Inventors:
Albert M. Cavallaro - Durham NH, US
George W. Mortimer - Park Forest IL, US
Dennis S. Holt - Manchester NH, US
Assignee:
OSRAM SYLVANIA INC. - Danvers MA
International Classification:
H01J 5/48
Abstract:
A special purpose lamp () (SPL) and a socket () therefore, the SPL () having a light source (), a base () connected to the light source. The base () has electrical connectors () and a negative key (). The socket () includes a pocket () for receiving the base (), receptors () for receiving the electrical connectors () and a positive keyway () for receiving the negative key (). In a preferred embodiment, the base () has a portion () that is substantially rectangular in cross-section and the negative key () is associated with a corner () of the portion (). Lamps so constructed can fit older sockets while older lamps will not fit the sockets of the invention.