Company Filing History:
Years Active: 1987
Title: Craig J Griffith: Innovator in Infrared Gas Analysis
Introduction
Craig J Griffith is a notable inventor based in Berkeley, CA (US). He has made significant contributions to the field of gas analysis, particularly with his innovative patent related to infrared gas analyzers. His work has implications for various industries that rely on accurate gas measurement.
Latest Patents
Griffith holds a patent for an "Infrared gas analyzer with automatic zero adjustment." This invention features an automatic zeroing apparatus that calibrates the infrared gas analyzer under specific conditions. The device indicates zero in the absence of absorption of infrared radiation by the gas mixture being analyzed. The gas analyzer includes a sample cell that contains the gas mixture, and infrared radiation is directed through this cell to produce a detection signal. A signal processor then outputs a signal that is systematically related to the difference between the detection signal and a reference signal. The sample cell is filled with a gas that is substantially nonabsorbent of infrared radiation at the characteristic wavelength for zeroing. A comparator generates an error signal when the output signal deviates from zero, and a gain control automatically adjusts the signal level to minimize the output signal to zero with the nonabsorbent gas. The preselected conditions for zeroing may involve a predetermined time and temperature drift beyond a specified limit.
Career Highlights
Griffith is associated with Andros Analyzers Incorporated, where he applies his expertise in gas analysis technology. His work has contributed to advancements in the accuracy and reliability of gas measurement systems.
Collaborations
Some of his notable coworkers include Robert E Passaro and Raymond E Rogers, who have collaborated with him on various projects within the field of gas analysis.
Conclusion
Craig J Griffith's innovative work in infrared gas analysis demonstrates his commitment to enhancing measurement technologies. His patent reflects a significant advancement in the field, showcasing the importance of accurate gas analysis in various applications.
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