GB1314317A - Metallic-vapour lamp - Google Patents

Metallic-vapour lamp

Info

Publication number
GB1314317A
GB1314317A GB2554171*A GB2554171A GB1314317A GB 1314317 A GB1314317 A GB 1314317A GB 2554171 A GB2554171 A GB 2554171A GB 1314317 A GB1314317 A GB 1314317A
Authority
GB
United Kingdom
Prior art keywords
envelope
lamp
april
wall
chordal
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
Application number
GB2554171*A
Other languages
English (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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics 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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of GB1314317A publication Critical patent/GB1314317A/en
Expired 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
    • H01J61/33—Special shape of cross-section, e.g. for producing cool spot

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
GB2554171*A 1970-04-03 1971-04-19 Metallic-vapour lamp Expired GB1314317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45028735A JPS4946794B1 (de) 1970-04-03 1970-04-03

Publications (1)

Publication Number Publication Date
GB1314317A true GB1314317A (en) 1973-04-18

Family

ID=12256673

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2554171*A Expired GB1314317A (en) 1970-04-03 1971-04-19 Metallic-vapour lamp

Country Status (7)

Country Link
US (1) US3729643A (de)
JP (1) JPS4946794B1 (de)
CA (1) CA927901A (de)
DE (1) DE2116205C3 (de)
FR (1) FR2089110A5 (de)
GB (1) GB1314317A (de)
NL (2) NL150618B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004100212A2 (en) * 2003-05-12 2004-11-18 Koninklijke Philips Electronics N.V. Metal halide lamp and vehicle headlamp

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52115283U (de) * 1976-02-27 1977-09-01
JPS52129296U (de) * 1976-03-29 1977-10-01

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2020726A (en) * 1932-10-01 1935-11-12 Gen Electric Gaseous electric discharge device
US2241968A (en) * 1939-06-21 1941-05-13 Gen Electric Light source
US2445012A (en) * 1946-10-29 1948-07-13 Clarence H Van Orden Luminous electrical discharge device
US3293493A (en) * 1963-09-25 1966-12-20 Gen Electric Light source for color synthesis
US3457447A (en) * 1966-07-01 1969-07-22 Sylvania Electric Prod Apertured fluorescent lamp with lens along the aperture
US3442582A (en) * 1966-12-07 1969-05-06 Ibm Lamp arrangement for document scanning and modified lamp
JPS4810585B1 (de) * 1968-06-29 1973-04-04

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004100212A2 (en) * 2003-05-12 2004-11-18 Koninklijke Philips Electronics N.V. Metal halide lamp and vehicle headlamp
WO2004100212A3 (en) * 2003-05-12 2007-03-15 Koninkl Philips Electronics Nv Metal halide lamp and vehicle headlamp
US7911144B2 (en) 2003-05-12 2011-03-22 Koninklijke Philips Electronics N.V. Metal halide lamp and vehicle headlamp

Also Published As

Publication number Publication date
DE2116205C3 (de) 1978-08-31
NL150618B (nl) 1976-08-16
FR2089110A5 (de) 1972-01-07
US3729643A (en) 1973-04-24
NL150618C (de)
NL7104482A (de) 1971-10-05
DE2116205B2 (de) 1977-12-15
DE2116205A1 (de) 1971-10-14
JPS4946794B1 (de) 1974-12-12
CA927901A (en) 1973-06-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years