Patents
Patents for G05D 19 - Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase (1,310)
10/1989
10/25/1989EP0338933A1 Active magnetically suspended vibration device controlled in three axes
10/18/1989EP0337040A1 Device for compensating a vibrational force or a vibrational torque created by a body
09/1989
09/19/1989US4868709 Electromagnetic drive circuit
08/1989
08/29/1989US4860816 Control system for vibratory apparatus
08/23/1989EP0328623A1 Servo loop control for a coriolis rate sensor dither drive
08/02/1989EP0325908A1 Vibrating fiber optic display
07/1989
07/25/1989US4850261 Non-contacting electro-pneumatic servo for vibration isolation
07/04/1989US4844320 Control system and method for vibration welding
06/1989
06/27/1989US4843294 Solar array stepping to minimize array excitation
06/15/1989DE3740919A1 Device for controlling vibration conveyors
06/14/1989EP0320029A1 Damping device for the backrest roller of a weaving machine
06/07/1989EP0319120A2 Solar array stepping to minimize array excitation
05/1989
05/16/1989US4831370 Vibrating fiber optic display having a resonant ribbon driver
05/10/1989EP0315416A2 Oscillating apparatus for damping vibration
04/1989
04/25/1989US4825332 Electromagnetic driving circuit
04/11/1989US4821205 Seismic isolation system with reaction mass
03/1989
03/29/1989EP0309211A2 Vibration control system
03/29/1989CN2035110U Two-direction adjustable ph value self-balance instrument
03/21/1989US4814680 Servo loop control for a coriolis rate sensor dither drive
03/14/1989US4811835 Vibratory material feeder
02/1989
02/28/1989US4808863 Active control system and method for reducing engine noise and vibration
02/23/1989WO1989001655A1 Servo loop control for a coriolis rate sensor dither drive
02/14/1989US4804131 Process of use of an electroacoustical vibrator device and plant for carrying out this process
02/07/1989US4803413 Magnetic isolating and pointing gimbal apparatus
01/1989
01/10/1989US4796873 Active vibration isolation system
01/03/1989CA1248216A1 Active vibration isolation system
10/1988
10/26/1988CN87216728U Controlling instrument for physical and chemical experiment
09/1988
09/28/1988CN88101201A 电磁驱动电路 Electromagnetic drive circuit
09/20/1988US4772828 Control device supplying optimum power to oscillating drive motor for resonant-piston type compressor unit
09/07/1988CN88101524A Electromagnetic driving circuit
06/1988
06/15/1988EP0270566A1 Shaker table amplifier
06/01/1988DE3640079A1 Apparatus for automatically adapting the working method of vibrators for material compaction to the respective state of the material to be compacted
05/1988
05/25/1988EP0268326A2 Method and apparatus for deploying an electroacoustical vibrator device
05/24/1988US4746143 Vibration control apparatus for vehicles
05/11/1988EP0266835A1 Control device for controlling the power supply to an oscillating motor for driving a compressor unit of the resonant-piston type and compressor unit of the resonant-piston type provided with such a control device
05/11/1988CN87107490A Control device for controlling power supply to oscillating motor for driving compressor unit of resonant-piston type and compressor unit of resonant-piston type provided with such control device
05/10/1988US4742998 Viscous damper
05/04/1988EP0265911A2 Vibration control apparatus
04/1988
04/27/1988EP0265309A1 Vibrator control apparatus
04/12/1988US4737695 Air pump for aquarium
03/1988
03/29/1988US4734846 Apparatus for providing an indication of compaction in vibration compacting machines
03/22/1988US4733151 Load support servomechanism for a shaker apparatus circuit
03/15/1988US4730541 Non contacting electro-pneumatic servo for vibration isolation
02/1988
02/16/1988US4724763 Offset web-fed rotary printing machine
01/1988
01/20/1988EP0253615A2 Magnetic isolating and pointing gimbal apparatus
12/1987
12/29/1987US4716347 Oscillation reducing apparatus for rotary compressor
11/1987
11/11/1987CN86207332U Spring oscillator
11/05/1987WO1987006693A1 Shaker table amplifier
10/1987
10/13/1987US4700148 Shaker table amplifier
08/1987
08/18/1987US4688199 Transducers and control means
08/05/1987EP0230518A2 Method and device for the damping of torsional vibrations of offset rotary presses used in production lines
07/1987
07/02/1987DE3603490C1 Electrical supply and control circuit for an injection gun
06/1987
06/30/1987US4677353 Electro-inductive vibratory monitoring system
05/1987
05/20/1987EP0222329A2 Vibration control apparatus
05/05/1987US4663574 Reactive position detector for electromagnetic vibrators
02/1987
02/25/1987EP0211474A1 Control circuit for the reciprocating movement of a solenoid armature
02/25/1987EP0211173A2 Active vibration isolation system employing electro-rheological fluid
02/10/1987US4642547 Adaptive regulation system for a linear alternator driven by a free-piston stirling engine
01/1987
01/20/1987US4637307 Automatic mechanical resonant frequency detector and driver for shuttle printer mechanism
01/13/1987US4636695 AC/DC electro-magnetic device for aeration pump in fish globe or the like
12/1986
12/02/1986US4626730 Method and apparatus for active control of vibrations
11/1986
11/26/1986EP0202880A2 Seismic Isolation system, including microlithography system for submicron design rule
10/1986
10/07/1986US4615504 Anti-vibration device
10/01/1986EP0195850A2 Active vibration isolation system
08/1986
08/20/1986CN85100017A Self-adapted resonant system
07/1986
07/29/1986CA1208694A1 Controller for electromagnetic exciter using power line subharmonic
04/1986
04/15/1986US4583027 Moving magnet linear motor
03/1986
03/05/1986EP0173435A1 Transducers and control means
01/1986
01/21/1986US4565940 Method and apparatus using a piezoelectric film for active control of vibrations
12/1985
12/18/1985EP0164811A1 Method and system for creating surface waves in a body of liquid
11/1985
11/12/1985US4553074 Method of and apparatus for the autosynchronization of an electromagnetic hammer
10/1985
10/01/1985US4544867 Vibrator for furniture
08/1985
08/27/1985US4537076 Apparatus for and method of random vibration control
06/1985
06/25/1985US4525791 Method and apparatus for reducing vibrations of stationary induction apparatus
05/1985
05/14/1985US4517500 Controller for electromagnetic exciter using power line subharmonic
04/1985
04/23/1985US4512339 Percussor application
03/1985
03/26/1985US4507623 Oscillating device with capacitive displacement pickup
12/1984
12/25/1984US4490654 Control circuit for vibratory devices
12/19/1984EP0128759A2 Control circuit for vibratory devices
08/1984
08/08/1984EP0115185A2 Apparatus for and method of random vibration control
03/1984
03/21/1984EP0032158B1 Vibration controller for vehicle
03/06/1984US4435751 Vibration/noise reduction device for electrical apparatus
02/1984
02/22/1984EP0101389A1 Process and device for the self-synchronised control of an electromagnetic hammer
09/1983
09/27/1983CA1154515A2 Braking method and apparatus for vibratory feeder
09/06/1983US4402527 Vehicle body vibration control apparatus
08/1983
08/02/1983US4395904 Device for damping oscillations
06/1983
06/01/1983EP0080022A1 Oscillating device
02/1983
02/16/1983EP0071947A2 Method and apparatus for reducing vibrations of stationary induction apparatus
12/1982
12/22/1982EP0067548A1 Vibration suppressor
08/1982
08/24/1982US4345559 Apparatus for damping bounce oscillations in an internal combustion engine
05/1982
05/25/1982US4331263 Control unit for use in a vibratory feeder system
05/11/1982CA1123512A1 System for damping vibrations in a deflectable transducer
01/1982
01/13/1982EP0043565A1 Vibration/noise reduction device for electrical apparatus
01/05/1982US4309675 Control circuit for providing a synchronized drive signal to an oscillating system
12/1981
12/01/1981CA1113515A1 Fixed position, fixed frequency pendular type vibration absorber with frequency linearization
11/1981
11/03/1981US4297888 Stability control system for vibration test device
07/1981
07/22/1981EP0032158A1 Vibration controller for vehicle
07/21/1981US4280083 Apparatus for limiting acceleration in a servosystem
05/1981
05/12/1981US4267496 Device for damping oscillations
02/1981
02/05/1981WO1981000237A1 Vibration controller for vehicle
1 ... 3 4 5 6 7 8 9 10 11 12 13 14