Company Filing History:

7 out of 4,791

National Semiconductor Corporation

Years Active: 1984-2004

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE38499 - Two-stage amplifier for active pixel sensor cell array for reducing fixed pattern noise in the array output (2004-04-20),

2. 6150683 - CMOS-based color pixel with reduced noise in the blue signal (2000-11-21),

3. 6025875 - Analog signal sampler for imaging systems (2000-02-15),

4. 6002432 - Method for operating an active pixel sensor cell that reduces noise in (1999-12-14),

5. 5923369 - Active pixel sensor cell with differential amplifier and array including (1999-07-13),

6. 5917547 - Two-stage amplifier for active pixel sensor cell array for reducing (1999-06-29),

7. 5899714 - Fabrication of semiconductor structure having two levels of buried (1999-05-04),

8. 5889315 - Semiconductor structure having two levels of buried regions (1999-03-30),

9. 5717360 - High speed variable gain amplifier (1998-02-10),

10. 5710563 - Pipeline analog to digital converter architecture with reduced mismatch (1998-01-20),

11. 5229664 - Programmable differentiator delay (1993-07-20),

12. 4717838 - High input impedance, high gain CMOS strobed comparator (1988-01-05),

13. 4480230 - Large swing CMOS power amplifier (1984-10-30),

Title: Kevin E Brehmer: Innovator in Active Pixel Sensor Technology

Introduction

Kevin E Brehmer is a notable inventor based in San Jose, California, recognized for his contributions to the field of active pixel sensor technology. With a total of 13 patents to his name, Brehmer has made significant advancements that enhance image quality in electronic devices.

Latest Patents

Among his latest patents is a two-stage amplifier designed for an active pixel sensor cell array. This innovation aims to reduce fixed pattern noise in the output of the array. The two-stage amplifier amplifies the output of each cell while maintaining a compact design. By sharing one part of the amplifier among all cells in a column, Brehmer's design effectively increases gain without complicating the cell structure. Additionally, he has developed a CMOS-based color pixel that reduces noise in the blue signal by adjusting the doping concentration of the photodiodes used in blue imaging cells.

Career Highlights

Brehmer has worked with prominent companies in the technology sector, including National Semiconductor Corporation and Foveon, Inc. His experience in these organizations has contributed to his expertise in sensor technology and innovation.

Collaborations

Throughout his career, Brehmer has collaborated with notable colleagues such as Richard B Merrill and Ha Chu Vu. These partnerships have likely fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Kevin E Brehmer's work in active pixel sensor technology exemplifies the impact of innovation on image processing. His patents reflect a commitment to enhancing electronic imaging, making him a significant figure in the realm of technology.

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