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Integrated circuit computing device comprising a dynamically configurable gate array having a microprocessor and reconfigurable instruction execution means and method therefor

Patent 5361373 Issued on November 1, 1994. Estimated Expiration Date: Icon_subject December 11, 2012. 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

Variable function programmed calculator
Patent #: 4290121
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Inventor: Boone ,   et al.

Computing system with multifunctional arithmetic logic unit in single integrated circuit
Patent #: 4503511
Issued on: 03/05/1985
Inventor: Vandierendonck

Dynamically reprogrammable array logic system
Patent #: 4578771
Issued on: 03/25/1986
Inventor: O'Hara, Jr.

Current source which saves power in programmable logic array circuitry
Patent #: 4645953
Issued on: 02/24/1987
Inventor: Wong

Dynamically reconfigurable array logic
Patent #: 4791603
Issued on: 12/13/1988
Inventor: Henry

Writable logic array
Patent #: 4796229
Issued on: 01/03/1989
Inventor: Greer, Jr. ,   et al.

Programmable integrated circuit micro-sequencer device
Patent #: 4831573
Issued on: 05/16/1989
Inventor: Norman

Configurable electrical circuit having configurable logic elements and configurable interconnects
Patent #: 4870302
Issued on: 09/26/1989
Inventor: Freeman

Programmable logic array having a changeable logic structure
Patent #: 4876466
Issued on: 10/24/1989
Inventor: Kondou, et al.

Switching array with concurrent marking capability
Patent #: 4879551
Issued on: 11/07/1989
Inventor: Georgiou, et al.

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Inventor

Application

No. 989236 filed on 12/11/1992

US Classes:

712/1PROCESSING ARCHITECTURE

Examiners

Primary: Bowler, Alyssa H.
Assistant: Harrity, John

Attorney, Agent or Firm

International Class

G06F 015/31

Abstract

An integrated circuit computing device is comprised of a dynamically configurable Field Programmable Gate Array (FPGA). This gate array is configured to implement a RISC processor and a Reconfigurable Instruction Execution Unit. Since the FPGA can be dynamically reconfigured, the Reconfigurable Instruction Execution Unit can be dynamically changed to implement complex operations in hardware rather than in time-consuming software routines. This feature allows the computing device to operate at speeds that are orders of magnitude greater than traditional RISC or CISC counterparts. In addition, the programmability of the computing device makes it very flexible and hence, ideally suited to handle a large number of very complex and different applications.

Other References

  • Maya Gokhale et al., "Building and Using a Highly Parallel Programmable Logic Array," Supercomputing Research Center, Jan. 1991
  • Jeffrey M. Arnold et al., "Splash 2," Supercomputing Research Center, 1992
  • Hung-Cheng Hsieh et al., "Third-Generation Architecture Boosts Speed and Density of Field-Programmable Gate Arrays," IEEE 1990 Custom Integrated Circuits Conference
  • N. Howard et al., "Reconfigurable Logic: Technology and Applications," Computing and Engineering Journal, Sep. 1992, pp. 235-240
  • S. Monaghan et al., "Reconfigurable Special Purpose Hardware for Scientific Computation and Simulation," Computing and Control Engineering Journal, Sep. 1992, pp. 225-23
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