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Patent Searching and Data


Matches 851 - 900 out of 10,910

Document Document Title
WO/2008/060600A3
This magnetic voice-coil shutter drive actuation system for an optical shutter having an aperture with at least one shutter blade includes an actuator operating to open/close the shutter blade when moved in opposing directions, and a mov...  
WO/2008/086732A1
An electric machine device comprises solenoid coils (11,18), a U-shaped magnet (12), a connecting rod (13), a crankshaft (15), a phase sensor (19), bearings (14,16,17) and a shell (1). The magnet (12) is provided inside the solenoid coil...  
WO/2008/084964A1
The present invention relates to a linear motor for a linear compressor reciprocating a moving member linearly inside a stationary member to compress refrigerant, and more particularly, to a linear motor for a linear compressor capable o...  
WO/2008/084131A1
The subject matter of the invention is an engine consisting of, at least, one cylinder with a piston reciprocating therein and transmitting the pull-push motion to a connecting rod which converts same into rotation, wherein the piston is...  
WO/2008/084964A2
The present invention relates to a linear motor for a linear compressor reciprocating a moving member linearly inside a stationary member to compress refrigerant, and more particularly, to a linear motor for a linear compressor capable o...  
WO/2008/081790A1
An electric-electronic toothbrush having a vibration brush and causing an electric current for promoting plaque removal to flow in an oral cavity. The toothbrush has a shaft vibrating in the direction of and around its axis and also has ...  
WO/2008/060599A3
This magnetic direct drive shutter actuation system for an optical shutter with an aperture and shutter blades has blades rigidly connected via a pivot to a permanent magnet or magnets. This magnet or magnets have magnetic axes parallel ...  
WO/2008/077454A1
The invention relates to a drive device for driving a brush element (5) of an electric toothbrush. Said drive device comprises a first drive component (25) for generating a magnetic field and a second drive component (26) which can be dr...  
WO/2008/078608A1
An electromagnetic actuator (1) having an excitation coil (40), a stator (10) excited to have a different polarities when an electric current is applied to the coil (40), a rotor (20) magnetized in polarities different in the circumferen...  
WO2008036142A8
A motor/generator comprising a magnetic structure configured to generate a compressed magnetic field, an electrical conductive winding and a magnetic conductive winding configured to focus magnetic flux in the electrical conductive windi...  
WO/2008/072892A1
Disclosed is a lens driving apparatus. The lens driving apparatus lens driving apparatus includes a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the fi...  
WO/2008/066973A2
An electro-magnetic reciprocating engine and method for converting an internal combustion engine to an electro-magnetic reciprocating engine wherein a ferrite magnet (40) is secured to the top of each piston (20) reciprocally disposed in...  
WO/2008/064754A2
The invention relates to an actuator, in particular a linear drive, and installation or machine. A first part of the actuator comprises at least one toroidal winding that can be energized and a second part of the actuator comprises at le...  
WO2007135682B1
Methods for manufacturing actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the appa...  
WO/2008/063019A1
Disclosed is a lens driving apparatus. The lens driving apparatus comprises a base, a yoke coupled to the base, having an upper surface formed with a hole, a closed side surface, and an opened bottom surface, a bobbin movably installed i...  
WO/2008/058436A1
An electric reciprocating motion device comprises a casing (7), a mounting bracket (4) disposed within the casing (7), a motor (1) and its power supply (9) mounted and fixed on the mounting bracket (4), and a motion head (6) connected wi...  
WO/2008/060600A2
This magnetic voice-coil shutter drive actuation system for an optical shutter having an aperture with at least one shutter blade includes an actuator operating to open/close the shutter blade when moved in opposing directions, and a mov...  
WO/2008/060599A2
This magnetic direct drive shutter actuation system for an optical shutter with an aperture and shutter blades has blades rigidly connected via a pivot to a permanent magnet or magnets. This magnet or magnets have magnetic axes parallel ...  
WO/2008/055866A1
A reciprocating rotary motor comprises a primary part having at least one multi-phase coil package in the shape of a cylindrical hollow body, a secondary part having a permanent magnet at least some sections of which are arranged inside ...  
WO/2008/058030A2
The motor includes an E-core stator assembly with a source of alternating current and an armature portion mounted to be responsive to the stator to oscillate back and forth through an arc of a selected angle. A mounting member is fixed t...  
WO/2008/046849A1
A reversing linear drive comprises at least one excitation coil (8) that can be applied with current for generating an alternating magnetic field, a magnetic armature (10) movable in the alternating field between a first and a second rev...  
WO/2008/002414A3
A magnetic structure configured to generate an unbalanced magnetic field. The magnetic structure may be advantageously employed in electro-mechanical and electro-magnetic devices.  
WO/2007/135682A3
Methods for manufacturing actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the appa...  
WO2007143692A9
A contact system for energizing an electromagnetic engine includes a fixed first contact set connected to an electrical power source and having an axial face and a first electrical connector disposed on at least a portion of the axial fa...  
WO/2008/036142A1
A motor/generator comprising a magnetic structure configured to generate a compressed magnetic field, an electrical conductive winding and a magnetic conductive winding configured to focus magnetic flux in the electrical conductive windi...  
WO/2007/124548A3
The invention relates to an electromagnetic engine. In the first variant, the inventive engine comprises electric magnets, one of which (1) is rigidly fixed to the body (6) and is connected to a power supply, whilst the other magnet (2) ...  
WO2007135678B1
Direct digital speaker apparatus receiving a digital input signal and generating sound accordingly, the apparatus comprising an array of pressure-producing elements and a controller operative to compute a timing pattern determining if an...  
WO/2008/020102A1
On a pair of end supports (1-1') there is provided a horizontal shaft (2) on which in turn there are provided an intermediate fixed magnet(3) and two movable lateral magnets (4-5), the latter being displaceable against respective springs...  
WO/2008/019753A1
A magnetic drive uses only one permanent magnet and two oscillating coils in order to alternate a mirror, in relation to a rest state, between two angular positions. A magnetic-field component allows magnetic flux to act on the oscillati...  
WO/2008/021144A2
A micro electromechanical actuator 130 as described herein comprises a support layer 101 and at least one movable comb 110 moun resiliently on the support layer. Each movable comb 110 has a plurality of substantially parallel movable fin...  
WO/2007/143692A3
A contact system for energizing an electromagnetic engine includes a fixed first contact set connected to an electrical power source and having an axial face and a first electrical connector disposed on at least a portion of the axial fa...  
WO/2007/070022A3
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 a cantilevered arm (24). Vibration of t...  
WO2006099979A8
An electromagnetic vibrator for use in a portable communication device (90) comprising a housing (20,30,40,50,60,70,80) comprising a track directed in a first dimension, a coiling (22,82) comprising at least one coil turn, oriented in a ...  
WO2007135681B1
Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the apparatus comprising at least ...  
WO2007135680B1
Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the apparatus comprising at least ...  
WO/2007/135678A3
Direct digital speaker apparatus receiving a digital input signal and generating sound accordingly, the apparatus comprising an array of pressure-producing elements and a controller operative to compute a timing pattern determining if an...  
WO/2008/005821A2
An electromagnetic vibrator (Figure 2) has a movable magnet (20) that can move linearly in an axial direction. A field coil (28a, 28b) surrounds the movable magnet. Magnetic bumpers (26a, 26bO are disposed on opposite ends of the vibrato...  
WO/2008/002414A2
A magnetic structure configured to generate an unbalanced magnetic field. The magnetic structure may be advantageously employed in electro-mechanical and electro-magnetic devices.  
WO/2007/148664A1
[PROBLEMS] To provide an actuator, which has excellent responsiveness with a simple constitution, and furthermore, detects an inclination angle of a controlling object at a high accuracy. [MEANS FOR SOLVING PROBLEMS] When a current is ap...  
WO/2007/143692A2
A contact system for energizing an electromagnetic engine includes a fixed first contact set connected to an electrical power source and having an axial face and a first electrical connector disposed on at least a portion of the axial fa...  
WO/2006/076067A3
An electromagnetic engine (100) has an inner rotor (114) and an outer rotor (112) having magnets (120) of opposite polarity mounted thereon. Output is taken from the inner rotor (114), which is free to rotate in a single direction. The o...  
WO/2007/139136A1
[PROBLEMS] An actuator mounting a mirror at the tip of a supporting shaft in which the supporting shaft tilts while centering on one rotary fulcrum at all times and rotation around the supporting shaft is prevented. [MEANS FOR SOLVING PR...  
WO/2007/137459A1
A vibrating mirror motor includes a stator, a rotor rotating relative to the stator and a position feedback device for feedbacking the rotational position of the rotor. The position feedback device is a grating encoder. With the above co...  
WO/2007/135678A2
Direct digital speaker apparatus receiving a digital input signal and generating sound accordingly, the apparatus comprising an array of pressure-producing elements and a controller operative to compute a timing pattern determining if an...  
WO/2007/135680A1
Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the apparatus comprising at least ...  
WO/2007/135681A1
Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the apparatus comprising at least ...  
WO/2007/133013A1
Disclosed is a motor for driving lenses. The motor includes a case, a yoke fixed in the case, a magnet fixed in the yoke, a carrier equipped with lenses and installed in the magnet such that the carrier moves up and down within the magne...  
WO/2007/125904A1
[PROBLEMS] A two-axis actuator that is of low cost and small-sized, where undesired vibration modes are suppressed, and whose movable section is stably driven. [MEANS FOR SOLVING PROBLEMS] The two-axis actuator has a stationary section (...  
WO/2007/111229A1
An electromagnetic actuator reciprocating in a plunger, miniaturizable, manufacturable at low cost, and enabling flattening and increase of thrust. The electromagnetic actuator comprises a yoke (130), a coil (180) disposed around the yok...  
WO/2007/110578A1
An electromagnetic transducer apparatus (10) includes a core (30, 31) providing a pair of yokes (34, 35) between which there is an air gap (38, 39), at least one coil (32) disposed about the core (30, 31), an armature (14) moveable in th...  

Matches 851 - 900 out of 10,910