2026 Andrew Longacre: Electronics and Electrical Engineering Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	National Ranking	Publications	Citations
Electronics and Electrical Engineering	31	6445	2110	40	11348

Discipline name

D-Index

World Ranking

National Ranking

Publications

Citations

Electronics and Electrical Engineering

6445

2110

11348

Research.com Recognitions

1946 - Fellow of American Physical Society (APS)
1938 - Fellow of the American Association for the Advancement of Science (AAAS)

Best Publications

Optical reading apparatus having image sensor

Thomas J. Koziol;Michael A. Ehrhart;Andrew Longacre;Robert M. Hussey

1091
Citations
Picture taking reading apparatus

Thomas P. Hawley;Michael A. Ehrhart;Andrew Longacre;Robert M. Hussey

634
Citations
Optical reader having an imager

Michael A. Ehrhart;Andrew Longacre

539
Citations
System and method to manipulate an image

Andrew Longacre;Thomas Hawley;Matthew Pankow

532
Citations
Decoding utilizing image data

Timothy P Meier;Robert C. Gardiner;Jeffrey Dean Harper;John Izzo

519
Citations
Optical reader having a color imager

Michael A. Ehrhart;Andrew Longacre

498
Citations
Two dimensional data encoding structure and symbology for use with optical readers

Andrew Longacre;Rob Hussey

469
Citations
Optical reader having improved autodiscrimination features

Andrew Longacre;Robert M. Hussey;Michael A. Ehrhart;Thomas J. Koziol

455
Citations
Imaging device operative for image processing

Andrew Longacre;Robert M. Hussey;Timothy P. Meier;James B. Rosetti

434
Citations
Bar code scanner providing aural feedback

Andrew Longacre;Robert M. Hussey

414
Citations
SYMBOL CONTROL TYPE IMAGE DATA READING SYSTEM

Longacre Andrew;Hussey Robert M

405
Citations
Method for generating real time degree of focus signal for handheld imaging device

Robert M. Hussey;Andrew Longacre

374
Citations
Optical reader having improved scanning-decoding features

Robert M. Hussey;Andrew Longacre;Michael A. Ehrhart;Thomas J. Koziol

369
Citations
Optical reader system comprising local host processor and optical reader

James A. Parker;Thomas J. Koziol;Michael A. Ehrhart

365
Citations
Optical reader having improved menuing features

Michael A. Ehrhart;Thomas J. Koziol;Andrew Longacre;Robert M. Hussey

363
Citations
Object sensor system for stationary position optical reader

Andrew Longacre;Robert M. Hussey

363
Citations
Apparatus for optimizing throughput in decoded-output scanners and method of using same

Andrew Longacre;Robert M. Hussey;John M. Pidhirny

353
Citations
Method of programmable digitization and bar code scanning apparatus employing same

Andrew Longacre;Charles M. Hammond;William H. Havens;John M. Pidhirny

346
Citations
Optical reader configured to accurately and rapidly read multiple symbols

Carl W. Gerst;Andrew Longacre

321
Citations
Analog reconstruction circuit and bar code reading apparatus employing same

Charles M. Hammond;Andrew Longacre;William H. Havens

306
Citations

If you think any of the details on this page are incorrect, let us know.

Related Online Degrees & Career Pathways

Studying Electronics and Electrical Engineering opens doors to various specialized fields and career opportunities. Many students complement their technical skills by exploring online degrees that focus on project management. For those interested, a bachelor project management program can provide essential skills to lead engineering projects efficiently.

Working professionals pursuing further education often seek flexible options. Online degree programs for working adults offer accelerated pathways tailored to fit demanding schedules, making it easier to advance careers without interrupting work commitments.

For those interested in educational technology and corporate training within engineering contexts, a master's in instructional design can be valuable. Programs such as instructional design masters degree online teach how to create effective learning experiences for technical subjects.

Another growing trend is competency-based education, which allows students to progress by demonstrating mastery rather than time spent in class. Exploring competency based programs can provide a more personalized and efficient learning path aligned with professional skills and goals.