33results about How to "Avoid noise phenomenon" patented technology

A method and apparatus capable of reducing or preventing dithering noises in 3D dither for displaying stereoscopic or 3D images are provided. The method entails generating image data in which two consecutive frames have the same dithered image data.

The invention relates to a liquid crystal display device. The device comprises a source driver for providing a plurality of data signals, a grid driver for modulating a voltage according to a high level grid signal to provide a plurality of grid signals, a pixel array unit for displaying images according to the plurality of data signals and the plurality of grid signals, and a grid pulse modulating unit. The grid pulse modulating unit comprises a waveform chamfering circuit, a diode and a transistor. The waveform chamfering circuit is used for providing a high level grid signal modulating voltage according to a chamfering control signal and a reference voltage of the high level grid signal so as to execute a waveform chamfering operation on the plurality of grid signals. The waveform chamfering operation has a voltage clamping function according to the unidirectional transmission property of the diode, and the transistor enables / removes the voltage clamping function according to the chamfering control signal.

The invention discloses a shock absorption and noise reduction elevator which comprises a channel. A partition plate is transversely and fixedly connected to the interior of the channel. A motor is fixedly connected to the top of the inner wall of the channel, and the motor is located on the top of the partition plate. The output end of the motor is fixedly connected with a belt wheel, and a ropeis wound around the surface of the belt wheel. The end, away from the belt wheel, of the rope penetrates to the bottom of the partition plate and is fixedly connected with a lift car body. The shock absorption and noise reduction elevator solves the problems that in the falling process of an existing elevator lift car, vibration is likely to be generated when the elevator lift car makes contact with a shock absorber, and consequently noise is generated. The shock absorption and noise reduction elevator has the beneficial effects of shock absorption and noise reduction, use of a user is facilitated, and practicability of the elevator is improved.

The invention discloses a method for shock absorption and noise reduction of an elevator. The elevator comprises a channel. The interior of the channel is transversely and fixedly connected with a partition plate, and a motor is fixedly connected to the top of the inner wall of the channel and is located on the top of the partition plate. The output end of the motor is fixedly connected with a belt wheel, and a rope is wound around the surface of the belt wheel. The end, away from the belt wheel, of the rope penetrates to the bottom of the partition plate and is fixedly connected with a lift car body. The method solves the problem that in the falling process of an existing elevator lift car, vibration is likely to be generated when the elevator lift car makes contact with a shock absorber,and consequently noise is generated. The elevator has the beneficial effects of shock absorption and noise reduction, use of a user is facilitated, and practicability of the elevator is improved.

The invention discloses a liquid crystal display device comprising a source driver, a grid driver, a pixel array unit and a grid pulse modulation unit, wherein the source driver is used for providing a plurality of data signals, the grid driver is used for providing a plurality of grid signals according to the modulation voltage of a high-potential grid signal, and the pixel array unit is used for displaying images according to the data signals and the grid signals. In addition, the grid driver can execute shutdown ghost attenuation operation on the pixel array unit according to a reset signal. The grid pulse modulation unit is used for providing the modulation voltage of the high-potential grid signal and executing waveform chamfering operation on the grid signals according to the modulation voltage of the high-potential grid signal. The waveform chamfering operation has a voltage clamping function controlled by the reset signal, and the voltage clamping function is disabled within a preset time interval after the liquid crystal display device is started up.

A method and apparatus capable of reducing or preventing dithering noises in 3D dither for displaying stereoscopic or 3D images are provided. The method entails generating image data in which two consecutive frames have the same dithered image data.

The invention discloses a valve device of closed-type compressor, which consists of drainage valve 150a and coat pad 220, wherein the drainage valve 150a covers the outlet 110b of valve board 110, which switches the outlet 110b selectively; the coat pad 220 is set between the drainage side of valve board 110 and covered valve board 110 and roof plate 170 to separate the sucked coolant and drained coolant, which forms the stop 300 on one side to control the starting degree of drainage valve 150a. The invention reduces the assemblage procedure of closed-type compressor valve device, which improves the production efficiency and reduces the making cost of compressor.

A talkback door bell handset apparatus is provided. Name brand and the like mounting parts are formed on the front upper part of the outer shell of the talkback door bell handset apparatus, and when the outer shell is long, even mounting screw part is less, the outer shell can also be tightly mounted on the mounting part to avoid vibrating with the hand set to generate noise. The handset apparatus has a talkback door bell handset received in an outer box made of synthetic resin, and a long rectangle outer shell made of synthetic resin for forming circumferential walls extending from the periphery of a front panel to the rear part, wherein the rear surfaces of the circumferential walls are in the same plane. In a talkback door bell handset receiving part at the lower part of the back side of the outer shell, the handset can be supported by an upper elastic supporting part in a free mounting or dismounting mode when the handset is supported by a lower supporting part. The upside of the receiving part is provided with upper side fixing convex parts extending from the front panel to the backside and lower side fixing convex parts shorter than the upper side fixing convex parts. When the upper side fixing convex parts are fastened by screws, the lower side fixing convex parts are fastened by screws, and the circumferential walls of the receiving part are mounted on the mounting parts by the elastic force of the outer shell in a mode of pressing the mounting part.

The invention discloses a vessel fast cable separating device which comprises a vessel body; a fixed box is fixedly connected with the left side of the vessel body; a ground pile is arranged on the left side of the vessel body; sliding plates are in sliding fit with the left side and right side of the inner wall of the fixed box; a U shaped connecting rod is fixedly connected with the right sidesof the bottoms of the sliding plates; a cable is connected with the surface of the U shaped connecting rod in a sleeving manner; the end, far away from the U shaped connecting rod, of the cable penetrates through the bottom of the fixed box and is connected with the surface of the ground pile in a sleeving manner; and lifting mechanisms are fixedly connected with the left and right sides of the bottom of the inner wall of the fixed box. According to the vessel fast cable separating device, a user connects one end of the cable to the surface of the ground pile in a sleeving manner, then opens the box body of the fixed box and starts an air cylinder to descend, so that the problem that the cables of most existing vessels are separated manually to consume time and labor is solved, the labor force for manual cable separation is saved, the manual cable separation time is also shortened, and the cable separation efficiency of the vessel is also improved.

The present invention relates to a freeze-circulation process of air conditioner and control method for reducing its noise produced by short pipe placed in indoor side when the power supply is switched off. Said freeze-circulation and control method can obtain the following effects: between outdoor machine and indoor machine a change-over device is set, when the compressor is stopped, the medium flow path of the above-mentioned outdoor machine and indoor machine is changed by change-over device, so that it can prevent the medium from further flowing into indoor side, the medium is not passed through the interior of short pipe placed in indoor side so as to can prevent the short pipe interior from producing noise. Besides, when the compressor is stopped, the medium flow path is changed, said indoor machine and outdoor machine have respective independent medium circulation flow path.

The invention discloses a radiator dust clearing device for a notebook computer. The radiator dust clearing device comprises a working box, a control panel, a switch button, and a battery, the controlpanel is arranged on the front part of the working box, the switch button is arranged on the control panel, the battery is installed in the working box, an air pump is arranged above the battery, a transmission box is installed on the upper part of the working box, a motor is installed on the side face of the transmission box, a first gear is installed on the motor, an air spraying plate is arranged on the side, away from the motor, of the transmission box, a supporting plate is arranged on the side, away from the transmission box, of the air spraying plate, a buckle seat is arranged on the supporting plate, an elastic rope is arranged on the upper part of the transmission box, and a gripping head is arranged on the elastic rope. According to the radiator dust clearing device for the notebook computer, the structure is simple, design is reasonable, operation is convenient, the dust clearing problem of the radiator is well solved, clearing is fast, and the effect is also very good.

There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) device, and a flat panel display device including the thin transformer. The transformer includes a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins, and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the outer bobbin includes a support part formed at the flange part formed at an upper end of the body part of the outer bobbin so as to cover a portion of the through-hole, and the inner bobbin is coupled to the outer bobbin while having one end supported by the support part.

The invention discloses a high-quality combined inductor. The high-quality combined inductor comprises a coil, a magnetic core central post and a shell, wherein the coil and the magnetic core central post are arranged in the shell, the magnetic core central post penetrates through the coil, concave-convex structures are arranged on end surfaces of two sides of the magnetic core central post, a convex part in each concave-convex structure is in contact with or is pasted with an inner wall of the shell by an adhesive, and a concave part in each concave-convex structure is pasted with the inner wall of the shell by the adhesive. With a mode of arranging the concave-convex structures on the end surfaces of the magnetic core central post, the adhesive can smoothly be permeated into a contact surface of the magnetic core central post and the shell, so that the magnetic core central post and the shell are enabled to be tightly fixed, and the binding strength of the magnetic core central post and the shell is improved; and meanwhile, by the high-quality combined inductor, the collision frequency of the magnetic core central post and the shell is also substantially reduced during the high-frequency usage process of a subsequent inductor, and the problem of noise is fundamentally solved.

The invention discloses a large-current combined high-temperature inductor and a processing method thereof. The whole inductor is formed by bonding and combining an inductance magnet and an inductanceconductor. The inductance magnet comprises an external inductance magnet and at least one internal inductance magnet; the external inductance magnet is integrally formed, at least one conductor containing groove used for containing the inductance conductors is formed in the external inductance magnet in a penetrating mode, one inductance conductor is arranged in each conductor containing groove,and the remaining space in each inductance conductor and the remaining space in the corresponding conductor containing groove are filled with one internal inductance magnet. Effective integration of the inductor is achieved, the overall shape of the inductor is regular, pins on the inductor are all arranged on the outer surface of the same side of an inductor finished product, the shielding performance of the inductor is guaranteed, the overall size and occupied space of the inductor are reduced, and convenience is provided for subsequent installation and use of the inductor.

The invention discloses a noise-proof motorbike exhaust pipe with a large discharge capacity function. The pipe comprises an air inlet pipe body. One end of the air inlet pipe body is fixedly connected with an air outlet pipe body, and an inner cavity of the air inlet pipe body communicates with an inner cavity of the air outlet pipe body. An exhausting assisting device is arranged in the inner cavity of the air inlet pipe body. The inner wall of the air outlet pipe body is fixedly connected with the surface of a gas gathering pipe body. One end of the gas gathering pipe body is fixedly connected with the surface of a gas dispersing pipe body. Gas dispersing holes are formed in the surface of the gas dispersing pipe body. According to the noise-proof motorbike exhaust pipe with the large discharge capacity function, waste gas in the air inlet pipe body can blow fan blades on the exhausting assisting device when being exhausted, the fan blades are rotated, suction force is produced, thedischarge capacity of the exhaust pipe is increased, and accordingly, the phenomenon that waste gas in the exhaust pipe of a motorbike fails to be exhausted in time is avoided; by arranging the gas gathering pipe body and the gas dispersing pipe body, all the waste gas enters the gas dispersing pipe body, and then the waste gas is exhausted out of the gas dispersing pipe body; and since the gas dispersing holes are formed in the surface of the gas dispersing pipe body, when the waste gas in the exhaust pipe is to burst out, the waste gas is exhausted into the air outlet pipe body through thegas dispersing holes, pressure produced by the waste gas in the gas dispersing pipe body is reduced, and the phenomenon that noise is produced when the waste gas bursts out of the gas dispersing pipebody is avoided.

The invention relates to a liquid crystal display device. The device comprises a source driver for providing a plurality of data signals, a grid driver for modulating a voltage according to a high level grid signal to provide a plurality of grid signals, a pixel array unit for displaying images according to the plurality of data signals and the plurality of grid signals, and a grid pulse modulating unit. The grid pulse modulating unit comprises a waveform chamfering circuit, a diode and a transistor. The waveform chamfering circuit is used for providing a high level grid signal modulating voltage according to a chamfering control signal and a reference voltage of the high level grid signal so as to execute a waveform chamfering operation on the plurality of grid signals. The waveform chamfering operation has a voltage clamping function according to the unidirectional transmission property of the diode, and the transistor enables / removes the voltage clamping function according to the chamfering control signal.

The invention belongs to the technical field of thin-film capacitors, and particularly relates to a method for reducing noise of a thin-film capacitor. A winding machine used in the method comprises ashell; a motor is arranged on the front end face of the shell, an output shaft of the motor is sleeved with a first gear, and the first gear is meshed with a second gear hinged to one side of the motor. The winding roller is hinged to the front side wall and the rear side wall of the shell, and a first unwinding roller is arranged above the winding roller. A second unwinding roller is arranged onone side of the first unwinding roller; a cam is arranged between the second unwinding roller and the first unwinding roller; a rotating shaft of the cam is connected with a rotating shaft of the second unwinding roller through a belt, an air bag is arranged on one side of the cam, and an oil spraying opening is formed in the lower end of the air bag. Through the cooperation of the motor, the winding roller, the first unwinding roller, the second unwinding roller, the cam, the belt and the air bag, air generated when the polyethylene film is attached to the metal foil is reduced.

The present invention relates to a control method for reducing noise produced by short tube of indoor side when the power supply is switched off. Said method includes the following stage: compressor operation stopping stage, switching off power supply of air conditioner and stopping compressor operation; flow path intercepting stage, intercepting medium flow path and preventing medium from flowing toward indoor machine and outdoor machine when the above-mentioned compressor is stopped; and above-mentioned noise preventing stage.

The invention discloses a conveyer device of a packaging machine. The conveyer device comprises a conveyer body of which the inner side is rotatably connected to a conveyer belt, and the end, close tothe conveyer belt, of the outer side of the conveyer body is rotatably connected to a rotating shaft; the position, close to the top of the conveyer belt, of the inner side of the conveyer body is fixedly provided with a thread guide mechanism; and the bottom of the conveyer body is fixedly provided with support legs. Through arrangement of the thread guide mechanism, empty bottles can be guidedin the conveying process, and meanwhile the empty bottles can be separated front and back; the phenomenon that the empty bottles make noise due to mutual collision is avoided, and the working comfortdegree of the conveyer body is improved effectively; through arrangement of a counting mechanism, the empty bottles can be counted in the conveying process, and the effect of facilitating staff to count the empty bottles conveyed through the conveyer body is achieved; and the labor time of the staff is saved effectively.

The invention discloses a shock absorption and noise reduction elevator which comprises a channel. A partition plate is transversely and fixedly connected to the interior of the channel. A motor is fixedly connected to the top of the inner wall of the channel, and the motor is located on the top of the partition plate. The output end of the motor is fixedly connected with a belt wheel, and a ropeis wound around the surface of the belt wheel. The end, away from the belt wheel, of the rope penetrates to the bottom of the partition plate and is fixedly connected with a lift car body. The shock absorption and noise reduction elevator solves the problems that in the falling process of an existing elevator lift car, vibration is likely to be generated when the elevator lift car makes contact with a shock absorber, and consequently noise is generated. The shock absorption and noise reduction elevator has the beneficial effects of shock absorption and noise reduction, use of a user is facilitated, and practicability of the elevator is improved.

The invention discloses a radiator dust clearing device for a notebook computer. The radiator dust clearing device comprises a working box, a control panel, a switch button, and a battery, the controlpanel is arranged on the front part of the working box, the switch button is arranged on the control panel, the battery is installed in the working box, an air pump is arranged above the battery, a transmission box is installed on the upper part of the working box, a motor is installed on the side face of the transmission box, a first gear is installed on the motor, an air spraying plate is arranged on the side, away from the motor, of the transmission box, a supporting plate is arranged on the side, away from the transmission box, of the air spraying plate, a buckle seat is arranged on the supporting plate, an elastic rope is arranged on the upper part of the transmission box, and a gripping head is arranged on the elastic rope. According to the radiator dust clearing device for the notebook computer, the structure is simple, design is reasonable, operation is convenient, the dust clearing problem of the radiator is well solved, clearing is fast, and the effect is also very good.

The present disclosure provides a gamut mapping method including acquiring a first coordinate value of a target pixel point P in a Lab color space according lo digital values of the target pixel point P in a large gamut area; determining a hue plane in which the target pixel point P is located, and determining (H, C, L) of the target pixel point P; mapping the target pixel point P to the small gamut area to acquire a second coordinate value of a mapped pixel point P1 in the Lab color space; and acquiring mapped digital values of the mopped pixel point P1 in the small gamut area.

The invention discloses a clothing fabric cleaning production line that comprises a cleaning machine, wherein a feeding box is fixedly connected to the front end of the cleaning machine, connecting plates are longitudinally and fixedly connected to the left side and the right side of an inner cavity of the feeding box correspondingly, connecting rods are slidably connected to the tops and the bottoms of the inner sides of the connecting plates correspondingly, the surfaces of the connecting rods are sleeved with pressing wheels, and transmission mechanisms are fixedly connected to the left side and the right side of the inner wall of the feeding box. According to the production line, the fabric is stuffed into the feeding box, then an air cylinder is started, the air cylinder works to pusha folding rod rightwards, and the folding rod is matched with a shaft pin to be bent and pulls the connecting rod to get close to the inner side. According to the production line, the problem that due to the fact that existing cleaning equipment does not have a flattening function, the fabric is wrinkled while entering a cleaning pool, and thus comprehensive cleaning cannot be achieved is solved,the fabric cleaning cost is reduced, the working efficiency of the cleaning equipment is improved, and the practicability of the cleaning equipment is also improved.

A talkback door bell handset apparatus is provided. Name brand and the like mounting parts are formed on the front upper part of the outer shell of the talkback door bell handset apparatus, and when the outer shell is long, even mounting screw part is less, the outer shell can also be tightly mounted on the mounting part to avoid vibrating with the hand set to generate noise. The handset apparatus has a talkback door bell handset received in an outer box made of synthetic resin, and a long rectangle outer shell made of synthetic resin for forming circumferential walls extending from the periphery of a front panel to the rear part, wherein the rear surfaces of the circumferential walls are in the same plane. In a talkback door bell handset receiving part at the lower part of the back side of the outer shell, the handset can be supported by an upper elastic supporting part in a free mounting or dismounting mode when the handset is supported by a lower supporting part. The upside of the receiving part is provided with upper side fixing convex parts extending from the front panel to the backside and lower side fixing convex parts shorter than the upper side fixing convex parts. When the upper side fixing convex parts are fastened by screws, the lower side fixing convex parts are fastened by screws, and the circumferential walls of the receiving part are mounted on the mounting parts by the elastic force of the outer shell in a mode of pressing the mounting part.

The invention discloses a high-quality combined inductor. The high-quality combined inductor comprises a coil, a magnetic core central post and a shell, wherein the coil and the magnetic core central post are arranged in the shell, the magnetic core central post penetrates through the coil, concave-convex structures are arranged on end surfaces of two sides of the magnetic core central post, a convex part in each concave-convex structure is in contact with or is pasted with an inner wall of the shell by an adhesive, and a concave part in each concave-convex structure is pasted with the inner wall of the shell by the adhesive. With a mode of arranging the concave-convex structures on the end surfaces of the magnetic core central post, the adhesive can smoothly be permeated into a contact surface of the magnetic core central post and the shell, so that the magnetic core central post and the shell are enabled to be tightly fixed, and the binding strength of the magnetic core central post and the shell is improved; and meanwhile, by the high-quality combined inductor, the collision frequency of the magnetic core central post and the shell is also substantially reduced during the high-frequency usage process of a subsequent inductor, and the problem of noise is fundamentally solved.

The combined LED lamp panel convenient to use comprises a shell, a label box is welded and fixed to the outer wall of the shell, a lamp panel body is arranged in an inner cavity of the shell, and grooves are formed in the positions, located in the shell, of the left side and the right side of the lamp panel body; hollow pipes are fixedly connected to the left side and the right side of the inner wall of the shell and located in the center, rotating rods are movably connected to the left side and the right side of the bottom of the inner wall of the shell through bearing seats, and the tops of the rotating rods penetrate to the top of the shell; and cams are fixedly connected to the top and the bottom of the surface of the rotating rod and located at the top and the bottom of the hollow pipe in a sleeving mode, and a connecting mechanism is slidably connected to an inner cavity of the hollow pipe. According to the LED lamp panel, the lamp panel body is placed in the shell by a user, so that the problems that existing LED lamp panels are mostly fixed through bolts, special tools are needed, time and labor are consumed, and the installation efficiency is low are solved, the installation labor force of the user is reduced, and the practicability of the LED lamp panel is also improved.