EP0871202A3 - Metal halide discharge lamp - Google Patents

Metal halide discharge lamp Download PDF

Info

Publication number
EP0871202A3
EP0871202A3 EP98104337A EP98104337A EP0871202A3 EP 0871202 A3 EP0871202 A3 EP 0871202A3 EP 98104337 A EP98104337 A EP 98104337A EP 98104337 A EP98104337 A EP 98104337A EP 0871202 A3 EP0871202 A3 EP 0871202A3
Authority
EP
European Patent Office
Prior art keywords
discharge lamp
metal halide
halide discharge
lighting
bulb
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Withdrawn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
EP98104337A
Other languages
German (de)
French (fr)
Other versions
EP0871202A2 (en
Inventor
Yasuhisa Yaguchi
Masaomi Mizumoto
Yoshifumi Takao
Toshiyuki Nagahara
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.)
Stanley Electric Co Ltd
Original Assignee
Stanley Electric 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
Priority claimed from JP09385697A external-priority patent/JP3150918B2/en
Application filed by Stanley Electric Co Ltd filed Critical Stanley Electric Co Ltd
Publication of EP0871202A2 publication Critical patent/EP0871202A2/en
Publication of EP0871202A3 publication Critical patent/EP0871202A3/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Withdrawn legal-status Critical Current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
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

A metal halide discharge lamp 1 in which a metal foil leading-in wire 4 being held and sealed by a bulb 2 has at least one surface provided with a satin finish 4a, reduces the influence due to repetitive lighting and lighting-off to avoid an extreme short lift time.
EP98104337A 1997-04-11 1998-03-11 Metal halide discharge lamp Withdrawn EP0871202A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP09385697A JP3150918B2 (en) 1996-08-16 1997-04-11 Metal halide discharge lamp
JP93856/97 1997-04-11

Publications (2)

Publication Number Publication Date
EP0871202A2 EP0871202A2 (en) 1998-10-14
EP0871202A3 true EP0871202A3 (en) 1999-02-10

Family

ID=14094075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98104337A Withdrawn EP0871202A3 (en) 1997-04-11 1998-03-11 Metal halide discharge lamp

Country Status (1)

Country Link
EP (1) EP0871202A3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000011955A (en) * 1998-06-26 2000-01-14 Koito Mfg Co Ltd Arc tube and manufacturing method thereof
JP3686286B2 (en) 1999-06-25 2005-08-24 株式会社小糸製作所 Arc tube and manufacturing method thereof
JP3665510B2 (en) * 1999-06-28 2005-06-29 株式会社小糸製作所 Arc tube for discharge lamp equipment
AT4408U1 (en) 2000-05-18 2001-06-25 Plansee Ag METHOD FOR PRODUCING AN ELECTRIC LAMP
JP3648184B2 (en) * 2001-09-07 2005-05-18 株式会社小糸製作所 Discharge lamp arc tube and method of manufacturing the same
EP1797580A2 (en) 2004-09-30 2007-06-20 Koninklijke Philips Electronics N.V. Electric lamp
US8203271B2 (en) 2006-01-26 2012-06-19 Harison Toshiba Lighting Corporation Metal halide lamp including sealed metal foil
DE102007020067B4 (en) * 2007-04-27 2013-07-18 Osram Gmbh Process for producing a molybdenum foil for lamp construction and molybdenum foil and lamp with molybdenum foil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227511A (en) * 1937-08-30 1941-01-07 Thermal Syndicate Ltd Seal and method of making the same
GB780614A (en) * 1955-02-23 1957-08-07 British Thomson Houston Co Ltd Quartz-to-metal seals
JPS5964548A (en) * 1982-09-30 1984-04-12 Toshiba Corp Sealing member
US4587454A (en) * 1984-05-17 1986-05-06 Gte Products Corporation Incandescent lamp with improved press seal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227511A (en) * 1937-08-30 1941-01-07 Thermal Syndicate Ltd Seal and method of making the same
GB780614A (en) * 1955-02-23 1957-08-07 British Thomson Houston Co Ltd Quartz-to-metal seals
JPS5964548A (en) * 1982-09-30 1984-04-12 Toshiba Corp Sealing member
US4587454A (en) * 1984-05-17 1986-05-06 Gte Products Corporation Incandescent lamp with improved press seal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 162 (C - 235) 26 July 1984 (1984-07-26) *

Also Published As

Publication number Publication date
EP0871202A2 (en) 1998-10-14

Similar Documents

Publication Publication Date Title
AU5597198A (en) Fluorescent lighting assembly with integral ballast
DE69014814D1 (en) Dimmer for fluorescent lamp with exchangeable cathode.
EP0894664A3 (en) Head lamp device for an automobile
EP1030100A3 (en) Integrated indirect light and ceiling system
EP0660375A3 (en) Electrodeless fluorescent lamp.
MXPA03007497A (en) Illumination system using filament lamps.
GB2341228B (en) A combined incandescent/fluorescent lantern
AU7279298A (en) Lamp bulb with integral reflector
AU1586199A (en) Cut-to-length linear lighting from omni-directional led lamps
EP0871202A3 (en) Metal halide discharge lamp
DE68911587D1 (en) High pressure metal halide discharge lamp.
DE68924406D1 (en) Fluorescent discharge lamp with noble gas.
EP0667636A3 (en) Fluorescent lamp.
EP0655811A3 (en) L-shaped bulb socket.
EP1143485A3 (en) Discharge lamps, method for producing the same and lamp unit
MX9701150A (en) Process for manufacturing a cap strip for discharge lamps and a cap strip for discharge lamps.
EP0765071A3 (en) Device for correcting brightness roll-off at an end of a lamp
EP1323977A3 (en) Integrated projector for discharge lamps
EP0821400A3 (en) An electric lamp with a base
EP1339094A3 (en) Halogen lamp and method of its manufacture
EP1038728A3 (en) Headlight circuit for an automobile
EP0678898A3 (en) Metal halide lamp.
EP0899775A3 (en) Metal halide lamp
DE68916346D1 (en) Metal halide discharge lamp with improved color rendering.
AU1171000A (en) Lighting system with a high intensity 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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19990417

AKX Designation fees paid

Free format text: DE FR GB

17Q First examination report despatched

Effective date: 20001019

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: 20010301