Donald Scott Langford

Title: Innovations by Donald Scott Langford

Introduction

Donald Scott Langford is an accomplished inventor based in Melbourne Beach, FL (US). He has made significant contributions to the field of ophthalmic devices, holding a total of 3 patents. His work focuses on enhancing vision care through innovative technologies.

Latest Patents

One of Langford's latest patents is for an electronic ophthalmic lens designed to measure distance using ultrasound time-of-flight. This contact lens incorporates an electronic system that allows for lens accommodation based on distance measurements obtained from an ultrasound signal. The lens features an ultrasound module, a system controller, a timing circuit, and an actuator. The ultrasound module includes transducers that emit sound pressure waves and receive reflected waves to determine the distance to an object. Additionally, the lens can communicate with another contact lens to calculate a convergence angle based on independent distance measurements.

Another notable patent is for extended period timer circuits for ophthalmic devices. This programmable timer circuit is designed to generate a bias current and includes a current-controlled oscillator and a frequency divider network. It is capable of timing for a 24-hour period while consuming less than 5nA of quiescent current, showcasing Langford's commitment to energy-efficient design.

Career Highlights

Langford is currently employed at Johnson and Johnson Vision Care, Inc., where he continues to develop innovative solutions in vision care. His work has significantly impacted the field, particularly in the development of advanced ophthalmic devices.

Collaborations

Throughout his career, Langford has collaborated with notable colleagues, including Adam Toner and Gregory J Fisher. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Donald Scott Langford's contributions to the field of ophthalmic devices exemplify the spirit of innovation. His patents reflect a deep understanding of technology and a commitment to improving vision care. His work continues to inspire advancements in the industry.