Metal vapor discharge lamp
Discharge lamp with neon gas in outer tube
Lamp with light-source capsule support members having equal thermal conductivity Patent #: 4758759
ApplicationNo. 212811 filed on 06/29/1988
US Classes:313/25, Sealed casing for envelope313/113, Reflector313/573, Having specified envelope detail313/634, Envelope with particular structure313/642And rare gas
ExaminersPrimary: Wieder, Kenneth A.
Attorney, Agent or Firm
Foreign Patent References
International ClassH01J 061/34
AbstractA high pressure sodium discharge reflector lamp having a blown glass outer envelope. The outer envelope contains a rare gas having a fill pressure slightly less than one atmosphere and a pressure at lamp operating temperature of approximately one atmosphere for implosion protection.