Company Filing History:
Years Active: 2009-2021
Title: David A. Christman: Innovator in Secure Communication Technologies
Introduction
David A. Christman is a notable inventor based in Rowayton, CT (US). He has made significant contributions to the field of secure communication and storage technologies. With a total of 6 patents to his name, Christman has developed innovative solutions that address the challenges of unauthorized content copying.
Latest Patents
One of Christman's latest patents is a technique for securely communicating and storing programming material in a trusted domain. This invention establishes a 'trusted domain' where content received from a communications network, such as a cable TV network, is protected from unauthorized copying. In this system, a device associated with a user receives content from the cable TV network, which may be encrypted using a content key, for example, with a 3DES encryption algorithm before being stored. The invention also involves generating two encrypted content key versions by encrypting the content key with public keys associated with both the device and the user. These encrypted key versions are stored alongside the encrypted content, allowing for secure migration and decryption of the content across devices associated with the same user.
Career Highlights
Throughout his career, David A. Christman has worked with prominent companies in the telecommunications industry, including Time Warner Cable Inc. and Time Warner Cable Enterprises LLC. His experience in these organizations has contributed to his expertise in developing secure communication technologies.
Collaborations
Some of Christman's notable coworkers include William Lynn Helms and Michael T. Hayashi. Their collaboration has likely played a role in advancing the innovative projects they have worked on together.
Conclusion
David A. Christman is a distinguished inventor whose work in secure communication technologies has made a significant impact in the industry. His innovative patents continue to shape the way content is protected and communicated in trusted domains.