Company Filing History:
Years Active: 2002-2006
Title: The Innovations of Gary McNabb
Introduction
Gary McNabb is a notable inventor based in Unicoi, TN (US). He has made significant contributions to the field of programmable logic controllers (PLCs) with a total of eight patents to his name. His work focuses on enhancing the capabilities and efficiency of PLC systems, which are crucial in automation and control processes.
Latest Patents
Among his latest patents, McNabb has developed a programmable logic controller method, system, and apparatus. This innovation features a digital input filter that operates with considerably less logic by simulating the action of a capacitor driven by a constant current source. The output voltage is sensed by a comparator with a large amount of hysteresis. Additionally, a pulse catch circuit captures input pulses even when updates occur between scan cycles. His design includes a pulse output controller with a hardware pipeline mechanism, allowing for smooth transitions between waveforms. A free port link enables users to control the port manually or through a user program. To enhance communication performance using the PPI protocol, McNabb's PLC incorporates a built-in protocol. An n-bit modem protocol ensures data integrity without relying on a parity type data integrity system. Furthermore, a hide instruction protects proprietary software by encrypting sensitive code during compilation and re-encrypting it afterward. A system function call allows users to create and download new PLC functions, implementing them as operating system functions. Lastly, an STL status function aids in debugging programs during runtime, while a micro PLC arrangement ensures compact size and efficiency.
Career Highlights
Gary McNabb is currently employed at Siemens Energy & Automation, Inc., where he continues to innovate in the field of automation technology. His work has significantly impacted the efficiency and functionality of programmable logic controllers, making them more versatile and user-friendly.
Collaborations
Some of McNabb's coworkers include Mark Steven Boggs and Temple Luke Fulton, who contribute to the collaborative environment at Siemens Energy & Automation, Inc. Their combined expertise fosters innovation and drives advancements in automation technology.
Conclusion
Gary McNabb's contributions to programmable logic controllers exemplify the spirit of innovation in the field of automation. His patents reflect a commitment to enhancing technology and improving efficiency in industrial applications.
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