Bizarre Patents
A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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 |
| 7361910 | Movable stage apparatus A movable stage apparatus includes a reticle stage on which a reflecting reticle is to be mounted, in which when a space is divided by a plane including a reflection surface of the reticle, a guide surface to guide movement of the master reticle stage is arranged in... | 04/22/2008 |
| 7362014 | Method and arrangement for operating a magnetically levitated vehicle The invention relates to a method and an arrangement for operating a magnetically levitated vehicle by means of an arrangement having at least one long-stator linear motor. The linear motors are sub-divided longitudinally of a track into individual motor regions (A | 04/22/2008 |
| 7362003 | Coil switching circuit for linear electric generator In a linear electric generator (LEG) which includes apparatus for passing a permanent magnetic assembly (PMA) along linearly disposed sections of coils of an induction coil assembly (ICA) for generating voltages and power, a switching arrangement for coupling only s... | 04/22/2008 |
| 7362522 | Lens barrel A lens barrel, including plural lens units for zooming and focusing a subject, an actuating section for moving at least one of the plural lens units, and a housing section for house the plural lens units and the actuating section, wherein the actuating section inclu... | 04/22/2008 |
| 7362012 | Ironcore linear brushless DC motor with reduced detent force A linear brushless DC motor is disclosed which provides reduced detent force by way of a stack that features end teeth that are formed to be wedge shaped, and which has a length in the direction of motion which is approximately equal to (Np+½) × pole pi... | 04/22/2008 |
| 7357128 | Closed loop defined profile current controller for electromagnetic rail gun applications A closed loop current controller for an electromagnetic rail gun. It is necessary to control the muzzle velocity of a rail gun accurately for the gun to be a good artillery device. The present invention provides a closed loop control system to accurately regulate th... | 04/15/2008 |
| 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 |
| 7359032 | Lithographic apparatus and device manufacturing method A lithographic projection apparatus is disclosed. The apparatus includes a radiation system for providing a beam of radiation, a first support structure for supporting a patterning device, a second support structure for supporting a substrate, and a projection syste... | 04/15/2008 |
| 7359037 | Drive for reticle-masking blade stage A method, apparatus, and system for controlling a reticle-masking blade in a photolithography system. A reticle-masking blade is supported with a reticle-masking blade carriage assembly. The reticle-masking blade carriage assembly is levitated at a position with res... | 04/15/2008 |
| 7356922 | Method of fabricating a rate gyroscope and accelerometer multisensor Three magnetic substrates are provided, the first substrate forms the rotor and the other two form the outer stator. A series of spaced concentric grooves and spaced spiral grooves are formed in the central region of both faces of the first substrate. A hole is plac... | 04/15/2008 |
| 7359159 | Actuator for hard disk drive having a reinforced structure An actuator of a hard disk drive moving a magnetic head to a predetermined position on a disk to record and read out data on and from the disk, including a suspension supporting a slider on which the magnetic head is mounted, an actuator arm having a pivot hole form... | 04/15/2008 |
| 7355501 | Evaluation device and vibration damper for a racket A device for contact-less measurement of distances (10, 20) in multiple directions of an electrically conductive body (2, 22) comprises a plurality of inductive elements (1, 4, 7). At least one (1) of the plurality of inductive elements (1, 4... | 04/08/2008 |
| 7355308 | Mover combination with two circulation flows A circulation system (330) for a mover (328) includes a fluid source (360) that directs a first fluid (356) into a first inlet (364A) of the mover (328) and a second fluid (358) into a second inlet (366A) of th... | 04/08/2008 |
| 7355293 | Wave power assembly with an electromagnetic dampning means A wave power assembly comprising a hull and a linear electric generator. The rotor is connected to the hull and the stator is arranged to be anchored at a sea/lake bottom. The generator is provided with an electromagnetic damping means in order to keep the pulsation... | 04/08/2008 |
| 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 |
| 7352268 | High intensity radial field magnetic actuator At least one set of two magnets is provided, at least one of the magnets having an outer magnet portion, a middle magnet portion, and an inner magnet portion. The outer magnet portion has a magnetization pointing in an at least partially axial direction. The middle ... | 04/01/2008 |
| 7352092 | Integrated motor and controller assemblies for horizontal axis washing machines A horizontal axis washing machine includes an integrated motor and controller assembly. The controller is mounted to the electric motor with the controller positioned under a tub of the washing machine. The tub provides drip protection for the controller during oper... | 04/01/2008 |
| 7352142 | Apparatus and method for controlling stroke of reciprocating compressor An apparatus for controlling an operation of a reciprocating compressor includes a voltage detecting unit for detecting a positive half-wave voltage of an AC voltage applied to a motor of the reciprocating compressor; a current detecting unit for detecting a positiv... | 04/01/2008 |
| 7352149 | Method for controlling the position of a movable object, a positioning system, and a lithographic apparatus A method of actuating a movable object in a first degree of freedom includes a) providing a first motor assembly including one or more motors of a first type and a second motor assembly including one or more motors of a second type, each of the first and second moto... | 04/01/2008 |
| 7352088 | Linear electrodynamic system and method An exemplary description provided for patent searches includes a linear electrodynamic system for conversion of mechanical motion into electrical power or conversion of electrical power into mechanical motion involving advantageous use of magnetic material positione... | 04/01/2008 |
| 7348694 | Electromagnetic actuator In an electromagnetic actuator including a bearing member which slidably supports a variable core, a yoke for retaining a coil assembly by cooperation with a bottom wall of a housing is connected to the housing, and the bearing member is fitted into the yoke. A supp... | 03/25/2008 |
| 7348695 | Linear motor, moving stage system, exposure apparatus, and device manufacturing method A linear motor includes a coil and a plurality of magnets disposed along a central axis of the coil. The magnetization directions of the plurality of magnets have different tilts with respect to the central axis. ... | 03/25/2008 |
| 7348693 | Vibration wave linear motor In a vibration wave linear motor, a coupled driving contacting parts are respectively provided on the top and the bottom of a vibrator unit, and 2 upper and lower guide shafts which contact concave parts of the coupled driving contacting parts are supported by erect... | 03/25/2008 |
| 7348691 | Magnetic levitation apparatus A magnetic levitation apparatus supports a magnetic element in a magnetic field. A control system controls a variable magnetic field to maintain the magnetic element at an equilibrium location relative to an unstable axis. In some embodiments the variable magnetic f... | 03/25/2008 |
| 7348752 | Stage apparatus and lithographic apparatus A stage apparatus and a lithographic apparatus comprising such a stage apparatus are described. The stage apparatus includes an electromagnetic motor arranged to displace an object table, an electromagnetic actuator configured to position the object table and a devi... | 03/25/2008 |
| 7348692 | Linear compressor A linear compressor comprises an external casing forming a compressing chamber, an outer core disposed in the external casing, an inner core assembly disposed inside of the outer core interacting with the outer core, and wherein the inner core assembly comprises an ... | 03/25/2008 |
| 7345384 | Linear motor armature and linear motor In a linear motor, a can has a two-layer structure including an inner can 2 and an outer can 3, and an inner passage 7 formed between an armature winding 9 and the inner can 2 and an outer passage 8 formed between the inner ... | 03/18/2008 |
| 7342347 | Piezomotor with a guide The present invention relates to a drive system comprising at least one motor with at least one vibration generator each as well as at least one resonator each and a device driven by said motor, wherein the resonator comprises a contact area that cooperates with the... | 03/11/2008 |
| 7339298 | Compliant motor driven variable electrical device A motor driven electrical device includes: a variable electrical device having a rotational variable control; a first support plate positioned above the variable electrical device; a motor support plate pliably attached to the first support plate using a pliable sep... | 03/04/2008 |
| 7339294 | Vehicular starting and charging rotary electric machine A vehicular starting and charging rotary electric machine includes a rotor, a stator, brackets, a brush, and a rotation detection sensor. The rotor has a field winding. The stator has a stator winding. The brackets supports the rotor and the stator. One end of the b... | 03/04/2008 |
| 7339290 | Linear motor There is provided a linear motor in which the number of armature windings can be reduced, and an armature iron core can be readily fixed to a member for supporting the armature iron core. Each of three inductors 1A to 1C is so arranged that a tooth row... | 03/04/2008 |
| 7339289 | Synchronous permanent magnet planar motor According to the invention, configurations of X-windings and Y-windings in a synchronous permanent planar motor are improved, X-windings and Y-windings overlap in the direction normal to the planar magnet array and distribute on the entire surface of the thrust core... | 03/04/2008 |
| 7336007 | System and method to control a rotary-linear actuator A system and method are disclosed for controlling an integrated rotary-linear actuator system that may be coupled to a network via a network interface. The integrated rotary-linear actuator system includes a control system and a rotary-linear actuator having a movea... | 02/26/2008 |
| 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 |
| 7336006 | Magnetic actuator with reduced magnetic flux leakage and haptic sense presenting device A magnetic actuator, comprising a magnet, mutually opposite magnetic poles thereof being arranged opposing each other, and a coil, at least one portion thereof being inserted between the corresponding magnetic poles, wherein a driving force for the coil is generated... | 02/26/2008 |
| 7333180 | Positioning apparatus and exposure apparatus using the same A positioning apparatus including a coarse motion stage, a first moving mechanism to move the coarse motion stage with a large stroke, a fine motion stage, and a second moving mechanism to move the fine motion stage with a small stroke relative to the coarse motion ... | 02/19/2008 |
| 7331924 | Endoscope apparatus having electric bending endoscope An electric bending endoscope apparatus includes an electric bending endoscope, a bending control device for controlling a bending direction and the amount of bending of a bending portion based on a bending instructing signal outputted from a portion for instructing... | 02/19/2008 |
| 7332836 | Guide bar drive in a knitting machine Guide bar drive in a knitting machine and method of driving guide bar. The drive includes a linear motor composed of a stator and a rotor, in which the linear motor is greater in height than width. The stator has a length in a longitudinal direction and includes at ... | 02/19/2008 |
| 7332839 | Electric machine having a laminated core with a portion jutting from the outer surface to form a gap for a flux sensor An electric machine includes a stator and a rotor interacting with the stator, wherein the stator and/or the rotor has/have a conducting device for guiding a magnetic flux. The conducting device includes a gap which is provided in a path of the magnetic flux, and a ... | 02/19/2008 |
| 7329971 | Voice coil-type linear motor with cooling function A voice coil type linear motor with a cooling function. A closed magnetic circuit formed into the θ-shape, by an inner yoke provided between a pair of outer yokes made up of magnetic materials arranged in parallel with a longitudinal center axis in such a manner as... | 02/12/2008 |
