Jeffrey R. Stone
Wilton Softworks

Consulting Software Engineer Specializing in Embedded
Real-time, Scientific and Industrial Applications

41 Tremont St. · Wilton, NH 03086
(603)654-2994
(Request my E-mail address)
Member, Consultants' Consortium

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Summary of Experience

Technologies: Embedded Real-Time Systems Event-driven Systems Multitasking Systems Data Acquisition Digital Filtering Neural Networks Automated Measurement Speech Synthesis Laser Ablation Sonar Gas Chromatography Capillary Electrophoresis Pneumatic Controls Thin-film Fabrication & Testing DNA and Peptide Synthesis Ion Mobility Spectrometry Electro-Medical Devices FDA Good Development-Procedures Guidelines Model-based Software-Engineering

Operating Systems: AT&T Unix System-V MS Windows XP, 2000, NT, 95, 3.1, MS-DOS DEC OS/8, RT-11, RSX-11/M,M+, RSTS/E, VAX/VMS, ULTRIX DGC RTOS, RDOS Kadak AMX Phar Lap ETS Languages: C, C++, MS Visual C++ AWK FORTRAN and variants BASIC Most assembly languages

Hardware: IBM PCs and compatibles Intel 80x86 family Analog Devices ADMC-300 Digital Signal Processor NSC-32000 Sun 50 work-station Motorola MC68000 (NCR Tower) DEC PDP /7, /8, /9, /11, Micro-VAX- II DGC Nova, Nova 1200

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Consulting Experience
January 1975 - Present:
Independent software consultant on projects including the following:

Wilton Softworks, Wilton, NH, 8/06 - present
Designed and implemented a language-independent UML-state-machine to code generator for designing, generating, maintaining and documenting event driven systems. (C, AWK, UML, Software tools, Model-based Software-Engineering)

Zoll Medical Corp., Chelmsford, MA, 11/05 - 9/06
Maintained and updated control software for cardiac defibrillator/pacer/monitors. Designed and installed firmware upgrades for feature enhancements. Improved performance and reliability. Wrote and executed software release test procedures. Responsibilities included code design, code reviews, quality assurance test design, testing and documentation, and software change documentation. (C, Electro-medical devices, FDA)

Cytyc Corp. , Boxborough, MA, 7/03 - 12/04
Maintained and updated control software for automated cytologic micro-slide preparation system and slide reviewing station. Engineered and documented release of updated control software for another micro-slide preparation system. Debugged code and improved effciency and reliability. Designed & used Shlaer-Mellor/UML state-diagrams for automatic code-generation. Documented existing code with Shlaer-Mellor state diagrams. Responsibilities included code design, code reviews, software testing and change documentation. (C++, Motorola 68332, Electro-medical device, FDA, Shlaer-Mellor, UML, IBM Rational Rose, Model-based Software-Engineering)

Cytyc Corp. , Boxborough, MA, 4/02 - 8/02
Updated control software for cytologic micro-slide preparation system. Fixed bugs, increased reliability and improved operation, in an ISO9001-certified company under FDA Good Manufacturing Procedures Guidelines. Designed & used Shlaer-Mellor state-diagrams for automatic code-generation. Documented existing code with Shlaer-Mellor state diagrams. Responsibilities included code design, code reviews, software testing, and change documentation. (C++, Motorola 68332, System Architect, Electro-medical device, FDA, Shlaer-Mellor, Model-based Software-Engineering)

Arthur D. Little, Inc. , Cambridge, MA, 1/01 - 7/01
Designed software architecture and wrote control program for two channel acoustic blood-clotting analyzer. Designed and implemented state machine interpreter, inter-thread messaging and timed- messaging facilities. Designed communication protocol between embedded system and graphical user interface. (C, Intel 80586, Phar Lap ETS Kernel)

Voice Signal Technologies , Cambridge, MA, 9/00 - 11/00
Researched and recommended networking technologies for networking a voice activated product. Designed prototype software to run on a hand-held computer for researching voice input strategies.

Polaroid Graphics Imaging , Waltham, MA, 4/99 - 6/00
Wrote electro-mechanical firmware for high end color laser printer including motor servo control and finite state machine library routines. Upgraded existing code to use new library features. Troubleshot and isolated motor problem in new hardware upgrade. (C, Motorola MC68332, Laser Printing, Sparc workstation, Sun Solaris, ClearCase)

Double E Company , W. Bridgewater, MA, 10/97 - 12/98
Designed firmware to control electronic industrial brake. Designed and implemented programs to simulate & test control algorithms. Designed and implemented inter-processor communication between single board computer and three DSPs. (C, C++, Analog Devices ADMC 300 DSP Assembler, Intel 80386EX)

Resonetics, Inc. , Nashua, NH, 12/97 - 5/98
Designed and implemented a control program for laser ablation micro-machining system including operating a rotary stage and control of the laser. Designed user interface and communication protocol. (C, 80486, laser micro-machining)

Ion Track Instruments, Incorporated , Wilmington, MA, 4/97 - 12/97
Designed and implemented software enhancements to control pneumatic paper-handling devices for explosives trace detectors to collect and inspect airline passengers' boarding passes for explosive residues. (C, C++, 80486, GUI, Pneumatics, Data Acquisition, Ion Trap Mobility Spectrometry)

Ion Track Instruments, Incorporated , Wilmington, MA, 6/95 - 8/97
Designed, implemented, and enhanced software for hand-held portable Ion Trap Mobility Spectrometer for narcotics and explosives vapor detection. Portable unit can communicate with host computer to record spectra and maintain substance data base. Enhanced software to include LCD display and push-button controls. Added functionality including field calibration ability. (C, 80486, Data Acquisition, Ion Trap Mobility Spectrometry)

Ion Track Instruments, Incorporated , Wilmington, MA, 2/95 - 8/97
Enhanced software in second generation narcotics and explosives trace detectors for vapor and surface contamination, including improvements to detection algorithms and GUI. Added touch screen controls and support for alternate data acquisition hardware. Created common set of sources for similar instruments and placed under revision control. Product received Technology Innovation Award from Aviation Week and Space Technology magazine. (C, C++, 80486, GUI, Data Acquisition, Ion Trap Mobility Spectrometry)

Certek Corp., Bedford, MA, 12/94 - 2/95
Consulted on and provided software support for development of electronic industrial braking system. Recommended single board computers, data acquisition equipment, and software development tools. (C, Intel 80186)

Ion Track Instruments, Incorporated , Wilmington, MA, 12/93 - 12/94
Enhanced software for explosive vapor detector, added neural network classifier, trained neural net to identify explosive compounds. (C, 80186, AMX, Neural Networks)

Medical Laboratory Automation , Inc., Pleasantville, NY, 11/93 - 12/93
Designed and wrote programs to simulate blood clotting time tester and clotting time tester programmer, communicating via RS-232. (C, Intel 8086)

Waters division of Millipore Inc., Milford, MA, 10/93 - 5/94
Enhanced a capillary electrophoresis system, adding remote control via serial line. (C, Wildcard 8088)

Waters division of Millipore Inc. , Milford, MA, 1/92 - 3/92
Supported development of capillary electrophoresis system during change of personnel. Identified and fixed bugs , added support for new hardware, implemented new software features. (C, Wildcard 8088)

Ion Track Instruments, Inc. , Burlington, MA, 12/89 - 7/93
Designed and implemented a real-time embedded control program to collect, filter, and analyze continuous gas-chromatograms for detection of explosives. (C, 80186, AMX)

Waters Division of Millipore Corp. , Milford, MA, 9/88 - 9/89
Designed and implemented real-time embedded control program for capillary electrophoresis system. (C, Wildcard 8088)

MilliGen Division of Millipore Corp. , Bedford, MA, 4/87 - 4/88
Modified DNA synthesizer control program for two new products: peptide synthesizer and peptide sequencer. (C, 80186, AMX)

MilliGen Division of Millipore Corp. , Bedford, MA, 3/86 - 2/87
Designed and implemented real-time multi-tasking control program for DNA synthesizer. Wrote functional and architectural specifications , designed and implemented the software. Consulted on functional capabilities and means to achieve them. Specified and purchased software and hardware tools. Interviewed candidates for permanent software engineering positions. Trained successful candidate. (C, 80186, AMX)

GenRad, Inc. , West Concord, MA, 9/85 - 1/86
Designed and implemented core functions of a run-time executive for printed-circuit board tester and other projects. (C, NSC-32000 Assembly, NSC-32000, Sun 50 workstation, UNIX, ULTRIX)

U.S. Windpower Inc. , Burlington, MA, 3/85 - 4/85
Designed and implemented real-time wind-data collection system. (C, MS-DOS, NEC APC-II, Intel 8086)

U.S. Windpower , Burlington, MA, 12/84 - 1/85
Wrote software specifications and recommended components for data display device to simulate a strip chart recorder. (C, MS-DOS, NEC APC-II, Intel 8086)

F & S Systems , Framingham, MA, 7/84 - 1/85
Designed and wrote code for a Network Virtual Terminal program for use on ARPA Telnet. Designed and implemented protocol-based telecommunication & file transfer program. Designed and implemented debugging aid to merge C source with compiled code. (C, Unix, MC68000, Telnet, TCP/IP)

General Computer Resources , Waltham, MA, 3/83 - 12/85
Designed and implemented program generator for turbo-jet engine inspection system. Designed and debugged prototype inspection code. (C, PDP-11, Bendix Cordax measurement system & BMIL language)

GenRad, Inc. , W. Concord, MA, 3/80, 9/80, 4/81
Modified control programs for thin-film resistor trimmer to support new system hardware. (PDP-8 Assembly)

Digital Equipment Corp. , Maynard, MA, 4/81 - 7/81
Enhanced the parser for DecNet Network Control Programs under three operating systems. (structured PDP-11 Macro Assembly Language, DecNet, RSTS/E, RSX-11/M, RSX-11/M+)



Education

Boston University College of Engineering, Bachelor of Science in Engineering Management with emphasis on Computer Science.

United States Peace Corps, was trained in classroom teaching, language (Chinyanja) and cross-cultural studies. Taught Algebra, Physics, and Health Science to high-school students in the Republic of Malawi (in southern Africa).



Copyright © 2007 Jeffrey R. Stone & Software Contractors Guild
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