Compact electrodeless fluorescent a-line lamp

摘要

A compact electrodeless fluorescent lamp (20) has an A-line configuration including a globular upper portion (22) which becomes narrower toward a lower position, terminating in a narrow end (24). The narrow end of the A-line envelope is connected to a base (16). The alternating current energy source is electrically connected through the base, via a ballast (30) to the excitation coil (28). The ballast is integral with the lamp and is contained, at least partially, within the reentrant cavity (26). <IMAGE>