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8134259 Linear vibrator  
Disclosed herein is a linear vibrator. The linear vibrator includes a stationary unit which has on an upper portion thereof a magnet generating a predetermined magnetic force and a yoke, and...
8120214 Linear vibrator with improved damping function  
The present invention provides a linear vibrator comprising a weight having an auxiliary magnet which is provided in a lower end of the weight and generates magnetic force with respect to the...
8110951 Electromagnetic vibrator and producing method thereof  
An electromagnetic vibrator includes a vibration sheet, suspension edge, basin frame and magnetic return path system. The electromagnetic vibrator is prepared as connecting back surface of...
8097988 Horizontal linear vibrator  
The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime...
8080906 Generator for converting mechanical vibrational energy into electrical energy  
An electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising a substantially annular high-permeability core, the...
8030807 Electromechanical energy harvesting system  
An ambient energy harvesting system, and method of use thereof, includes a magnetic flux-generating assembly (28), a coil (30) positioned adjacent to the magnetic flux-generating assembly (28), and...
7999421 Horizontal linear vibrator  
The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime...
7911098 Vibration motor  
A linear vibrator is disclosed. The linear vibrator includes a base, a coil unit, which is coupled to the base, a magnet, which is coupled to the coil unit such that the magnet can move relatively,...
7843090 Electromechanical generator for converting mechanical vibrational energy into electrical energy  
An electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator including a cantilever spring having a fixed end, a free end and...
7414325 Energy conversion systems using nanometer scale assemblies and methods for using same  
Energy conversion systems utilizing nanometer scale assemblies are provided that convert the kinetic energy (equivalently, the thermal energy) of working substance molecules into another form of...
6469407 Electrical machine with a cooling device  
An electrical machine with a cooling system for the removal of waste heat includes a stator laminated core having a plurality of first sheet metal laminations stacked to form a first core part...
6376941 High frequency linear-force electric motor  
A linear-force motor contains no moving parts and is powered by a high frequency generator. It is silent and vibration-free. It has no emissions except force and heat. It is not restricted to...
6262500 Vibration generator  
A vibration generator which is durable, provides strong thrust and is capable of being reduced in size, cost and weight includes a movable element (50) having a permanent magnet (60) attached...
6043978 Cooling device for circuit breakers  
An alternating current circuit breaker having an extended fin cantilevered from its housing. A portion of the fin along its extended length is magnetized so that the fin flutters in the magnetic...
5909068 Vibration generating device  
A small-size, thin-profile vibration generating device capable of functioning with improved durability and reliability and with less consumption of power includes a yoke constituting an...
5565830 Rare earth-cobalt supermagnetostrictive alloy  
A rare earth-cobalt supermagnetostrictive alloy having a composition represented by the general formula, in atomic fraction: R (Co1-x Fex)x, wherein 0.001≤x≤0.8, 0.2≤z≤15, and R is at least one ele...
5522712 Low-powered cooling fan for dissipating heat  
A cooling fan for dissipating heat requiring relatively little electrical power to operate. The fan includes a fan blade, constructed from flexible metal or plastic, anchored at one end and having...
5361053 Super magnetostriction type actuator  
In a super magnetostriction type actuator constructed such that a super magnetostriction rod is extended/contracted by application of a magnetic field from a solenoid coil, and a drive object is...
5132665 Hub-mounted vehicle back-up alarm  
A self-powered back-up alarm for mounting to the wheel hub of a heavy truck or like vehicle. The alarm includes a housing adapted to be mounted to a vehicle wheel hub. Inside the housing is a...
4980598 Monolithic resonator for a vibrating beam accelerometer  
A monolithic resonator for a vibrating beam accelerometer is provided which comprises an outer structure including a mounting structure, a proof mass structure, a plurality of flexure beams...
4926143 Oscillator using H-shaped single crystal silicon vibrator  
A vibrating type transducer wherein an H-shaped vibrator, formed integrally with a silicon substrate and having a hollow chamber provided therearound, is kept self oscillating at its natural...
4680492 Audio-frequency electromechanical vibrator  
An audio frequency electromechanical vibrator comprising a flat plate permanent magnet magnetized in a predetermined direction and a coil wound around the permanent magnet for crossing the...
4567451 Resonator having optical feedback coupling  
A resonator device comprises an elastic beam driven electrostatically at its natural frequency, or an harmonic thereof, by voltage pulses applied to an integral paddle member. The voltage pulses...
4562740 Vibration sensor and the method of and apparatus for manufacture thereof  
An improved method and apparatus are provided for making vibration sensors, particularly of the type used in automotive applications wherein a piezoelectric element is affixed to a flexing plate...
4518831 Transducer with translationally adjustable armature  
An electromechanical magnetic transducer with a moving armature having (1) substantially pure translational adjustability, or (2) adjustability characterized by a substantially definite pre-chosen...
4446394 Linearizing mechanism for a vibrating beam force transducer  
A single beam force transducer is provided with integrally affixed isolation springs which are axially compliant and unbalanced in their spring rates so as to induce beam bending due to applied...
4445065 Non-prismal beam resonator  
A single beam force transducer has a beam characterized by a thickened central portion and tapered outward portions. The support members of the transducer are thickened and are thus stiffer while...
4412355 Push-button operated electrical power source for an optical communication link  
In the present invention, a novel magnetic circuit maximizes the electrical power generated upon manual actuation of a push-button switch while minimizing the required weight of the magnetic...
4410769 Transducer with adjustable armature yoke and method of adjustment  
An electromechanical magnetic transducer with a moving armature that is adjustable relative to the working gap. The armature comprises an armature leg, crosspiece, and yoke arms, the adjustment...
4381672 Vibrating beam rotation sensor  
A rotation sensor having a vibrating cantilever beam is disclosed herein. The sensor comprises an integral single crystal silicon cantilever beam and support structure, an oscillator circuit for...
4348594 Wind power generator  
A wind power generator includes a flexible sheet or fabric supported under tension within a housing frame which guides an airflow therethrough and across the surfaces of the membrane. As the...
4321500 Longitudinal isolation system for flexurally vibrating force transducers  
A system for isolating the mounting pads of a vibrating beam or tuning fork force transducers from longitudinal vibrations generated by transverse vibrations of the beam or tuning fork tines which...
4199737 Magnetostatic wave device  
A magnetostatic wave device for microwave signal processing which includes an input or output transducer finger arrangement which allows shaping of the device response. Two sets of interdigitated...
4193008 Tuning fork formed of rolled invariable elasticity material  
A tuning fork and a manufacturing method thereof which is obtained by punching and folding a material of invariable elasticity. The material is formed in the shape of a plate and processed through...
4178526 Piezoelectrically driven tuning fork resonator and mounting structure  
A tuning fork resonator which has a substantially U-shaped tuning fork supported in spaced relation to a support base by means of a support system with at least three support points. The...
4164669 Seed sensor  
A seed sensor for sensing seeds flowing along a path is provided with an electromagnetic transducer having a movable diaphragm. An arm is secured to a generally peripheral portion of the diaphragm...
4162876 Electromagnetically driven diaphragm pump  
A diaphragm pump having a diaphragm which is movable to and fro by an oscillating arm which is in turn driven by an electromagnet has its oscillating arm so mounted that it oscillates in a plane...
4135119 Limited rotation motor  
A limited rotation motor has a stator and a rotor mounted for limited rotation relative to the stator. The stator is constructed to conduct bias flux through magnetic circuits that extend across...
4114305 Illuminated fishing lure  
One or more LEDs are connected across an induction coil wound on a tube slidably carrying an axially polarized permanent magnet, the tube being closed at both ends so that axial reciprocation of...
4063448 Density meter coil assembly  
An apparatus for measuring the density of a fluid including a coil assembly comprising a housing of magnetic material having first and second circular end walls and a cylindrical permanent magnet...
4056760 Method of driving a two coordinate oscillator and circuit arrangement therefor  
A method and a circuit arrangement for driving a two co-ordinate mechanical oscillator with the aid of a deformed rotating field of forces defined by a plurality of exciting and pick-up components....
4056743 Oscillating reed electric motors  
An electric motor of the kind in which an oscillating element carries a magnet which is coupled magnetically to a rotor to transmit drive thereto. The electrical driving signals for the oscillating...
4044283 Electromechanical resonator  
An electromechanical resonator is disclosed for use in optical scanning systems. The resonator comprises a torsionally resonant system including a torsion rod having one end fixed to a nodal zone...
4037121 Piezoelectrically driven tuning fork with harmonic suppression  
An electrically driven tuning fork of the piezoelectric type, electromagnetic type or the like for use in electrical and electronic equipment which includes a tuning fork vibrator and electrical...
4037179 Mechanical filter device  
A mechanical filter device comprises a casing having housed therein a U-shaped tuning fork. A damper extends from the casing between adjoining vibratable tines of the tuning fork to effectively...
4004166 Method for stabilizing the vibration frequency of a tuning fork-type quartz crystal oscillator  
A method for stabilizing the vibration frequency of an oscillator which contains a tuning fork-type quartz crystal element comprising a pair of arms each having a given size and a common connecting...
3974466 Electrochemical reed filter  
An electromechanical reed filter has a pair of reed elements secured at one end to each other and supported on a base member. A electromechanical transducer is cemented to the side surface of each...
3971321 Fluid driven electrical-mechanical safety and arming system  
This invention relates to an ordnance fuzing device in general and more picularly to a fluidically driven safety and arming mechanism. The present invention also utilizes a fluidically driven...
3937117 Composite tuning fork and method of making same  
There is disclosed a light modulating structure including an open-ended housing within which an electromagnetically driven tuning fork structure is supported. The tuning fork is of composite...
3921045 Damped torsional rod oscillator  
A mechanical oscillator for periodically swinging an optical or other load element. The oscillator includes an erect torsion rod anchored to a base, the load element being attached to the free end...
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