GB8822009D0 - One-side-sealed type high intensity discharge lamp compensated for decrease in luminous efficiency - Google Patents

One-side-sealed type high intensity discharge lamp compensated for decrease in luminous efficiency

Info

Publication number
GB8822009D0
GB8822009D0 GB888822009A GB8822009A GB8822009D0 GB 8822009 D0 GB8822009 D0 GB 8822009D0 GB 888822009 A GB888822009 A GB 888822009A GB 8822009 A GB8822009 A GB 8822009A GB 8822009 D0 GB8822009 D0 GB 8822009D0
Authority
GB
United Kingdom
Prior art keywords
compensated
decrease
discharge lamp
high intensity
luminous efficiency
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.)
Granted
Application number
GB888822009A
Other versions
GB2210196B (en
GB2210196A (en
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 Corp
Original Assignee
Toshiba 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 Corp filed Critical Toshiba Corp
Publication of GB8822009D0 publication Critical patent/GB8822009D0/en
Publication of GB2210196A publication Critical patent/GB2210196A/en
Application granted granted Critical
Publication of GB2210196B publication Critical patent/GB2210196B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J61/366—Seals for leading-in conductors
    • H01J61/368—Pinched seals or analogous seals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/32—Sealing leading-in conductors
    • H01J9/323—Sealing leading-in conductors into a discharge lamp or a gas-filled discharge device

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
GB8822009A 1987-09-21 1988-09-20 One-side-sealed type high intensity discharge lamp compensated for decrease in luminous efficiency and its manufacturing method Expired - Lifetime GB2210196B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62234767A JPH0762993B2 (en) 1987-09-21 1987-09-21 Metal halide lamp

Publications (3)

Publication Number Publication Date
GB8822009D0 true GB8822009D0 (en) 1988-10-19
GB2210196A GB2210196A (en) 1989-06-01
GB2210196B GB2210196B (en) 1992-04-15

Family

ID=16976041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8822009A Expired - Lifetime GB2210196B (en) 1987-09-21 1988-09-20 One-side-sealed type high intensity discharge lamp compensated for decrease in luminous efficiency and its manufacturing method

Country Status (5)

Country Link
JP (1) JPH0762993B2 (en)
AU (1) AU587955B2 (en)
CA (1) CA1303662C (en)
FR (1) FR2620857B1 (en)
GB (1) GB2210196B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU604126B2 (en) * 1987-06-11 1990-12-06 Kabushiki Kaisha Toshiba High intensity discharge lamp of the one side sealed type capable of compensating for the change of luminous efficiency caused by its different lighting angles and manufacturing method of the same
US5138229A (en) * 1989-09-20 1992-08-11 Toshiba Lighting & Technology Corporation Single-sealed metal vapor electric discharge lamp
US5117154A (en) * 1990-12-31 1992-05-26 Welch Allyn, Inc. Metal halide discharge lamp with improved shank loading factor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1313437A (en) * 1962-01-23 1962-12-28 Lampes Sa Gas arc discharge lamp
FR1367483A (en) * 1963-04-17 1964-07-24 Pat & Visseaux Claude Electric discharge lamp
DE2826733C2 (en) * 1977-07-05 1982-07-29 General Electric Co., Schenectady, N.Y. High pressure metal halide discharge lamp
US4302699A (en) * 1980-03-24 1981-11-24 Gte Products Corporation Low wattage metal halide arc discharge lamp having optimum efficacy
US4396857A (en) * 1980-07-01 1983-08-02 General Electric Company Arc tube construction
JPS5740856A (en) * 1980-08-22 1982-03-06 Toshiba Corp Metal halide lamp
US4454450A (en) * 1981-06-29 1984-06-12 Gte Products Corporation Vertical running, high brightness, low wattage metal halide lamp
JPS5835858A (en) * 1981-08-28 1983-03-02 Toshiba Corp Compact metal halide lamp
JPS5983337A (en) * 1982-11-02 1984-05-14 Toshiba Corp Small metal halide lamp
US4636687A (en) * 1984-03-27 1987-01-13 Gte Products Corporation Electrode alignment and capsule design for single-ended low wattage metal halide lamps
US4631446A (en) * 1984-05-04 1986-12-23 Gte Products Corporation Single-ended high intensity discharge lamp
DE3425894A1 (en) * 1984-07-13 1986-01-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München ELECTRIC LAMP
AU604126B2 (en) * 1987-06-11 1990-12-06 Kabushiki Kaisha Toshiba High intensity discharge lamp of the one side sealed type capable of compensating for the change of luminous efficiency caused by its different lighting angles and manufacturing method of the same
US4876483A (en) * 1988-05-26 1989-10-24 Gte Products Corporation Arc lamp with surface arc resistant barrier

Also Published As

Publication number Publication date
GB2210196B (en) 1992-04-15
FR2620857B1 (en) 1993-12-31
AU587955B2 (en) 1989-08-31
CA1303662C (en) 1992-06-16
JPH0762993B2 (en) 1995-07-05
JPS6481163A (en) 1989-03-27
FR2620857A1 (en) 1989-03-24
GB2210196A (en) 1989-06-01
AU2238888A (en) 1989-03-23

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20010514

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020920