Company Filing History:
Years Active: 2002-2006
Title: The Innovations of Steven W. Stimmel
Introduction
Steven W. Stimmel is a notable inventor based in Johnson City, TN (US). He has made significant contributions to the field of programmable logic controllers (PLCs) and holds a total of 8 patents. His work focuses on enhancing the capabilities of PLCs, making them more efficient and user-friendly.
Latest Patents
Stimmel's latest patents include a "Programmable Logic Controller Method, System and Apparatus." This invention features a digital input filter that simulates 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 also includes a pulse output controller with a hardware pipeline mechanism for smooth transitions between waveforms. A free port link allows users to control the port manually or through a user program. To enhance communication performance using the PPI protocol, the PLC incorporates a built-in protocol. An n-bit modem protocol ensures data integrity without relying on a parity type system. Furthermore, a hide instruction protects proprietary software by encrypting sensitive code during compilation. A system function call enables users to create and download new PLC functions, while an STL status function assists in debugging programs during runtime. The micro PLC arrangement provides compact size and efficiency.
Career Highlights
Stimmel 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 PLCs, making them more adaptable to various industrial applications.
Collaborations
Some of his notable coworkers include Mark Steven Boggs and Temple Luke Fulton, who have also contributed to advancements in automation technology.
Conclusion
Steven W. Stimmel's contributions to programmable logic controllers demonstrate his commitment to innovation and efficiency in automation. His patents reflect a deep understanding of technology and its applications in the industry.
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