DE68910178D1 - Elektrische Entladungslampe mit verringerter Photoelektronenerzeugung im Inneren. - Google Patents

Elektrische Entladungslampe mit verringerter Photoelektronenerzeugung im Inneren.

Info

Publication number
DE68910178D1
DE68910178D1 DE89200890T DE68910178T DE68910178D1 DE 68910178 D1 DE68910178 D1 DE 68910178D1 DE 89200890 T DE89200890 T DE 89200890T DE 68910178 T DE68910178 T DE 68910178T DE 68910178 D1 DE68910178 D1 DE 68910178D1
Authority
DE
Germany
Prior art keywords
discharge lamp
electric discharge
generation inside
photoelectron generation
reduced
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.)
Expired - Fee Related
Application number
DE89200890T
Other languages
English (en)
Other versions
DE68910178T2 (de
Inventor
Raghu Ramaiah
Daniel Shumway
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.)
Philips North America LLC
Original Assignee
US Philips Corp
North American Philips 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 US Philips Corp, North American Philips Corp filed Critical US Philips Corp
Application granted granted Critical
Publication of DE68910178D1 publication Critical patent/DE68910178D1/de
Publication of DE68910178T2 publication Critical patent/DE68910178T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE89200890T 1988-04-15 1989-04-10 Elektrische Entladungslampe mit verringerter Photoelektronenerzeugung im Inneren. Expired - Fee Related DE68910178T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/181,791 US4866328A (en) 1988-04-15 1988-04-15 Electric lamp with reduced internal photoelectron production

Publications (2)

Publication Number Publication Date
DE68910178D1 true DE68910178D1 (de) 1993-12-02
DE68910178T2 DE68910178T2 (de) 1994-05-05

Family

ID=22665818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89200890T Expired - Fee Related DE68910178T2 (de) 1988-04-15 1989-04-10 Elektrische Entladungslampe mit verringerter Photoelektronenerzeugung im Inneren.

Country Status (6)

Country Link
US (1) US4866328A (de)
EP (1) EP0342721B1 (de)
JP (1) JPH01307155A (de)
CN (1) CN1037048A (de)
DE (1) DE68910178T2 (de)
HU (1) HU200856B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023506A (en) * 1989-12-28 1991-06-11 North American Philips Corporation Explosion proof high pressure discharge lamp
US5243251A (en) * 1990-04-13 1993-09-07 Toshiba Lighting & Technology Corporation Lamp having a glass envelope with fluorocarbon polymer layer
DE69104530T2 (de) * 1990-04-13 1995-02-23 Toshiba Lighting & Technology Mit Polymeren beschichtete Lampen und ihre Herstellung.
DE9013279U1 (de) * 1990-09-19 1990-11-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Einseitig gesockelte Hochdruck-Entladungslampe
US5272407A (en) * 1991-12-18 1993-12-21 North American Philips Corporation Electric lamp having screens for reducing photo electron emission
US5339001A (en) * 1992-10-15 1994-08-16 North American Philips Corporation Electric lamp having improved support straps for planar seals
US20030025455A1 (en) * 2001-07-31 2003-02-06 Alderman John C. Ceramic HID lamp with special frame for stabilizing the arc
US20090015162A1 (en) * 2003-06-30 2009-01-15 Koninklijke Philips Electronics N.V. Electric Lamp Having Strapless Support Mount for Mh Arc Tubes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374377A (en) * 1965-04-21 1968-03-19 Gen Electric Metal vapor lamp coating
NL6703447A (de) * 1967-03-03 1968-09-04
US3784861A (en) * 1971-02-25 1974-01-08 Philips Corp Lamp with opaque screen
US3780331A (en) * 1972-09-22 1973-12-18 Westinghouse Electric Corp Apparatus and method for eliminating microcracks in alumina ceramic discharge devices
US3988628A (en) * 1974-06-13 1976-10-26 General Electric Company Metal halide lamp with titania-silicate barrier zone in fused silica envelope
AR209977A1 (es) * 1975-08-04 1977-06-15 Gen Electric Envolvente para lampara y metodo para producir dicho envolvente
US4006378A (en) * 1975-10-01 1977-02-01 General Electric Company Optical coating with selectable transmittance characteristics and method of making the same
DE2655167C2 (de) * 1976-12-06 1986-12-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Hochdruckentladungslampe mit Metallhalogeniden
US4469980A (en) * 1981-12-21 1984-09-04 General Electric Company Fluorescent lamp with non-scattering phosphor
GB2147736B (en) * 1983-03-24 1986-09-24 Poltav Z Gazorazryad Lamp Emitter holder of gas-discharge lamp
JPS6168851A (ja) * 1985-08-26 1986-04-09 Hitachi Ltd メタルハライドランプ

Also Published As

Publication number Publication date
HUT50529A (en) 1990-02-28
EP0342721A1 (de) 1989-11-23
DE68910178T2 (de) 1994-05-05
HU200856B (en) 1990-08-28
US4866328A (en) 1989-09-12
EP0342721B1 (de) 1993-10-27
JPH01307155A (ja) 1989-12-12
CN1037048A (zh) 1989-11-08

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS NORTH AMERICA CORP., NEW YORK,

8328 Change in the person/name/address of the agent

Free format text: PEUCKERT, H., DIPL.-ING., PAT.-ASS., 20097 HAMBURG

8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee