Company Filing History:
2 out of 3,696 
1 out of 5,004 
1 out of 16,093 Years Active: 1986-2003
Title: Edwin E. Westerfield: Innovator in Precision Positioning Systems
Introduction
Edwin E. Westerfield is a notable inventor based in Silver Spring, MD (US), recognized for his contributions to navigation and positioning technologies. With a total of 4 patents, he has made significant advancements in the field of global positioning systems and variable pulse rate circuits.
Latest Patents
One of his latest patents is the "Global Positioning System Roadside Integrated Precision Positioning System." This innovative system provides a real-time integrated navigation solution for vehicles, utilizing a GPS receiver connected to antennas to receive data from satellites. The system incorporates a communications link to gather range and carrier phase measurements from base stations. It also features navigation aids that deliver relative position data, along with a Kalman filter that integrates GPS position data and relative position data to produce smoothed position data. This technology is particularly beneficial for transportation applications, including lane departure detection, and is designed to function effectively at highway speeds in all weather conditions.
Another significant patent is the "Variable Pulse Rate Circuit." This invention correlates a locally generated code with the code transmitted by a space vehicle. It employs a computer to provide a binary word to a latch, which controls the delay presented to emitted pulses. The pulse rate is varied from a fixed reference rate, allowing for phase alignment of the locally generated code with the received code from the space vehicle. This technology is essential for tracking space vehicles accurately.
Career Highlights
Throughout his career, Edwin E. Westerfield has worked with prestigious organizations, including Johns Hopkins University and the United States of America as represented by the Secretary of the Air Force. His work has significantly impacted the fields of navigation and aerospace technology.
Collaborations
Westerfield has collaborated with notable individuals such as William S. Devereux and Larry J. Levy, contributing to the advancement of innovative technologies in his field.
Conclusion
Edwin E. Westerfield's contributions to precision positioning systems and variable pulse rate circuits highlight his role as a key innovator in navigation technology. His patents continue to influence advancements in transportation and aerospace applications.