Opto Tech Corporation

C

The mark consists of a design consisting of dark and light concentric squares with a dark circle in the center of the light square, such that a gap appears in one side of the dark square.;electrical and electronic components, namely, light emitting diode, transistor, variable capacitance diode, laser diode, optical coupler, led movie display system, photo diode, photo transistor, hall integrated circuits, optical electronic integrated circuits, pyroelectric infrared detector, photo darlington chips;