Patents
Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676)
03/1999
03/11/1999WO1998055748A3 Device for controlling an electromechanical setting device
03/09/1999US5880904 Disk drive having a thickness equal to an IC memory card
03/09/1999US5880452 Laser based PCMCIA data collection system with automatic triggering for portable applications and method of use
03/04/1999WO1999010969A1 Electromagnetic actuator with two mobile parts in phase opposition
03/04/1999WO1999010687A1 Synchronous twin reciprocating piston apparatus
03/03/1999CN2309608Y Operating mechanism for permanent-magnet switch
02/1999
02/17/1999EP0896716A1 Pwm/linear driver for disk drive voice coil actuator
02/10/1999CN2307399Y Magnetic vibrator linear electric motor
02/09/1999US5870219 Ultra compact scanning system for a wide range of speeds, angles and field depth
02/03/1999EP0754364A4 Fluid bearing with compliant linkage for centering reciprocating bodies
01/1999
01/27/1999CN1206240A Centre-of-gravity motion increased flat coreless vibrating motor
01/26/1999US5864128 Method for scanning a bar code target
01/19/1999US5861686 Device for generating waking vibrations or sounds
01/14/1999WO1999001600A1 Warp knitting loom, in particular crochet galloon machine
01/07/1999EP0608368A4 Electro-optical scanning system.
12/1998
12/30/1998EP0887813A2 Double coil actuator
12/29/1998US5854521 Multi-phase transverse magnetic flux machine
12/23/1998EP0829129B1 Electromagnetic actuator magnetically locked into two or more stable positions
12/23/1998CN1202714A Permanent magnet switch operating mechanism
12/15/1998CA2142886C Electromagnetic transducer
12/10/1998WO1998056097A1 Single coil bistable, bidirectional micromechanical actuator
12/10/1998WO1998055748A2 Device for controlling an electromechanical setting device
12/10/1998DE19723931A1 Einrichtung zum Steuern eines elektromechanischen Stellgeräts Means for controlling an electromechanical actuating device
12/02/1998CN2299419Y Linear magnetic potential driver
12/02/1998CN1200592A Linear motor structure for linear compressor
11/1998
11/25/1998EP0879498A1 Linear electromagnetic actuator with two rotors vibrating in antiphase
11/25/1998CN2298615Y Pole shoe close jointed oscillating motor
11/25/1998CN1199951A Linear motor and reciprocating compressor including the same
11/24/1998CA2159495C Swing-type actuator
11/24/1998CA2151048C Linear electrodynamic machine and method of making and using same
11/18/1998EP0878048A1 Electromotive device for rotating a shaft
11/18/1998EP0878014A1 Magnet support sleeve for linear electromechanical transducer
11/18/1998CN1199273A Reciprocating magnetic power generator-electric motor
11/18/1998CN1040822C Electromagnetic transducer
11/17/1998US5838515 PWM/linear driver for disk drive voice coil actuator
11/12/1998WO1998050999A1 Dual-directional field coil actuator
11/10/1998US5835308 Integrally molded disk device actuator with ground path
11/10/1998US5834864 Magnetic micro-mover
11/10/1998US5834863 Electromagnetic actuators
11/10/1998US5833440 Linear motor arrangement for a reciprocating pump system
11/10/1998US5833211 Magnetically-powered valve
11/05/1998DE19818950A1 Magnet fixing structure for compressor motor
11/04/1998EP0763274B1 Method for operating an adjusting apparatus and means for adjusting a positional device
11/04/1998CN1198034A Magnet fixed structure for compressor motor
11/03/1998US5831261 For actuating a light beam scanning device
10/1998
10/27/1998US5828521 Arm unit for hard disk drive
10/27/1998US5828503 Driving device and optical apparatus having the same
10/21/1998EP0872009A1 One-piece magnet return path assembly for a disk drive actuator
10/21/1998CN2295294Y 电磁驱动装置 Electromagnetic drive means
10/20/1998US5825270 Electromagnetic solenoid
10/15/1998DE19816201A1 Electric oscillation motor
10/14/1998EP0870923A1 Electromagnetic piston engine
10/14/1998EP0701744B1 Electromagnetic actuator with rotary core
10/13/1998US5822156 Magnetic circuit of a coil motor
10/13/1998US5821657 Electromagnetic vibratory feeder with rare earth magnet
10/08/1998WO1998044571A1 Adjusting operating characteristics of micromachined torsional oscillators
10/06/1998US5818131 Linear motor compressor and its application in cooling system
09/1998
09/30/1998EP0867718A2 Focal type electromagnetic acoustic transducer and flaw detection system and method
09/29/1998US5814907 Electromagnetic force motor with internal eddy current damping
09/29/1998US5813234 Double acting pulse tube electroacoustic system
09/23/1998EP0835378A4 Fuel injection apparatus
09/15/1998US5808384 Single coil bistable, bidirectional micromechanical actuator
09/15/1998US5808302 Fine positioning apparatus with atomic resolution
09/08/1998US5804933 Method for operating an adjusting apparatus and means for adjusting a positional device
09/03/1998WO1998038723A1 Method of converting electrical energy into mechanical energy of rotating shaft and method of producing mechanical energy of rotating shaft
09/03/1998WO1998038439A1 Fluid impact absorber
09/03/1998DE19805455A1 Electromagnetic actuator with electromagnet
09/03/1998DE19803896A1 Electromagnetic actuator with fluidic damping action
09/02/1998CN2290148Y 磁力振子电动装置 Magnetic electric vibrator device
09/02/1998CN1192080A Drive controlling method for linear vibration motor
08/1998
08/27/1998DE19707654A1 Motor pump aggregate with linear drive for hydraulic braking system for vehicle
08/26/1998EP0860933A2 Linear vibration motor and method for controlling vibration thereof
08/26/1998CN2289344Y DC straight-line driver
08/25/1998US5798582 For use with an electrical power source
08/24/1998CA2199072A1 Non-linear spring system for vibrating equipment
08/19/1998EP0859394A1 Starter contactor for motor vehicule having perfectionate protection means of electronic circuit
08/19/1998EP0859139A2 Throttle valve control device
08/19/1998CN1190712A Throttle valve controller
08/18/1998US5795437 Friction welding device
08/13/1998WO1998035165A1 Motors, and bearings therefor
08/05/1998EP0856854A2 Electromagnetic actuators
08/04/1998US5787587 Vibrator motor
07/1998
07/23/1998DE19735838A1 Modified oscillating coil for installation in loudspeaker
07/14/1998US5779455 Device for guiding and centering a machine component
07/08/1998EP0710408B1 Linear magnetic actuator
07/07/1998US5778133 Nonimaging light collector
06/1998
06/23/1998US5770913 Actuators, motors and wheelless autonomous robots using vibratory transducer drivers
06/17/1998EP0848481A2 Adjusting device with electrie motor
06/17/1998EP0847613A1 Electric motor
06/17/1998CN2284470Y General rail magnetic suspension linear motor
06/16/1998US5768395 Double ended field coil actuator
06/02/1998US5760501 Compression driver motor structure
05/1998
05/26/1998US5757093 Electromagnetically powered engine
05/26/1998US5757092 Vibratory drive unit
05/26/1998CA2057978C Friction welder having an electromagnetic drive which produces orbital motion
05/20/1998EP0739449B1 Device for guiding and centring a machine component
05/19/1998US5753985 Electric motor with oscillating rotary output and controlled amplitude
05/12/1998US5751075 Magnet assembly for linear motor
05/07/1998WO1998019383A1 Vibration generator
05/05/1998CA2078870C Electromagnetic actuator
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