Patrick S Lee

This inventor holds 9 USPTO granted patents. Top assignees: Sperry Corporation, Ampex Corporation. Active years: 1981-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Patrick S Lee. Retrieved from https://idiyas.com/inventor/patrick-s-lee

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 8

Forward Citations = 98(Granted Patents)

Company Filing History:

Years Active: 1981-1987

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4638230 - Bang-bang controlled velocity command generator (1987-01-20),

2. 4516178 - Cylinder crossing detection circuit for disc drive or the like (1985-05-07),

3. 4398154 - Read channel gate generator with self-adjusting pulse width compensator (1983-08-09),

4. 4371842 - Self-adjusting dual mode automatic gain control circuit (1983-02-01),

5. 4329721 - Tachometer for deriving average velocity output by sampling position (1982-05-11),

6. 4319288 - Current injection tapped delay line spectral shaping equalizer and (1982-03-09),

7. 4300080 - Power driver control circuit for servo actuator (1981-11-10),

8. 4288731 - Average value tachometer for a disc drive servo and the like (1981-09-08),

9. 4264935 - Balanced tapped delay line spectral shaping differentiation circuit for (1981-04-28),

Title: The Innovative Mind of Patrick S. Lee

Introduction

Patrick S. Lee, a prominent inventor based in Campbell, California, has made significant contributions to the field of data storage technologies. With a total of nine patents to his name, Lee's work reflects a deep understanding of servo systems and data management.

Latest Patents

Among his most recent inventions are two notable patents. The first, titled "Bang-bang Controlled Velocity Command Generator," addresses improvements in disc information storage systems. This innovation enhances the production of velocity command signals by adding discrete velocity steps in areas that would traditionally indicate a singular velocity value.

The second, "Cylinder Crossing Detection Circuit for Disc Drive or the Like," introduces an improved method for counting servo tracks within position servo systems. This technique produces a single pulse each time the servo data demodulation signal crosses a reference level, with the pulse width calibrated according to the velocity of the servo head in relation to the storage medium.

Career Highlights

Patrick S. Lee has had an illustrious career, notably working with esteemed companies such as Sperry Corporation and Ampex Corporation. His experiences at these organizations have shaped his innovative ideas and provided a platform for advancing technology in data storage.

Collaborations

Throughout his career, Lee has collaborated with accomplished professionals, including John Cuda. Their teamwork has fostered creative solutions and advancements within the field of data storage and manipulation.

Conclusion

Patrick S. Lee's contributions to technology are marked by his inventive spirit and commitment to innovation. His patents not only showcase his expertise but also highlight the importance of continuous development in the realm of data storage solutions. His work stands as a testament to the impact of innovative thinking in improving technology for future generations.

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]