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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...
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7990020 |
Ultrasonic motor and electronic device using the same
The present invention provides an ultrasonic motor including a wire having a coiled stator at one end thereof, a vibration generating device disposed at another end of the wire, a moving member...
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7960876 |
Magnet rotor, electromagnetic drive device and light quantity adjustment device using the magnet rotor
A magnet rotor includes a drive arm with a rotary shaft, and an anisotropic permanent magnet having an axis of magnetization. The drive arm is composed of a light transmitting resin. The magnet has...
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7960875 |
Vibration generator
There is provided a small-sized vibration generator that resonates at two different frequencies. A movable base is housed inside a case. The movable base has an installation plate, and supporting...
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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...
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7786887 |
Electromagnetic energy converter
An autonomous-power radio device including an electromagnetic energy transducer having a permanent magnet (1), a soft-magnetic element (9), an electrical coil (6), and stop points (8a-8d). The...
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7683508 |
Vibration device
The present invention pertains to vibration devices that do not require a rotating mass. In accordance with aspects of the invention, a coil causes a plunger to move linearly. A spring device is...
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7619498 |
Vibrator
A vibrator has a cup-shaped casing, a substrate provided to close an upper end opening of the casing, a magnetic circuit assembly provided in the casing, a first suspension and a second suspension...
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7586220 |
Electromechanical 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 housing, an electrically conductive coil assembly...
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7557474 |
Electromagnetic exciter
An electromagnetic exciter includes a first suspension having a cylindrical side wall portion coaxial with respect to a cylindrical wall of a yoke of a magnetic circuit assembly, and a spring...
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7355305 |
Small-size direct-acting actuator
A direct-acting actuator is provided comprising a stator section (16), an attachment section (6) secured to the stator section, micro-beams (8, 10) extending from the attachment section, a rotor...
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7345438 |
Electromagnetic driver
In an electromagnetic driver according to the invention, electromagnetic units are arranged in the axial direction of a shaft, and a power supply change-over device is so formed that, when an...
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7304407 |
Linear oscillating actuator
A linear oscillating actuator gives a smooth reciprocatory movement with a minimum of incidental vibrations or stresses. The actuator includes an oscillator carrying a permanent magnet as well as...
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7239052 |
Magnetic actuators
A magnetic actuator. A yoke includes a first opening and a second opening, a frame, and a path. A first magnet is disposed in the first opening in the vicinity of the frame. A second magnet is...
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7067945 |
Apparatus for converting side-to-side driving motion to rotational motion with a spring assembly and system for tuning the spring assembly
The apparatus for converting side-to-side to rotational motion for a workpiece includes a spring assembly with a movable base mounting element which is driven in a slightly arcuate reciprocal...
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7026900 |
Magnetic motion device
A magnetic motion device is disclosed, wherein a permanent magnet slides back and forth along a pivoting rail due to the interaction between the slide's magnetic field, the magnetic fields produced...
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6879065 |
Linear actuator
An improved linear actuator incorporates a DC motor whose stator is secured to a frame is provided for. To improve operational longevity and reliability of a linear actuator, the improved actuator...
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6734582 |
Linear actuator using a rotating motor
A linear actuator incorporates a DC motor whose stator is secured to a frame. A shaft is coupled to the rotor of the DC motor one end of which is circumferentially coupled to the inside of a...
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6570275 |
Motor having two degrees of free motion with a core having inner and outer winding portions
A motor having two degrees of free motion includes: a motor casing; a combined core of cylindrical shape having a plurality of inner teeth inside and a plurality of outer teeth outside and fixedly...
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6511012 |
Apparatus for controlling the tension of a traveling yarn in an automatic winding device
An apparatus for controlling the tension of a traveling yarn includes a rake tensioner having stationary and displaceable yarn tensioning elements in engagement with the traveling yarn, and an...
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6311919 |
Yarn guide for the traversing delivery of a yarn to a rotationally driven takeup bobbin
A yarn guide imparts a traversing motion to a yarn being delivered to a rotationally driven takeup bobbin in a textile yarn winding operation to create a cross-wound bobbin, or cheese. The yarn...
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5602432 |
Silent warning vibration generator for portable equipment
A vibration generator in a pager or massage device for giving vibration to the user including a coil fixed to a base and a movable member vibratably supported on the base. The movable member has...
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5436517 |
Recording disk driving apparatus
A recording disk driving apparatus comprising a base plate, a cover member defining a disk chamber in cooperation with the base plate, a spindle motor disposed in the disk chamber, and a recording...
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5287027 |
Electromagnetic drive for use with vibratory conveyors
An electromechanical exciter for use in driving a vibratory conveyor includes a non-linear spring system which provides an increase in spring force as the stroke of the electromagnet increases.
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4597399 |
Vibrator actuated lens cleaning system
A contact lens cleaning system comprises a container for receiving a quantity of cleansing fluid and a contact lens therein and a vibrator including a vibration generator and a vibration...
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4550266 |
Reciprocating armature motor for driving electrical equipment
A reciprocating armature motor for electrically driving equipment such as a piston pump for a paint spray gun or a diaphragm compressor characterized by a stator having a solenoid, an armature...
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4528468 |
Digital linear actuator
A digital linear actuator capable of converting pulsed electrical current into positive and precise increments of linear motion. The actuator includes a threaded shaft which is prevented from...
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4494023 |
Magnetic motor machine
A magnetic motor machine is provided in a compact housing and comprises a pair of electromagnetics rigidly attached within said housing in spaced apart relationship. Electronic circuits and power...
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4318016 |
Transducer
In combination, a water bed frame with side boards, a water filled flotation mattress within the frame, an electromagnetic vibrating transducer unit between a side board and the mattress and...
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4162417 |
Electromechanical escapement
The present invention has as an object the provision of an electromechanical analogic display device for electronic chronometers, comprising at least an electromagnetic motor controlled by an...
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4120617 |
Pump device for supplying fuel to a combustion engine
Device for supplying fuel to the atomizer of a combustion engine comprises at least a pump to be connected with the atomizer having a piston-bounded pump chamber and an electromagnet for...
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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...
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3997766 |
Rotary indexing mechanism
Several embodiments of a rotary indexing mechanism having either an angularly reciprocable or rectilinearly reciprocable input, an output rotary friction drum and a one-way drive interconnect...
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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...
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3961209 |
Oscillator for time measurement
This invention concerns an oscillator for time measurement, comprising a resonator the oscillation of which is maintained by at least one part reciprocated by electrostatic forces relative to at...
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3917965 |
Transmission device for a horological mechanism
A transmission device for converting vibratory movement into rotary movement in a horological mechanism, comprising at least one oscillated magnetized member and one index wheel presenting at least...
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3864586 |
VIBRATOR AND VIBRATORY SYSTEM
A vibrator comprises a vibratory unit composed of resilient sheet material and having two main vibratory arms disposed in spaced parallel relationship and interconnected at their ends by two...
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3739465 |
METHOD OF MAKING AN ELECTROMAGNETIC DEVICE
A bifurcated magnetic core in an electromagnetic device having an armature plate is formed with a fixedly mounted yoke and pair of arms which cooperate with the armature plate and are each provided...
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3727396 |
OSCILLATING MOTOR
An oscillating motor for a watch comprises a driven tuning fork or mechanical resonator driving a ratchet wheel. The fork carries a hermetically sealed housing on one of its tines, the housing...
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3725648 |
ELECTROMAGNETIC REGISTER APPARATUS
An electromagnetically operated register is disclosed of the type having a U-shaped pole piece with one leg extending through the coil. The armature is linked to a separate ratchet arm, which is...
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3699412 |
TIMEBASE VIBRATOR ASSEMBLY
In a timebase mechanical vibrator having three parallel oscillating arms arranged in a common plane wherein the central arm oscillates in opposite phase to the two outer arms, the width of the...
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3694681 |
PIEZOELECTRIC MOTOR
An electromechanical motor has a piezoelectric reed, anchored at one end and co-operating at its free end with a rotor. The rotor or the reed is provided with a wavy track, for example a flux gap,...
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3690191 |
DEVICE FOR CONVERTING A RECIPROCATING MOTION INTO A STEPWISE ROTARY MOTION
A device for converting reciprocating motion into stepwise rotary motion has a rotatable shaft, a first pole wheel mounted on the shaft and having a plurality of north poles equally spaced one from...
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3683213 |
MICRORESONATOR OF TUNING FORK CONFIGURATION
A piezoelectric or ferroelectric microresonator of tuning fork configuration has an overall length of from about 100 mils to 500 mils, and a width of from about 15 mils to about 50 mils. In a...
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3667306 |
DEVICE FOR PROVIDING CONTROLLED MOVEMENT
A device for moving a member by a controlled amount or to a controlled position. An element undergoing a rotary vibrational movement is coupled to rotate a rotatable member when the element...
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3649858 |
TRANSMISSION, PARTICULARLY FOR USE IN A TIMEPIECE, FOR CONVERTING THE OSCILLATING MOVEMENT OF A TUNING FORK INTO A ROTATING MOVEMENT
A transmission, particularly for use in a timepiece, for converting the oscillating movement of a tuning fork into a rotating movement, wherein a driving element in diving engagement with an...
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3636901 |
NEEDLE-POSITIONING ATTACHMENT FOR A SEWING MACHINE
A needle-positioning attachment for a sewing machine having a main drive spindle for reciprocating a needle, including a main drive wheel connected to the main drive spindle for rotation in one...
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3581128 |
STEPPING WHEEL
A drive for a clockworks in which a magnet is caused to oscillate adjacent a wheel in the radial direction of the wheel. An undulating magnetic path is formed on the wheel in the range of...
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3566167 |
APPARATUS FOR CONVERSION OF RECIPROCATING MOTION INTO ROTATING MOTION
A transmission for conversion of a reciprocating movement into a rotating movement, particularly for use in an electronic timepiece having a time-keeping mechanical resonator, and wherein...
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3562613 |
TIMEPIECE DRIVEN BY NUCLEAR ENERGY
A timepiece driven by nuclear energy, wherein the radiation of a radioactive source serves at the same time for producing the electric power for energizing a counting circuit and for control of a...
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