EP0477975A3 - Jacketed high pressure discharge lamp - Google Patents

Jacketed high pressure discharge lamp Download PDF

Info

Publication number
EP0477975A3
EP0477975A3 EP19910116567 EP91116567A EP0477975A3 EP 0477975 A3 EP0477975 A3 EP 0477975A3 EP 19910116567 EP19910116567 EP 19910116567 EP 91116567 A EP91116567 A EP 91116567A EP 0477975 A3 EP0477975 A3 EP 0477975A3
Authority
EP
European Patent Office
Prior art keywords
high pressure
discharge lamp
pressure discharge
jacketed high
jacketed
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.)
Withdrawn
Application number
EP19910116567
Other languages
English (en)
Other versions
EP0477975A2 (fr
Inventor
Kazuyoshi Okamura
Akira Itoh
Kazuiki Uchida
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.)
Toshiba Lighting and Technology Corp
Original Assignee
Toshiba Lighting and Technology 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 Toshiba Lighting and Technology Corp filed Critical Toshiba Lighting and Technology Corp
Publication of EP0477975A2 publication Critical patent/EP0477975A2/fr
Publication of EP0477975A3 publication Critical patent/EP0477975A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
EP19910116567 1990-09-28 1991-09-27 Jacketed high pressure discharge lamp Withdrawn EP0477975A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2259142A JPH04137452A (ja) 1990-09-28 1990-09-28 セラミック放電灯
JP259142/90 1990-09-28

Publications (2)

Publication Number Publication Date
EP0477975A2 EP0477975A2 (fr) 1992-04-01
EP0477975A3 true EP0477975A3 (en) 1992-09-23

Family

ID=17329915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910116567 Withdrawn EP0477975A3 (en) 1990-09-28 1991-09-27 Jacketed high pressure discharge lamp

Country Status (3)

Country Link
EP (1) EP0477975A3 (fr)
JP (1) JPH04137452A (fr)
KR (1) KR940004552B1 (fr)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 7, no. 258 (E-211)17 November 1983 & JP-A-58 145 054 ( MITSUBISHI DENKI K.K. ) 29 August 1983 *

Also Published As

Publication number Publication date
EP0477975A2 (fr) 1992-04-01
KR920007063A (ko) 1992-04-28
KR940004552B1 (en) 1994-05-25
JPH04137452A (ja) 1992-05-12

Similar Documents

Publication Publication Date Title
HUT57469A (en) Low pressure discharge lamp
HUT57471A (en) Low pressure discharge lamp without electrode
DE69329046D1 (de) Hochdruckentladungslampe
DE59107116D1 (de) Hochdruckentladungslampe
DE59303540D1 (de) Hochdruckentladungslampe
DE69323026D1 (de) Hochdruckentladungslampe
GB2247775B (en) Discharge lamp unit
GB2248147B (en) Discharge lamp unit
EP0453652A3 (en) High pressure discharge lamp
HU910523D0 (en) High-pressure sodium vapour discharge lamp
DE59301543D1 (de) Hochdruckentladungslampe
GB2248149B (en) Discharge lamp connector assembly
HUT49965A (en) High pressure metal-halogenide discharge lamp
EP0316617A3 (en) High pressure discharge lamp
DE59302019D1 (de) Hochdruckentladungslampe
EP0489463A3 (en) Low pressure discharge lamp
GB8904898D0 (en) Low pressure discharge lamp
EP0473157A3 (en) Low pressure discharge lamp apparatus
EP0472100A3 (en) High-pressure discharge lamp
AU7910191A (en) Shield for high pressure discharge lamps
EP0456907A3 (en) High-pressure discharge lamp
HUT57467A (en) High pressure sodium discharge lamp
DE69301484D1 (de) Hochdruckentladungslampe
EP0516967A3 (en) High pressure discharge lamp
HU895390D0 (en) High pressure discharge lamp

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19911024

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE GB

17Q First examination report despatched

Effective date: 19940620

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19941101