Company Filing History:
3 out of 3,387 
1 out of 319 
Years Active: 1996-1997
Title: The Innovations of Robert M Zawislak
Introduction
Robert M Zawislak is a notable inventor based in Palatine, IL (US). He has made significant contributions to the field of technology, holding a total of 4 patents. His work primarily focuses on advancements in modulation techniques for illumination sources and RF transmitter tubes.
Latest Patents
One of Zawislak's latest patents is the Modular High Power Modulator. This invention features a single-stage modular modulator designed for pulsed illumination sources. It utilizes a full-range converter that transforms unregulated DC into a 40-50 kHz carrier, which is then modulated at frequencies ranging from a few hundred to a few thousand hertz. The modulated carrier is delivered to the illumination source through a step-down transformer, followed by a low-pass filter circuit that eliminates the carrier. The converter is managed by a modulation control that employs instantaneous load current signal feedback to adhere to a modulation command signal, along with a current mode signal that represents the primary current of the transformer. This design compensates for variations in converter output caused by fluctuations in input voltage.
Another significant patent by Zawislak is the Cathode Pulse Modulation of RF Transmitter Tubes. This invention provides beam control pulse modulation in an RF transmitter tube through a solid-state switch connected between the cathode power supply and the cathode of the transmitter tube. The beam-controlling element is returned to the normal cathode power source. Closing the switch between the cathode and the cathode power source brings the beam-controlling element voltage to cathode potential, allowing beam current to flow. Conversely, opening the switch results in a very high equivalent cathode resistance, self-biasing the tube in the cutoff region and eliminating the need for a separate 'off' voltage power supply.
Career Highlights
Throughout his career, Robert M Zawislak has worked with prominent companies such as Northrop Grumman Systems Corporation and Northrop Corporation. His experience in these organizations has contributed to his expertise and innovative capabilities in the field.
Collaborations
Zawislak has collaborated with notable individuals, including Donald A Brichta and Kenneth John King. These partnerships have likely fostered a creative environment that has led to the development of his patents.
Conclusion
Robert M Zawislak's contributions to