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7440689 |
Electromagnetically actuated adjusting apparatus for lens
An electromagnetically actuated adjusting apparatus for lens is disclosed. The adjusting apparatus comprises a body capable of furnishing a lens inside, at least one permanent magnet, a first...
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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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7170665 |
Optical unit provided with an actuator
An optical unit is constructed by superposing and cementing the first substrate having fixed electrodes and the second substrate having a sheet-like member in which a moving plate-spring-like...
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6987601 |
Damped control of a micromechanical device
Device and method for a damping function to reduce undesirable mechanical transient responses to control signals. In one aspect of the present invention, the damping function may be used to reduce...
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6780161 |
Apparatus for extracorporeal shock wave lithotripter using at least two shock wave pulses
The present invention relates to an apparatus for treating a living body or tissue with shock waves originating from at least two sources to a focal area on or within said living body or tissue....
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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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6538799 |
Magnetically actuated torsional micro-mechanical mirror system
A torsional micro-mechanical mirror system includes a mirror assembly rotatably supported by a torsional mirror support assembly for rotational movement over and within a cavity in a base. The...
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6249064 |
Magneto-striction microactuator
Apparatus and method for providing microactuator positional control in a disc drive having a rotatable disc on which a plurality of tracks are defined and an actuator assembly which supports a head...
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6066998 |
Magnetic actuator with long travel in one direction
An actuator made up of a plurality of actuator elements is provided which actuator provides long travel in one dimension and short travel in five additional dimensions, with each actuator element...
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5802415 |
Dual coil actuator
A dual coil actuator comprising a pair of independently moveable electrically conductive coils, is characterized in that a single magnet core generates a single magnetic field, and the coils are...
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5362213 |
Micro-pump and method for production thereof
A micro-pump having a cross-sectional area of not more than 5 mm 2 and usable as a drive source for the operation of a micro-machine and as the controlled flow of a fluid and a method for the...
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5340400 |
Linear motor surface coating system
Surface treating apparatus employing at least two linear motors driving a multiple linkage system for positioning the outlet of treatment apparatus such as a radiation head or a sprayer for coating...
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5283682 |
Reactionless scanning and positioning system
A reactionless scanning and positioning system is disclosed which includes a mirror scanning assembly coupled to a reaction mass having a rotational moment of inertia equal and opposite to that of...
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5235225 |
Linear electrostatic actuator with means for concatenation
Miniaturized linear electrostatic motor comprising a plurality of parallel stators and a flexible rotor disposed between adjacent stators. The stators may be fabricated by depositing a plurality of...
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5208498 |
Linear actuator
A linear actuator comprises a shaft made of non-magnetic material for being reciprocatingly moved in an axial direction of the shaft, a plurality of ring-shaped moving cores which are located on...
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5070263 |
Compact dual rotor torque motor for accelerometers
A torque motor for rotatably driving a rate sensor (10, 100) which includes a permanent magnet (30) that is magnetically coupled to an upper rotor (18, 106) and a lower rotor (44, 110). At three...
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5023496 |
Linear motor
A linear motor comprises a first yoke, a second yoke spaced apart the width of a first gap from the first yoke, a current-carrying coil surrounding at least one of the first yoke and the second...
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4814650 |
Flat plunger linear electrodynamic machine
An electrodynamic motor having a flat plunger core arrangement formed out of alternating layers of magnetic and insulating strips clamped together and maintained on respective bearing sleeves which...
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4743178 |
Non-linear electromagnetic vibration fluid compression device
A non-linear, electromagnetic, vibration compression mechanism comprising a non-linear electromagnetic vibration device and a piston-cylinder, plunger-cylinder, or membrance type pump. A...
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4621221 |
Reversible vibratory motor
A reversible vibratory motor includes a driving member responsive to a first frequency of vibration for driving a driven member in a first direction, and responsive to a second frequency of...
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4565497 |
Pump actuator
An actuator is described for use in a pump having a pump chamber whose contents are expelled by movement of a pair of pusher plates toward one another. The actuator includes opposed solenoid...
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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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4500265 |
Magnetically actuated compressor
A vibration free fluid compressor particularly adapted for Stirling cycle cryogenic refrigeration apparatus comprising a pair of identical opposing ferromagnetic pistons (10, 12) located in a...
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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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4457673 |
Pump and actuator mechanism
A pump is described in which a flexible enclosure defines a pump chamber whose contents are expelled by movement of a pusher plate engaged with the enclosure. The pusher plate is moved by an...
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4160177 |
Vibratory electromagnetic motor
A vibratory electromagnetic motor includes a stator unit, a first rotatable armature and a second rotatable armature. The armatures and the stator unit are arranged to reduce motor noise and...
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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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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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3784334 |
ELECTROMAGNETICALLY DRIVEN FLUID COMPRESSING APPARATUS
A pneumatic supply includes a permanent magnet mounted to the upper end of a driven lever. An encircling rectangular member has an opening through which the lever extends to locate the permanent...
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3678307 |
ELECTROMECHANICAL OSCILLATOR WITH ISOCHRONOUS COMPENSATION AND/OR FREQUENCY REGULATION
An electromechanical oscillator having an oscillating member which is electrically maintained in mechanical oscillation, in which a pair of magnets with opposite poles defining a gap is carried by...
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3675055 |
MOTOR INCORPORATING TORSIONAL MODE RESONATOR
A subminiature microwatt synchronous motor includes a rotor driven magnetically or mechanically by a balanced torsional mode resonator which is attitude-insensitive and temperature-compensated. The...
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3671825 |
TIMING MOTOR WITH RESONANT MEMBERS
A D.C. energized timing motor with one or more resonators, having a plurality of coordinately moving arms, all magnetically coupled to the rim of a rotor and in which the motion of the resonator...
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3612967 |
TWO-PHASE VIBRATING DEVICE
A high-frequency vibrator for pushing pipe underground and plowing in underground cable is disclosed. An alternating electromagnetic field is established in a generally S-shaped magnetic core by...
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3519856 |
ELECTROMECHANICAL OSCILLATORS
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3518464 |
ELECTROMAGNETIC DRIVING MECHANISM
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3506897 |
TUNING FORK WITH FREQUENCY ADJUSTMENT
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3428879 |
OSCILLATOR DEVICE FOR TIMEPIECE MECHANISMS
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3401279 |
Low speed-high torque motor
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3398303 |
Plural armature bidirectional stepper
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3351788 |
Apparatus for mechanically converting the oscillating movement of an electro-mechanical oscillator
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3324366 |
Tuned reed motors
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3308361 |
Electromagnetic vibrator
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3272998 |
Vibrator motor for electric shaver
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3263105 |
Vibratory motors
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3206891 |
Magnetically actuated toy vehicle and roadbed with coil
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3204133 |
Electric reciprocating drive with motion conversion
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3156835 |
Bidirectional stepping motor
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3144571 |
Electromagnetic motor having oppositely oscillating armatures
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3142188 |
Stepping device
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3098940 |
Ratchet and pawl drive magnetic motor
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