Ed's Creative Works

Patents:

• Ramsden, Edward A. "Hall Sensor with High Pass Hall Voltage Filter", US 4,982,155 Jan. 1, 1991.

• Ramsden, Edward A. "Method for Adjusting Ferrous Article Proximity Detector", US 5,818,222 Oct. 6, 1998.

• Ramsden, Edward A., Guydan, Arthur Douglas "Magnetic Accelerometer", US 6,087,951 Jul. 11, 2000.

• Ramsden, Edward A.; Beiermann, Bradley S. "System for Adjusting a Magnetic Sensor to Detect the Presence of Ferrous Objects", US 6,127,821 Oct. 3, 2000.

• Ramsden, Edward A. "Analog-to-Digital Converters", US 6,809,674, Oct 26, 2004.

• Ramsden, Edward A. "Programmable logic device with hardwired microsequencer", US 6,958,625, October 25, 2005.

• Morse, Douglas C.; Miller, Edward E.; Ramsden, Edward A. "Powering-up a device having digital and analog circuitry", US 7,028,201, April 11, 2006.

• Ramsden, Edward A. "Method for configuring multiple-output phase-locked loop frequency synthesizers", US 7,132,864, November 7, 2006.

• Herrick, John; Yates, Fred; Morgan, Jeffrey Scott; Ramsden, Edward A. "Throttle control method and apparatus", US 7,210,453, May 1, 2007.

• Ramsden, Edward A. "Timer systems and methods", US 7,257,727, August 14, 2007.

• Ramsden, Edward A. "Rotary position sensor", US 7,304,472, December 4, 2007.

Books:

• Ramsden, Ed "Hall Effect Sensors: Theory and Application", 2001 Advanstar Communications, Cleveland OH. ISBN 0-929870-58-1.

• 2nd Edition published Spring 2006 by Elsevier, Burlington, MA. ISBN 0-7506-7934-4.

Selected Papers/Articles:

• D'Angelo, H., Caramanis, M., Finger, S. , Mavretic, A., Phillis, Y., Ramsden, E., "Event-Driven Model of an Unreliable Production Line with Storage", Summer Computer Simulation Conference, Boston, MA July 1984. Proceedings of SCSC 1984.

• Ruane, M., Ramsden, E., D'Angelo, H., Mavretic, A., "The Factory on an Integrated Circuit Chip", 1985 IEEE Proceedings of The International Conference on Cybernetics and Society.

• Ramsden, E., Ruane, M., Caramanis, M., D'Angelo, H., Mavretic, A.,"The Use of Hardware Simulators in Modeling Production Networks", Large Scale Systems Journal, Special Issue on Manufacturing Systems, vol 11, 1986, pp. 149-164.

• Ramsden, E., Ruane, M., D'Angelo, H., Caramanis, M., Mavretic, A., "A Digital Production System Simulation Engine", 1986 IEEE Proceedings of the International Conference on Systems, Man, and Cybernetics, Atlanta, Georgia, October 14-18, 1986.

• Ramsden, E., Mavretic, A., "Functional Electronic Simulation Methods for Microcomputers", 30th Midwest Symposium on Circuits and Systems, August 17-18, 1987, Syracuse, New York, pp. 1-4.

• D'Angelo, H., Caramanis, M., Finger, S.,, Mavretic, A., Phillis, Y., Ramsden, E., "Event-Driven Model of an Unreliable Production Line with Storage", International Journal of Production Research 1988, vol 26, no 7, pp. 1173-1182.

• Ramsden, E., "Measuring Magnetic Fields with Fluxgate Sensors", Sensors, September 1994, vol 11, no. 9, pp. 87-90.

• Ramsden, E., "Reducing Hall Effect Sensor Offsets with Signal Conditioning Circuitry", Sensors, January 1995, vol 12, no. 1, pp. 54-56.

• Ramsden, E., "Solid State Magnetic Geartooth Sensing", Sensors, June 1996, vol 13, no. 6, pp.14-21.

• Ramsden, E., "Ten Easy Things to Do with Magnetic Sensors", Sensors, March 1997, vol 14, no. 3, pp. 16-22.

• Ramsden, E., "The Sensors Glossary of Data Acquisition and Signal Processing", Sensors Data Acquisition Special Issue June 1997, pp. 38-44.

• Ramsden, E., "Instrumentation Amplifiers", Sensors, September 1997, vol 14, no 9, pp.78-81.

• Ramsden, E., "Solid-State Magnetic Speed Sensing", Wescon/97 Conference Proceedings, Santa Clara, CA, November 4-6, pp.340-344.

• Ramsden, E., "Hall Effect Speed Sensors Offer Reliable Operation in Severe Environments", Power Conversion and Intelligent Motion, March 1998, pp. 66-70.

• Ramsden, E., "Putting Teeth in Hall Effect Sensors", Machine Design, April 2, 1998, pp. 67-68.

• Ramsden, E., "Interfacing Sensors and Signal Processing Components", Sensors, May 1998, pp.36-47.

• Ramsden, E., "A Do-It-Yourself Data Acquisition Card (or, DA on the Cheap)", Sensors Data Acquisition Special Issue, June 1998, pp.26-32.

• Ramsden, E., "The Sensors Glossary of Data Acquisition and Signal Processing", Sensor Data Acquisition Special Issue June 1998, pp. 50-54.

• Ramsden, E., "Sensor Applications for Magnetic Materials", Sensors, September 1998, vol 15, no 9, pp.48-54.

• Ramsden, E., "Data Acquisition System Architecture", Machine Plant & Systems Monitor, May/June 1999 pp.10-13.

• Ramsden, E., "Five Ways of Monitoring Electrical Current", Sensors, July 1999, vol 16, no 7, pp.26-38.

• Ramsden, E., "The Magic of Digital Filters", Sensors, July 2000, vol17, no 7, pp. 34-44.

• Ramsden, E., "Temperature Measurement", Sensors, September 2000, vol 17, no 9, pp. 17-27.

• Yang, X., Nagy, M., B. Fok, Ramsden, E., "Single Chip Electrostatic Proximity Sensor", Proceedings of Sensor Expo, September. 19-21, 2000, Detroit MI.

• Yang, X., Nagy, M., B. Fok, Ramsden, E., "Single Chip Electrostatic Proximity Sensor", Sensors, December 2000, vol 17, no 12, pp.22-28.

• Ramsden, E., "An Introduction to Analog Filters", Sensors, July 2001, vol 18, no 7, pp. 24-40.

• Ramsden, E., "The ispPAC Family of Reconfigurable Analog Circuits", Proceedings of 3rd NASA/DOD Workshop on Evolvable Hardware, July 12-14, 2001, Long Beach, CA, pp.176-181.

• Ramsden, E. "Imitating Life: An Introduction to Computer Simulation and Modeling, Part 1", Sensors, May 2002, vol 19, no 5, pp. 14-23

• Ramsden, E., "Imitating Life: An Introduction to Computer Simulation and Modeling, Part 2", Sensors Online, June 2002, www.sensorsmag.com

• Ramsden, E., "An Optical Timing System", Sensors, September 2002, vol 19, no 7, pp. 32-44.

• Ramsden, E. , C. Dix, "Low-Pass Filtering for Vibration Sensors", Sensors, February 2003, vol 20, no 2, pp. 33-37.

• Greenwood ,G., Ramsden, E., S. Ahmed, "An Empirical Comparison of Evolutionary Algorithms for Evolvable Hardware with Minimum Time-to-Reconfigure Requirements", Proceedings of 5th NASA/DOD Workshop on Evolvable Hardware, July 9-11, 2003, Chicago IL, pp.59-66

• Greenwood, G., Hunter, D. , Ramsden, E. "Fault recovery in Linear Systems via Intrinsic Evolution", Proceedings of the 2004 NASA/DOD workshop on Evolvable Hardware, June 24-26, 2004, Seattle WA, pp. 115-122.

• Ramsden, E., Greenwood, G. , Hunter, D. . "EARP-1 - an Evolvable Analog Research Platform", Proceedings of the 2005 NASA/DOD workshop on Evolvable Hardware, June 29-July 1, pp.20-25.

Last Updated 1/1/12