the volume error of the gas can be controlled within 0.3%, and the error of the injected pressure can be controlled within 0.5%. The test of the permeability under the transient state in constant pressure and constant volume ways can be simultaneously realized; when the permeability is tested in the constant volume way, the volume of a reference container can be adjusted according to the volume of a pore.

The invention discloses a method and a device for automatically regulating the volume. The method comprises the following steps: detecting and obtaining current passing through a loudspeaker and/or an earphone; quantizing the obtained current to obtain a current voice frequency quantized value; and regulating the volume according to a comparison result of the current voice frequency quantized value and a voice frequency setting value set by a user. According to the method and the device provided by the invention, the problem of volume mutation caused by replacement of music files or difference in types of music can be effectively avoided, the hearing of a user is protected, the user is prevented from being scared by excessive volume, and the user experience is improved.

The invention discloses an interface display and function control mode of a music player. The control mode comprises three play interface display modes, wherein the first one is a stage play interface display mode in which the stage scene and dancers in real life are simulated in the play interface and in company with different lights or a cool particle effect, a real visual experience is simulated; the second one is a science-fiction synchronous lyrics play interface display mode in which the lyrics are pressed and pulled up and down by a finger, a touch pen, a mouse or an external rotation button in a synchronous lyrics play interface so as to realize fast forward or fast backward to any part the user wants to listen to; and the third one is a handsome optical disk play interface display mode in which the finger touch is more convenient due to a whole-screen optical disk mode and a laser-engraved CD (compact disc) cover type optical disk is displayed during music play and rotates along with the music play. Through the invention, the display effect of the music player is enriched, and the visibility and controllability of the music interface are enhanced. Based on the traditional mode of playing music by key clicking, a new human-machine interaction mode is realized. The quick mode provides a brand-new user experience in terms of layout, operation mode and personalization.

The invention relates to an ABS-ESC performance testing device and an ABS-ESC performance testing method. The ABS-ESC performance testing device is composed of a mechanical hydraulic mechanism and a testing and controlling mechanism. The mechanical hydraulic mechanism comprises the components of a fuel tank, a liquid level meter, a liquid level switch, fuel filters, a direct operated overflow valve, a hydraulic pump, electromagnetic ball valves, a high-pressure energy accumulator, a middle-pressure energy accumulator, a low-pressure energy accumulator, anti-vibration pressure gauges, pressure sensors, volume regulating valves, fuel cans, an ABS/ESC tested member, a fuel receiving disc, a waste fuel tank and a small steel cylinder. The testing and controlling mechanism comprises an upper computer, a data acquisition card, a signal conditioning module, a sensor module, a power supply module and a driving card. The ABS-ESC performance testing device and the ABS-ESC performance testing method realize high testing precision and furthermore can realize testing on ESC active pressurizing.

The invention discloses a volume adjusting method for a television and a device thereof, wherein the method comprises the following steps of: acquiring position information of a television terminal; judging whether each region is in sleep state according to the position information; if so, sending a prompt instruction to the television terminal which is still in start state and in the sleep-state region, and prompting the television terminal to adjust the volume. According to the invention, through obtaining the position information of the television terminal, the sleep situation of each region can be judged according to the position information, and the prompt instruction is sent to the television terminal which is in the sleep-state region, therefore a user is prompted for adjusting the volume. According to the method and the device disclosed by the invention, the problem of incapability of precisely prompting users to adjust volume in the prior art can be solved, therefore the efficiency of volume prompt for the sleep region is improved.

The invention discloses a temperature partitioned type refrigerator and a standard refrigerator system. The temperature partitioned type refrigerator comprises a box body and a telescopic sliding type goods shelf, wherein the telescopic sliding type goods shelf is mounted in the box body; the telescopic sliding type goods shelf comprises at least two heat preserving plates which are vertically arranged, the upper and lower ends of the heat preserving plates are separately pressed against the top and bottom inner walls of the box body, moving structures are arranged between the heat preserving plates and the top and bottom inner walls of the box body, and the heat preserving plates can transversely move in the box body; at least one layer of goods shelf sliding grooves are formed in the two side surfaces of each heat preserving plate, at least one layer of goods shelf sliding grooves are further arranged in the two side walls close to a refrigerator door of the box body, and the goods shelf sliding grooves in the side walls of the box body correspond to the goods shelf sliding grooves in the heat preserving plates; and telescopic goods shelves are mounted between the goods shelf sliding grooves in the side walls of the box body and the goods shelf sliding grooves in the heat preserving plates or between the goods shelf sliding grooves of the two adjacent heat preserving plates, and the telescopic goods shelves can extend or retract in a direction perpendicular with the goods shelf sliding grooves.

The embodiment of the invention discloses a method for controlling music playing and intelligent wearable equipment. The method comprises the following steps: when a terminal plays music, a first pressing operation in a first preset area of the intelligent wearable equipment is detected, so as to ensure that the first pressing pressure value of the first pressing operation exceeds a first preset pressure value, and first pressing duration of the first pressing operation exceeds first preset duration; according to mapping of a first pressing duration set to a music switching number set, the target music switching number corresponding to the first pressing duration is selected; a music switching instruction is generated according to the first pressing pressure value and the target music switching number to be sent to the terminal, so that the terminal can switch music currently played by the terminal according to the music switching instruction. Through implementation of embodiment of the invention, the convenience for controlling music playing can be improved.

The invention provides a volume adjusting method. The volume adjusting method is applied to an electronic device that is playing a video file. The volume adjusting method comprises the following steps: confirming an application scene of the electronic device, wherein the application scene comprises an incoming call is monitored or a call is performed; when the application scene is that the incoming call is monitored, controlling to play the video file at a first volume lower than the ringtone volume of the incoming call; when the application scene is that the call is performed, detecting whether call voice exists at present; and adjusting the volume of playing the video file according to a detection result to facilitate the call. The invention further provides a volume adjusting device. By adoption of the volume adjusting device and method provided by the invention, when the video is played, the volume of playing the video file is controlled according to whether the incoming call is monitored or the call is performed so as to facilitate the answer of the incoming call or the execution of the call.

An embodiment of the invention provides a sound volume adjusting method and device and relates to the technical field of computers. The sound volume of a program watched by a user can be adjusted in an intelligent manner, and watching experience of the user can be improved. The method comprises the following steps: a program playing command sent by the user is obtained; the program playing command carries identifying information of the program to be played; the sound volume of the program to be played is determined in a program sound volume table according to the identifying information, carried by the program playing command, of the program to be played and current time; the program sound volume table is used for recording sound volume values corresponding to different programs in different time periods; the program to be played can be played according to the sound volume value of the program to be played. The sound volume adjusting method and device are suitable for scenarios of intelligent adjustment of sound volume.

The invention discloses a cursor movement method applied to an electronic device. The cursor movement method comprises the steps of displaying a cursor movement triggering icon on the touch display screen of the electronic device when the electronic device is in a text editing state; after a preset operation aiming at the cursor movement triggering icon is detected, receiving the cursor movement touch operation on the touch display screen, wherein the cursor movement touch operation includes centralized control type touch operation; and moving a cursor in the text editing region of the electronic device based on the cursor movement touch operation. The invention also provides a electronic device for realizing the cursor movement method. According to the cursor movement method and the electronic device, the cursor can be moved to a needed position rapidly and conveniently.

The invention discloses a preparation method for nano-particles with metal-carbon core-shell structures. The preparation method comprises the steps of: firstly adding a metal target into an organic solution; introducing inert gas; ablating the metal target by using a laser device under a stirring condition; then adding the obtained laser-ablated product into a sulfuric acid solution; introducing the inert gas; heating and stirring the solution; and cooling the solution to obtain the nano-particles with metal-carbon core-shell structures. The preparation method disclosed by the invention is simple in process, fast, good in repeatability and green and pollution-free; and the obtained nano-particles with metal-carbon core-shell structures are high in purity and uniform in shape, carbon fluorescence is enhanced, and the nano-particles can be regulated.

The invention discloses a packaging structure of a luminous semiconductor chip and a packaging method thereof. The packaging structure of the luminous semiconductor chip comprises the luminous semiconductor chip and a lampshade, wherein the luminous semiconductor chip is fixed on the bracket of the luminous semiconductor chip; the lampshade and the bracket of the luminous semiconductor chip are fixedly connected and form a sealed cavity; and the luminous semiconductor chip is positioned in the cavity. The lampshade and the bracket of the luminous semiconductor chip of the invention form the sealed cavity to isolate the luminous semiconductor chip from outside and oxygen, so that the luminous semiconductor chip has less possibility of being affected with damp and oxidized, and the packaging structure can be in nude packing without encapsulation by epoxy resin, thus the luminous semiconductor chip can radiate the heat from each direction so as to greatly improve the heat dissipation environment of the luminous semiconductor chip, and the luminous semiconductor chip has normal working temperature without a radiator. Thus, the packaging structure has low manufacture cost, is favourable for popularizing and using products, has simple packaging technology and is favourable for the mass production of the product.

The invention discloses a volume processing method and a volume processing device. The method comprises the steps of acquiring road traffic information in front of a vehicle, analyzing the road traffic information in front of the vehicle and judging whether the vehicle in an alarm state, and adjusting the volume of an audio-video player on the vehicle to make the volume of the audio-video player smaller than a first threshold if the vehicle is judged to be in an alarm state and the volume of the audio-video player is greater than or equal to the first threshold. The invention further discloses the device for implementing the method.

The invention discloses a powder quantitative supply device for selective laser melting 3D printing. The powder quantitative supply device comprises a powder supply mechanism, a powder discharging mechanism which is fixed on the lower part of the powder supply mechanism and a control system; the powder discharging mechanism comprises a powder discharging box body, a powder discharging shaft and apowder discharging motor; the powder discharging box body comprises a first box body, wherein a powder inlet communicating with the powder supply mechanism is formed in the top part of the first box body, and a powder outlet is formed in the bottom part of the first box body; the powder discharging shaft comprises a powder discharging shaft main body and a powder discharging shaft end part, and the powder discharging shaft main body is provided with a single axial powder picking groove; the powder discharging shaft main body is rotatably arranged in the first box body, and divides the first box body into a top space and a bottom space which are isolated from each other; the powder discharging motor is arranged at one end of the powder discharging box body, and an output shaft of the powderdischarging motor is in driving connection with the powder discharging shaft end part; and the control system is electrically connected with the powder discharging motor. Compared with a spline shaftin the prior art, the powder discharging shaft with the single groove has the advantages of being simple in appearance and low in manufacturing requirement.

The invention discloses a wireless headset volume control method and system, a wireless headset and a computer readable storage medium. The method comprises the steps of obtaining sensor information of the wireless headset, wherein the sensor information comprises motion sensor information or vibration sensor information; and adjusting the volume of the wireless headset according to the sensor information. According to the wireless headset volume control method provided by the invention, the volume of the wireless headset is controlled by collecting the sensor information, and the sensor information comprises motion sensor information or vibration sensor information. Due to the fact that the sensor information collection and recognition difficulty is low, and the recognition result accuracy is high, the wireless headset volume control method provided by the invention improves the volume control effect of the wireless headset.

The invention discloses a volume control method, a volume control system, a wearable device and a terminal and belongs to the technical field of mobile communication. The method comprises the following steps of establishing a communication connection between a first terminal and a second terminal, wherein the first terminal is provided with an operation module used for controlling the volume; receiving an operation input by a user through the operation module and generating a volume increase instruction or a volume decrease instruction according to the operation; and sending the volume increase instruction or the volume decrease instruction to the second terminal in order to make the second terminal carry out volume control according to the volume increase instruction or the volume decrease instruction. When the second terminal cannot be taken conveniently, the wearable device can adjust the volume of the second terminal conveniently and efficiently to enrich a volume adjustment manner of the second terminal and expand functions of the wearable device based on a small number of hardware changes, so that the user experience is improved.

The invention discloses a continuous scab removal sand feeding device and a titanium white chlorination production device with the same. The continuous scab removal sand feeding device comprises a charging material tank with a charging hole, a pressure release valve and a sensor for detecting the material capacity, a middle material tank arranged at the downstream part of the feeding material tank, and a feeding material tank which is arranged at the downstream part of the middle material tank and is provided with a discharging hole, wherein a first discharging valve for connecting the charging material tank with the middle material tank and disconnecting the charging material tank from the middle material tank is arranged between the charging material tank and the middle material tank; a discharging adjustment device for adjusting the material conveying quantity is arranged at the discharging hole; a second discharging valve for connecting the middle material tank with the feeding material tank and disconnecting the middle material tank from the feeding material tank is arranged between the middle material tank and the feeding material tank. According to the continuous scab removal sand feeding device disclosed by the embodiment of the invention, the scab removal sand conveying quantity can be accurately adjusted, and scab removal sand can be continuously and stably discharged.

The invention discloses an ambient noise detection method, device and system for rail transit. The ambient noise detection method comprises the following steps: when a broadcast loudspeaker is in a mute state, controlling an acquisition device to carry out noise acquisition in multiple directions in sequence in the current area, wherein the acquisition device has a characteristic of single directivity; obtaining the noise data collected by the acquisition device in each direction; and according to the noise data collected in each direction, determining a position area of a noise source. The method can make the location judgment result of the noise source more accurate and improves detection accuracy of the ambient noise.

This invention discloses an earphone. The earphone comprises a plug, two headphones and a control unit, wherein the plug is connected with the control unit through a first connecting line; the control unit is connected with two headphones through a second connecting line; the control unit comprises a left ear volume control element connected with a left ear volume control unit, and a right ear volume control element connected with a right ear volume control circuit; and the left ear volume control element and the right ear volume control element are respectively used for controlling the volume output of two headphones. The earphone provided by the invention can be matched with an electronic device; the volume output of two headphones can be respectively adjusted through the volume control elements; and thus, a user can flexibly adjust the volume as needed.