U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Scalable multimedia platform architecture

Patent 5335321 Issued on August 2, 1994. Estimated Expiration Date: Icon_subject June 19, 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

Electronic game having intelligent game pieces
Patent #: 5190285
Issued on: 03/02/1993
Inventor: Levy, et al.

Multimedia interface and method for computer system Patent #: 5208745
Issued on: 05/04/1993
Inventor: Quentin, et al.

Inventors

Application

No. 901383 filed on 06/19/1992

US Classes:

345/503, Coprocessor (e.g., graphic accelerator)345/204DISPLAY DRIVING CONTROL CIRCUITRY

Examiners

Primary: Shaw, Dale M.
Assistant: Tung, Kee M.

Attorney, Agent or Firm

International Class

G06F 015/20

Abstract

The scalable platform architecture of the present video processing system invention includes a bus for transmitting data between various video processing subsystems. A graphics processing subsystem is coupled to the bus. A central processing unit is coupled to the bus and performs video processing. The graphics processing subsystem is adapted to receive a video memory and to perform video processing when the video memory is received. The bus is provided with expansion connectors for detachably coupling to a video processing subsystem and a video capture system. The addition of the video processing subsystem and/or video capture subsystem accelerates the processing of the video processing system by performing video processing that would otherwise be performed by the central processing unit.

Other References

  • "Programmable Compact Disk Picture Memory and Video Processing System" by Hildering et al. IEEE Transactions on Consumer Elect. vol. 34, No. 3 Aug. 1988
  • IBM-TDB "Multiport Serial Communications Controller with Dual-Port RAM Interface" vol. 29. No. 3 Aug. 1986
  • IEEE Computer Graphics and Applications, 11(1991) May. "Window Clipping Methods in Graphics Accelerators" by David Pinedo pp. 75-8
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