Patent ID: 7903430
Filing Date: 2011-03-08
Classification: H05B

Abstract:
1. A lamp ballast for attachment to a fluorescent lamp fixture comprising: a ballast circuit on a board, wherein the ballast circuit is an electronic ballast; a package for enclosing the circuit board save electric wires from and to the ballast circuit at multiple sides including a top surface, bottom surface and sidewalls extending between the top and bottom surfaces to connect the same surfaces; and a flange extending from the sidewalls of the package at a predetermined level between the top and bottom surfaces, whereby the flange provides an integral bracket of the ballast for a varied degree of recessed mounting of the ballast on the lamp fixture, wherein the package and circumferential rim are in rectangular shapes, further comprising a ballast case having a first shell and a second shell, wherein a niche is formed on the second shell, further comprising an opening formed on the niche.