119results about How to "Loud volume" patented technology

The invention discloses an intelligent service device capable of simulating human interactions and a method. User sex and age are identified according to the image information of a user, and user voice information is textualized to obtain text information, and semantic analysis is performed on the text information and user questions are extracted; similar question query and answer recommendation are performed on the extracted user questions by means of database; finally the recommended answers are converted into voice answers which are played for the user and preset figure actions matched with the recommended answers or the voice answers are presented to the user, wherein the voice answers are of the voice types selected in accordance with the user sex and age. According to the device and method of the invention, there is no need to store large video data in advance so as to save memory space and reduce cost; big data analysis is used for realizing intelligent service and the user experience is improved.

The present invention provides a stringed instrument capable of corresponding to a preference of a player of the stringed instrument, a purpose of performance, and so on as much as possible. A resonance box portion fabricated by an additive fabrication method and a neck portion protruding from the resonance box portion are included, and material constants at a desired area of the resonance box portion is made different from material constants at an adjacent area adjacent to the desired area step by step or continuously. Vibrational characteristics of the instrument are changed by the partial difference of the material constants, and thereby, the stringed instrument capable of corresponding to the preference of the player, the purpose of the performance, and so on is provided.

A striking apparatus mainly includes a base, a plastic rod body formed by way of blow molding, and a striking portion. The rod body is integrally and transversally extended to form a connection rod. A helical spring is disposed between the connection rod and the striking portion. The striking portion externally forced can rapidly restore to its original state by the restoring resilience of the helical spring.

Mine-like explosion simulators are disclosed herein. According to aspects illustrated herein, a landmine simulator device includes a blast fixture; a lower portion of said blast fixture having a proximal end, a distal end and a hollow area therebetween, said hollow area being configured so as to direct channeling of an audio signature internally for maximum sound; and a top portion of said blast fixture having a top plate and a blast cover, said top plate having an opening for engaging and aligning with said proximal end of said lower portion, and said blast cover being configured so as to release a visible signature externally for maximum exposure.

The invention discloses a plane series connected magnetic circuit double side sounder. It includes: box shell where the plane series connected magnetic circuit is located in; the first shaking section that forms the first sound by the magnetic field in the first working magnetic interstice when the component of the first shaking section is impressed the first external sonic signal; the second shaking section that forms the second sound by the magnetic field in the second working magnetic interstice when the component of the second shaking section is impressed the second external sonic signal; the first external sonic signal and the second external sonic signal is impressed by the connector themselves. The sounder includes receiver and loudspeaker. One side is the loudspeaker that can send out music, and the other side is receiver that can deliver speech sound. The invention can satisfy the rigor request of the microminiaturization and high efficiency and multi-function of the communication electro-acoustic component as well as other special request of dense structure, low flux leakage, high sensitivity of the electro-acoustic component.

An exciter assembly includes a magnetostriction element and a holder encasing the magnetostriction element. The holder is provided with a groove which is positioned on at least a part of an outer circumstance of the holder. The exciter according to embodiments of the present invention is capable of generating a large sound and may be installed easily. A method of its installation and an acoustic transmission member including said exciter are also provided.

The invention belongs to the field of fire-fighting safety equipment, in particular discloses a fire safety warning device, which comprises a warning board, a sound warning mechanism and a light warning mechanism are arranged on the warning board; the sound warning mechanism comprises a tuning fork, a rotating shaft is rotatably connected with the warning plate on one side of the tuning fork, a torsion spring is connected between the rotating shaft and the warning plate, a warning belt is wound and fixed on the rotating shaft, and the rotating shaft is also connected with an impactor for striking the tuning fork; the light warning mechanism includes a warning light provided on the warning board, Resistance sheets, conductors and impact bodies, The collision body is in contact with the tuning fork, and the conductive member comprises a fixed seat and an elastic piece, one end of the elastic piece is connected with the fixed seat, and the elastic piece is located on the movement track ofthe collision body, a positive plate is arranged on the elastic piece, a negative plate is arranged on the fixed seat, and the positive plate, the negative plate and the negative plate are arranged opposite to each other, and the positive plate, the negative plate and the resistance piece are all connected in series in the switch circuit of the warning lamp. The invention has good warning effect,is more vivid, and can effectively prevent pedestrians from entering the safety warning area.

The invention discloses a bone conduction loudspeaker, which comprises: a shell; an energy transition assembly, which is arranged in a housing and is used for vibrating simulated by electric signals;a vibration transmission assembly, which is used for transmitting vibration generated by the energy transition assembly to attached skin. The vibration transmission assembly comprises a vibration transmission part connected with the energy transition assembly, and a fitting part arranged on the vibration transmission part and is used for fitting the skin; the fitting part comprises a central fitting part fixedly connected with the vibration transmission part and a peripheral fitting part arranged around the periphery of the central fitting part and is connected with the outer edge of the central fitting part, the central fitting part and the peripheral fitting part fit the skin. According to the bone conduction loudspeaker, the center fitting part and the peripheral fitting part with abovestructural fit the skin thereby increasing contact area between the whole vibration transmission assembly and the skin of the user, so that more vibration signals are conducted through organism organization and bone into cochlea, and the sound heard by the user is louder. The invention further provides a bone conduction sounding device comprising the above bone conduction loudspeaker.

The invention relates to an electrostatic dust collector, belonging to the technical field of electrostatic dust collection. The dust collector comprises a housing, a cathode and an anode made of electric conductive wires are arranged in the housing, and a dust collection board which is parallel with the anode and whose length is basically equal to that of the anode is arranged close to the anode; the dust collection board semi-surrounds the anode from one side of the anode, the scope of the distance between the dust collection board and the anode is 5-150mm, and the upper end and the lower end of the dust collection board are respectively and fixedly arranged on the upper end and the lower end of the housing through an insulator; and the overall insulator is of an umbrella shape or a dumbbell shape. According to the electrostatic dust collector, the dust collection efficiency is high, various specific resistance dusts can be collected, and any modulation is not needed.

The invention provides a mobile terminal. The mobile terminal comprises a receiver arranged on one side of the center line of the mobile terminal. Adisplay screen of the mobile terminal is provided with a sound outlet, a front cavity sound outlet channel of the receiver is arranged in the mobile terminal, and the front cavity sound outlet channel is communicated with the sound outlet. The top of the mobile terminal is provided with a through hole, and the through hole is communicated with the front cavity sound outlet channel. Therefore, the sound sent out from the sound outlet channel of thefront cavity can be sent out through the sound outlet and can also be sent out through the through hole, the sound sent out by the mobile terminal in the voice answering process can be increased, andthe voice answering quality of the mobile terminal is improved.

The invention discloses a podium easy to adjust for a conference room. The podium easy to adjust for the conference room is characterized in that the podium comprises a base; four legs are respectively fixed on the four corners of the outer wall of the bottom of the base through bolts; first grooves are opened on the outer walls of one sides, far from the base, of the four legs; hydraulic cylinders are fixed on the inner walls of the first grooves through the bolts; universal wheels are fixed on the outer walls of one sides, far from the first grooves, of the hydraulic cylinders through the bolts; a lifting bracket is fixed on the outer wall of the top of the base through the bolts; a platform is fixed on the outer wall of the top of the lifting bracket through the bolts; second grooves are opened on the central axis of the outer wall of both sides of the platform; sounds are fixed on the inner walls of the two second grooves through the bolts; a third groove is opened on the central axis of the outer wall of one side of the platform; a speech paper storage box is slidingly connected to the inner wall of the third groove. The podium easy to adjust for the conference room has the advantages of being easy to move and fix, improving the quality of speech, allowing the speech content to be downloaded, and being easy for the speech content to be recorded and organized.

The invention relates to a semi-hollow suspension pickup electric guitar with a wide range of sound range, which includes a solid body and a neck, strings are arranged along the neck, and the lower end of the strings is connected to the bridge, and is characterized in that A closed cavity is provided on the lower side of the upper string of the piano body, and a U-shaped slot is opened on the panel of the piano body corresponding to the built-in closed cavity, and the slot and the cavity are opened on the panel of the piano body to form a Suspension sheet, the neck pickup is installed on the suspension sheet, and the bridge pickup is also installed on the piano body panel near the bridge place below the cavity. The present invention combines the different acoustic characteristics of the solid electric guitar and the hollow electric guitar; two pickups can be used to obtain two kinds of sounds with different piano qualities on one piano, and the musician can also switch quickly through the pickup switch, The sound of a solid or hollow electric guitar can be obtained, so the present invention has the characteristics of wide range of sound range, good flexibility, convenient use, simple structure and low production cost.

A stick type drum stick is disclosed which includes drum stick design featuring a hole drilled longitudinally in the playing striking end. The primary purpose is to accommodate a rod. The rod is inserted and glued into the hole of the tip. The rod can be cut to a desired length to suit its flex and resilient nature. Suitable material for the rod include nylon or delrin, PVC, ABS, polypropylene or polycarbonate. The result of combining these materials in this format produces a filter tip drum stick.

A self-control positioning rewinding screen window comprises a housing device, a reel screen window device, a window frame device and a positioning pull rod device, wherein the window frame device comprises side pillars and a bottom rod, and slideways are disposed in the side pillars; the positioning pull rod device comprises a pull rod, and an outer clamping heads are disposed on end parts of the pull rod; the positioning pull rod device also comprises inner clamping heads and a screw rod, the screw rod successively passes through the inner clamping head and the outer clamping heads and reaches inside of the pull rod, the screw rod is equipped with spring stopping blocks on the outer sides of the outer clamping heads, the spring stopping blocks are clamped inside the pull rod, the screw rod is sleeved by springs between the spring stopping blocks and the outer clamping heads, and the screw rod is equipped with bolts embedded in the spring stopping blocks are disposed on outer sides of the spring stopping blocks; and the inner clamping heads are located in the slideways of the window frame device, the outer clamping heads are disposed outside the slideways, and the outer clamping heads and the inner clamping heads generate clamping force to the side pillars. The screen window provided by the invention has the advantages that a screen mesh can be positioned and unfolded at any position in the window frame; rewinding inertia force of the rewinding screen window is small; the structure is simple; and installation and disassembly are convenient, etc.

The invention discloses a mobile phone loudspeaker circuit and a mobile terminal. The circuit comprises the following parts: an audio input terminal used for obtaining an audio signal and providing the signal to a D type audio frequency amplifier; the D type audio frequency amplifier which connects the audio input terminal and a loudspeaker and is used for amplifying the audio signal; and the loudspeaker used for receiving an amplified audio signal and emitting sound based on the amplified audio signal. According to the mobile phone loudspeaker circuit and the mobile terminal provided in the invention, sound outputted by the loudspeaker can be amplified through the D type audio frequency amplifier to satisfy demands of the elderly or people with poor hearing.

The invention discloses a medicine bottle auxiliary suspension device for patient infusion. The medicine bottle auxiliary suspension device for patient infusion comprises a base, a control box, a switch, an electric push rod and a water level sensor, wherein a protective shell is fixed at the top end of the base, the electric push rod is fixed at the top end of the base inside the protective shell, a rack is fixed at the top end of the electric push rod, a first rotating rod is movably connected to the base in front of the right side of the electric push rod through a bearing, a transmission mechanism is arranged at the upper end of the outer side of the first rotating rod, clamping devices are arranged on the protective shell below two sets of first clamping blocks, and detection adjusting devices are symmetrically arranged on the left side and the right side of the top end of a sixth fixed connecting rod. According to the medicine bottle auxiliary suspension device, when a nurse is busy and does not replace medicine in time, an infusion tube can be locked, the circumstances that blood in the body of a patient flows back into the infusion tube, and discomfort is brought to the patient are prevented, the practicability of the whole device is improved, when medical staff are busy, the medical staff do not need to replace the medicine too urgently, and thus, the medicine bottle auxiliary suspension device for patient infusion brings convenience for the medical staff when used.

The installation of a pond resonance qin comprises the following steps of: firstly, digging a small Cao Fu, a large Cao Fu, a Yun Zhao, a Sheng Chi, a Feng Su and a Zu Chi on the downward face of a panel and reserving a small Na Yin, a large Na Yin and a drum Na Yin; bonding a Tian Zhu and a Tian Zhu; installing the emblem on the upward face of the panel; loading he upward face of the panel with aChenglu and a Yue Shan; digging out a Long Chi and a Feng Zhao on the bottom plate; digging a foot hole on the bottom plate; digging a drum hole on the bottom plate; the outer pressure ring is adhered to the drum hole to soak the skin in warm water to soften and expand, glue is applied to one edge of the softened and expanded skin, the inner pressure ring is buckled, and the edge of the other side of the skin is coated with glue, and a skin which is bonded with the inner pressure ring is embedded in the outer pressure ring; bonding the panel to the bottom plate; drilling a string eye; painting Hui Tai and dyeing on the dried qin; installing a Yan Zu and qin sting The musical instrument qin has the advantages of large volume, long aftertaste and uniform overall volume.

The invention relates to a siren horn of an urban rail vehicle. The siren horn comprises a pipeline for feeding gas into a horn gas inlet, wherein an adjusting valve for adjusting the horn volume is mounted on the pipeline; the adjusting valve comprises a valve body; a valve body gas inlet hole connected with the pipeline and a valve body gas outlet hole connected with the horn gas inlet are arranged in the valve body; the valve body gas inlet hole is communicated with the valve body gas outlet hole through a connecting hole; and an adjusting mechanism for controlling the gas feeding amount of the valve body gas inlet hole is mounted in the connecting hole. According to the siren horn, the horn volume can be effectively adjusted and the siren horn volume standard can be satisfactorily met; the volume adjusting valve is made of stainless steel, is provided with a simple and reliable structure, is simple and easy to process, is convenient to mount and dismount, and is lower in cost; and the volume adjusting valve adopts a piston rod seal mode, so that the gas tightness of the valve is fully guaranteed. The flow adjusting scheme for controlling the circulation area of a valve opening is simple and reliable.

The invention discloses an urban road drainage device. The urban road drainage device comprises a drainage pipe, the bottom of the drainage pipe communicates with an extension pipe, the end, away from the extension pipe, of the drainage pipe is connected with a drainage cover, water inlet holes are evenly formed in one side of the drainage cover, and an annular groove is formed in the side, away from the drainage pipe, of the drainage cover; an annular block is installed on the inner wall of the extension pipe, a connecting rope is fixedly connected to the side, away from the extension pipe, of the annular block, a floating device is fixedly connected to the end, away from the annular block, of the connecting rope, a spraying device is installed in the floating device, a connecting block is fixedly connected to the side, close to the connecting rope, of the annular block, and a shaking device is installed on the side, away from the annular block, of the connecting block. The invention relates to the technical field of drainage. According to the urban road drainage device, the device can make a sound in time so as to inform a worker to dredge the interior of the pipe, and the problem that too much water is accumulated on the road surface due to the fact that the drainage pipe is blocked and cannot be cleaned in time is solved.

The invention relates to a crossbow with a vertically arranged bow slice. The bow slice is mounted in the form of being vertical and parallel to the crossbow. The crossbow can be conveniently used under a narrow condition and is convenient to carry; the advantages of low sound and high power at a shooting moment of the crossbow are kept; a law enforcement officer can conveniently use the crossbow under the narrow condition; and the use scope of the crossbow is greatly expanded.