IT1135659B - Lampada a scarica ad arco ad alogenuro,di bassa potenza - Google Patents

Lampada a scarica ad arco ad alogenuro,di bassa potenza

Info

Publication number
IT1135659B
IT1135659B IT20606/81A IT2060681A IT1135659B IT 1135659 B IT1135659 B IT 1135659B IT 20606/81 A IT20606/81 A IT 20606/81A IT 2060681 A IT2060681 A IT 2060681A IT 1135659 B IT1135659 B IT 1135659B
Authority
IT
Italy
Prior art keywords
low power
discharge lamp
arc discharge
power halogen
halogen arc
Prior art date
Application number
IT20606/81A
Other languages
English (en)
Other versions
IT8120606A0 (it
Inventor
William M Keeffe
Harold L Rothwell Jr
John A Scholz
Original Assignee
Gte Prod 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 Gte Prod Corp filed Critical Gte Prod Corp
Publication of IT8120606A0 publication Critical patent/IT8120606A0/it
Application granted granted Critical
Publication of IT1135659B publication Critical patent/IT1135659B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
IT20606/81A 1980-03-24 1981-03-20 Lampada a scarica ad arco ad alogenuro,di bassa potenza IT1135659B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/132,933 US4321504A (en) 1980-03-24 1980-03-24 Low wattage metal halide arc discharge lamp

Publications (2)

Publication Number Publication Date
IT8120606A0 IT8120606A0 (it) 1981-03-20
IT1135659B true IT1135659B (it) 1986-08-27

Family

ID=22456236

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20606/81A IT1135659B (it) 1980-03-24 1981-03-20 Lampada a scarica ad arco ad alogenuro,di bassa potenza

Country Status (8)

Country Link
US (1) US4321504A (it)
BE (1) BE888070A (it)
CA (1) CA1168693A (it)
DE (1) DE3110809A1 (it)
FR (1) FR2478875B1 (it)
GB (3) GB2072411B (it)
IT (1) IT1135659B (it)
NL (1) NL8101450A (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232207A1 (de) * 1982-08-30 1984-03-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Hochdruckentladungslampe kleiner leistung
US4766348A (en) * 1983-06-09 1988-08-23 Gte Products Corporation Single-ended metal halogen lamp and fabrication process employing ionization potential selection of additive gases
US4612000A (en) * 1983-06-09 1986-09-16 Gte Products Corporation Single-ended metal halide discharge lamps and process of manufacture
US4636687A (en) * 1984-03-27 1987-01-13 Gte Products Corporation Electrode alignment and capsule design for single-ended low wattage metal halide lamps
US4620130A (en) * 1984-03-27 1986-10-28 Gte Products Corporation Electrode alignment and capsule design for single-ended low wattage metal halide lamps
US4890030A (en) * 1984-06-18 1989-12-26 Gte Products Corporation Metal halide discharge lamp with arc tube temperature equalizing means
US4721888A (en) * 1984-12-27 1988-01-26 Gte Laboratories Incorporated Arc discharge lamp with ultraviolet enhanced starting circuit
DE3537872A1 (de) * 1985-10-24 1987-04-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe
US4755711A (en) * 1986-07-07 1988-07-05 Gte Products Corporation Electric lamp with ceramic reflector
US4728849A (en) * 1986-07-07 1988-03-01 Gte Products Corporation Capsule light source for electric lamp
US5051655A (en) * 1987-01-28 1991-09-24 Venture Lighting International, Inc. Electrodes for single ended arc discharge tubes
US4791334A (en) * 1987-05-07 1988-12-13 Gte Products Corporation Metal-halide lamp having heat redistribution means
US4859899A (en) * 1987-05-07 1989-08-22 Gte Products Corporation Metal-halide lamp having heat redistribution means
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
US4998036A (en) * 1987-12-17 1991-03-05 Kabushiki Kaisha Toshiba Metal vapor discharge lamp containing an arc tube with particular bulb structure
US4876483A (en) * 1988-05-26 1989-10-24 Gte Products Corporation Arc lamp with surface arc resistant barrier
NL9500350A (nl) * 1994-02-25 1995-10-02 Ushio Electric Inc Metaalhalogenidelamp met een eendelige opstelling van een frontafdekking en een reflector.
US7880396B2 (en) * 2007-06-14 2011-02-01 Seiko Epson Corporation Projector device employing ballast with flyback converter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL53372C (it) * 1936-08-31
JPS4810585B1 (it) * 1968-06-29 1973-04-04
US3761758A (en) * 1972-01-27 1973-09-25 Gte Sylvania Inc Metal halide lamp containing mercury, light emitting metal, sodium and another alkali metal
GB1463056A (en) * 1973-01-19 1977-02-02 Thorn Lighting Ltd Electric discharge lamp
GB1442497A (en) * 1974-03-01 1976-07-14 Thorn Electrical Ind Ltd Discharge lamps
GB1577734A (en) * 1976-02-25 1980-10-29 Thorn Electrical Ind Ltd Electric lamps and their production
US4161672A (en) * 1977-07-05 1979-07-17 General Electric Company High pressure metal vapor discharge lamps of improved efficacy
JPS554087A (en) * 1978-06-19 1980-01-12 Thorn Electrical Ind Ltd Optical source for super 8 mm projector

Also Published As

Publication number Publication date
US4321504A (en) 1982-03-23
BE888070A (fr) 1981-07-16
DE3110809A1 (de) 1982-02-04
IT8120606A0 (it) 1981-03-20
FR2478875B1 (fr) 1985-07-19
FR2478875A1 (fr) 1981-09-25
GB8327559D0 (en) 1983-11-16
GB2072411B (en) 1985-06-19
NL8101450A (nl) 1981-10-16
GB8326934D0 (en) 1983-11-09
CA1168693A (en) 1984-06-05
GB2140197B (en) 1985-06-19
GB2072411A (en) 1981-09-30
GB2140197A (en) 1984-11-21

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