Christopher W Mangelsdorf

This inventor holds 15 USPTO granted patents. Top assignees: Analog Devices,inc., Other. Active years: 1986-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Christopher W Mangelsdorf. Retrieved from https://idiyas.com/inventor/christopher-w-mangelsdorf

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 10

Forward Citations = 220(Granted Patents)

Location History:

Cambridge, MA (US) (1986)
Reading, MA (US) (1989 - 2000)

Company Filing History:

14 out of 3,701

Analog Devices,inc.

patents

1 out of 834,513

Other

patents

Years Active: 1986-2000

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6018364 - Correlated double sampling method and apparatus (2000-01-25),

2. 5886579 - Variable gain CMOS amplifier (1999-03-23),

3. 5757440 - Method and apparatus for providing an offset level to an image signal (1998-05-26),

4. 5757230 - Variable gain CMOS amplifier (1998-05-26),

5. 5736886 - Input clamping method and apparatus with a correlated double-sampling (1998-04-07),

6. 5418408 - Current mode sample-and-hold amplifier (1995-05-23),

7. 5412385 - Error correction testing system and method for a multistage A/D converter (1995-05-02),

8. 5387914 - Correction range technique for multi-range A/D converter (1995-02-07),

9. 5210537 - Multi-stage A/D converter (1993-05-11),

10. 5184130 - Multi-stage A/D converter (1993-02-02),

11. 5043732 - Analog-to-digital converter employing a pipeline multi-stage architecture (1991-08-27),

12. 4990797 - Reference voltage distribution system (1991-02-05),

13. 4924227 - Parallel analog-to-digital converter (1990-05-08),

14. 4884075 - Decoding circuit for flash-type analog-to-digital converter (1989-11-28),

15. 4596976 - Integrated circuit analog-to-digital converter (1986-06-24),

Title: Christopher W Mangelsdorf: Innovator in Signal Processing

Introduction

Christopher W Mangelsdorf is a notable inventor based in Reading, MA (US). He has made significant contributions to the field of signal processing, holding a total of 15 patents. His work focuses on developing methods and apparatuses that enhance the quality and reliability of signal processing.

Latest Patents

Among his latest patents is the "Correlated double sampling method and apparatus." This invention provides a method and apparatus for removing low-frequency noise and offsets common to multiple samples of a signal. It calibrates an offset level to reference the signal to a desired level at the output of the apparatus. The apparatus includes a correlated double-sampling circuit that takes two samples of the analog signal, removes low-frequency noise, and outputs a difference signal. Additionally, it features a black level correction circuit that adds an offset level to the difference signal, ensuring it meets the desired reference level. Another significant patent is the "Variable gain CMOS amplifier," which includes an input transconductor with variable transconductance and an output circuit with variable transresistance. This amplifier's voltage gain is approximately an exponential function of the gain control signal, providing enhanced performance in various applications.

Career Highlights

Christopher has worked with reputable companies, including Analog Devices, Inc. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the field of electronics and signal processing.

Collaborations

Throughout his career, Christopher has collaborated with notable professionals, including David H Robertson and Peter Real. These collaborations have further enriched his work and contributed to the advancement of technology in his field.

Conclusion

Christopher W Mangelsdorf is a distinguished inventor whose work in signal processing has led to numerous patents and innovations. His contributions continue to impact the industry positively, showcasing the importance of creativity and technical expertise in advancing technology.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]