[en] The present invention relates to a central tube type optical fibre micro-cable with high optical fibre density including an outer sheath (4) and a polycarbonate loose tube (2) covered by the outer sheath (4). The outer sheath (4) includes a plurality of circumferentially spaced longitudinally e ...
A programmed electronic ballast circuit including a voltage maintenance circuit to ensure that the integrated circuit continues to oscillate and drive the half-bridge inverter until the DC bus voltage falls to a level insufficient to permit the fluorescent bulbs at the output to ignite. Additionally ...
[en] A miniature easy-to-split wiring optical cable is used in the field of communications, and comprises a cable core, an outer sheath (6) cladding the cable core. Two parallel reinforcement components (4) are inserted in the two sides of the outer sheath (6). The cable core consists of a plurality ...
