JPS5516371A - High voltage metal vapor gas discharge lamp of built-in stabilizer type - Google Patents

High voltage metal vapor gas discharge lamp of built-in stabilizer type

Info

Publication number
JPS5516371A
JPS5516371A JP8924678A JP8924678A JPS5516371A JP S5516371 A JPS5516371 A JP S5516371A JP 8924678 A JP8924678 A JP 8924678A JP 8924678 A JP8924678 A JP 8924678A JP S5516371 A JPS5516371 A JP S5516371A
Authority
JP
Japan
Prior art keywords
stabilizer
filament
luminous tube
discharge lamp
switch
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
JP8924678A
Other languages
Japanese (ja)
Inventor
Isao Shoda
Shoji Origasa
Hitoshi Kodama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8924678A priority Critical patent/JPS5516371A/en
Publication of JPS5516371A publication Critical patent/JPS5516371A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE: To make the compensation operable for defective lighting as a gas discharge lamp, by connecting a series circuit, consisting of a switch closing when not lighting a luminous tube and a switch closing when exceeding a lightable temperature, in parallel to the luminous tube and in series to a stabilizer filament.
CONSTITUTION: Across power source terminals a, b, are connected in series a stabilizer filament 7, an energizing coil 9 and main electrodes 3, 4 of a luminous tube 2, as well as connected a series circuit, consisting of a relay switch S18 and a bimetal switch S210, in parallel to the luminous tube 2 for the power source. In this way, simultaneously with the luminous tube 2 going out, the switch S1 is closed to construct a closed circuit, constituted by the stabilizer filament 7 and switches S1, S2, for the power source, with the stabilizer filament kept lighting, thus a defective lighting can be compensated by utilizing the stabilizer filament in a simple method of connecting the switches S1, S2.
COPYRIGHT: (C)1980,JPO&Japio
JP8924678A 1978-07-21 1978-07-21 High voltage metal vapor gas discharge lamp of built-in stabilizer type Pending JPS5516371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8924678A JPS5516371A (en) 1978-07-21 1978-07-21 High voltage metal vapor gas discharge lamp of built-in stabilizer type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8924678A JPS5516371A (en) 1978-07-21 1978-07-21 High voltage metal vapor gas discharge lamp of built-in stabilizer type

Publications (1)

Publication Number Publication Date
JPS5516371A true JPS5516371A (en) 1980-02-05

Family

ID=13965386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8924678A Pending JPS5516371A (en) 1978-07-21 1978-07-21 High voltage metal vapor gas discharge lamp of built-in stabilizer type

Country Status (1)

Country Link
JP (1) JPS5516371A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639141A (en) * 1986-06-30 1988-01-14 Canon Inc Multilayer structure and manufacture threrof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639141A (en) * 1986-06-30 1988-01-14 Canon Inc Multilayer structure and manufacture threrof
JP2525773B2 (en) * 1986-06-30 1996-08-21 キヤノン株式会社 Semiconductor device and manufacturing method thereof

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