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Class Information
Number: 318/617
Name: Electricity: motive power systems > Positional servo systems (e.g., servomechanisms) > With stabilizing features (e.g., anti-hunting, damping) > By auxiliary feedback loop > Rate feedback > Variable rate feedback
Description: Subject matter in which the rate sensing circuit is made variable to further enhance the stabilizing effect.
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Date Issued |
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| 5274312 |
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| 5272424 |
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| 5184055 |
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| 5063337 |
Electric motor regulation to obtain desired speed curve |
Nov. 5, 1991 |
| 4990840 |
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Feb. 5, 1991 |
| 4777418 |
Motor control method and apparatus |
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| 4673852 |
Device for the electric low-voltage driving of a rotatable mass having high inertia and a motor which is part of said device |
Jun. 16, 1987 |
| 4664685 |
Linear drive motor control in a cryogenic refrigerator |
May. 12, 1987 |
| 4609855 |
Adaptive servomotor control |
Sep. 2, 1986 |
| 4562562 |
Tracking system for controlling the radial positioning of a transducer on a disc medium |
Dec. 31, 1985 |
| 4517503 |
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May. 14, 1985 |
| 4498037 |
Velocity servo controller |
Feb. 5, 1985 |
| 4491776 |
Servo operated digital positioning control system |
Jan. 1, 1985 |
| 4488098 |
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Dec. 11, 1984 |
| 4473786 |
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| 4395904 |
Device for damping oscillations |
Aug. 2, 1983 |
| 4386300 |
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May. 31, 1983 |
| 4353017 |
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Oct. 5, 1982 |
| 4342379 |
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| 4305481 |
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| 4300663 |
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| 4300662 |
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Nov. 17, 1981 |
| 4280083 |
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Jul. 21, 1981 |
| 4242622 |
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Dec. 30, 1980 |
| 4215403 |
Active suspensions for vehicles |
Jul. 29, 1980 |
| 4135217 |
Utilization of stored run-out information in a track following servo system |
Jan. 16, 1979 |
| 4099112 |
Method and means for seeking magnetic tracks |
Jul. 4, 1978 |
| 4031443 |
Apparatus for positionally controlling a movable head assembly |
Jun. 21, 1977 |
| 4030132 |
Dual mode velocity servo control for a linear actuator motor |
Jun. 14, 1977 |
| 4016396 |
Precision tool and workpiece positioning apparatus |
Apr. 5, 1977 |
| 3940672 |
Tape recording and playback control circuit |
Feb. 24, 1976 |
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