This inventor holds 2 USPTO granted patents. Top assignee: Hewlett-Packard Company. Active years: 1976-1979.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1976-1979
Title: Innovations by James L. Larsen
Introduction
James L. Larsen is a notable inventor based in Bedford, MA (US). He has made significant contributions to the field of electrocardiography, holding a total of 2 patents. His work focuses on improving the reliability and functionality of ECG systems.
Latest Patents
One of his latest patents is an "Apparatus for maintaining signals within a given amplitude range." This invention ensures that displayed ECG waveforms maintain acceptable aspect ratios without rapid fluctuations in amplitude. It achieves this by rapidly decreasing the gain of the signal channel in discrete amounts as the peak-to-peak amplitude of the ECG signal increases. The gain is only increased after the peak-to-peak amplitude has dropped to a specific fraction for a predetermined period of time.
Another significant patent is the "Electrocardiograph telemetry system including method and means for." This invention features special circuitry in the transmitter of an ECG telemetry system that detects various malfunctions. It changes the transmitted signal to indicate these issues to the system receiver. For instance, when the transmitter detects that an input electrode has become detached from the patient, it alters the frequency of the subcarrier signal to alert the receiver. The receiver then monitors this frequency and activates an alarm light when it corresponds to the electrode inoperative condition.
Career Highlights
James L. Larsen is associated with Hewlett-Packard Company, where he has contributed to advancements in medical technology. His work has had a lasting impact on the field of electrocardiography, enhancing patient monitoring systems.
Collaborations
He has collaborated with notable coworkers such as Richard F. Dillman and Alfred M. Nardizzi, further enriching his contributions to the field.
Conclusion
James L. Larsen's innovative patents and career at Hewlett-Packard Company highlight his significant role in advancing ECG technology. His inventions continue to improve the reliability of patient monitoring systems, showcasing the importance of innovation in healthcare.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile