394results about How to "Effective vibration" patented technology

The present invention relates to a multi-functional subminiature speaker, more particularly, to a bone conduction speaker, which can generate vibration for bone conduction, bodily sensation of vibration, speaker attachment, and the vibration mode over the housing unit, that is, over a front protector of the speaker, a housing, and an outer side of a rear cover, without any projections, and which has an acoustic portion unit further detachably mounted. According to the multi-functional subminiature speaker of the present invention, it is possible to perform the bone conduction without the projections because the vibration can be generated over the whole surface of the multi-functional subminiature speaker, that is, over the whole outer side of the housing unit, by constructing such that loss of the magnetic force transmitted to the vibration coil is minimized by disposing the magnets on both inner and outer sides with respect to the vibration coil, the vibration force has been improved by making the vibration weight unit to be constructed of the yoke, the central and external magnets, and the inner and outer top plates integrally by means of the rivet shaft to thereby increase the weight of the vibration weight, and the corrugated cross-type vibration spring is provided that is adapted to generate the vibration over the whole housing unit in such a manner as to vibrate the vibration weight of the increased weight effectively and to generate vibration in the upward and downward directions as well as in the right and left directions. Also, it is possible to implement the bone conduction of wide-band region by providing the multi-functional subminiature speaker as described above, and it is possible to provide the multi-functional subminiature speaker capable of performing the bone conduction of subminiature security mode, bodily sensation of vibration, speaker attachment, and vibration mode with low manufacturing cost.

The invention relates to a system including a machine capable of retrieving data from a recording medium and of executing a program retrieved from the recording medium in response to an instruction given by an operator to the machine. Particularly, the invention relates to a system which comprises of such machine and a control unit connected to the machine for controlling the machine. The control unit includes: a housing; a pair of diverging grips which are molded integral with said housing and are supportable by both palms of the operator; a plurality of finger-manipulatable controllers mounted on the housing; and a vibration motor mounted within at least one of the grips via a adapter. The vibration motor includes: a casing; a freely rotatable shaft supported by the casing; an eccentric member, mounted on the shaft, having a rotor mounted on the shaft and a plurality of coils mounted on the rotor. Accordingly, when the coils are activated by the electric current, the motor is set in vibration caused by the rotation of the eccentric member. The vibrations of the motor is transmitted to the operator via the grips, thereby providing the operator with enhance virtual reality in the game.

PCT No. PCT / DE96 / 01665 Sec. 371 Date Jul. 23, 1998 Sec. 102(e) Date Jul. 23, 1998 PCT Filed Aug. 31, 1996 PCT Pub. No. WO97 / 08477 PCT Pub. Date Mar. 6, 1997The invention concerns a system for active reduction of radial vibrations of a rotating shaft (4), especially the drive shaft of an internal combustion engine (1), with at least one active electromagnetic device (7; 10; 15, 16), which is configured and controlled such that it applies radial forces to the shaft (4), which counteract the radial vibrations of the shaft (4).

The invention discloses a construction waste treatment device, which comprises a crushing chamber, an atomizing nozzle is arranged on the upper side of the crushing chamber, a water suction pipe is arranged on the upper side of the atomizing nozzle, a water storage chamber is arranged inside the upper end of the suction pipe, and a water storage chamber is arranged on the left upper side of the crushing chamber. There is a feeding pipe, the lower end of the right side of the feeding pipe is provided with a drainage plate, the lower side of the drainage plate is provided with a crushing plate, the lower left end of the crushing chamber is provided with a connecting pipe, the right side of the connecting pipe is provided with a rebar storage chamber, and the upper end of the rebar storage chamber is provided with a There is an electromagnet, there is a discharge port on the lower side of the crushing chamber, a crushing chamber is provided on the lower side of the discharge port, a screen is provided at the lower end of the crushing chamber, a discharge pipe is provided in the middle of the lower side of the crushing chamber, and a discharge pipe is provided on the lower side of the discharge pipe. There is a grinding chamber, the four corners of the lower side of the crushing chamber are provided with support columns, the lower side of the grinding chamber is provided with a discharge pipe, the lower side of the support column is provided with a base, the inside of the base is provided with a vibration-damping pad, and the upper middle of the base is provided with a pulley. The construction waste is crushed, separated, crushed, screened, ground and transported, which can effectively protect the environment and save resources.

The present invention provides a camera system which is provided with signal processing control means for changing the filter characteristic of parallel vibration signal processing means in conformity with the output signal of rotation vibration signal processing means and thereby can photograph an image suffering little from blur even during macro-photographing.

A suspension system for a vehicle, including: an electromagnetic actuator configured to generate an actuator force and including a sprung-side unit connected to a sprung portion, an unsprung-side unit connected to an unsprung portion, and an electromagnetic motor; a connecting mechanism; and a controller including a target-actuator-force determining portion, the determining portion being configured to determine a target actuator force based on: (a) a required acting force that is a force required to act between the sprung and unsprung portions; and (b) an inertial force of one of the sprung-side and unsprung-side units, while utilizing: a first transfer function by which is outputted an amount of a displacement of the one of the sprung-side and unsprung-side units when the actuator force is inputted; and a second transfer function by which is outputted an actual acting force which actually acts between the sprung and unsprung portions when the displacement amount is inputted.

A vibration dampening through coolant tool holder, such as a boring bar, for machining operations, has an internal chamber within which a vibration dampening mass is supported at each axial end by resilient buffer members. A vibration adjusting piston is linearly moveable with the tool holder and has dampening adjustment engagement with the mass. A dampening adjustment mechanism causes linear movement of the piston and applies controlled force of the piston to the mass and has a micrometer type rotary adjustment member that imparts linear force to the piston. The linear piston adjustment can also have a worm gear drive mechanism for controlling linear piston movement.

A motor housing (11) is mounted in a handle body (10) so as to slide in the longitudinal direction. A tubular pipe (37) that can slide in a bore (38) of the body (10) projects from the back of the housing (11). Compressed air can be applied to the bore (38) through a switching valve (40). A piston (14) with a piston rod (17) can slide in the housing and a tool can be secured to its front end. A flutter valve (23) which alternatingly connects the bore (38) to the two cylinder chambers (27, 28) is built into the valve housing (22). The piston (14) alternatingly opens the connection to an outgoing air conduit (29-31). A pre-stressed spring (47) is set between the body (10) and the housing (11). In operation, the housing (11) oscillates out of step with the piston (14), so that their initial forces are largely compensated and no vibrations are transmitted to the handle body (10).

A process for depositing a film at a high rate and with superior step coverage properties, which comprises installing a pair of electrodes crossing with another pair of electrodes making a right angle with respect to the another pair, and applying a high frequency power differing in phase to the electrodes in order to apply a high frequency power having a Lissajous' waveform in the reaction space during the deposition of a film on a substrate.

A hand-operated power tool has a housing with a drive mechanism for driving a tool, a tool receptacle for receiving a tool, a handle assembly for grasping and handling located in a rear region which is remote from the tool receptacle and engaging the housing, wherein the handle assembly is vibration-damped with respect to the housing with components contained in the housing, at least and substantially in an axial direction.

Provided is a vibrating device which can generate efficient vibrations in a vibrating member and efficiently apply vibrations to a gas, a jet flow generating device in which the vibrating device has been implemented, and an electronic device in which the jet flow generating device has been implemented. A jet flow generating device 10 has a vibrating device 15 including a frame 4, and actuator 5 mounted on the frame 4, and a vibrating member 3 supported on the frame 4 by an elastic supporting member 6. The vibrating member 3 has a side plate 3b formed on the perimeter portion of a disc-shaped vibrating plate 3a, for example. Vibration of the vibrating member 3 applies vibrations to air within chambers 11a and 11b, whereby gas can alternatingly be blown from nozzles 2a and 2b.

In a transmission chain having link plates with convex edges for sliding contact with a guide surface, the plates are asymmetric in shape so that the distance from a line connecting the centers of the connecting holes and the convex edge is greatest at a position other than at the midpoint between the connecting holes. A pivoting action of the link plates takes place as they slide over a guide surface, changing the abutment point.

An active bearing at least for vibration reduction is described, comprisinga) an interface (7) to be fitted to a load (8);b) at least one support element (3) in an operative connection with the interface (7) and a support unit (6);c) at least one linear actuator (5) supported indirectly or directly on the support unit (6);d) a gear unit (4) for the path transmission of an actuating path change originating from the linear actuator (5), said gear unit being in an operative connection with the at least one linear reactor (5);e) at least one decoupling unit (1), which serves for the decoupling of the static load transfer and for transmitting the dynamic load transfer; wherein the at least one linear actuator (5), the gear unit (4) and the at least one decoupling unit (1) are disposed serially.

A device for removing ice and snow from a power transmission line includes a support member installed on the power transmission line, and a vibrator that is provided for the support member and applies vibrations to the power transmission line so as to remove the ice and the snow attached to the power transmission line.

A combustion chamber pressure sensor for an internal combustion engine includes an elongated pressure transmitting member having one end exposed to the interior of an engine cylinder and the opposite end contacting a pressure sensing element which generates a pressure measurement signal, the pressure transmitting member and pressure sensing element being contained within an elongated housing. A damping body formed of a viscoelastic material is disposed on an outer or inner circumferential surface of the housing, for reducing an amount of engine vibration that is transmitted to the pressure sensing element and thereby reducing noise in the pressure measurement signal.

The invention discloses a shock-absorbing crushing device for traditional Chinese medicine processing, which comprises a machine body, the outer wall of which is covered with a ceramic layer, a circular feeding port is opened on the upper side of the machine body, and a feeding hopper is connected to the feeding port , the bottom of the feed hopper matches the size of the feed port, and the left and right feed baffles are respectively arranged at the left and right ends of the lower side of the feed port, and the left feed baffle and the right feed The baffle is a semicircular baffle arranged symmetrically. This invention is a shock-absorbing crushing device for processing traditional Chinese medicine, which can control the feeding amount and feeding speed, and effectively improve work efficiency. Two crushing mechanisms are arranged inside the machine body. The material is fully crushed, and the two crushing mechanisms are driven by one motor, which effectively reduces energy consumption, greatly improves the crushing efficiency, and makes the medicinal materials crushed more fully. In addition, it can effectively reduce the vibration generated during the operation of the device and improve the operation of the device. stability.

A motor drive control apparatus for driving and controlling a linear vibration motor having a mover supported by a spring, with an AC current. The motor drive control apparatus includes a waveform creation unit for creating a comparative current waveform to be a reference of a driving current for the linear vibration motor based on the operating condition of the linear vibration motor, a current detector for detecting the driving current, and a controller for controlling a driving voltage of the linear vibration motor so that a difference between the comparative current waveform and a waveform of the current detected by the current detector becomes zero. The frequency of the driving current is controlled to be close to the resonance frequency of the linear vibration motor, based on the comparative current waveform. Accordingly, the driving frequency of the linear vibration motor can always be brought to the resonance frequency without using a sensor for detecting a displacement, speed, or acceleration of the mover, for example.

The invention discloses a magneto-rheological hydraulic suspension device which comprises an upper connecting bolt, a synthetic framework, a rubber main spring and a main spring support. The main spring support is fixed on a support, the lower end of the support is connected with a lower connecting bolt, an upper liquid chamber partition plate and a lower liquid chamber partition plate are arranged at the junction of the main spring support and the support, and symmetrical tapered bosses are arranged at the centers of the upper liquid chamber partition plate and the lower liquid chamber partition plate and provided with tapered through holes. A rubber bottom film is clamped between the lower liquid chamber partition plate and the support, a chamber defined by the synthetic framework, the rubber main spring, the main spring support and the upper liquid chamber partition plate is an upper liquid chamber, a chamber defined by the lower liquid chamber partition plate and the rubber bottom film is the lower liquid chamber, a connecting rod is arranged in the upper liquid chamber, one end of the connecting rod is connected onto the synthetic framework, the other end of the connecting rod is connected with main electromagnetic coils, and the main electromagnetic coils are located in the tapered through holes. The magneto-rheological hydraulic suspension device enlarges a damping adjustment range and can isolate vibration and noise of an engine within a wide frequency band and improves the noise reducing performance of the suspension at high frequency.

A hand-operated power tool (10), in particular a drill hammer and / or jackhammer, has a housing (11) which has a drive mechanism for driving a tool (12) that is receivable in a tool receptacle (13) and, in the rear region (14), remote from the tool receptacle (13), has a handle assembly (20) for grasping and handling that engages the housing (11). The handle assembly (20) is vibration-damped with respect to the housing (11), with the components contained in it, at least and substantially in the axial direction, by means of a vibration-damping device (FIG. 1).

A full automation minitype building block forming machine with environmental protection and conservation of energy, belongs to machine manufacturing technology field, while relates to machine, electricity, fluid, magnetism technology. The invention includes a storing module system, a distributing module system, a building block forming module system, a hydraulic pressure demouding module system and a feeding plate module system; the storing module system is provided on the topest part of the rectangle machine frame, the distributing module system is provided on the lower part of the storing module system, both are connected by automatic discharge tube of the storing box, the forming module system is provided on the lower part of the distributing module system, and is connected to the distributing module system by the discharge port of the distributing box, the hydraulic pressure demouding module system is provided on the lower part of the forming module system, and is connected to the forming module system by the crank connecting rod and, the feeding plate module system is provided on the side lower part of the forming module system, and is connected to the forming module system by the bearing plate conveying car. The invention has advantages of small investment, low energy consume, high automation degree, low cost of produced building block and so on.

A touch panel apparatus includes a touch panel (11), a piezoelectric element (12) disposed on the touch panel (11) and capable of expansion and contraction, and a plurality of support members (14a-14f) disposed on a fixing portion (13) and configured to support and allow for flexure vibration of the touch panel (11), such that the support members (14a-14f) are disposed in greater number in a direction orthogonal to an expansion and contraction direction of the piezoelectric element (12) than in the expansion and contraction direction so that a bending direction of the touch panel (11) due to a press matches a flexure direction of the touch panel (11) due to the expansion and contraction of the piezoelectric element (12).

The invention discloses a through-the-earth communication system which comprises an earth coupling speaker and an earth coupling pick-up device, and stratum medium is arranged between the earth coupling speaker and the earth coupling pick-up device. A coder is arranged at a signal input end and is connected with a spread spectrum modulation and power amplifier which are connected with the earth coupling speaker, and the earth coupling speaker is positioned on the stratum or in the stratum at one side of a transmitting terminal. At the signal output end, the earth coupling speaker is positioned on the stratum or in the stratum at one end of a receiving terminal, the signal is received by the earth coupling pick-up device, the earth coupling pick-up device is connected with a low-noise amplification and frequency selection filter which is connected with a spread spectrum demodulator, and the reduction signal is output by the spread spectrum demodulator. The through-the-earth communication system has the advantages that the signal transmission distance can be prolonged in the stratum, the capacity of resisting disturbance is strong, and the like.

The invention provides an anti-drop insulation piercing connector. A J-shaped clamp which is in a columnar form in the transverse direction is arranged; a pair of screw rods is in threaded connection with a pair of screw holes in an upper platform of the J-shaped clamp respectively; the inner end of each screw rod is movably sleeved with a chuck; an upper wire slot is longitudinally arranged in the lower end surface of each chuck; a locking groove is arranged in the upper end surface of each screw hole of the upper platform; and a plurality of one-way locking claws are arranged on the side wall of each locking groove and can be pushed by a corresponding locking nut in the fastening and rotating direction to rotate around a rotating shaft and continuous rotation in the loosening direction is blocked by the front ends of the one-way locking claws. The target of long-time operation without loosening of a power cable clamp is achieved; vibration is effectively resisted; and loosening is prevented. Piercing teeth do not rotate; and the upper wire slots of the chucks can be provided with the piercing teeth, so that the conductivity is ensured; and the service lifetime is further prolonged under the action of pressure springs.

An actuator assembly for a disk drive is provided wherein the pivot cartridge is supported within the bore of the actuator with corrugated end rings. The corrugated end rings provide a uniform distribution of forces on the pivot cartridge and effectively reduce vibrations between the pivot cartridge and the body of the actuator.