| Patents for G05D 3 - Control of position or direction (13,741) |
|---|
| 05/23/1978 | US4091294 A.C. motor control apparatus and method |
| 05/16/1978 | US4090070 Solar pointer |
| 05/16/1978 | US4089494 Reduced servo noise control for a hydraulic actuator |
| 05/09/1978 | US4088938 Electronic apparatus for positioning and using AC motors |
| 05/02/1978 | US4087731 Control system for moving a large machine along a single axis |
| 05/02/1978 | US4087729 Position finely adjusting apparatus |
| 05/02/1978 | US4087728 Adjustable stroke electric motor using stroke adjusting linkage means |
| 04/25/1978 | US4086518 On demand fluid pump |
| 04/25/1978 | US4085890 Position detecting system |
| 04/18/1978 | US4085427 Transducer positioning system |
| 04/11/1978 | US4084121 Solid state repeater for three wire synchro with selectable phase and frequency adjustment |
| 04/04/1978 | US4081963 Control circuit for a servo-motor |
| 03/28/1978 | US4081774 Actuating device |
| 03/28/1978 | US4081671 Photoelectric line follower |
| 03/28/1978 | US4081033 Slope control system |
| 03/21/1978 | US4079902 Aircraft control surface actuator |
| 03/14/1978 | US4079299 Positioning control means for motor driven rotary tap changer |
| 03/07/1978 | US4078198 Apparatus for repeating the same process |
| 03/07/1978 | US4077738 Time modulated position controller |
| 02/21/1978 | US4074794 Height indicator and control for fork lift trucks |
| 02/14/1978 | US4074177 Methods and apparatus for automatic movement of a member to precisely indexed positions despite signal drift or offset |
| 02/14/1978 | US4074085 Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks |
| 02/14/1978 | US4073247 Automatic machines |
| 02/07/1978 | US4072990 Servo positioning system for data storage apparatus |
| 02/07/1978 | US4072886 Apparatus for remote control of antenna rotators |
| 02/07/1978 | US4072883 Bi-directional motor drive servo |
| 01/31/1978 | US4071886 Self-adjusting regulation system |
| 01/24/1978 | USRE29525 Digital radio control |
| 01/10/1978 | US4068269 Positioning system for data storage apparatus and record medium for use therewith |
| 01/10/1978 | US4068267 Magnetic disk storage apparatus in which servo track zone provides signals for both moving speed and position of transducer |
| 01/03/1978 | US4066946 Servo systems |
| 12/27/1977 | US4064945 Electronic depth control system |
| 12/13/1977 | US4063142 Servo system for trip recorder |
| 12/06/1977 | US4060903 Compensation of errors in incremental measuring or positioning instruments |
| 11/22/1977 | US4059789 Phase-sensitive transducer apparatus with signal offset means |
| 11/15/1977 | US4058756 Bidirectional channel skipping tuner drive system with single pole programming switch |
| 11/15/1977 | US4058158 Regenerative air preheaters and seal frame suspension control system therefor |
| 11/08/1977 | US4057347 Optical exposure apparatus |
| 11/01/1977 | US4056763 Device for controlling a mechanical element with effort return |
| 10/25/1977 | US4055788 Motor control circuit |
| 10/18/1977 | US4054825 Control arrangements |
| 10/18/1977 | US4054824 Wire bonding unit using infra-red ray detector |
| 10/18/1977 | US4054823 Control apparatus for manufacturing systems |
| 10/18/1977 | US4054820 Servo system |
| 10/11/1977 | US4052793 Method of obtaining proper probe alignment in a multiple contact environment |
| 09/27/1977 | US4051423 Servo system with feedback signal compensation |
| 09/27/1977 | US4050256 Mine roof support control systems |
| 09/20/1977 | US4050002 Feedback signal generator for a servo control circuit |
| 09/06/1977 | US4047086 Phase-sensitive transducer apparatus |
| 08/30/1977 | US4044838 Automatic control for ripper tool |
| 08/16/1977 | US4042869 Backlash compensation |
| 08/16/1977 | US4042868 Stepper motor control apparatus |
| 08/02/1977 | US4038723 Method of and an arrangement for standardizing comber slivers |
| 07/26/1977 | US4038588 Precision amplitude control system for a high q torsion pendulum |
| 07/12/1977 | US4035843 Magnetic recording system |
| 07/12/1977 | US4035707 Reversible mechanical remote-control device |
| 07/05/1977 | US4034276 Digital signal processor for servo velocity control |
| 07/05/1977 | US4033525 Feedback PDM encoder and method for actuating a pneumatic actuator with a digital autopilot |
| 06/28/1977 | US4032984 Transducer positioning system for providing both coarse and fine positioning |
| 06/28/1977 | US4032982 Adaptive voltage control of motor in an incrementing magnetic tape transport |
| 06/28/1977 | US4032826 Circuit arrangement for phase-alignment of a servo drive for a rotary system |
| 06/21/1977 | US4031447 Improved control system for energizing a stepping motor |
| 06/21/1977 | US4031444 Solar collector control system |
| 06/07/1977 | US4028604 Servo-motor control system |
| 06/07/1977 | US4028599 Method of controlling an A.C. motor |
| 05/24/1977 | US4025839 Device for an accurate control of final positioning and follow-up of a displaceable member with respect to a reference |
| 05/24/1977 | US4025837 Adaptive control circuit for a stepping motor |
| 05/17/1977 | US4023660 Follow-up servo systems for clutches |
| 05/10/1977 | US4023085 Numerical control system having a digitized phase loop |
| 05/10/1977 | US4022307 Device for driving a transfer beam |
| 05/03/1977 | US4021714 Servo system employing a tracking digital angle encoder |
| 05/03/1977 | US4021711 Article positioner with zero position sensing means |
| 05/03/1977 | US4021031 Web alignment system |
| 04/26/1977 | US4020458 Light signalling device for bicycles and switch therefor |
| 04/26/1977 | US4020433 Release type electromagnetic device |
| 04/12/1977 | US4017056 Servo control system for electro-hydraulic inlet valves |
| 04/12/1977 | US4016722 Safety blow-out protection for fluid actuators |
| 04/05/1977 | US4016471 Level detection system having a band-pass characteristic and a servo system including the same |
| 04/05/1977 | US4016470 Electrical centering and boring system for transducers |
| 03/15/1977 | US4012112 Microscope stage positioning system |
| 03/08/1977 | US4011490 Apparatus for immobilizing a working shaft at a predetermined angular position |
| 02/08/1977 | US4007380 Control of chokes |
| 02/08/1977 | US4007361 Adaptive control system using position feedback |
| 02/01/1977 | US4006394 Coarse and fine control for position servo |
| 02/01/1977 | US4006392 Electronic sliding door |
| 02/01/1977 | US4006391 Linearized pulse width modulator |
| 01/25/1977 | US4005260 Device for reading a disk-shaped record carrier with time base correction |
| 01/25/1977 | US4004574 Solar energy concentrating and collecting arrangement with sun-follower and solar energy sensing power control and method |
| 01/11/1977 | US4002958 AC output power control system |
| 01/04/1977 | US4001645 Die press control apparatus |
| 12/28/1976 | US4000449 Electrical shaft system |
| 12/21/1976 | US3998616 Attenuation, measurement; apparatusglass |
| 12/21/1976 | US3998369 Device for accurately positioning a flexible strip with respect to an image |
| 12/14/1976 | US3997828 Copy-repeater arrangement and method of adjusting the same |
| 12/14/1976 | US3997065 Device for positioning substrate wafers |
| 11/30/1976 | US3995267 Digital to analog converter with system gain insensitivity |
| 11/30/1976 | US3995208 Control circuit |
| 11/16/1976 | US3991636 Control apparatus for a machine for cutting a workpiece |
| 11/09/1976 | US3990798 Method and apparatus for aligning mask and wafer |
| 10/26/1976 | US3988659 Meridian seeking instrument |