1993 FRECON Inverter F1-Series 8 bit Microcontrollers Keypad Operation Firsts Start In Thailand 1995 FRECON Inverter F2-Series 16 bit Microcontrollers with Voltage Flux Control 1996 Heat Intertrade Company Limited LAVA Induction Heat Product 1997 FRECON Inverter F-i Series 32 bit Microcontrollers V/F, Speed Sensor Less & Vector Control with IPM Power Modules 1998 FRECON ARD Automatic Rescue Device For Lift Control 1999 FRECON IX Energy Saving Inverter 2000 FRECON IH Hight Performance Inverter 2001 FRECON IHSV AC Servo High Performance Inverter For Induction Motor 2001 FRECON IH Electric Car Electric Vehicle Car (ODM) 2003 FRECON Air Control   Air Compressor Control Inverter (ODM) 2005 FRECON DC Brushless For Air Control   Air Compressor DC Brushless (ODM)   R&D ENGINEERING CONFERENCE   1. Echancement of Performance of General-Purpose V/F Inverter with Automatic Torque Boost And Automatic Adjustment Method of Accleration / Deceleration Times (International Power Electronics Conference Niigata Japan)       2. A Case study of PWM Inverter-Fed Motor Drive system with Long Motor Cable: Inverter Failures and Mitigation of Line-to-Line Cables Charge Current (EECON-27)       3. An Automatic Adjustment Method of Acceleration / Deceleration Times Base on Current Regulation for Industrial V/F Inverter (EECON-27)       4. Design Method of Automatic Torque Boost scheme for general Purpose V/F Inverter (EECON-26)     5. Development of a Testing System for Industrial Drive using Vector Controller and Bi-Direction Converter (EECON-25)