Lawrence J Mason

Title: Innovations of Lawrence J Mason

Introduction

Lawrence J Mason is a notable inventor based in Penfield, NY (US). He holds a total of 5 patents that showcase his contributions to the field of technology and engineering. His work primarily focuses on advancements in electrophotographic systems and triggering circuits for flash lamps.

Latest Patents

One of his latest patents is a triggering circuit for series connected flash lamps. This invention reduces lamp operating voltage levels by utilizing a boost circuit to initiate a triggering sequence in one of the two lamps connected in series. The boost circuit is strategically connected across one of the lamps at a connector point common to both lamps. In this design, trigger pulses are applied sequentially to each lamp, allowing the boost circuit voltage contained in an associated capacitor to discharge through the first triggered lamp, which begins conduction. Consequently, most of the voltage from a main storage capacitor becomes available to break down the second lamp.

Another significant patent by Mason is for an electrophotographic reproduction machine with a document exposure system. In this full-frame flash electrophotographic printing machine, an imaging system is provided that incorporates a flash lamp directly coupled to an AC line input for document exposure. The imaging system includes a lens whose movement is synchronized with a moving photoreceptor, ensuring that exposure occurs at the same image area of the photoreceptor. The invention also features circuit means for detecting zero crossing points of the line voltage, generating signals to trigger the lamp into operation during an 8 msec half cycle of line operation. Additionally, the control circuitry can couple the AC line into a flash fuser assembly to fuse a transferred image on an output record medium.

Career Highlights

Lawrence J Mason has made significant strides in his career, particularly through his work at Xerox Corporation. His innovative patents have contributed to the advancement of imaging technologies and have had a lasting impact on the industry.

Collaborations

Mason has collaborated with notable coworkers such as Richard F Lehman and Thomas J Hammond, further enhancing the innovative environment in which he works.

Conclusion

Lawrence J Mason's contributions to technology through his patents reflect his dedication to innovation and engineering excellence. His work continues to influence the field of electrophotographic systems and flash lamp technologies.