Location History:
- Kinburn, CA (2005)
- Ottawa, CA (2003 - 2009)
- Thornhill, CA (2006 - 2009)
Company Filing History:
6 out of 690 
2 out of 1,293 
2 out of 51,907 
Years Active: 2003-2009
Title: Douglas I Perry: Innovator in Image Sensing Technology
Introduction
Douglas I Perry is a notable inventor based in Ottawa, Canada. He holds a total of 10 patents that showcase his contributions to the field of image sensing technology. His innovative work has significantly impacted the development of solid-state image sensors and content addressable memory cells.
Latest Patents
One of his latest patents is titled "Method and apparatus for preventing image artifacts." This invention involves a pixel sensing subsystem for a solid-state image sensor that includes frame timing logic. The frame timing logic produces a frame timing signal indicative of an end-of-frame time and a beginning-of-frame time. Additionally, the reset logic produces a reset signal for a charge accumulator of pixel sensing electronics. The reset logic asserts the reset signal at least once between the end-of-frame time and the beginning-of-frame time to prevent saturation of the pixel sensing element.
Another significant patent is the "Compare circuit for a content addressable memory cell." This invention discloses a ternary content addressable memory (CAM) cell designed to provide reduced matchline capacitance and increased current between the matchline and tail-line in the case of a mismatch. The speed of a CAM cell is generally inversely proportional to its matchline capacitance and proportional to the current. Conventional ternary CAM cells have many matchline transistors, each contributing to the matchline capacitance. However, embodiments of Perry's invention feature a single matchline transistor that couples the matchline to the tail-line in response to a discharge signal from a compare circuit.
Career Highlights
Throughout his career, Douglas I Perry has worked with several prominent companies, including Mosaid Technologies Corporation and GE Medical Systems Global Technology Company, LLC. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in technology.
Collaborations
Perry has collaborated with notable professionals in his field, including Scott William Petrick and Peter B Gillingham. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Douglas I Perry is a distinguished inventor whose work in image sensing technology has led to significant advancements in the field. His innovative patents and collaborations with industry professionals highlight his commitment to pushing the boundaries of technology.