Resources Contact Us Home
Display station having universal module for interface with different single loop controllers

Image Number 3 for United States Patent #4180860.

A universal module serves as the basis for creating a plurality of different embodiments of electrical display stations. The universal module is adapted to be connected to remotely located process control instrumentation from which it may receive and to which it may transmit analog and digital signals. The different embodiments are created by connecting to the universal module a selected combination of components such as status indicators, switches and signal adjusting devices. The universal module includes a micro-processor system having a central processing unit, a clock circuit and a non-volatile type of program storage unit with an address provided for each different embodiment. An embodiment selector provides the interconnection between the components connected to an embodiment and the circuits of the universal module and activates the address for the embodiment. The micro-processor system provides reference frequency and control signals which control the energization of the electrical display panel to display thereon the amplitude of signals in a selected variety of modes. The micro-processor system also performs all of the other functions prescribed for an embodiment such as controlling analog and digital multiplexing operations, controlling analog to digital and digital to analog conversions, routing of signals to status indicators, performing computations involving signals and the like.

  Recently Added Patents
Molecular sieve
System and method for providing radio communication in a land mobile radio system
Methods and systems to reduce a number of simulations in a timing analysis
Apparatus and method for sterilizing vessel with electron beam
System and method for interactive image-based modeling of curved surfaces using single-view and multi-view feature curves
Method and system for remote delivery of email
Continuous geospatial tracking system and method
  Randomly Featured Patents
Power converter and control for microturbine
Catalyst and method of preparation
Inhibitors of prenyl-protein transferase
Control device for hydraulic transmission vehicle
Social network based user-initiated review and purchase related information and advertising
Multimedia data storage system and method for operating a media server as a cache device and controlling a volume of data in the media server based on user-defined parameters
Speed optimizing positioning system for a marine drive unit
Back gate and basket for cart
Truss aligning system
Method and apparatus for imaging of scenes having large intensity variance