BERNARD JACK GERSHEN, PE

PERSONAL 
Born: May 6, 1931
Married - Two Children

EDUCATION 
City College of New York, BEE 1953
Widener University, MSE 1973

Additional Graduate Study
Columbia University, Electronics
Baruch School, Industrial Management
Stevens Institute of Technology, Metallurgy

EXPERIENCE 
Leviton Manufacturing Company - 1972 - 1996
Senior Consultant Engineer
Developed consumer products of an advanced nature, Ground Fault, Circuit Interrupters, Immersion Detection Circuit Interrupters, Light Dimmer, Speed Controls, Emergency Lighting, Power Line Carrier, Control System, Immersion Detection System

Control Data Corporation - 1969 - 1972
Staff Specialist
Computer Magnetic Tape Transport Design and Development, Servo Amplifiers, Power Supplies, Digital Tachometer, Amplifier.

General Electric VFSTC, Spacecraft Dep't. - 1967 - 1969
Supervisory Engineer
Power controls and Distribution, Consultant in Space Power Subsystems to German Space Agency for Helios Sun Probe Satellites. PWM Boost Regulator, Stepping Motor Drive Circuit, Fortran Computer Programs.

Delco Radio Division, General Motors - 1959 - 1967
East Coast Resident Applications Engineer
Set up and Maintained field semi-conductor circuits laboratory, delivered papers, wrote application notes, Provided customer technical assistance

ADDITIONAL EXPERIENCE 
Polarad Electronics - 1958 - 1959
Harmon Karden - 1957 - 1958
A. B. DuMont Labs - 1955 - 1957
U. S. Army Signal Corps. - 1953 - 1955

TEACHING EXPERIENCE 
New York Institute of Technology - 1984 - 1986
CCNY School of Technology - 1962 - 1963

PATENTS 
3,413,487 Automatic Polarity Selection
3,297,910 Periodic Light Flasher
3,274,470 Brushless Motor Means
3,273,014 Transistor Ignition System with Protection
3,317,817 Constant Current Regulator
3,471,747 High Pressure Arc Lamp Electronic Ballast 3,873,882 Auxiliary Lighting System for Gaseous Discharge Lamp
4,396,869 Time Responsive Variable Voltage Power Supply
4,709,293 Shock Hazard Protection system (Now called: Immersion Detection Circuit Interrupter)
5,166,853 Shock Hazard Protection System (Additions to 4,709,293)
5,327,047 Electrical dimmer system employing alternately applied silicon controlled rectifiers
5,383,084 Circuit Analyzing System
5,402,298 Shock Hazard Protection System
5,446,383 Method and Apparatus for Detecting Magnetic Anomalies in a Differential Transformer Core
5,477,412 Ground Fault Circuit Interrupter Incorporating Miswiring Prevention Circuitry
5,499,155 Circuit Analyzing System
5,583,730 Shock Hazard Protection System
5,600,524 Intelligent Ground Fault Circuit Interrupter
5,619,081 Asymmetrical AC Trigger Simulation
5,652,511 Method and apparatus for detecting anomalies in a transformer core by rotating such core through a first winding which impresses a flux field in the core and a second winding to detect magnetic
anomalies in the flux established
5,654,857 Ground fault circuit interrupt system including auxiliary surge suppression ability
5,703,458 Capacitor-Type Motor Speed Controller
5,706,155 Ground Fault Circuit Interrupter Incorporating Miswiring Prevention Circuitry
5,715,125 Intelligent Ground Fault Circuit Interrupter
5,729,417 Ground fault circuit interrupter incorporating miswiring prevention circuitry
5,729,421 Circuit analyzing system
5,747,980 Differential Transformer Correction By Compensation
5,801,912 Shock Hazard Protection System
5,841,615 Ground Fault Circuit Interrupt System Including Auxiliary Surge Suppression Ability
5,854,519 Asymmetrical AC Trigger Simulation
5,886,423 Electric Series Circuit
5,963,408 Ground Fault Circuit Interrupter Incorporating Miswiring Prevention Circuitry
6,011,326 Dual Switch and/or Dimmer System Illuminated with Single Neon Lamp
6,016,244 Shock Hazard Protection System
6,111,733 Intelligent Ground Fault Circuit Interrupter
6,176,717 Electrical extension cord with immersion detection circuit interrupter safety protection
6,226,161 Ground fault circuit interrupter incorporating miswiring prevention circuitry
6,252,407 Ground fault circuit interrupter miswiring prevention device
6,469,881 Shock hazard protection system