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For the Inventor, By the Inventor

Mesa, AZ, United States of America

John E Hanna

USPTO Granted Patents = 17

Average Co-Inventor Count = 1.2

ph-index = 7

Forward Citations = 151(Granted Patents)


Location History:

  • Scottsdale, AZ (US) (1977 - 1981)
  • Meas, AZ (US) (1991)
  • Mesa, AZ (US) (1986 - 1995)
  • Chandler, AZ (US) (1999 - 2001)

Company Filing History:

goldMedal17 out of 20,290 
 
Motorola Corporation
 patents

Years Active: 1977-2001

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17 patents (USPTO):Explore Patents
1. 6169800 - Integrated circuit amplifier and method of adaptive offset (2001-01-02),
2. 5955980 - Circuit and method for calibrating a digital-to-analog converter (1999-09-21),
3. 5394036 - Circuit and method of zero generation in a real-time filter (1995-02-28),
4. 5182476 - Offset cancellation circuit and method of reducing pulse pairing (1993-01-26),
5. 5151662 - Circuit and method of signal differentiation (1992-09-29),
6. 5119041 - High gain differential current amplifier having a low output voltage (1992-06-02),
7. 5051628 - Integrated filter circuit (1991-09-24),
8. 5027016 - Low power transient suppressor circuit (1991-06-25),
9. 4996498 - Common mode compensation for differential integrating filter (1991-02-26),
10. 4947103 - Current mirror have large current scaling factor (1990-08-07),
11. 4698737 - DC to DC converter (1987-10-06),
12. 4689651 - Low voltage clamp (1987-08-25),
13. 4591830 - Comparator cell for analog-to-digital flash converter (1986-05-27),
14. 4270062 - 'D' Flip-flop (1981-05-26),
15. 4091321 - Low voltage reference (1978-05-23),

Title: **Innovative Contributions of John E. Hanna in Circuit Design**

Introduction

John E. Hanna, a prominent inventor based in Mesa, Arizona, has made significant contributions to the field of electronics with a total of 17 patents to his name. His innovative work, particularly in integrated circuit design, showcases his dedication to advancing technology and improving device efficiency.

Latest Patents

Among his most recent inventions are two notable patents. The first is the **Integrated Circuit Amplifier and Method of Adaptive Offset - Alert Amplifier**. This patent describes a sophisticated alert amplifier that incorporates a peak detector and an operational amplifier. It dynamically adjusts the bias voltage of a transducer to minimize standby current in the absence of an input ring signal, achieving zero standby current in such scenarios. The second patent, titled **Circuit and Method for Calibrating a Digital-to-Analog Converter**, details a high precision digital-to-analog converter (DAC) that works in conjunction with a low precision DAC and current sources. This innovative design allows periodic calibration of the high precision DAC without needing to take it offline, thus ensuring continued service and functionality.

Career Highlights

John has dedicated a significant part of his career to Motorola Corporation, where he has honed his skills in circuit design and innovation. His work there has not only led to numerous patents but has also contributed to the overall advancement of technology within the company.

Collaborations

Throughout his career, John E. Hanna has collaborated with esteemed colleagues, such as Behrooz L. Abdi and Ira G. Miller. These partnerships have enabled the sharing of ideas and expertise, further enhancing the quality and impact of their collective work in electronic design.

Conclusion

John E. Hanna's contributions to the field of electronics through his numerous patents exemplify his innovative spirit and dedication to enhancing technology. His work at Motorola Corporation and collaborations with fellow engineers underscore the importance of teamwork in driving technological advancements. As the industry continues to evolve, inventors like Hanna play a crucial role in shaping the future of electronics.

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