Company Filing History:
Years Active: 1978
Title: The Innovations of Lawrence W DeLong
Introduction
Lawrence W DeLong is a notable inventor based in Stow, OH (US). He has made significant contributions to the field of programmable controllers, holding a total of 2 patents. His work focuses on enhancing the functionality and security of programmable controllers, which are essential in various industrial applications.
Latest Patents
One of his latest patents is the "Data handling module for programmable controller." This innovative module connects to the memory of a programmable controller and operates to periodically steal memory cycles from the controller processor to read and write data. It includes a microprocessor programmed to perform various functions, with the specific function indicated by a control status register. This register is set by the control program and is periodically examined by the data handling module. The module also facilitates data file transfers and message coupling to a TTY connected to it.
Another significant patent is the "Program protection module for programmable controller." This module checks the critical portions of the control program each time the controller is switched to run mode. It reads control program instructions from the controller memory and compares them with corresponding instructions stored in a nonaccessible read-only memory. If all instructions match, a status bit is set, enabling the execution of the protected program. If discrepancies are found, an alarm is triggered, preventing execution.
Career Highlights
Lawrence W DeLong is currently associated with Allen-Bradley Company, LLC, where he continues to innovate in the field of programmable controllers. His work has been instrumental in improving the reliability and security of control systems used in various industries.
Collaborations
Throughout his career, DeLong has collaborated with notable colleagues, including Odo J Struger and Walter V Casto. These collaborations have contributed to the advancement of technology in programmable controllers.
Conclusion
Lawrence W DeLong's contributions to the field of programmable controllers through his patents demonstrate his commitment to innovation and technology. His work continues to influence the industry, ensuring enhanced functionality and security in control systems.