Company Filing History:
Years Active: 1976-1982
Title: Hoke R Chism, Jr: Innovator in Gas Analysis and Engine Diagnostics
Introduction
Hoke R Chism, Jr. is a notable inventor based in Anaheim, CA (US), recognized for his contributions to gas analysis and engine diagnostics. With a total of 3 patents, Chism has made significant advancements in the field of analytical instrumentation.
Latest Patents
Chism's latest patents include innovative technologies that enhance the capabilities of gas analyzers and engine ignition analyzers. One of his key inventions is a gas analyzer that features a dual channel capability for the simultaneous determination of the presence and concentration of two gases in a stream of sample gas. This device utilizes a single infrared source, a single sample cell, two infrared bandpass filters, and two infrared detectors. A separator between the filters and detectors is designed to prevent the interchange of radiation, ensuring accurate measurements.
Another significant patent is the method and apparatus for generating a sweep signal for the oscilloscope of an engine ignition analyzer. This invention employs a lock loop with a phase detector, integrator, and voltage-controlled oscillator. The oscillator generates a ramp voltage that serves as a sweep signal, while a feedback circuit adjusts the phase comparison with a reference signal related to engine ignition events. This technology allows for a sweep signal of substantially constant length, accommodating engine speeds from idling to full speed.
Career Highlights
Chism has had a distinguished career at Beckman Instruments, Inc., where he has applied his expertise in developing advanced analytical instruments. His work has significantly contributed to the efficiency and accuracy of gas analysis and engine diagnostics.
Collaborations
Throughout his career, Chism has collaborated with notable colleagues, including George I Reeves and Carl N Cederstrand. These partnerships have fostered innovation and the development of cutting-edge technologies in their respective fields.
Conclusion
Hoke R Chism, Jr. stands out as an influential inventor whose work in gas analysis and engine diagnostics has paved the way for advancements in analytical instrumentation. His patents reflect a commitment to innovation and excellence in engineering.