Education

• BSEE, Computer Engineering, University of Illinois, Urbana-Champaign

Recognition

• Eight US Patents with Hewlett-Packard:
  • 5663624 - Closed-loop method and apparatus for controlling acceleration and velocity of a stepper motor
  • 8719599 - A method for monitoring subsystem power
  • 6674260 - DC Motor Control (Calibration Based DC Motor Temperature Control)
  • 5898288 - Inexpensive motion control using brushed DC motors
  • 4759649 - Method and apparatus for moving perforated continuous paper through a dual axis printer
  • 6340221 - Ink jet print carriage drive system that applies drive force at location displaced from drive belt
  • 6485383 - A method and apparatus for maintaining a substantially constant belt tension under changing temperature conditions
  • 6017114 - Shifted element scanning/printing routine coordinated with media advance
• Numerous HP trade secrets

Interests / Obsessions

• Sailing to exotic locations
• Downhill skiing
• Woodworking & Metalworking
• Fishing in exotic locations
• Embedded Control Systems
• Engineering in all disciplines
• Family
• Fine wine & great beer

Favorite Quote

Not that there is anything wrong with that
- Seinfeld

Expertise

• Systems Engineering
• Cross disciplinary system optimization
• Feedback control/servo systems
• Dynamic system modeling
• Embedded C programming
• Embedded assembly programming
• Open-loop stepper motor system design
• Digital & analog circuit design
• Inkjet Printers
• Optical sensors

Experience

• Twenty-seven years with Hewlett-Packard designing and developing motion control systems for Ink Jet printers for multiple HP divisions.
• Numerous optical sensor designs for HP Ink Jet printers.
• Electro-mechanical and computerized tool design for analyzing Ink Jet printer dynamic behaviors.
• Founder and Technical Lead for the HP Vancouver Servo team
• Two years as Consulting Engineer for motion control and optical system design for non-HP customers.
• One year contract engineer for Hewlett-Packard working through Sigma Design.