JPS5532355A - Metal halide lamp - Google Patents

Metal halide lamp

Info

Publication number
JPS5532355A
JPS5532355A JP10586378A JP10586378A JPS5532355A JP S5532355 A JPS5532355 A JP S5532355A JP 10586378 A JP10586378 A JP 10586378A JP 10586378 A JP10586378 A JP 10586378A JP S5532355 A JPS5532355 A JP S5532355A
Authority
JP
Japan
Prior art keywords
tube
lamp
enclosed
conductive metal
metal halide
Prior art date
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.)
Pending
Application number
JP10586378A
Other languages
Japanese (ja)
Inventor
Jiro Honda
Chiaki Tanaka
Tomiki Inagaki
Shigeyuki Mori
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.)
Japan Storage Battery Co Ltd
Original Assignee
Japan Storage Battery Co 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 Japan Storage Battery Co Ltd filed Critical Japan Storage Battery Co Ltd
Priority to JP10586378A priority Critical patent/JPS5532355A/en
Publication of JPS5532355A publication Critical patent/JPS5532355A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE: To improve the efficiency, color display property and durability of a lamp by controlling the quantity of a metal halide enclosed in a lamp tube at a specific value determined in relationship with the lamp input power rate.
CONSTITUTION: Main electrodes 2 and 2 are sealed in a light transmittable and heat-resisting tube 1, such as a quartz tube, opposite to each other and at a distance between them. An auxiliary starting electrode 3 is provided adjacently to one of the main electrodes 2 to facilitate the start of the lamp. Each end of conductive metal foils 5 is connected with each stem 4 of the electrodes 2, 2 and 3 and each of the other ends of the conductive metal foils 5 is connected to an electric wire 6. Each sealed end of the light transmittable tube 1 is covered with a heat insulating covering 7 for keeping warm. The specific quantity of scandium iodide M mg/cc of the interior volume of the lamp tube 1 relative to the lamp input rate (W) is defined by; 1.10×e-2.50×1000W<M<1.21×e-9.5×10000W and the weight ratio of natrium iodide enclosed in the tube 1 to the scandium iodide enclosed in the tube 1 is between 3W9.
COPYRIGHT: (C)1980,JPO&Japio
JP10586378A 1978-08-30 1978-08-30 Metal halide lamp Pending JPS5532355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10586378A JPS5532355A (en) 1978-08-30 1978-08-30 Metal halide lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10586378A JPS5532355A (en) 1978-08-30 1978-08-30 Metal halide lamp

Publications (1)

Publication Number Publication Date
JPS5532355A true JPS5532355A (en) 1980-03-07

Family

ID=14418803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10586378A Pending JPS5532355A (en) 1978-08-30 1978-08-30 Metal halide lamp

Country Status (1)

Country Link
JP (1) JPS5532355A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6639341B1 (en) 1999-03-26 2003-10-28 Matsushita Electric Works, Ltd. Metal halide discharge lamp
JP2016181381A (en) * 2015-03-24 2016-10-13 東芝ライテック株式会社 Discharge lamp

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54102070A (en) * 1978-01-30 1979-08-11 Mitsubishi Electric Corp Metal vapor discharge lamp
JPS54141078A (en) * 1978-04-22 1979-11-01 Mitsubishi Electric Corp Metal-halide lamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54102070A (en) * 1978-01-30 1979-08-11 Mitsubishi Electric Corp Metal vapor discharge lamp
JPS54141078A (en) * 1978-04-22 1979-11-01 Mitsubishi Electric Corp Metal-halide lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6639341B1 (en) 1999-03-26 2003-10-28 Matsushita Electric Works, Ltd. Metal halide discharge lamp
JP2016181381A (en) * 2015-03-24 2016-10-13 東芝ライテック株式会社 Discharge lamp

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