Company Filing History:
Years Active: 1998-2003
Title: The Innovations of Donald E. Groff
Introduction
Donald E. Groff is a notable inventor based in Hatfield, PA, with a significant contribution to the field of television signal processing. He holds a total of six patents, showcasing his expertise and innovative spirit in developing technologies that enhance television signal transmission.
Latest Patents
One of Groff's latest patents is an upconverter for a television signal headend distribution center that handles both analog and digital signals. This upconverter is designed to convert intermediate frequency (IF) television signals to very high frequency (VHF) or ultra high frequency (UHF) signals prior to broadcast. It is capable of identifying the type of incoming television signal and generating an appropriate reference signal based on whether the signal is digital or analog. In the case of an analog format, the reference signal aids the modulator in synchronizing phase with outputs from various other upconverters. For digital signals, the reference signal serves as a test signal for the upconversion circuit. Another significant patent involves a method and apparatus for suppressing electromagnetic emissions from a bus interface with electronic equipment. This innovation provides an improved electronic device, such as an upconverter, which features an external, shielded bus interface that connects to filtered internal input and output lines leading to control circuitry, effectively suppressing unwanted electromagnetic emissions.
Career Highlights
Throughout his career, Groff has worked with prominent companies in the industry, including General Instrument Corporation and Videotek, Inc. His work has significantly impacted the development of technologies that improve television signal quality and transmission efficiency.
Collaborations
Groff has collaborated with notable individuals in the field, including Robert E. Stenzel and Edgar Rhodes. These collaborations have contributed to the advancement of technology in television signal processing.
Conclusion
Donald E. Groff's contributions to the field of television signal processing through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and improve the quality of television broadcasting.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.