Company Filing History:
Years Active: 1988-1990
Title: Innovative Contributions of Donald R. Casady in Digital Communication
Introduction
Donald R. Casady is a distinguished inventor based in Tulsa, Oklahoma, known for his significant contributions to the field of digital communication. With a total of three patents to his name, Casady has focused on innovations that enhance the efficiency and efficacy of communication systems.
Latest Patents
Among his latest patents, two notable inventions stand out. The first is the "Digital Communication Apparatus and Method" which pertains to a T1 digital carrier system. This system features a transmitter, receiver, and multiple intermediate repeater stages. Each repeater is equipped with a select switch that automatically engages loop-back mode when a specific combination of framing bits coincides with the repeater’s address. This innovative setup allows for remote testing of the communication link without necessitating additional test lines to verify a T1 communications link.
Casady's second notable patent is the "Integrated Data Voice Multiplexer Supporting Handshake and Loop-Back." This integrated data voice multiplexer is capable of simultaneously supporting loop-back and communication handshake protocols without any performance degradation. The design employs frequency shift keying (FSK) modulation of multiple carriers to transmit data signals, indicating loop-back states through the presence or absence of carrier signals. Furthermore, it incorporates narrowband modulation on at least one carrier to support handshake protocols effectively. The technology disclosed in this patent also includes encoder, decoder, and data holding circuits to support standard RS232 protocols.
Career Highlights
Donald R. Casady has carved a niche for himself in the technology sector through his work with Seiscor Technologies. His innovative efforts have propelled advancements in digital communications, significantly impacting how data is transmitted and received in various applications.
Collaborations
Throughout his career, Casady has collaborated with several notable professionals, including Lee V. Dively and Ioan V. Teodorescu. Their collective expertise has fostered an environment of innovation at Seiscor Technologies, contributing to the development of groundbreaking communications technologies.
Conclusion
Donald R. Casady’s inventive work in digital communications exemplifies the importance of innovation in enhancing technology. With his patents, he has laid the groundwork for more efficient communication systems, benefiting industries that rely heavily on robust data transmission. As he continues to push the boundaries of technology, Casady remains a vital figure in the field of digital communication.