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For the Inventor, By the Inventor

Boca Raton, FL, United States of America

Darwin P Rackley

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.8

ph-index = 8

Forward Citations = 286(Granted Patents)


Location History:

  • Longmont, CO (US) (1982)
  • Boca Raton, FL (US) (1984 - 1999)

Company Filing History:

goldMedal10 out of 164,275 
 
International Business Machines Corporation
 patents

Years Active: 1982-1999

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10 patents (USPTO):Explore Patents
1. 5872556 - RAM based YUV-RGB conversion (1999-02-16),
2. 5477242 - Display adapter for virtual VGA support in XGA native mode (1995-12-19),
3. 5471570 - Hardware XOR sprite for computer display systems (1995-11-28),
4. 5422995 - Method and means for fast writing of run length coded bit strings into (1995-06-06),
5. 5081450 - Apparatus and method for compressing and expanding multibit digital (1992-01-14),
6. 4901062 - Raster scan digital display system (1990-02-13),
7. 4727362 - Digital display system (1988-02-23),
8. 4580135 - Raster scan display system (1986-04-01),
9. 4476522 - Programmable peripheral processing controller with mode-selectable (1984-10-09),
10. 4342052 - Multiple image facsimile (1982-07-27),

Title: The Innovations of Darwin P. Rackley

Introduction

Darwin P. Rackley is a notable inventor based in Boca Raton, FL (US). He has made significant contributions to the field of technology, particularly in the area of display systems and image processing. With a total of 10 patents to his name, Rackley's work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is focused on RAM-based YUV-RGB conversion. This invention allows encoded color image data, stored in formats such as YUV or YIQ, to be converted to RGB format for output to color display systems. The conversion occurs in real-time, synchronizing with the generation of the display to minimize buffer storage requirements for the RGB output data. The use of RAM storage arrays and lookup tables enhances the speed of the conversion process while providing flexibility to adjust to various image and display formats.

Another significant patent by Rackley is the display adapter for virtual VGA support in XGA native mode. This invention enables an XGA display adapter to support VGA graphics mode virtualization during its native operation. The adapter includes a host interface for connecting with a CPU, VGA graphics assist hardware, and a memory controller for managing video memory accesses. The innovative design allows for accurate operations on a virtual VGA memory buffer, enhancing the overall functionality of the display adapter.

Career Highlights

Darwin P. Rackley is currently employed at International Business Machines Corporation (IBM). His work at IBM has allowed him to collaborate with other talented individuals in the field, contributing to advancements in technology and innovation.

Collaborations

Some of his notable coworkers include Jesus A. Saenz and Milton H. Woodward. Their collaborative efforts have further enriched the projects they have worked on together.

Conclusion

Darwin P. Rackley's contributions to technology through his patents and work at IBM highlight his innovative spirit and dedication to advancing the field. His inventions continue to influence the way we interact with display systems and image processing technologies.

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