Company Filing History:
1 out of 244 
1 out of 1,360 
Years Active: 2001-2022
Title: John Brummer: Innovator in Image Sensor Technology
Introduction
John Brummer is a notable inventor based in Saratoga, CA (US). He has made significant contributions to the field of image sensor technology, holding a total of 2 patents. His work has been instrumental in advancing the capabilities of light-emitting devices and image signal processing.
Latest Patents
One of Brummer's latest patents is titled "Image sensor with capacitor randomization for column gain." This invention involves a pixel cell readout circuit that includes a bitline input stage coupled to a bitline to receive an image signal from a pixel cell. The circuit features a capacitor ratio circuit that influences the gain of the bitline input stage based on a capacitor ratio. Additionally, a switch control circuit generates a randomized pattern selection signal to optimize the capacitor ratio in response to the gain signal.
Another significant patent is "Low current drive of light emitting devices." This patent describes control circuitry for an array of light-emitting devices, which includes a first column line connected to each device. The circuitry utilizes two current sources to manage the brightness levels of the light-emitting devices effectively. When a device is activated, the first current source is engaged until a predetermined voltage is reached, after which the second current source maintains the desired brightness.
Career Highlights
Throughout his career, John Brummer has worked with prominent companies in the technology sector. He has been associated with Infineon Technologies North America Corp. and OmniVision Technologies, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in image sensor technology.
Collaborations
Brummer has collaborated with notable professionals in his field, including Jeffrey A. Schuler and Yang Zhao. These partnerships have contributed to the successful development of his patents and innovations.
Conclusion
John Brummer is a distinguished inventor whose work in image sensor technology has led to significant advancements in the industry. His patents reflect his commitment to innovation and excellence in engineering.