Donald S Fisher

Title: The Innovations of Donald S. Fisher

Introduction

Donald S. Fisher is a notable inventor based in Valley Center, CA (US). He has made significant contributions to the field of optics and imaging technology, holding a total of 7 patents. His work focuses on enhancing the functionality and efficiency of devices that read symbols, such as barcodes.

Latest Patents

Among his latest patents is a "Symbol reading device including optics for uniformly illuminating." This device and method are designed to uniformly illuminate bar codes and two-dimensional symbologies. An illumination source is integrated within the device to flood an area congruent with the field of view of the imaging optics with light, which is then reflected off a code symbol. The imaging optics collect the reflected illumination and image it on a detector focal plane. Additionally, an array of solid-state light-emitting diodes is positioned adjacent to the imaging optics, with a diffuser placed between the emitters and the device window. This arrangement ensures a homogeneous distribution of light energy beyond the window and congruent with the field of view of the imaging optics.

Another significant patent is the "Electromagnetically shielded window, sensor system using the window." This window is transparent to infrared and/or visible radiation while being shielded against electromagnetic radiation. It consists of a substrate made from a material that is transparent to the selected wavelength band of radiation, along with a multilayer grid pattern overlying the substrate. The grid pattern includes a first layer of electrically conductive material adjacent to the substrate and a second layer of magnetically permeable material overlying the first layer. A third layer of electrically conductive material may also be included.

Career Highlights

Donald S. Fisher has worked with several companies throughout his career, including Exotic Materials Inc. and Symbol Technologies, LLC. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Some of his notable coworkers include Alexander R. Roustaei and Charles Warner. Their collaboration has likely played a role in the development of Fisher's patents and innovations.

Conclusion

Donald S. Fisher's contributions to the field of optics and imaging technology are significant, with a focus on improving the efficiency of symbol reading devices. His innovative patents reflect a deep understanding of the technical challenges in this area, and his work continues to influence the industry.