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4882702 |
Programmable controller with I/O expansion module located in one of I/O module positions for communication with outside I/O modules
The capacity of programmable controllers with a processor module and I/O modules connected in a single equipment rack is expanded by connecting an I/O expansion module in one of the positions...
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4879644 |
Object positioning apparatus and method
Apparatus and method are provided for automatically controlling the position of one or more objects. The apparatus comprises a position control network which receives macro-type movement commands...
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4878002 |
Multi-axis DSP-based parallel processing servo controller for machine tools and robots
A multi-axis Digital Signal Processor based servo controller system in which all servo and sensor interface boards are connected to a common backplane bus system enabling inter-board communication,...
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4873431 |
Recording apparatus with optical fiber cable interconnecting microcomputers
A control system for controlling a recording apparatus having a plurality of microcomputers, each microcomputer being formed in a single package. Each package includes an optical interface having a...
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4825376 |
Controller for glass sheet processing system
A controller for use in connection with a central control for a glass sheet processing system including an operator interface and a master computer, the controller including a slave computer, a...
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4819149 |
Distributed control system
A hierarchical distributive control system is disclosed. The lowest level of the system is a stand alone controller with hot plug in capability, which can accept either analog or digital signals,...
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4805085 |
Digital control system for electronic apparatus
A digital control system for electronic apparatus employs an internal bus system and includes at least one master controller and a plurality of operational circuits connected via control bus lines...
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4803613 |
Decentralized master-slave control apparatus
A control apparatus for controlling a controlled object including controlled elements comprises a host processor, a plurality of slave modules and a communication network for providing...
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4787024 |
Interface system for simulated display instruments in a vehicle simulator
A flight simulator includes a host computer 10 coupled to serial buses 13 by master-interface circuits 12, each of which is a serial bus master controller. Each bus 13 is coupled to a number of...
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4787040 |
Display system for automotive vehicle
An advanced display system controller is described for use in automotive vehicles. The controller has electronic circuitry to allow it to be programmed to display monochrome or color graphics and...
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4779093 |
Bus interface with programmable window for data transfer
A bus interface system for communicating between a master bus interface and a plurality of slave bus interfaces includes a plurality of lines extending between the master unit and each of the slave...
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4754427 |
Linking system for programmable controller
In a programmable controller linking system, a plurality of programmable controllers are connected to one master controller and sequences of the programmable controllers are programmed using...
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4752867 |
Control circuitry for electric drives
A control system is provided for a hydraulic actuating system having a multi-phase stepping motor with a driver therefor which supplies and controls DC current through each of the motor windings...
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4752868 |
Remote master-slave control method
A remote master-slave control method uses a single command line from a master instrument to a slave instrument. Commands executed at the master instrument are transmitted to the slave instrument...
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4745744 |
Power transmission
An electrohydraulic system which includes a plurality of electrohydraulic devices individually controlled by microprocessor-based control electronics. A central controller for coordinating...
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4740882 |
Slave processor for controlling environments
A slave processor for controlling environments has a microprocessor coupled to digital inputs and outputs, to an analog-to-digital convertor connected to analog outputs, to an interface connected,...
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4731733 |
Device for positioning several units that can be moved adjacent to and at a constant distance from one another
A device for positioning several units that can be moved adjacent to and at a constant distance from one another, each unit having a distance-traveled detector associated with its drive mechanism...
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4730256 |
Electronic control apparatus including microcomputers for controlling some of the systems found in a vehicle
An electronic control apparatus for use in vehicles comprised of two, one-chip microcomputers. The microcomputers each have a ROM and a RAM and are used to control different systems provided in the...
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4721448 |
Pelletizer with moisture control system
A moisture control system is provided for a pelletizing process wherein the moisture content of the pellets leaving the pelletizing process is constantly monitored and differences between the...
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4716516 |
Modular machine tool controller
A modular general-purpose machine tool controller having a system processor and a plurality of machine-tool position control elements which receive sensor signals from machine tool transducers and...
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4707778 |
Controller for heat power plant
A master controller receives a load demand and a plurality of plant data from a heat power plant and outputs command signals on at least two of an electric power, a feed water flow rate, a fuel...
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4700292 |
Interface circuit arrangement for transferring data from a master processor to a slave processor
Two identical processors of a communication system, operating in master-slave relationship, each have a mass memory, a working memory, a CPU and an interface interlinked by an internal bus, the two...
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4665509 |
Semiconductor memory device comprising address holding flip-flop
This invention relates to a semiconductor memory having flip-flops which hold the address input in order to absorb skew thereof within the same chip. The flip-flops are connected to be of the...
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4641243 |
Computer-controlled interlocking system for a railway installation
A computer-controlled interlocking system for a railway installation which comprises a plurality of sections, each of which sections has an associated plurality of elements, comprises a plurality...
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4636934 |
Well valve control system
An electro/hydraulic system for controlling remotely located valves or other types of hydraulically powered equipment. The electrical system uses multiple microprocessors to send, validate, and...
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4633720 |
Load monitoring system for progressive dies
A press control system monitors and is responsive to the loads associated with individual die stations in a progressive die. The system detects chipped, dull, or excessively loaded portions of the...
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4628478 |
Remote data controller for a communication system
The communications system may include wireless two-way communications equipment having selectable functions and various operational features. Control modules each include mechanisms for providing...
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4626984 |
Remote computer control for irrigation systems
A remote computer system for controlling a plurality of irrigation systems, each of which has a local controller for controlling an individual system, includes an intelligent remote unit associated...
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4608575 |
Computer controlled multi-tasking ink jet printing system
A computer controlled ink jet printing system for printing messages in dot matrix format on objects such as cartons or the like as they move along conveyor lines past printing stations, and which...
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4598379 |
Control system of an automatic vending machine
At least two microcomputers are provided for the controlling operation of an automatic vending machine, which are connected by signal wires of a number selected from one to four with respect to...
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4591967 |
Distributed drum emulating programmable controller system
Master units and slave units are preferably housed in identical housings. Each master unit comprises a Central Intelligence Unit (CIU) which in turn comprises a drum processor and a communications...
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4580232 |
Single point microprocessor reset
The present invention is the designation of one of the processors in the system as the master processor with the roll of resetting the other processors after a software crash. When a system...
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4535401 |
Apparatus and method for providing power from master controller to subcontrollers and data communication therebetween
An apparatus having a two wire system for providing both power and data communication between a master controller and at least one subcontroller. The master controller can also be connected through...
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4527071 |
Modular power plant for the combined production of electrical and thermal energy and installation comprising a plurality of modular power plants
A modular power plant comprises an internal combustion engine coupled to an electrical machine. The electrical machine may be used to start the engine and to generate electrical energy. The power...
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4507735 |
Method and apparatus for monitoring and controlling well drilling parameters
A mud logging system for receiving and displaying conditions measured during the drilling of a well includes a plurality of units for receiving and processing signals from sensors responsive to the...
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4497019 |
Programmable control system for controlling at least two parameters in a predetermined sequence using both analog and digital control signals
A method and apparatus for controlling a work function, such as, for example, welding, requiring the control of at least one parameter according to a predetermined sequence, the apparatus including...
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4494060 |
Axis controller for robotic actuator
A control for a robotic actuator employs a position processor to determine the phase of a pair of electrooptically generated position signals as well as to keep track of the number of whole cycles...
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4467412 |
Slave processor with clock controlled by internal ROM & master processor
A graphical display of a video game is provided with "first person views" of game play, by generation of simulated three-dimensional perspectives. A slave computational unit relieves a master...
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4459655 |
Control system for a machine or for an installation
A control system comprises several slave modules each operative to control a specific function and a master module operative to control all the slave modules. Each slave module comprises a...
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4432064 |
Apparatus for monitoring a plurality of operations
An apparatus for monitoring a plurality of operations, particularly on an offshore drilling rig, comprises a portable housing, a plurality of dedicated monitoring units associated with the housing,...
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4424559 |
Modular instrumentation for monitoring and control of biochemical processes
A modular instrumentation system for monitoring and control of biochemical processes, and in particular of fermentation processes is provided. The system includes a plurality of function monitoring...
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4421468 |
Foam molding machine
Foam molding apparatus, including a rotatable table, a plurality of molds disposed on the table, a device for heating and cooling each of the molds, a device being fixed in place relative to the...
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4380698 |
Multiprocessor control bus
A control arrangement for a multifunction appliance such as a cooking appliance wherein the control activity is distributed among a plurality of microprocessor based control circuits. In the...
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RE31044 |
Traffic coordinator for arterial traffic system
A traffic coordinator is disclosed which utilizes a master unit and a plurality of secondary units wherein the secondary units are positioned at artery cross streets for controlling the main artery...
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4347564 |
Hierarchical-structure plant control system
Sub-loop controllers arranged around a microprocessor are assigned to operation terminals to be controlled, and connected to a master controller and a host computer through a system bus to be...
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4304001 |
Industrial control system with interconnected remotely located computer control units
A control system for controlling an industrial process includes a plurality of remotely located process control units (remotes) each coupled to an associated input/output device(s) and adapted to...
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4288849 |
Machine tool control systems
A machine tool control system includes a numerical control device associated with each machine tool and an interface unit interposed between each machine tool and the numerical control device. The...
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4283773 |
Programmable master controller communicating with plural controllers
A data communications system having a programmable master controller including memory means and command byte generating means and a plurality of additional controllers providing input data bytes to...
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4281379 |
Computer driven control system for a numerically controlled machine tool
A control system for a numerically controlled (NC) machine tool which includes a direct access, time sharing, general purpose host computer located remotely from the location of the machine tool,...
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4262336 |
Multi-axis contouring control system
In a numerically controlled machine includes a first computer which stores command data for a path and derives sets of interpolation point data from said command data for a plurality of points...
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