This inventor holds 12 USPTO granted patents. Top assignees: 3Com Corporation, Palm, Incorporated, Palmone, Incorporated. Active years: 1994-2008.
Location History:
- Logan, UT (US) (1994)
- Riverton, UT (US) (2003)
- Grayslake, IL (US) (1999 - 2008)
Company Filing History:
6 out of 1,438 
3 out of 478 
2 out of 42 Years Active: 1994-2008
Title: The Innovations of James B. Henrie
Introduction
James B. Henrie is a notable inventor based in Grayslake, IL (US), recognized for his contributions to technology with a total of 12 patents. His work primarily focuses on advancements in communication systems and sound generation, showcasing his expertise in engineering and innovation.
Latest Patents
Among his latest patents, Henrie developed a "Filtered transmit cancellation in a full-duplex modem data access arrangement (DAA)." This invention enhances data access arrangements for full-duplex two-wire communication systems by incorporating a transmit amplifier and a receive amplifier. The DAA is designed to connect to a two-wire line, featuring a codec that generates a transmit signal and a summation device linked to the receive amplifier. The echo cancellation path includes a variable gain amplifier, which is adjusted based on the transmission impedance characteristic, ensuring improved communication quality.
Another significant patent is the "Sound generator circuit pre-filter system and method." This apparatus aims to enhance sound quality for sound generators by utilizing a processing device and memory. The sound generator is coupled to the processing device, and a program in memory adjusts the output amplitude based on the sound frequency. This method involves calculating volume adjustment information according to the sound frequency, thereby optimizing the sound quality produced.
Career Highlights
Throughout his career, James B. Henrie has worked with prominent companies such as 3Com Corporation and Palm, Incorporated. His experience in these organizations has contributed to his innovative mindset and technical skills, allowing him to develop groundbreaking technologies.
Collaborations
Henrie has collaborated with notable individuals in the field, including D. Scott Beckham and Greg A. Putnam. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
James B. Henrie's contributions to the fields of communication and sound generation demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving technology and enhancing user experiences.