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For the Inventor, By the Inventor

Fleetwood, PA, United States of America

Craig B Ziemer

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 46(Granted Patents)


Company Filing History:

goldMedal14 out of 2,316 
 
Agere Systems Inc.
 patents
silverMedal1 out of 598 
 
Agere Systems Guardian Corp.
 patents

Years Active: 2002-2014

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15 patents (USPTO):Explore Patents
1. 8798222 - Methods and apparatus for digital linearization of an analog phase interpolator (2014-08-05),
2. 8385493 - Method and apparatus for improving linearity in clock and data recovery systems (2013-02-26),
3. 8126039 - Methods and apparatus for evaluating the eye margin of a communications device using a data eye monitor (2012-02-28),
4. 7928789 - Methods and apparatus for improved phase switching and linearity in an analog phase interpolator (2011-04-19),
5. 7787515 - Method and apparatus for generation of asynchronous clock for spread spectrum transmission (2010-08-31),
6. 7778377 - Methods and apparatus for spread spectrum generation using a voltage controlled delay loop (2010-08-17),
7. 7724857 - Method and apparatus for improving linearity in clock and data recovery systems (2010-05-25),
8. 7560967 - Methods and apparatus for improved phase switching and linearity in an analog phase interpolator (2009-07-14),
9. 7425856 - Phase interpolator with output amplitude correction (2008-09-16),
10. 7312667 - Statically controlled clock source generator for VCDL clock phase trimming (2007-12-25),
11. 7298195 - Methods and apparatus for improved phase switching and linearity in an analog phase interpolator (2007-11-20),
12. 7236037 - Alternating clock signal generation for delay loops (2007-06-26),
13. 7205811 - Methods and apparatus for maintaining desired slope of clock edges in a phase interpolator using an adjustable bias (2007-04-17),
14. 7190198 - Voltage controlled delay loop with central interpolator (2007-03-13),
15. 6381086 - Programmable active damping for high-speed write driver (2002-04-30),

Title: Craig B Ziemer: Innovator in Digital Linearization and Clock Recovery Systems

Introduction

Craig B Ziemer is a notable inventor based in Fleetwood, PA (US). He has made significant contributions to the field of digital linearization and clock recovery systems. With a total of 15 patents to his name, Ziemer has demonstrated a commitment to advancing technology through innovative solutions.

Latest Patents

Ziemer's latest patents include "Methods and apparatus for digital linearization of an analog phase interpolator." This invention provides methods for mapping desired phase values to corresponding M bit values, which are then applied to a phase interpolator. The invention also accounts for variations due to process, voltage, temperature, or aging (PVTA). Another significant patent is "Method and apparatus for improving linearity in clock and data recovery systems." This system enhances the linearity of a clock and data recovery circuit by adjusting the phase of a clock signal using two interpolators, ensuring efficient data stream recovery.

Career Highlights

Throughout his career, Ziemer has worked with prominent companies such as Agere Systems Inc. and Agere Systems Guardian Corp. His experience in these organizations has allowed him to refine his skills and contribute to various technological advancements.

Collaborations

Ziemer has collaborated with notable individuals in the industry, including Vladimir Sindalovsky and Ronald Lamar Freyman. These partnerships have likely enriched his work and led to innovative solutions in his field.

Conclusion

Craig B Ziemer is a distinguished inventor whose work in digital linearization and clock recovery systems has made a significant impact on technology. His numerous patents reflect his dedication to innovation and excellence in engineering.

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