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For the Inventor, By the Inventor

Rochester, MN, United States of America

Charles Porter Geer

USPTO Granted Patents = 17

Average Co-Inventor Count = 2.8

ph-index = 8

Forward Citations = 343(Granted Patents)


Company Filing History:

goldMedal17 out of 164,108 
 
International Business Machines Corporation
 patents

Years Active: 1986-2017

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17 patents (USPTO):
1. 9712170 - Level-shifting latch (2017-07-18),
2. 9553584 - Level-shifting latch (2017-01-24),
3. 7945805 - Architecture for a physical interface of a high speed front side bus (2011-05-17),
4. 7904741 - Dynamic clock phase alignment between independent clock domains (2011-03-08),
5. 7716514 - Dynamic clock phase alignment between independent clock domains (2010-05-11),
6. 7624297 - Architecture for a physical interface of a high speed front side bus (2009-11-24),
7. 7573937 - Phase rotator control test scheme (2009-08-11),
8. 7558893 - Latency optimized data alignment racheting scheme (2009-07-07),
9. 7129757 - Clock frequency detect with programmable jitter tolerance (2006-10-31),
10. 6212667 - Integrated circuit test coverage evaluation and adjustment mechanism and method (2001-04-03),
11. 6181614 - Dynamic repair of redundant memory array (2001-01-30),
12. 5274648 - Memory card resident diagnostic testing (1993-12-28),
13. 5206941 - Fast store-through cache memory (1993-04-27),
14. 5193165 - Memory card refresh buffer (1993-03-09),
15. 5079725 - Chip identification method for use with scan design systems and scan (1992-01-07),

Title: The Innovations of Charles Porter Geer

Introduction

Charles Porter Geer is a notable inventor based in Rochester, MN (US). He has made significant contributions to the field of electronics, holding a total of 17 patents. His work primarily focuses on developing advanced circuits that enhance the functionality and efficiency of electronic devices.

Latest Patents

One of Geer's latest innovations is the level-shifting latch. This circuit is designed to couple a first circuit operating in one voltage domain with a second circuit in another voltage domain. The level-shifting latch includes an input node that receives an input signal from the first circuit and an output node that provides a level-shifted signal corresponding to the input. The circuit features a first latch for storing the input signal in the first voltage domain and a second latch for storing it in the second voltage domain. Additionally, it incorporates switching elements that facilitate the transfer of low voltage between the nodes of the latches.

Career Highlights

Geer is currently employed at International Business Machines Corporation, commonly known as IBM. His role at IBM has allowed him to work on cutting-edge technologies and contribute to the advancement of electronic circuit design.

Collaborations

Throughout his career, Geer has collaborated with several talented individuals, including Steven John Baumgartner and David W Siljenberg. These collaborations have fostered innovation and have led to the development of impactful technologies.

Conclusion

Charles Porter Geer is a distinguished inventor whose work in electronic circuits has made a lasting impact on the industry. His innovative designs, particularly the level-shifting latch, demonstrate his commitment to advancing technology. Geer's contributions continue to influence the field of electronics and inspire future innovations.

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