Company Filing History:
Years Active: 1986-1992
Title: Michael J Sullivan: Innovator in Chart Recording Technology
Introduction
Michael J Sullivan is a notable inventor based in Portsmouth, RI (US), recognized for his contributions to chart recording technology. With a total of three patents to his name, Sullivan has made significant advancements in the field, particularly in the development of thermal chart recorders.
Latest Patents
Sullivan's latest patents include a "Chart recorder with thermal print head and sound generator." This innovative device operates by generating multiple waveform images on a thermally responsive chart in response to input signals. It features a stationary thermal print head and a sound generation circuit that produces audible sounds, simulating the sounds of traditional stylus-type recorders. The volume levels of these sounds correspond to the rates of change of the input signals, alerting operators to rapid changes in recorded parameters. Another significant patent is the "Chart recorder having multiple thermal print heads." This invention includes a chart drive assembly with first and second print heads, coordinated by a master and slave controller. The design allows for independent mounting and biasing of the print heads, accommodating deflections and distortions due to thermal expansion.
Career Highlights
Sullivan is currently employed at Astro-Med, Inc., where he continues to innovate in the field of chart recording technology. His work has contributed to the advancement of devices that enhance the accuracy and functionality of data recording.
Collaborations
Throughout his career, Sullivan has collaborated with notable colleagues, including David M Gaskill and Albert W Ondis. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Michael J Sullivan's contributions to chart recording technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving the functionality and reliability of recording devices, making a lasting impact in the industry.