John Keller

Title: John Keller - Innovator in Programmable Control Devices

Introduction

John Keller is a notable inventor based in Grayson, GA (US). He has made significant contributions to the field of programmable control devices, particularly in the area of local time determination.

Latest Patents

Keller holds a patent for "Local time determination via daylight sensing for programmable control devices." This innovative technology allows programmable control devices to maintain time-of-day accuracy by determining their location through a global positioning system. The device records and timestamps ambient light using a daylight sensor and real-time clock (RTC). It determines a mid-darkness time point and compares it with a reference mid-darkness time point for the same location and day of the year. This process enables the adjustment of the RTC as necessary, ensuring precise timekeeping.

Career Highlights

Keller is associated with Abl IP Holding LLC, where he continues to develop and refine his inventions. His work has been instrumental in enhancing the functionality and reliability of programmable control devices.

Collaborations

Keller has collaborated with notable colleagues, including Robert W. Hamlin and Philip S. Gross. Their combined expertise has contributed to the advancement of technology in their field.

Conclusion

John Keller's innovative work in programmable control devices showcases his commitment to improving technology through precise timekeeping methods. His contributions are valuable to the industry and highlight the importance of innovation in everyday devices.