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For the Inventor, By the Inventor

Westford, MA, United States of America

Edwin K Shenk

This inventor holds 25 USPTO granted patents, primarily in Camera Technology. Top assignee: Polaroid Corporation. Active years: 1977-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Edwin K Shenk. Retrieved from https://idiyas.com/inventor/edwin-k-shenk

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

USPTO Granted Patents = 25

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 12

Forward Citations = 305(Granted Patents)


Company Filing History:

goldMedal25 out of 2,176 
 
Polaroid Corporation
 patents

Years Active: 1977-1998

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Areas of Expertise:
Autofocus
Camera Control
Lens Movement
Exposure Control
Sonic Autofocus
Digital Motor Control
Contrast Control
Phase Locked Loop
Sonar System
Continuous Linear Interpolation
Scanning Blade Encoding
Zone Focusing
25 patents (USPTO):Explore Patents
1. 5774626 - Programmable dual-phase digital motor control with sliding (1998-06-30),
2. 5676019 - Nut assembly using partial nuts to limit harmonic error (1997-10-14),
3. 5526255 - True zoom capability on a spot scanning electronic printer (1996-06-11),
4. 5483202 - Compensated phase locked loop for generating a controlled output clock (1996-01-09),
5. 4894794 - System for providing continous linear interpolation (1990-01-16),
6. 4663667 - Contrast control circuit (1987-05-05),
7. 4531822 - Extended sonic acceptance angle (1985-07-30),
8. 4490814 - Sonic autofocus camera having variable sonic beamwidth (1984-12-25),
9. 4440482 - Sonic autofocus camera having variable sonic beamwidth (1984-04-03),
10. 4396268 - Dual burst, wide range sonar system (1983-08-02),
11. 4348089 - Lens movement actuated reference and sequencing means for cameras having (1982-09-07),
12. 4336987 - Camera employing zone focusing (1982-06-29),
13. 4317624 - Strobe camera having range correlated scanning blade endoding (1982-03-02),
14. 4309098 - Autofocus cine camera having automatic variable speed focusing (1982-01-05),
15. 4294531 - Auto-focus movie camera (1981-10-13),

Title: Edwin K. Shenk: Innovator in Digital Motor Control and Precision Movement Devices

Introduction: Edwin K. Shenk, based in Westford, Massachusetts, is a prolific inventor with 25 patents to his name. His inventive work primarily focuses on motor control systems and mechanisms that enhance precision in movement devices.

Latest Patents: Among his notable inventions, Shenk's latest patents include:

1. **Programmable dual-phase digital motor control with sliding:** This innovation features a digital motor control that is programmable and utilizes dual digital phases with sliding proportionality. It intelligently adjusts the speed of a motor by modifying both the direction and the speed proportionally to the motor speed error.

2. **Nut assembly using partial nuts to limit harmonic error:** This patent presents a unique nut assembly designed for lead screws in precision movement devices. It compensates for harmonic errors by integrating multiple partial nuts that move independently along an axis, allowing for significantly linear motion through an averaging apparatus.

Career Highlights: Shenk is currently associated with Polaroid Corporation, where he contributes his expertise in developing innovative solutions that push the boundaries of motor control and precision mechanisms. His career features significant advancements that have impacted both industrial applications and consumer products.

Collaborations: Throughout his career, Edwin K. Shenk has collaborated with other notable inventors, including Conrad H. Biber and Shirley Y. Tam. These partnerships have fostered an environment of creativity and technical exploration, resulting in several breakthroughs in their respective fields.

Conclusion: Edwin K. Shenk's contributions as an inventor have significantly advanced the technology of motor control and motion systems. His work stands as a testament to the power of innovation and the impact inventors have on modern engineering challenges. With a solid portfolio of patents and a commitment to technological advancement, Shenk continues to inspire the next generation of inventors and engineers.

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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