Company Filing History:
2 out of 8 
1 out of 832,880 Years Active: 1993-2002
Title: **Innovative Contributions of Carl Oppedahl in Secure Microcontroller Technology**
Introduction
Carl Oppedahl is an esteemed inventor based in New York, NY, with a substantial impact on the field of secure microcontroller technology. With a portfolio of three patents, Oppedahl has dedicated his career to developing systems that enhance the security and integrity of stored program systems, particularly in electronic devices.
Latest Patents
Oppedahl’s latest patents focus on advanced techniques for generating secure digital signatures. One of his notable inventions is a **Microcontroller with Secure Signature Extraction**. This innovative technology allows a controller to calculate a digital signature for the contents of its protected memory when triggered in a specific manner, such as the assertion of an input. The digital signature is uniquely derived using a function that changes drastically with even minor modifications to the memory contents. This ensures a high level of security, making it difficult to predict the output based on the input or vice versa.
Another significant patent is the **Stored Program System with Protected Memory and Secure Signature**. Similar to the first patent, this technology emphasizes the critical importance of secure memory contents by embedding the circuitry that generates the signature into the hardware itself. This setup guarantees that the signature function remains unknown even to the programmer writing the main code, thus boosting confidence that the memory contents remain intact and as expected.
Career Highlights
Throughout his career, Carl Oppedahl has collaborated with leading companies in the technology sector. Notably, he has worked at Usar Systems, Inc., among others. His contributions to the field of secure microcontroller systems have been recognized for their innovative approach to safeguarding memory integrity within electronic devices.
Collaborations
Oppedahl has collaborated with various professionals in his field, including Ioannis Milios, who shares a similar vision for innovative secure systems. Their combined expertise has led to advancements in the technology surrounding microcontroller security.
Conclusion
Carl Oppedahl continues to make strides in the realm of secure technology through his inventive work. With a focus on enhancing the integrity and confidentiality of memory systems, his patents reflect a commitment to innovation that is essential in today’s digital landscape. His dedication to developing secure microcontroller technologies is an invaluable contribution to the tech industry, paving the way for more secure electronic devices.