David Hernandez

This inventor holds 25 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 2 EPO patents, primarily in Haptic Technology. Top assignees: Texas Instruments Corporation, Altium Packaging LP, Kimberly-Clark Worldwide, Inc.. Active years: 1992-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Hernandez. Retrieved from https://idiyas.com/inventor/david-hernandez

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

USPTO Granted Patents = 25 (Patent Applications = 2)

% Patents Active = 100.0

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 2

Average Co-Inventor Count = 2.4

ph-index = 12

Forward Citations = 482(Granted Patents)

Location History:

Albuquerque, NM (US) (1992)
Plano, TX (US) (2001 - 2003)
Bronx, NY (US) (2013)
Dade City, FL (US) (2013)
Mableton, GA (US) (2014)
Mexico City, MX (2017)
Dallas, TX (US) (2016 - 2018)
Tooele, UT (US) (2020)
Atlanta, GA (US) (2021)
Fort Worth, TX (US) (2020 - 2022)
Marietta, GA (US) (2021 - 2022)

Company Filing History:

13 out of 29,901

Texas Instruments Corporation

Kimberly-Clark Worldwide, Inc.

5. 5 out of 834,570

Other

patents

Years Active: 1992-2022

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Areas of Expertise:

Haptic Controllers

Audio Amplifiers

Impedance Tracking

BEMF Feedback

PWM Signal Generator

Resonance Tracking

Vibration Control

Eccentric Motors

Sterilization Containers

Diagnostic Systems

Customer Support Automation

Snoring Reduction

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11503404 - Speaker enhancement and linearization using BEMF feedback (2022-11-15),

2. 11470434 - System and method for estimating temperature of voice coil (2022-10-11),

3. 11374522 - Adaptive model feedback for haptic controllers (2022-06-28),

4. 11316507 - Pulse width modulation (PWM) signal generator (2022-04-26),

5. D947032 - Container (2022-03-29),

6. D932311 - Container (2021-10-05),

7. 11121662 - Closed loop resonance tracking using phase matching (2021-09-14),

8. D927982 - Container (2021-08-17),

9. 11027884 - Container and method of manufacturing the same (2021-06-08),

10. D920799 - Container (2021-06-01),

11. 10813440 - Cellphone attachment cord apparatus (2020-10-27),

12. 10609477 - Control system for regulation of boosted audio amplifier (2020-03-31),

13. 10054622 - Method and apparatus for LRA real time impedance tracking and BEMF extraction (2018-08-21),

14. 10013859 - Integrated circuit with single wire haptic vibration control and selective open loop operation (2018-07-03),

15. 9800191 - Adaptive linear resonance actuator controller (2017-10-24),

Title: David Hernandez: Innovator in Speaker Technology

Introduction

David Hernandez is a prolific inventor based in Dallas, TX, with an impressive portfolio of 24 patents. His work primarily focuses on advancements in speaker technology, demonstrating significant innovation in audio systems. Hernandez's contributions provide essential enhancements to speaker performance, benefiting both the audio industry and consumers.

Latest Patents

Hernandez's most recent patents showcase his expertise in improving sound quality and system efficiency. One notable patent, titled "Speaker enhancement and linearization using BEMF feedback," introduces a sophisticated system that includes a feedforward path coupled to a signal input and a speaker. It features a back electromotive force (BEMF) extractor designed to optimize speaker performance through advanced filtering and amplification techniques.

Another pivotal invention, the "System and method for estimating temperature of voice coil," offers a solution for determining the temperature of a speaker's voice coil. This system employs pre-emphasis filters to accurately map digitized current and voltage sense signals, enhancing the reliability and effectiveness of speaker performance monitoring.

Career Highlights

Throughout his career, David Hernandez has worked with Texas Instruments Corporation, gaining invaluable experience in the field of audio technology and electronics. His time at such a renowned company has allowed him to develop innovative solutions that push the boundaries of speaker systems.

Collaborations

Hernandez has collaborated with notable colleagues in the industry, including Grover Manderfield and Joe Palmer. These partnerships have fostered a dynamic environment for creativity and innovation in speaker technology, enabling Hernandez to enhance his inventions further.

Conclusion

David Hernandez exemplifies the spirit of innovation with his extensive body of work and contributions to speaker technology. His latest patents reflect a commitment to excellence and a passion for improving audio systems, solidifying his position as a key innovator in his field. As he continues to develop groundbreaking solutions, Hernandez's impact on the industry promises to be profound and enduring.

Profile summary based on public USPTO records.