Automatic screen printer equipment for HIC printing   distortion compensation equipment of high-power amplifiers   photo output control equipment in the near-distance infrared wireless telecommunication system   photo-multiplication method, and for implementing it   remaining-time display method and equipment of system traffic signals   photo-distribution system of wireless base stations   spatial photo-transmission system   Gain adjustment method following the light receiving level, and system for implementing it   Directional diversity equipment of portable wireless terminals

Portable accessories for a combined use for discharging of static charges   variable condenser for super-high frequency   monitoring equipment of antenna matching state   LED drive circuit, programmable filter   heat release structure of the casing for base station transceivers   Photo-element drive equipment   photo-output control equipment   power amplifier control equipment   multiple path photo-multiplication equipment   level reading circuit of input voltage