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For the Inventor, By the Inventor

Somerville, MA, United States of America

David H Robertson

This inventor holds 16 USPTO granted patents, primarily in Analog Signal Processing. Top assignee: Analog Devices,inc.. Active years: 1991-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David H Robertson. Retrieved from https://idiyas.com/inventor/david-h-robertson

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

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 10

Forward Citations = 241(Granted Patents)


Location History:

  • Somerville, MA (US) (1991 - 1999)
  • Roxford, MA (US) (1999)
  • Boxford, MA (US) (1997 - 2015)

Company Filing History:

goldMedal16 out of 3,704 
 
Analog Devices,inc.
 patents

Years Active: 1991-2015

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Areas of Expertise:
Analog-to-Digital Converter
Digital-to-Analog Converter
Sigma-Delta ADC
Dynamic Range Receiver
CMOS Switch
Gain Linearity Correction
Subscriber Loop Transceiver
Pipeline Architecture
Sample-and-Hold Amplifier
Reference Voltage Distribution
Current Mode Circuit
Differential Switch
16 patents (USPTO):Explore Patents
1. 9184756 - Variable dynamic range receiver (2015-11-10),
2. 7342614 - Methods and apparatus for tuning signals (2008-03-11),
3. 6124813 - Self-linearizing multi-bit DACs (2000-09-26),
4. 6031868 - Asymmetric digital subscriber loop transceivers (2000-02-29),
5. 6028891 - Asymmetric digital subscriber loop transceiver and method (2000-02-22),
6. 5982313 - High speed sigma-delta analog-to-digital converter system (1999-11-09),
7. 5945872 - Two-phase boosted CMOS switch drive technique and circuit (1999-08-31),
8. 5936562 - High-speed sigma-delta ADCs (1999-08-10),
9. 5917809 - Asymmetric digital subscriber loop modem and method (1999-06-29),
10. 5689257 - Skewless differential switch and DAC employing the same (1997-11-18),
11. 5517149 - Gain linearity correction circuit for MOS circuits (1996-05-14),
12. 5418408 - Current mode sample-and-hold amplifier (1995-05-23),
13. 5331221 - Gain linearity correction for MOS circuits (1994-07-19),
14. 5043732 - Analog-to-digital converter employing a pipeline multi-stage architecture (1991-08-27),
15. 4990797 - Reference voltage distribution system (1991-02-05),

Title: David H Robertson: A Pioneer in Signal Processing Innovations

Introduction

David H Robertson is an accomplished inventor based in Somerville, MA, with a remarkable portfolio of 16 patents. His contributions to the field of signal processing have been pivotal in advancing technology, particularly in the development of receivers and tuning apparatuses.

Latest Patents

Among his recent innovations, Robertson has developed a patent for a variable dynamic range receiver. This invention features a signal processing circuit that includes an analog-to-digital converter (ADC) and an output restriction circuit. The output restriction circuit is designed to reduce the digital output accuracy of the ADC when the signal content exceeds a pre-determined spectrum mask within an undesirable band. This enhances the device's performance when the input signal spectrum deviates from the expected parameters.

Another notable invention is the methods and apparatus for tuning signals. This patent outlines a tuner formed on a substrate, comprising a first die that handles the analog input signal and a second die that converts these signals into digital formats to produce output signals. This invention also encompasses a multi-chip module capable of processing television signals across various types and standards.

Career Highlights

David H Robertson's career has been primarily linked with Analog Devices, Inc., a leading firm in the field of analog, mixed-signal, and digital signal processing technologies. His work at the company has led to significant advancements in high-performance signal processing solutions.

Collaborations

Throughout his professional journey, Robertson has collaborated with talented colleagues, including Peter Real and Todd L Brooks. Together, these professionals have nurtured an environment of innovation that fosters the development of groundbreaking technologies.

Conclusion

David H Robertson's contributions to the field of signal processing through his innovative patents highlight his status as a leading inventor in this domain. With a strong foundation in engineering and a commitment to excellence, Robertson continues to influence the future of technology through his inventive spirit and collaborative efforts.

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]
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