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Method of communication between processors in a distributed processing system having a host processor and at least one object oriented processor

Patent 5774721 Issued on June 30, 1998. Estimated Expiration Date: Icon_subject September 8, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Method for controlling execution of host computer application programs through a second computer by establishing relevant parameters having variable time of occurrence and context
Patent #: 5228137
Issued on: 07/13/1993
Inventor: Kleinerman, et al.

Telecommunication system protocol for asynchronous data communication between multiport switch control processor and information support personal computer terminal
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Communication protocol for handling arbitrarily varying data strides in a distributed processing environment
Patent #: 5440687
Issued on: 08/08/1995
Inventor: Coleman, et al.

Distributed processing system for modules, each having modularized objects
Patent #: 5519875
Issued on: 05/21/1996
Inventor: Yokoyama, et al.

Network intermediate system with message passing architecture
Patent #: 5592622
Issued on: 01/07/1997
Inventor: Isfeld, et al.

Interactive computer network and method of operation
Patent #: 5594910
Issued on: 01/14/1997
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Distributed processing systems having a host processor and at least two object oriented processors which communicate directly with each other Patent #: 5634070
Issued on: 05/27/1997
Inventor: Robinson

Inventor

Assignee

Application

No. 525475 filed on 09/08/1995

US Classes:

719/315, Object oriented message709/201, DISTRIBUTED DATA PROCESSING712/28, Distributed processing system719/328, APPLICATION PROGRAM INTERFACE (API)719/329Data transfer between application windows

Examiners

Primary: Oberley, Alvin E.
Assistant: Banankhah, Majid A.

Attorney, Agent or Firm

International Class

G06F 015/163

Abstract

Distributed processing systems having a host processor and at least one object oriented processor are disclosed. An object oriented processor according to the invention has a communications interface, an intelligent message handler, and a task-specific functionality. The communications interface is coupled to a host processor via a message based communications link. A high level command language is provided which is easily implemented in a host processor program. The command language includes subsets of commands which are understood by different object oriented processors having different functionality. According to one embodiment, the object oriented processor includes support for a broad array of input and output devices. The command language includes high level commands for initializing, reading from and/or writing to the peripherals supported by the object oriented processor. According to another embodiment, the object oriented processor of the invention is addressable and several object oriented processors having similar functionality can be coupled to a single host via the same comms link. According to yet another embodiment, an object oriented processor according to the invention further includes a linking table and a periodic message generator which allows one object oriented processor to communicate directly with another object oriented processor without supervision by the host processor.

Other References

  • "CAN controlling from cars to X-rays" by McLaughlin, undated
  • Lonworks Products Motorola Master Selection Guide Revision 7, 2nd quarter 1994 pp. 2.6-2 through 2.6-7
  • "Intel i960 RP sports PCI-to-PCI bridge", by Wirbel, EE Times, Jun. 19, 199
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