Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7990597 | Actuator, optical scanner, and image forming device An actuator includes: a first oscillatory system including a frame-shaped driving member and a pair of first axial members holding the driving member from both ends so as to allow the driving member to rotate around an X-axis; a second oscillatory system including a... | 08/02/2011 |
| 7965001 | Drive control device for oscillator, drive control method for ocillator, and manufacturing method for oscillator To drive an oscillator always at a stable and constant oscillation even if frequency and amplitude of a power supply voltage differ depending on a delivery destination of the oscillator, an oscillator drive control device (10), which generates a predetermined... | 06/21/2011 |
| 7948124 | Electro-magnetic kinetic energy harvesting device using increased magnetic edge area An energy harvesting apparatus comprising: a substrate; two magnets coupled to the substrate in close proximity to each other with like magnetic poles facing each other creating a flux gap; a coil coupled to the substrate and disposed within the flux gap, wherein th... | 05/24/2011 |
| 7919889 | Oscillator device, optical deflector and optical instrument using the same An oscillator device includes an oscillator, a resilient support member configured to support the oscillator for oscillatory motion about an oscillation central axis, a magnetic member provided on the oscillator, and a magnetic-field generating member disposed oppos... | 04/05/2011 |
| 7902698 | Method of fabricating a micro-electro-mechanical apparatus for generating power responsive to mechanical vibration A method for fabricating a monolithic micro-generator comprising: fabricating a plurality of magnet layer elements by preparing a semiconductor substrate surface to define: a plurality of coil layer recesses, a plurality of magnet wells, a plurality of integral comp... | 03/08/2011 |
| 7894113 | Actuator, optical scanner, and image forming device An actuator includes: a first oscillatory system including a frame-shaped driving member and a pair of first axial members holding the driving member from both ends so as to allow the driving member to rotate around an X-axis; a second oscillatory system including a... | 02/22/2011 |
| 7876003 | Resonant actuator for a personal care appliance having a programmable actuation capability The drive system for a personal care appliance, such as a toothbrush, includes a first opposing pair of permanent magnet assemblies positioned longitudinally along the length of the internal surface of a cylindrical appliance housing, each first permanent magnet ass... | 01/25/2011 |
| 7872380 | Apparatus and method for generating rotary oscillations An apparatus and method for generating rotary oscillation with two shafts pivotable relative to each other. An end section of a first shaft is accommodated in an end section of a second shaft so as to form an air gap. One of the two shafts has a magnetic field gener... | 01/18/2011 |
| 7817318 | Oscillating system and optical deflector Disclosed is an oscillating system arranged so that a gravity center of a movable member and a torsional axis of a resilient support are easily registered with each other to prevent deformation of the movable member due to its dead weight or deviation of deformation... | 10/19/2010 |
| 7786626 | Oscillating motor for a personal care appliance 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 portion of the personal care appliance and flexure elements are connected betw... | 08/31/2010 |
| 7755227 | Vibration generator A vibration generator is provided. The vibration generator comprising a case having a hollow inside and a lower plate. A first vibrator is disposed away from the lower plate of the case and supported by first elastic member fixed to the lower plate. A second vibrato... | 07/13/2010 |
| 7732952 | Oscillatory motors and devices incorporating them An oscillatory device incorporating a limited angle torque motor capable of oscillating one or more end effector(s) is provided. The device may additionally incorporate an ultrasound transducer and/or a waveguide structure. ... | 06/08/2010 |
| 7724411 | 2-axis driving electromagnetic scanner A 2-axis driving electromagnetic scanner, having a structure in which a mirror is separated from a driving unit and directly driven, is provided. The electromagnetic scanner includes: an outer driving unit which is capable of rotating around a first axis; an inner d... | 05/25/2010 |
| 7692340 | Apparatus for generating power responsive to mechanical vibration A vibrational energy harvesting apparatus comprising: a substrate having a plurality of integral compliant regions; at least two ferromagnetic masses each coupled to a corresponding one or more of the integral compliant regions such that at least one of the ferromag... | 04/06/2010 |
| 7688490 | Actuator, optical scanner, and image forming device An actuator includes: a first oscillatory system including a frame-shaped driving member and a pair of first axial members holding the driving member from both ends so as to allow the driving member to rotate around an X-axis; a second oscillatory system including a... | 03/30/2010 |
| 7679229 | Relieving stress in a flexure A flexure includes a shaped sheet of material having a middle portion coupled to a magnet, an end portion, and a corner portion between the end portion and the middle portion, the corner portion including a curve with a concave curvature relative to a point of view ... | 03/16/2010 |
| 7675203 | Electric drive unit for generating an oscillating displacement An electric drive unit for generating an oscillating movement, having a stator, a rotor, a torsion element and a tuning element. The tuning element acts upon the torsion element and serves to mechanically tune the resonant frequency of the drive unit. ... | 03/09/2010 |
| 7629714 | Rocking actuator and laser machining apparatus A rocking actuator and a laser machining apparatus which can suppress a temperature rise of a permanent magnet in a moving-magnet actuator. Even when a steerable mirror is positioned by rapid and continuous motions, highly reliable machining can be performed without... | 12/08/2009 |
| 7554225 | Electric motor with a coil arrangement for providing oscillatory linear and rotational movement An electric motor for a small-scale electrical appliance, such as a toothbrush or shaver. The electric motor includes at least one oscillatory motor component, a magnet arrangement having at least one permanent magnet, and a coil for generating a magnetic field whic... | 06/30/2009 |
| 7501726 | Micro-electro-mechanical system (MEMS) and apparatus for generating power responsive to mechanical vibration A micro-electro-mechanical system (MEMS) power generator employing a plurality of magnetic masses disposed to oscillate on spring elements in a manner that produces an unusually steep flux gradient at one or more conductive coils, thereby harvesting a substantial po... | 03/10/2009 |
| 7495358 | Vibratory linear actuator and electric toothbrush using the same A vibratory linear actuator according to one embodiment of the present invention is comprised of a stator having a through hole therein and a winding wire therearound, a movable member having a through hole therein and a member made of a magnetic material, said mova... | 02/24/2009 |
| 7443059 | Linear actuator for both vibrating and rolling movement and electric toothbrush using the same The linear actuator for both vibrating and rolling movement according to one preferred embodiment of the present invention is comprised of a shaft supported so as to be movable reciprocally in an axis direction and a rotation direction about the axis, a first linear... | 10/28/2008 |
| 7443060 | Acoustic compressor with two resonators A resonator of an acoustic compressor is provided at each side of an actuator so that the two resonators are arranged side by side. Two pistons are provided at the inner ends of the resonators and actuated by the actuator. At the outer end of the each of the resonat... | 10/28/2008 |
| 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 magnetic conductor and a second magnetic conductor. The first and the seco... | 10/21/2008 |
| 7436094 | Rotary actuator A rotary actuator has a stator having plural permanent magnets 1a and 1b; a rotor having a rotor core 3 which plural salient poles 3a and 3b are formed at, and one or more rotor coils 5 are wound ... | 10/14/2008 |
| RE40503 | Hybrid rotary actuator A rotary actuator (16) includes a rotor (48) which is disposed in a housing (34) between first and second pole pieces (42 and 44) of a stator (40). The rotor (48) is rotatable relative to the stator (48) betwee... | 09/16/2008 |
| 7420449 | Mirror actuating device for projection systems A magnetic actuator utilizes a single magnet and two voice coils to rotate a mirror between two angular positions with respect to a rest state. A magnetic field assembly applies magnetic flux across the voice coils. An upper plate and a lower plate are held together... | 09/02/2008 |
| 7411321 | Electromagnetic engine An electromagnetic engine has inner and outer rotors having magnets of opposite polarity mounted thereon. Output is taken from the inner rotor, which is free to unidirectionally rotate. The outer rotor is caused to oscillate, the force of magnetic repulsion between ... | 08/12/2008 |
| 7408690 | Actuator, optical scanner, and image forming apparatus An actuator includes a frame-shaped first mass portion; a supporting portion that supports the first mass portion and takes the shape of a frame so as to surround a perimeter of the first mass portion; a pair of first elastic portions coupling between the first mass... | 08/05/2008 |
| 7402922 | Acoustic wave generating apparatus and method A tactile wave generating apparatus and method to generate amplified low frequency waves which are then transmitted as tactile waves into a structure and/or to a persons anatomy. There is a housing in which is positioned a drive section that in turn comprises a magn... | 07/22/2008 |
| 7369288 | Micromechanical optical element having a reflective surface as well as its use By way of example, it would also be possible to dispense in a manner which is not illustrated with the spring elements 2, and then for the element 1 to carry out an oscillating translational deflection. Micromechanical optical elements have a reflectiv... | 05/06/2008 |
| 7365613 | Method of determining resonant frequency A method for operating a torsion oscillator at its resonant frequency. The method performs an open-loop frequency sweep starting with nominal operation parameters saved from the factory or from a previous operation of the torsion oscillator. The sweep determines an ... | 04/29/2008 |
| 7358633 | Linear vibration motor using resonance frequency A linear vibration motor comprising a movable unit, a base assembly having a coil assembly, a housing and an elastic member, in which the movable unit has the maximum mass from a fixed housing volume. The elastic member has the outer periphery fixed to the ceiling o... | 04/15/2008 |
| 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 section (12) supported for swing motion by ... | 04/08/2008 |
| 7334338 | Reciprocatory dry shaver A reciprocatory dry shaver has a shaving head carrying an outer cutter, and an inner cutter. An actuator is mounted in the shaving head for driving the inner cutter. The actuator includes an oscillator which carries a joint for driving connection to the inner cutter... | 02/26/2008 |
| 7332825 | System and method for controlling a power generating system This invention overcomes the disadvantages of the prior art by providing a power generating system particularly suitable for field use in remote locations, which is fuel-efficient, relatively quiet, tolerant of dust, capable of operating on low grade logistics and d... | 02/19/2008 |
| 7324655 | Electroacoustic transducer A small earphone or headphone which can produce a wide band acoustic output from a low-pitched tone to a high-pitched tone and can generate a body-sensitive vibration independent output or a body-sensitive vibration output synchronized with a music. The earphone or ... | 01/29/2008 |
| 7312550 | Architecture for electric machine In one aspect, an alternator is described which includes a current control apparatus including a stator winding and a control winding, wherein current control in the control winding regulates the stator winding. In another aspect, a gas turbine engine includes a mul... | 12/25/2007 |
| 7312919 | Wide field of view and high speed scanning microscopy A wide field of view scanning microscope includes a light source, a light detector, optics, a scanning assembly, a translation system, and a data collection control and processing unit. The scanning assembly is constructed to provide from the light source a light be... | 12/25/2007 |
| 7309933 | Vibrator for acting on an object in a predetermined direction and apparatus for producing concrete blocks The invention relates to a vibrator for acting on an object in a predetermined direction, comprising a casing and two identical, synchronously driven, electric linear motor coils arranged mirror-symmetrically therein, between which coils there is an armature which c... | 12/18/2007 |
