Company Filing History:
4 out of 2,176 
1 out of 3 
1 out of 159 
Years Active: 1982-2008
Title: Innovations of Donald L Grimes
Introduction
Donald L Grimes is a notable inventor based in Milford, MA (US), recognized for his contributions to optical encoders. With a total of six patents to his name, Grimes has made significant advancements in the field of measurement systems and optical technology.
Latest Patents
One of his latest patents is the "Scale assembly for optical encoder having affixed optical reference markers." This invention involves a flexible optical marker applied to an optical scale substrate, enhancing the functionality of optical position encoders. The marker can serve various purposes, such as limit or index markers, and is designed to be affixed to the scale substrate through a precise alignment process. This innovation aims to reduce inventory costs and lead times by streamlining the manufacturing process.
Another significant patent is the "Position encoder with scale calibration." This measurement system allows for easy incorporation of calibration data into the position sensing system's processing unit. The scale-based encoder features a signal processor that corrects scale inaccuracies using a limited set of correction coefficients. This correction method is applicable to both linear and rotary encoders, showcasing Grimes' versatility in addressing various engineering challenges.
Career Highlights
Throughout his career, Donald L Grimes has worked with prominent companies such as Polaroid Corporation and Microe Systems Corporation. His experience in these organizations has contributed to his expertise in optical technologies and measurement systems.
Collaborations
Grimes has collaborated with notable individuals in the field, including Donald K Mitchell and Stanley W Haskell. These partnerships have likely enriched his work and led to further innovations in optical engineering.
Conclusion
Donald L Grimes is a distinguished inventor whose work in optical encoders and measurement systems has made a lasting impact on the industry. His innovative patents reflect his commitment to advancing technology and improving manufacturing processes.
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