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) BE556663A (de)
CH (4) CH341907A (de)
DE (4) DE1051398B (de)
FR (4) FR1162139A (de)
GB (4) GB802877A (de)
NL (6) NL105216C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL238268A (de) * 1958-04-18
DE1153833B (de) * 1958-12-17 1963-09-05 Gen Electric Co Ltd Elektrische Natriumdampfentladungslampe
US4884007A (en) * 1984-12-06 1989-11-28 Gte Products Corporation Low pressure arc discharge tube having increased voltage
CA1255738A (en) * 1984-12-06 1989-06-13 Radomir Lagushenko Low pressure arc discharge tube having increased voltage
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
US7276853B2 (en) 2002-04-11 2007-10-02 Koninklijke Philips Electronics, N.V. Low-pressure mercury vapor discharge lamp
EP1494878B8 (de) 2002-04-17 2010-11-03 Continental Teves AG & Co. oHG Verfahren zur erkennung von reifeneigenschaften
US20070138965A1 (en) * 2002-10-04 2007-06-21 Koninklijke Philips Electronics N.V. Low-pressure mercury vapor 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 (de) * 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
NL105871C (de)
CH341906A (de) 1959-10-31
NL105216C (de)
DE1050443B (de)
NL202746A (de)
CH341907A (de) 1959-10-31
CH349696A (de) 1960-10-31
GB856912A (en) 1960-12-21
NL106187C (de)
DE1044274B (de) 1958-11-20
DE1051398B (de) 1959-02-26
CH349340A (de) 1960-10-15
NL202747A (de)
DE1054171B (de) 1959-04-02
GB821321A (en) 1959-10-07
FR71978E (fr) 1960-03-15
FR71976E (fr) 1960-03-15
NL216121A (de)
FR1162139A (fr) 1958-09-09
BE543614A (de)
FR71667E (fr) 1960-01-13
BE556663A (de)
GB857711A (en) 1961-01-04
BE556306A (de)

Similar Documents

Publication Publication Date Title
ES449034A1 (es) Perfeccionamientos introducidos en una lampara de descarga en vapor de mercurio a baja presion.
ES472726A1 (es) Perfeccionamientos introducidos en una lampara de descarga en vapor de mercurio de baja presion
ES443060A1 (es) Perfeccionamientos introducidos en una fuente de iones.
ES468746A1 (es) Perfeccionamientos introducidos en una lampara de descarga en vapor de sodio a alta presion
GB802877A (en) Improvements in low pressure discharge lamps
SE7711148L (sv) Hogtrycks-urladdningslampa
GB1365648A (en) Flash discharge apparatus
ES203615U (es) Una lampara de descarga en vapor de sodio, de alta presion.
US2788462A (en) Stroboscopic light source
GB1202505A (en) Fluorescent lamp device
GB1424102A (en) Fluorescent lamps
GB830243A (en) Improvements in or relating to gas-filled electric incandescent lamps
GB707265A (en) Improvements in or relating to electrical discharge lamps
JPS52142879A (en) Fluorescent discharge lamp
JPS5753064A (en) Metal halide lamp
JPS5458979A (en) Metal vapor discharge lamp
JPS5458980A (en) Metal vapor discharge lamp
JPS5598456A (en) Fluorescent lamp
JPS5327283A (en) Method of manufacturing low pressure mercury vapor discharge lamp
JPS55143768A (en) Metal vapor discharge lamp and its manufacture
GB1003971A (en) Improvements in or relating to high pressure mercury vapour electric discharge lamps
JPS57202643A (en) Metallic vapor discharge lamp
GB868921A (en) Improvements relating to electric discharge incandescent lamps
GB1176379A (en) Improvements in or relating to Display Discharge Tubes
GB762479A (en) Improvements in or relating to electric discharge lamps