Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works LtdfiledCriticalMatsushita Electric Works Ltd
Priority to JP55136980ApriorityCriticalpatent/JPS5761255A/ja
Publication of JPS5761255ApublicationCriticalpatent/JPS5761255A/ja
Publication of JPS631703B2publicationCriticalpatent/JPS631703B2/ja
H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
Landscapes
Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices
(AREA)
Non-Portable Lighting Devices Or Systems Thereof
(AREA)