Patents for G05D 3 - Control of position or direction (13,741)
10/1976
10/26/1976US3988657 Inductive device for precisely positioning a movable member
10/12/1976US3986088 A. C. motor control apparatus and method
10/12/1976US3986087 A.C. motor control apparatus and method
10/12/1976US3986007 Method and apparatus for calibrating mechanical-visual part manipulating system
10/05/1976US3984677 Photo-electric conversion element and a method for detecting object image visibility employing the same and also a device therefor
10/05/1976US3984006 Automatic assembly control system
10/05/1976US3983961 Transducer for servomechanisms
09/1976
09/21/1976US3982124 Electro-optical feedback signal producing apparatus
08/1976
08/31/1976US3978387 Analog signal comparator
08/31/1976US3977223 Hot strip mill tension control
08/17/1976US3974699 Angular position sensing and control system, apparatus and method
08/10/1976US3974374 Device for positioning and punching platemaking films
08/03/1976US3972432 Method for rotationally positioning a welded steel pipe in response to a seam section thereof and an apparatus for positioning the same
07/1976
07/20/1976US3970910 Weld tracking mechanism
07/20/1976US3970845 Pulse discriminator circuit
07/13/1976US3969664 Monitor systems
06/1976
06/29/1976US3967110 Automatic focusing system
06/29/1976US3967109 Automatic focusing system
06/29/1976US3967108 Automatic focusing system
06/15/1976US3964094 Servo information pattern for rotating head magnetic tape unit independent of amplitude
06/15/1976US3963970 Control circuit for servo-motors
06/08/1976US3962663 Inductive position determining device
05/1976
05/18/1976US3958179 Wide band ac modulated control networks
05/11/1976US3956680 Electric copying control device for chip removing machine tools
04/1976
04/27/1976US3953774 Control method of a DC motor
04/13/1976US3949696 Marine steering arrangement
04/13/1976US3949582 Positioning servo and controlled mechanism
03/1976
03/30/1976US3947689 Automatic system for precise collimation of radiation
03/16/1976US3944902 Point by point positioning apparatus
02/1976
02/24/1976US3940677 Direct-current stepping motor drive system
02/24/1976US3940676 Damping control for positioning apparatus
02/24/1976US3939742 Method and apparatus for automatically cutting fabrics and the like
02/17/1976US3939389 Positioning control apparatus
02/10/1976US3938016 Actuator position control
02/03/1976US3936649 Method and apparatus for use in position determining
01/1976
01/27/1976US3935524 Circuit arrangement for detecting voltage differences
01/27/1976US3935523 Non-minimum phase linear controller for hydraulic mechanisms
01/20/1976US3934187 Device for the accurate positioning of an object holder in relation to the elements of a particle-type optical system, and a particle-type optical system equipped with said device
01/20/1976US3932962 Control apparatus for a machine for grinding the edges of a workpiece
01/13/1976US3932703 Image motion and change transducers and systems controlled thereby
01/06/1976US3931531 Overlapped signal transition counter