Location History:
- Portland, ME (US) (1991)
- Cape Elizabeth, ME (US) (1994 - 2018)
Company Filing History:
11 out of 1,302 
4 out of 4,791 
Years Active: 1991-2018
Title: Innovations of Oscar W Freitas
Introduction
Oscar W Freitas is a notable inventor based in Cape Elizabeth, Maine, with a remarkable portfolio of 15 patents. His work primarily focuses on advancements in audio technology and charger detection systems. Freitas has made significant contributions to the field, showcasing his innovative spirit and technical expertise.
Latest Patents
Among his latest patents, Freitas has developed a method for remote ground sensing aimed at reducing crosstalk in headset and microphone audio signals. This invention provides apparatus and methods for minimizing audio interference in personal audio equipment. The method involves applying a signal to a headset's speaker channel and utilizing a crosstalk compensation circuit to enhance audio clarity. Another notable patent is related to charger detection with proprietary charger support. This invention outlines a method for classifying potential chargers connected to electronic devices, ensuring compatibility and efficiency in charging processes.
Career Highlights
Freitas has had a distinguished career, working with prominent companies such as Fairchild Semiconductor Corporation and National Semiconductor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various technological advancements.
Collaborations
Freitas has collaborated with several professionals in the industry, including James B Boomer and John R Turner. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Oscar W Freitas stands out as a significant figure in the realm of innovation, with a strong focus on audio technology and charger detection. His contributions continue to impact the industry positively, reflecting his dedication to advancing technology.
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.