39 results about "Harsh voice" patented technology

The modular personal defense device is a hard, rigid, elongate baton that is capable of imparting impact force to an assailant or threat. The exterior may include a series of strengthening ribs, which may also impart further damage to an assailant. The interior is an essentially hollow cylinder configured to accept one of a series of modules. The modules are essentially externally physically identical, but include different electronic circuitry and mechanisms to provide different functions. A silicone controlled rectifier (SCR) electronic stun circuit is provided by one module, for imparting a stunning electrical shock and dissuading an assailant(s) due to the electrical arc produced. Another module produces an extremely bright light either continuously or in rapid pulses, to blind and disorient an assailant. Yet another module produces a piercing sound, while still other modules may be fitted axially or radially to the device to transmit an irritant spray.

The present invention describes a contact type electronic stethoscope with a noise interference resisting function for auscultation, and the stethoscope includes a chest piece for contacting a patient's body, a contact type microphone installed in the chest piece for receiving sounds of patient's organs, and an elastic member disposed on an external side of the contact type microphone, so that harsh sounds and irrelevant noises produced by rubbing the surface of clothes with the patient's body can be avoided during an auscultation, if the piece chest is pressed and contacted with the patient's body without reaching a predetermined pressure and maintains a predetermined distance from the patient's body.

A thermal alarm clock including an alarm clock controller that activates a heating device to wake a slumbering person. The thermal alarm clock incorporates traditional alarm, clock, and radio functions as well. The heating device is located adjacent a sleeping person and can be activated with, or instead of, an audible alarm. A slumbering person will be gently awakened by the heat of the device instead of the jarring sound from an audible alarm clock. The thermal alarm clock is also effective at waking a single person from a plurality of sleepers and is effective for users with special needs, such as the hearing impaired or blind. In one embodiment, the thermal alarm clock incorporates sensors and circuitry to monitor a user's presence.

A flameholder for an augmentor rotates about an axis radially positioned with a turbine engine. The flameholder is in a streamlined position when the augmentor is not operating to minimize pressure loss and radar cross-section and a turbulent position when the augmentor is operating. A linkage connects the flameholder to an actuator to control the rotational position of the flameholder on the axis. Bypass airflow from the fan cools the flameholders and linkages. The length of the linkages can be varied from one flameholder to another to create asymmetric heat release within the augmentor to avoid screech.

The invention discloses an audio output control method. The method comprises the following steps of: when an electronic device receives an application switching command, acquiring a to-be-switched multimedia application corresponding to the switching command; acquiring switching duration between the to-be-switched multimedia application and the current multimedia application; regulating an audio output state of an audio power amplifier of the electronic device to be a mute state, wherein the duration of the mute state is the switching duration; and at the end of the mute state, recovering the audio output state of the audio power amplifier. The invention also discloses an audio output control device. With the method and the device provided by the invention, the audio output of a television audio power amplifier is regulated to be mute output during a multimedia application switching process; phenomena that audio information of the current multimedia application is output, even users can hear harsh sound, and so on, in the multimedia application switching process, are avoided; and consequently, audio output abnormity, such as noise, of the current multimedia application generated when switching the multimedia application is avoided.

Disclosed is an electrical acoustic transducer applied to speakers, earphones, headphones, etc. The electrical acoustic transducer includes a frame having a cone, a voice coil provided on a lower end of the cone, a yoke and a permanent magnet that are provided on a lower end of the frame, a cap provided in the middle of the cone, a vent hole formed in the middle of the cap, and a resonance unit formed as a slot in the center of the yoke. The slot of the resonance unit is opposite to the vent hole. With the electrical acoustic transducer, drastic vibration of the cone is relieved by the resonance unit as well as the vent hole formed in the domed or flat cap, and thus a harsh sound is relieved. After being assembled, each speaker exerts its inherent performance to the maximum extent, so that it is possible to hear a clear and sweet sound.

The invention provides a medical accompanying device capable of reducing noise based on a medical ward, belongs to the technical field of medical accompanying devices, and aims to solve the problems that when an existing accompanying chair is unfolded, harsh sound is generated at the moment, so that patients and other family members in the ward are influenced, thereby reducing use reliability of the accompanying chair. The accompanying chair comprises a chair support, the upper portion of the chair support is rotationally connected with a chair back piece, and a cushion piece is installed on the upper portion of the inner side of the chair support. When the chair is unfolded for use during sleeping at night, the metal sliding bracket is manually pulled out from the bottom of the chair bracket, then the metal sliding bracket and the telescopic plate are unfolded in a sliding manner, and then the clamping mechanism slides upwards by manually pressing the lever, so that the middle supporting plate does not fall off in the whole unfolding process; therefore, harsh sound cannot be generated, patients and other family members in a ward cannot be affected, and the reliability of the accompanying chair in use is improved.

The invention discloses a ground mat which comprises a rubber plate on an upper layer and a magnesium oxide plate on a lower layer, wherein the rubber plate and the magnesium oxide plate are adhered together through waterproof glue and both take the shape of a rounded rectangle; and a plurality of criss-cross water guiding grooves are formed in the rubber plate at equal intervals. The ground mat disclosed by the invention is provided with the two layers, namely the rubber plate and the magnesium oxide plate; the magnesium oxide plate on the bottom layer has a large friction coefficient with ceramic tiles, so that the anti-slip effect is good, and harsh noise cannot be caused when a user steps on the ground mat; the design is simple; and the use is convenient.

An acoustical grille (1) secured to a top of a receiver (50) of microphone (5) with an annular ring (10) free from spit moisture installed to a rim of the acoustical grille (1) with grille shells (11) shielded over the receiver (50); at least, a stand (2) connected between the annular ring (10) and positioning ring (3), whereby a distance kept between the grille shells (11) and the receiver (50). Grille shell (11) not only prevents spit in but low pitch, mid pitch, and high pitch sounds can be superimposed received into the receiver (50). Confused or harsh sound emissions of users or breath sounds can be absorbed between the grille shells (10), thereby sounds picked up by the microphone demands for a higher pitch, where the original sounds can be tuned within higher vocal compass. It may be played at soft volume; the sounds are mellow and expressive.

The invention provides a cargo transporting device specially used for workers. The cargo transporting device comprises a trolley supporting plate, a seventh round block and rectangular bulged blocks,a pushing rod is welded to each of the left side and the right side of the adjacent rear side edges of the top end face of the trolley supporting plate, and the top end faces of the two pushing rods are each inwards provided with a storage groove. When the cargo transporting device is not used, four rubber friction resistance blocks can make contact with the ground by adjusting an up-down adjusting device, due to friction of the four rubber friction resistance blocks and the ground, the cargo transporting device cannot be effectively pushed to move, and thus using by other personnel except theworkers is avoided; and further, an iron sheet welded to the bottom end face of a corresponding rectangular block is inserted in the center of the inner wall of each of the four rubber friction resistance blocks, and if other personnel except the workers forcibly use the cargo transporting device, the iron sheets rub with the ground to make a harsh sound to remind the surrounding workers to rushto prohibit other personnel except the workers from using the cargo transporting device.

Provided is a snorkel having a whistler. In one embodiment, the whistler is mounted on a breathing tube. A swimmer wearing the snorkel may seize the whistler by the mouth prior to making a clear, shrill sound by activating the whistler.

The invention relates to a hatch cover device, in particular to a hatch door mechanism of a ship, which is easy to open and close. The hatch door mechanism comprises a hatch door, a hatch door frame and a hydraulic mechanism, wherein the hatch door is a plate-shaped structural member; the hatch door frame is used for supporting the hatch door, and is provided with an entrance and exit through which the hatch door is closed; the hydraulic mechanism is arranged between the hatch door and the hatch door frame; the hydraulic mechanism comprises a hydraulic cylinder and a piston rod which moves relative to the hydraulic cylinder, wherein an elastic protuberance is arranged on the piston rod, and the popping-up degree of the elastic protuberance is protruded out of the outer wall of the hydraulic cylinder; the middle part of the hatch door is made from flexible materials, and the area of the flexible materials is 60-70% of the total area of the hatch door. The invention provides the hatch door mechanism of the ship. The opening and the closing of the hatch door mechanism are completely mechanized, so that human resources are saved, and besides, the hatch door mechanism is safe; the flexible materials are used, so that when accidents occur and the hatch door falls down, screaks can be avoided, and ship crew or tourists cannot be injured.

The invention discloses a medical sewage treatment pond sluice based on piezoelectric effect. The medical sewage treatment pond sluice structurally comprises a right sluice seat, a connection seat, asluice rod, a left sluice seat, a sluice gate and a floating ammonia nitrogen detection device which is arranged at the lower end of the front of the right sluice seat in a clearance fit manner, the connection seat is arranged at the upper end of the right sluice seat in an interference fit manner, the left sluice seat is arranged at the left end of the connection seat in an interference fit manner, the sluice gate is slidably connected at the right end of the left sluice seat, and the sluice rod is connected at the upper end of the sluice gate in a threaded manner. By arranging the floating ammonia nitrogen detection device, a sliding wheel and a foam board ensure the device to change along with water surface height to avoid being submersed by water; a sounding structure and a colliding structure cooperate with each other to make strident sound to remind people of ammonia nitrogen, and discharged water is ensured to be capable of meeting discharging standards of ammonia nitrogen; water is used to provide power, so that energy and labor are saved, and convenience in use is realized.

The invention discloses a mute flush toilet fast water inlet assembly. A water supply pipe is connected with a water inlet pipe in a water tank through a water pipe connector; the water inlet pipe is vertically arranged; a water inlet is formed in the uppermost end of the water inlet pipe; the water inlet is higher than the highest water line in the water tank; an upper buckled float is arranged below a lower buckled float; the size of the upper buckled float is slightly greater than that of the lower buckled float, so that the lower buckled float can be arranged in the upper buckled float in a sleeving manner; an outwards inclined surface is formed in the wall of the outer side of the upper buckled float. According to the mute flush toilet fast water inlet assembly disclosed by the invention, fast water intake can be realized, and after the highest water level is reached, the upper buckled float is filled with water, then the lower buckled float can float, and the water inlet is closed. Because a small amount of water needs to be filled in the upper buckled float and the water inlet is rapidly closed, the cacophony and whistlers can be avoided.

The invention discloses a blackboard eraser which comprises a shell. The shell is made of plastic materials and is of a cuboid structure. The periphery of the front face of the shell is provided with soft furs, the center of the front face of the shell is provided with evenly arranged hard furs, the soft furs are felt, and the hard furs are palm fibres, the soft furs are higher than the hard furs, a magnet is arranged on the back face of the shell, fingerstalls are arranged on the side faces of the shell and made of plastic materials, and openings of the fingerstalls face the back face of the shell. According to the blackboard eraser, chalk characters on a blackboard are wiped off through the hard furs, chalk dust caused by the hard furs is stopped by the soft furs on the periphery, and therefore the phenomenon that the chalk dust flies everywhere when the blackboard is wiped is avoided. The chalk dust falling in hard fur holes can be patted out by only patting the blackboard eraser of the structure slightly, the blackboard eraser is very convenient to clean, and the wiping effect cannot be affected. In addition, the fingerstalls are arranged on the side faces of the shell, and therefore the situation that in the wiping process, fingernails of a wiping person scratch the blackboard carelessly to make a harsh sound is effectively avoided.

The invention provides a storage device for transporting artware. The storage device comprises an outer shell, an inner shell and a protective cover, and the top of the outer shell is sleeved with theprotective cover seamlessly; the outer shell is internally provided with the inner shell, and the both sides of the protective cover are provided with two kingbolts in an embedded manner; the kingbolts are both embedded in the outer shell through threads, and the top of the inner wall of the protective cover is bonded with a backing rind in the embedded manner; and the top of the outer shell abuts on the bottom of the backing ring. According to the storage device, when the outer shell is vibrated violently, a piston plate is moved in a piston barrel quickly, so that air is sucked into or extruded out of the piston barrel quickly; thus, the air flows in a voicing tube quickly, and the air pressure in the voicing tube is changed quickly; when the air flows through the voicing tube, a flutediaphragm on the top of the voicing tube is vibrated due to the airflow in the voicing tube; when the frequency reaches a certain value, the flute diaphragm makes a piercing sound for alerting peoplethat the device is vibrated violently, and the situation that the artware is damaged in the inner shell, but people can not find the damaged artware in time is avoided.

The present invention relates to a method and a mobile device (10) for displaying information items. The mobile device may be a personal digital assistant, a palmtop computer, a cellular phone or a mobile phone. The method includes the steps of: retrieving at least one identification of the user's clothing and accessories; determining a pattern reflecting at least one attribute of the identified clothing and accessories, and optionally sending a service provider with the mobile device identification mode; determine and display (13, 15) information items according to the mode. The method further includes the steps of: receiving from a caller a first message sent to the mobile device; upon receipt of the first message, determining a second message based on the pattern; and serving as a response to the first message. The response sends the second message to the caller. The step of determining the second message includes the steps of: sending a pattern with the identification of the mobile device to a service provider; and determining the second message according to the pattern received and the identification of the mobile device at the service provider . The method further includes the step of modifying at least one attribute of the user's clothing and accessories. This makes it possible to solve annoying or dangerous situations for mobile devices that make a screeching sound or produce an intense, coloured flashing display, since the mode only displays what is convenient for the user. Additionally, the mobile device or service provider can automatically respond to a call without user interaction.

The invention discloses a door with a sucker as a door stopper. The door structurally comprises a door leaf, the sucker, a wall and a sucker pad; the sucker is arranged on the inner side of the lower end of the door leaf; the sucker pad is arranged in the position, corresponding to the sucker on the door leaf, of the wall where the door leaf is arranged. The door has the beneficial effect that no harsh sound is made due to mutual suction of the sucker and the sucker pad.

The invention discloses a draw tube. The draw tube comprises an inner tube body used for water passing and a metallic outer tube body arranged outside the inner tube body in a sleeving mode. A filler is arranged between the inner tube body and the metallic outer tube body. According to the draw tube, harsh sounds are avoided even though the outside metallic outer tube body and adjacent part scratch and generate vibration, so that the using comfort is improved.

The invention provides a hand controller hook of an operating bed. The hand controller hook of the operating bed comprises a hook protection cap, a metal hook body and a screw. The hook protection cap protruding towards one side is arranged on the top of a back shell of a hand controller, a hook insertion hole is formed in the part, below the root of the hook protection cap, on the back shell of the hand controller, the metal hook body is integrally installed in an inverted-L shape, and one end of the metal hook body is connected with the hook insertion hole. A screw hole is formed in the bottom of the hook protection cap, the screw is connected to the screw hole, the top of the metal hook body is fixed to the bottom of the hook protection cap through the screw, the top of the metal hook body is attached to the bottom of the hook protection cap, and the hook end of the metal hook body extends downwards. The hand controller hook of the operating bed is simple in structure, firm, attractive and not likely to give out sharp sounds or cause scratches.

The invention provides a sound-increasing klaxon conversion device for a car. The conversion device is characterized by comprising a 16-24V DC power supply, a starting and slow-charging circuit, a power slow-promoting circuit, and a klaxon power driving circuit. In the classical working mode of the common car klaxon, all voltages are exerted on the klaxon in the use instant, the klaxon immediatelymakes the especially harsh sound, the people passing by can be easily scared in the absence of attention, the damage on the pedestrian suffered from heart disease is great. Through the klaxon conversion device provided by the invention, when the power of the car klaxon is switched on, the klaxon gradually makes the whistle from low to loud, the whistle of the klaxon is gradually reduced when thepower supply of the klaxon is turned off, and the working mode adopted by the klaxon is more humanized.