GB802877A - Improvements in low pressure discharge lamps - Google Patents

Improvements in low pressure discharge lamps

Info

Publication number
GB802877A
GB802877A GB34975/55A GB3497555A GB802877A GB 802877 A GB802877 A GB 802877A GB 34975/55 A GB34975/55 A GB 34975/55A GB 3497555 A GB3497555 A GB 3497555A GB 802877 A GB802877 A GB 802877A
Authority
GB
United Kingdom
Prior art keywords
low pressure
discharge lamps
mercury
dec
starting gas
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
GB34975/55A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB802877A publication Critical patent/GB802877A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)
GB34975/55A 1954-12-14 1955-12-06 Improvements in low pressure discharge lamps Expired GB802877A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US341906XA 1954-12-14 1954-12-14
US856912XA 1956-04-09 1956-04-09
US857711XA 1956-04-19 1956-04-19

Publications (1)

Publication Number Publication Date
GB802877A true GB802877A (en) 1958-10-15

Family

ID=27364591

Family Applications (4)

Application Number Title Priority Date Filing Date
GB34975/55A Expired GB802877A (en) 1954-12-14 1955-12-06 Improvements in low pressure discharge lamps
GB35774/55A Expired GB821321A (en) 1954-12-14 1955-12-13 Resonance radiation discharge lamps
GB9999/57A Expired GB856912A (en) 1954-12-14 1957-03-27 Improvements in or relating to tubular electric resonance radiation discharge lamps
GB10932/57A Expired GB857711A (en) 1954-12-14 1957-04-03 Improvements in or relating to discharge lamp envelopes

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB35774/55A Expired GB821321A (en) 1954-12-14 1955-12-13 Resonance radiation discharge lamps
GB9999/57A Expired GB856912A (en) 1954-12-14 1957-03-27 Improvements in or relating to tubular electric resonance radiation discharge lamps
GB10932/57A Expired GB857711A (en) 1954-12-14 1957-04-03 Improvements in or relating to discharge lamp envelopes

Country Status (6)

Country Link
BE (3) BE543614A (OSRAM)
CH (4) CH341906A (OSRAM)
DE (4) DE1051398B (OSRAM)
FR (4) FR1162139A (OSRAM)
GB (4) GB802877A (OSRAM)
NL (6) NL105216C (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL238268A (OSRAM) * 1958-04-18
DE1153833B (de) * 1958-12-17 1963-09-05 Gen Electric Co Ltd Elektrische Natriumdampfentladungslampe
JPS61135041A (ja) * 1984-12-06 1986-06-23 ジー・テイー・イー・プロダクツ・コーポレイシヨン 電圧を増大させた低圧アーク放電ランプ
US4884007A (en) * 1984-12-06 1989-11-28 Gte Products Corporation Low pressure arc discharge tube having increased voltage
CN100380568C (zh) 2002-04-11 2008-04-09 皇家飞利浦电子股份有限公司 低压汞蒸汽放电灯
JP4494800B2 (ja) * 2002-04-11 2010-06-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 低圧水銀蒸気放電灯
EP1494878B8 (de) 2002-04-17 2010-11-03 Continental Teves AG & Co. oHG Verfahren zur erkennung von reifeneigenschaften
WO2004032180A2 (en) * 2002-10-04 2004-04-15 Koninklijke Philips Electronics N.V. Low-pressure mercury vapour discharge lamp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2213245A (en) * 1935-12-23 1940-09-03 Germer Edmund Electrical discharge device
FR802714A (fr) * 1936-02-12 1936-09-14 Perfectionnements aux tubes luminescents
FR861799A (fr) * 1938-11-26 1941-02-17 Lampes Sa Perfectionnements aux dispositifs à décharge lumineuse
BE469579A (OSRAM) * 1940-03-01
US2482421A (en) * 1943-10-21 1949-09-20 Gen Electric Flat tube electrical device
FR907572A (fr) * 1944-04-22 1946-03-15 Perfectionnements au dispositif intérieur des tubes à décharge
US2445012A (en) * 1946-10-29 1948-07-13 Clarence H Van Orden Luminous electrical discharge device

Also Published As

Publication number Publication date
NL216121A (OSRAM)
DE1054171B (de) 1959-04-02
FR1162139A (fr) 1958-09-09
NL105871C (OSRAM)
BE556663A (OSRAM)
GB821321A (en) 1959-10-07
BE543614A (OSRAM)
CH341906A (de) 1959-10-31
GB856912A (en) 1960-12-21
GB857711A (en) 1961-01-04
BE556306A (OSRAM)
NL105216C (OSRAM)
NL202746A (OSRAM)
NL106187C (OSRAM)
FR71667E (fr) 1960-01-13
CH349340A (de) 1960-10-15
FR71976E (fr) 1960-03-15
DE1044274B (de) 1958-11-20
NL202747A (OSRAM)
DE1050443B (OSRAM)
CH341907A (de) 1959-10-31
CH349696A (de) 1960-10-31
DE1051398B (de) 1959-02-26
FR71978E (fr) 1960-03-15

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