Location History:
- Marlboro, NJ (US) (1986 - 1990)
- Warren, NJ (US) (1994 - 2004)
Company Filing History:
8 out of 9,364 
2 out of 3,345 
1 out of 91 
Years Active: 1986-2004
Title: The Innovative Contributions of John Hartung
Introduction
John Hartung is a notable inventor based in Warren, NJ, with a remarkable portfolio of 14 patents. His work primarily focuses on advancements in video coding and digital signal processing, showcasing his expertise in the field of technology.
Latest Patents
One of Hartung's latest patents is titled "Method and apparatus for video frame selection for improved coding quality at low bit-rates." This invention presents a method for selecting video frames to enhance the coding quality of low bit-rate coders. The technique involves temporal sub-sampling, allowing for the selection of frames based on a coding criterion, such as prediction gain. This approach enables a larger number of frames to be selected during periods of rapid change, while maintaining a fixed overall frame-rate. Another significant patent is the "Method and apparatus for performing rapid convolution." This invention addresses the bandwidth efficiency of FIR filters in digital signal processing applications. By reducing the required bus bandwidth without increasing the number of multiply-accumulate operations, this method significantly enhances processor throughput in RISC-type architectures.
Career Highlights
Throughout his career, John Hartung has worked with prominent companies such as Lucent Technologies Inc. and AT&T Bell Laboratories. His contributions to these organizations have played a crucial role in advancing technology in the telecommunications and digital processing sectors.
Collaborations
Hartung has collaborated with notable professionals in his field, including Arnaud Eric Jacquin and Yi-Jen Chiu. These partnerships have further enriched his innovative endeavors and contributed to the development of cutting-edge technologies.
Conclusion
John Hartung's inventive spirit and dedication to technological advancement have led to significant contributions in video coding and digital signal processing. His patents reflect a deep understanding of the challenges in these fields and offer innovative solutions that enhance performance and efficiency.