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7368887 |
Servo control device and method of adjusting servo system
A servo control device that displays, by a two-dimensional image, evaluation of control precision of a servo system, includes: an instruction unit that instructs a position instruction having...
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5990586 |
Multi-actuator having position controller
Feedback potentiometer-type servoactuator uses the ring gear of a planetary gear system to drive the wiper across a resistive arc of less than 360° where the actuator has a travel of multiple...
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5214364 |
Microprocessor-based antenna rotor controller
Apparatus and method for automatically controlling the rotation of an angularly positionable antenna from one angular position to a desired new angular position. The disclosed technique provides...
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4680522 |
Radiation path axis directing system
A radiation path directing system, such as sighting means 10, (FIG. 1) has an imaging detector (not shown) below the apparatus has a field of view centered on a sightline deflected from the...
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4403181 |
Control system for stopping spindle at predetermined rotational position
A system for stopping a spindle, which is provided in a machine tool, in such a manner that a specified point on the spindle is stopped at a predetermined rotational position. The system includes...
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4291262 |
Servo positioning apparatus
While a motor shaft (13) is moving from a previous position to a present command position, the number of steps between the present command position and a new command position is calculated. After...
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4263539 |
Automatic antenna positioning apparatus
Apparatus for rotating an antenna to a predetermined position and maintaining said position is disclosed. The system comprises an antenna position sensing signal source, a desired position signal...
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4138633 |
Position control apparatus for circular tables
An angular position control apparatus for a machine tool circular table comprises a circuit for discriminating whether a command from a command register is such that the output from an absolute...
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4131840 |
Circuit arrangement for setting a rotatable type carrier over the shortest path of rotation
A circuit arrangement is provided for setting a type carrier, having character types arranged on the periphery thereof, from a present setting position to a new setting position over the shortest...
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3826964 |
DIGITAL SERVO CONTROLLER
A system for generating a signal for controlling the rotation of a shaft supporting an antenna so that the antenna is rotated the shortest angular distance from a present angular position to a new...
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3760170 |
METHOD AND APPARATUS FOR AUTOMATIC CONTROL
The position Y of one member relative to the position Z of a second member is controlled in accordance with a pre-recorded schedule such that Y = f(Z) where Z is subject to independent control and...
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3731171 |
DIRECT CURRENT SERVO MECHANISM
The control characteristics of potentiometers driven by the input and output shafts are compared and imbalance therebetween utilized to drive the output shaft motor in a direction to restore the...
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3644892 |
RANDOM SELECTION POSITIONING CONTROL SYSTEM HAVING MULTIDIGIT CONTROL SIGNALS
A random selection positioning control is shown in which discrete positions for an object such as a photographic slide carrier may be commanded in a random manner from any one of several input...
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3614765 |
QUOTATION BOARD SYSTEM
A quotation board system for the display of prices of stocks, commodities and the like wherein messages are transferred from a central location to individual quotation board locations. Different...
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3569815 |
SERVO DRIVEN TURRET DIRECTION DETERMINATION CONTROL FOR NUMERICAL CONTROL SYSTEM
A numerical control system for a numerically controlled endless recirculated and reversible machine tool of the rotatable turret type having a plurality of discrete working positions. The numerical...
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3211977 |
Rebalance servo control system
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3155889 |
Minor arc selecting positional servo system
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3061782 |
Servo system
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2938154 |
Forbidden rotation reversing, position control servosystem
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2864044 |
Servo system directional bearing converter
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2827602 |
Shaft positioning device
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2786169 |
Follow-up system
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