Over-voltage protection circuitry for use with a PCMCIA modem card or a mobile modem is disclosed. The protection circuitry detects excessive voltage between the tip and ring lines of a telephone subscriber loop when the modem is "off-hook", and immediately places the modem "on-hook", protecting the line interface circuitry, when the over-voltage condition is detected. The over-voltage protection circuitry of the present invention may share common components and signal lines with the modem's ring-detection circuitry, and may be implemented using a minimal number of additional components.
Aug 2009 to Present IT Steering CommitteeLane College
Aug 2000 to Present Instructor of Computer ScienceLane College Jackson, TN Oct 2007 to May 2008 STEM Grant collaboratorLane College Jackson, TN Oct 2007 to May 2008 Grant witer for Target Infusion Proposals to Department of EnergyISEEMAN Baltimore, MD Jun 2000 to Aug 2000 PC SpecialistUniversity of Baltimore Baltimore, MD Jan 2000 to May 2000 Project: Paperless Working Environments for the HR Deptniversity of Baltimore Baltimore, MD Jan 2000 to May 2000 Project: Homepages for the Marketing Dept.University of Baltimore Baltimore, MD Jul 1999 to May 2000 Graduate AssistantCharm City Concierge Inc. Baltimore, MD Jan 1999 to May 1999 Project: Oracle Relational Database for Charm City Concierge Inc.Portland State University
Jul 1997 to Aug 1998 TutorPortland State University Portland, OR Jun 1996 to Aug 1997 VP-Finance of Information System Student AlumniPortland State University Portland, OR Jan 1997 to Jun 1997 Project: Oracle Relational Database for MIS Job SearchPortland State University Portland, OR Sep 1996 to Dec 1996 Project: An Inventory System for Henrys BookstorePortland State University Portland, OR May 1995 to May 1996 President of Chinese Student Association
Education:
University of Baltimore Baltimore, MD Jan 2000 Master of Science in Management Information SystemsPortland State University Portland, OR Jun 1998 Bachelor of Arts in Business Administration