Company Filing History:
Years Active: 1987-1989
Title: Innovations by John J Rohulich
Introduction
John J Rohulich is an accomplished inventor based in Cambridge, OH (US). He has made significant contributions to the field of technology, particularly in the area of sound generation and volume control. With a total of 2 patents to his name, Rohulich has developed innovative solutions that enhance user experience in various applications.
Latest Patents
Rohulich's latest patents include a "Speaker volume control apparatus and method" and a "Sound generating system for a keyboard." The speaker volume control apparatus provides a method for establishing and changing the volume level of a tone generator, which can be utilized in point of sale terminals or other business machines. This invention features a microprocessor with a timer, an inverting buffer, an integrating circuit, and a transistor driver, allowing for precise volume adjustments. The sound generating system for a keyboard establishes the volume level of a tone generator associated with a keyboard, producing a click tone when each key is actuated. This system allows users to set the volume level by actuating specific key members, enhancing the interactive experience.
Career Highlights
John J Rohulich is currently employed at NCR Corporation, where he continues to innovate and develop new technologies. His work at NCR Corporation has allowed him to apply his expertise in sound generation and volume control, contributing to the advancement of business machines and user interfaces.
Collaborations
Rohulich has collaborated with notable coworkers, including Daniel B Seevers and John Baird Keys. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
John J Rohulich's contributions to the field of technology through his patents and work at NCR Corporation highlight his innovative spirit and dedication to improving user experiences. His inventions in sound generation and volume control continue to influence the industry positively.