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 Expert  718830

Expert in Electronic Product Development

Available for your Consulting and Expert Witness Needs

Wisconsin (WI)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise:

Listed with other top experts in: 

Expert has designed analog circuits that measure current or voltage signals from temperature, pressure, flow, and conductivity transducers. He has designed isolated, 4-20 mA current loop transmitters. The analog circuits provide inputs to or outputs from microprocessor-based controllers.

analog circuit


analog circuit application


analog circuit design


circuit design

Expert has written assembly language programs for 8-, 16-, and 32-bit microprocessors. His primary experience is with the Motorola family of microprocessors that includes the 68HC05, 68HC11, 68HC16, 68000, and 68HC300 family of parts. He has experience with derivatives of the Intel family of microprocessors, Intel 8051, including the Zilog Z-80 and NEC V-25 parts. The programs Expert has written are for real-time control of a machine or a process.

assembly language




microprocessor circuit


68000 microprocessor

Expert has developed cooling tower and boiler controllers that automatically dispense chemicals based on time-of-day, water flow, or measured conductivity algorithms. These controllers include self-test, self-calibration, and error-reporting capabilities. The controllers interface to a computer via optically isolated digital outputs, 4-20 mA current loops, or serial communications protocols.

automatic control


automatic control device


microcontroller application

Expert has developed MS-DOS based computer systems to record real-time data from temperature, pressure, flow, conductivity, and animal activity transducers. The data recorded by these systems were used to develop the control algorithms for microprocessor-based products and to verify the operation of these products.

computerized analytical instrumentation

Expert has developed electronic circuits to measure the conductivity of fresh water, pure water, and ion-exchange resin. These microprocessor-based circuits measure conductivity from 0.1 micro-Siemens to 10,000 micro-Siemens. A recent project included the design, development, and testing of a conductivity cell.

conductometric analysis

Expert has designed microprocessor-based products for use in industrial, agricultural, commercial, and consumer markets. Several of these products are battery powered while others are powered from a conventional AC line. The animal activity monitor Expert designed and patented operates for two years from one AA size lithium battery. Expert has extensive experience designing microprocessor hardware and software for 8-, 16-, and 32-bit microprocessors.

digital circuit


digital control electronics science


digital control system

The scope of Expert's involvement in the design of electronic products includes the design and construction of engineering models (prototypes) and pre-production units. Expert tests these units for compliance with appropriate standards and customer requirements. He has evaluated prototypes as well as existing products to determine the cost to manufacture the product and the cost per feature.

electronic product prototype

Expert has designed electronic products which have been awarded ten U.S. patents and numerous foreign patents. He received royalty income from patents he owns and has licensed to other companies. He has studied patent claims to provide expert opinions in patent infringement lawsuits. He has testified as an expert witness at a patent infringement trial.

electronic product technology innovation

Expert completed the development of an RTD (resistance temperature device) input module for Allen-Bradley's SLC 500 programmable industrial controller. The module uses analog and digital (microprocessor) circuits to convert the resistance of an RTD to temperature. The module provdies high accuracy (+/- 0.5 C) over a wide range of temperatures (-200C to +850 C). In addition, the device works with 12 different types of RTDs. The algorithms used to convert RTD resistance to temperature comply with international standards for each respective RTD type (platinum RTDs, copper RTD, etc.) Expert also completed the development of an 8-channel, high-speed analog input module for Allen-Bradley's SLC 500 programmable industrial controller. The module measures current and voltage, using a 16 bit A/D converter controlled by a microprocessor, with an accuracy of better than +/- 0.1% over an operating temperature range of 0 to 60 C.

combined analog/digital circuit


temperature sensor

Expert developed a 3-axis magnetice field sensor that is optimized to detect slowing, moving, or stopped vehicles. The sensor's microprocessor is programmed with an algorithm that calculates deviations in magnetic field intensity while continuously compensating for circuit offset and gain variations.

magnetic field measurement

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Chicago, Illinois;  Rockford, Illinois;  Aurora, Illinois;  Elgin, Illinois;  Waukegan, Illinois;  Milwaukee, Wisconsin;  Madison, Wisconsin;  Green Bay, Wisconsin;  Kenosha, Wisconsin;  and Racine, Wisconsin.

Year   Degree   Subject   Institution  
1973   M.S.   Biomedical Engineering   Marquette University  
1970   B.S.   Electrical Engineering   Marquette University  

Work History:
Years   Employer   Department   Title   Responsibilities

1974 to


(Expert's Firm)



President and Consultant/Design Engineer


Expert designs microprocessor-based products that meet a customer's marketing requirements.

1973 to 1974


Kimberly Clark



Contract Engineer


He implemented and validated a computer simulation of a pulp mill.

1971 to 1973


Marquette University


College of Engineering


Teaching Assistant


He taught computer programming (FORTRAN IV) to freshman engineering students.

2010 to 2011


Milwaukee School of Engineering



Adjunct Assistant Professor


He taught an introduction to electrical engineering course to non-electrical engineering students.

Career Accomplishments:

Expert holds a Professional Engineer license.


Three consulting/design projects which he has completed have been featured in DESIGN NEWS.

Publications and Patents Summary

Expert has undertaken R&D projects which have produced fifteen U.S. patents and numerous foreign patents. He also has 3 published publications regarding electronic activity.

Consulting Services:
Selected Consulting Examples:
  • He provided technical analysis of products as part of patent infringement lawsuits.
  • He provided technical overview of electronic product design activity for a start-up company.
Recent Client Requests:
  • Electronic expert for consulting on electronic vehicle controls prototype.
  • Expert in PC serial communications for consulting on sending a signal over a single wire that can be used to connect to the serial port on a computer device.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Expert reverse engineered and analyzed microprocessor-based industrial control products for patent infringement litigation. Expert testified as an expert witness at a patent infringement trial.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Market Research:
Expert has successfully marketed the rights to five U.S. patents and numerous foreign patents.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.


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