Company Filing History:
1 out of 6 
1 out of 10 Years Active: 1990-1991
Title: The Innovations of William E Brisko, Jr.
Introduction
William E Brisko, Jr. is an accomplished inventor based in San Jose, California. He holds two patents that showcase his innovative contributions to technology, particularly in the field of communication devices. His work has significantly impacted the way we perceive and utilize video phone technology.
Latest Patents
One of his notable patents is the Conversational Video Phone. This invention improves the functionality of video phones by transmitting a source image over a standard telephone line alongside audio voice signals. The unique initialization protocol allows for asynchronous transmission with a short format. The protocol includes a hardware preamble for synchronizing the receiver clock, a software preamble for identifying the video image, and disabling the audio. Additionally, it features automatic gain control adjustment data and amplitude calibration data. The audio portion is disabled by coupling a capacitor across the telephone, effectively shorting it. The design incorporates a bridge circuit with switches to balance the system in both telephone audio and video modes. The transmitted and received signals pass through a delay equalization circuit, ensuring optimal performance. The digital signals undergo level shifting to minimize the effects of DC offset, and the system includes a mechanism for protecting the camera lens when not in use.
Career Highlights
Throughout his career, William E Brisko, Jr. has worked with several prominent companies, including Luma Telecom Incorporated and Mitsubishi Electronics America, Inc. His experience in these organizations has contributed to his expertise in developing innovative communication technologies.
Collaborations
William has collaborated with notable individuals in the field, including Lawrence D Emmons and James S Mackley. These partnerships have further enriched his work and expanded the scope of his inventions.
Conclusion
William E Brisko, Jr. is a significant figure in the realm of communication technology, with his inventions paving the way for advancements in video phone systems. His contributions continue to influence the industry and inspire future innovations.