Donald H Friedberg

Title: The Innovations of Donald H. Friedberg

Introduction

Donald H. Friedberg is an accomplished inventor based in Breinigsville, PA (US). He holds a total of 3 patents that showcase his expertise in electronic systems and clock management technologies. His contributions have significantly impacted the fields in which he has worked.

Latest Patents

Friedberg's latest patents include a "Lock Detector for Phase-Locked Loop" and "Automatic Clock Switching." The lock detector patent describes a method for detecting the lock between a reference signal and a feedback signal in a phase-locked loop (PLL) circuit. This innovation involves counting the number of clock cycles of the feedback signal during defined test intervals and using a feedback comparator to determine if the count falls within an expected range. A qualification counter is utilized to indicate when lock has been achieved. The automatic clock switching patent details a clock switch controller that manages multiple clock signal sources. It features a clock status register that identifies the current clock source and employs state machine logic to switch between sources automatically in response to a clock switch signal.

Career Highlights

Throughout his career, Friedberg has worked with notable companies such as Agere Systems, Guardian Corporation, and Hewlett-Packard Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Friedberg has collaborated with several professionals in his field, including Dale Harvey Nelson and Lai Q. Pham. These partnerships have fostered a creative environment that has led to the development of his patents and innovations.

Conclusion

Donald H. Friedberg's work as an inventor has made a significant impact in the realm of electronic systems. His patents reflect his dedication to innovation and his ability to solve complex problems in technology.