John D Freeman

Title: The Innovative Contributions of John D. Freeman

Introduction

John D. Freeman is a notable inventor based in Westport, Connecticut, recognized for his contributions to security and automotive technology. With a total of two patents to his name, Freeman has made significant advancements in the fields of intruder alarms and display apparatus for vehicles.

Latest Patents

Freeman's latest patents include an innovative intruder alarm and a display apparatus for automotive vehicles. The intruder alarm is a security device that utilizes a source of fluid under pressure to oscillate a diaphragm at the throat of a horn, creating an audible warning signal. This device features an actuator, a plunger assembly, and a unique coupling structure that allows for controlled communication between the diaphragm and the fluid source. Additionally, the plunger assembly is designed with an orifice member that meters the flow of medium to the diaphragm while ensuring that any entrained particulate can clear the device.

The second patent, a display apparatus for automotive vehicles, is capable of presenting time in hours and minutes, along with other functions such as miles before service is required and days before service is needed. This apparatus incorporates at least one logic integrated circuit for frequency division of various inputs, a storage component for retaining information even when power is interrupted, a power supply, and a display for showing information on demand.

Career Highlights

Freeman is associated with General Time Corporation, where he has applied his inventive skills to develop practical solutions in technology. His work has contributed to enhancing security measures and improving user experience in automotive displays.

Collaborations

Freeman has collaborated with notable coworkers, including Ralph C. Robinson and Kenneth D. Swonger, who have also contributed to advancements in their respective fields.

Conclusion

John D. Freeman's innovative patents reflect his commitment to enhancing security and technology in everyday applications. His contributions continue to influence the fields of intruder alarms and automotive displays, showcasing the importance of innovation in improving safety and functionality.