LINEAR LAMP HOLOGRAPHIC TRAPPED BEAM CENTER HIGH MOUNTED STOPLIGHT

摘要

A holographic center high mounted stop light (CHMSL)employing a linear lamp source comprising a long and narrowcylindrical gas discharge bulb, a non-imaging light concen-trator cavity, a plastic light guide and a hologram. TheCHMSL is characterized by previously unattainable compact-ness, weight savings, rear occupant headroom, driverrearward visibility, and electrical efficiency.