Patent ID: 7671543

Claim:
A light exposure apparatus which comprises a) a light source; b) a light transmitter spaced from the light source, for transmitting light from the light source; c) a light intensity controlling component positioned between the light source and the light transmitter; the light intensity controlling component comprising a light regulator having a planar face positioned between the light source and the light transmitter; the light regulator comprising a plurality of opaque, planar members, having a continuously tapered width, positioned adjacent to one another on the planar face of the light regulator; each planar member being spaced from its adjacent planar members by a planar, substantially light transparent segment having a continuously tapered width, positioned on the planar face of the light regulator; said light regulator being mounted for translation such that a portion of the opaque members and portion of the substantially light transparent segments are adjustably positioned between the light source and the light transmitter.