Matches 1 - 19 out of 19
Match Document Document Title
7060969 Rotating machine having rotation sensors  
Three rotation sensors circumferentially arranged at 90 degree intervals in a disk code wheel attached to a motor's output shaft respectively output a signal corresponding the rotational speed of...
6759825 Control method and control apparatus for feed system  
The invention concerns a feed system control method and apparatus that can calculate an accurate backlash amount and can accomplish highly precise position control. Position errors are calculated...
5627421 High efficiency drive circuit for an active magnetic bearing system  
A plurality of electromagnetics in an array surround a shaft, with current controlled in the coils of the electromagnets to support the shaft at a desired position approximately centered between...
4116057 Pendulous induction compass transmitter with means to compensate for heading errors in turns due to the vertical component of the Earth's magnetic field and due to two cycle error  
The invention relates to an apparatus for compensating the output of a pendulous induction compass transmitter to eliminate heading errors during turns due to the vertical component of the Earth's...
4114436 "Strapdown" induction compass transmitter with compensation for heading errors due to the vertical component of the Earth's magnetic field and due to two cycle error during turns and during climbing and diving maneuvers  
The invention relates to an apparatus for compensating a "strapdown" induction compass transmitter to eliminate heading errors during turns and during climbing and diving maneuvers which are due to...
4112755 "Strapdown" induction compass transmitter with means to compensate for heading errors during turns and during dives and climbs due to the vertical component of the Earth's magnetic field and due to two cycle error  
The invention relates to an apparatus for compensating a "strapdown" induction compass transmitter to eliminate heading errors during turns, and during climbing and diving maneuvers which are due...
4112754 Pendulous induction compass transmitter including means external to the transmitter to compensate for heading errors in turns due to the vertical component of the Earth's magnetic field and due to two cycle error  
The invention relates to an apparatus for compensating the output signals from a pendulous induction compass transmitter to eliminate heading errors during turns due to the vertical component of...
3870940 Apparatus for compensating two axes gimbal error  
Apparatus for simultaneously compensating pitch and roll gimbal errors in directional gyroscopes for use in navigable craft comprises means responsive to the output signal of the directional...
3784891 MULTIAXES TWO CYCLE GIMBAL ERROR CORRECTOR  
Apparatus for compensating for gimbal error occurring in a directional gyroscopic data transmission system under simultaneous conditions of pitch and roll attitude of the aircraft by the provision...
3719880 SERVO COMPENSATION INCLUDING A NON-LINEAR SYNCHRO TRANSMITTER  
A conventional synchro device; including a rotor, a stator, a three-phase winding and a single phase winding, is modified by the addition of a trim winding which is inductively coupled to the three...
3715646 TRACING FEED RATE STEERING CONTROL  
An improved electronic tracing control for automatically steering the direction of the command feedrate vector to maintain a substantially zero quadrature error.
3571687 METHOD AND APPARATUS FOR PROVIDING ERROR COMPENSATION IN A DATA TRANSMISSION SYSTEM  
In a magnetic azimuth detector system employing a servo transmission network between the input and a remote readout, error correction is provided by inserting correction signals into the servo...
3259822 Gimbal error corrected gyroscopic system  
3234444 Gimbal error compensating system  
3196332 Gyroscopic data transmission system and compensating means therefor  
3189886 Displacement amplifier  
3139572 Means for increasing the accuracy of synchros or the like  
2889508 Apparatus for automatically positioning a movable object  
2814767 Cyclic function modifying circuit  
Matches 1 - 19 out of 19