Company Filing History:
2 out of 10 
1 out of 1 Years Active: 1982-2000
Title: Innovations of Ricky J Madsen
Introduction
Ricky J Madsen is an accomplished inventor based in Crystal, MN (US). He holds three patents that showcase his innovative contributions to technology, particularly in the fields of photography and data storage.
Latest Patents
One of Madsen's notable inventions is a depth-of-field indicator for cameras. This apparatus enhances the photographer's ability to capture sharp and clear images by utilizing a sensor to determine the distance from the subject. The controller calculates the camera's depth-of-field and generates signals to control the camera's operation or provide information to the photographer. Another significant patent is the transducer arm assembly for floppy disks. This electromagnetic transducer assembly features a carriage with a first transducer and a load arm with a second transducer, designed for precise movement and engagement with the disk recording medium. The assembly includes various components that facilitate the loading and unloading of the transducer, ensuring efficient operation.
Career Highlights
Throughout his career, Madsen has worked with several companies, including Nortronics Company, Inc. and Lifetouch National School Studies Inc. His experience in these organizations has contributed to his development as an inventor and innovator.
Collaborations
Madsen has collaborated with notable individuals in his field, including Leonard E Kronfeld and Jon A Holmes. These partnerships have likely influenced his work and contributed to his success as an inventor.
Conclusion
Ricky J Madsen's innovative patents and career achievements highlight his significant contributions to technology. His work continues to impact the fields of photography and data storage, showcasing the importance of innovation in advancing these industries.