GB2077033B - Cathode unit for fluorescent tube - Google Patents

Cathode unit for fluorescent tube

Info

Publication number
GB2077033B
GB2077033B GB8120702A GB8120702A GB2077033B GB 2077033 B GB2077033 B GB 2077033B GB 8120702 A GB8120702 A GB 8120702A GB 8120702 A GB8120702 A GB 8120702A GB 2077033 B GB2077033 B GB 2077033B
Authority
GB
United Kingdom
Prior art keywords
fluorescent tube
cathode unit
cathode
unit
fluorescent
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
GB8120702A
Other languages
English (en)
Other versions
GB2077033A (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.)
Auralight AB
Original Assignee
Lumalampan AB
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 Lumalampan AB filed Critical Lumalampan AB
Publication of GB2077033A publication Critical patent/GB2077033A/en
Application granted granted Critical
Publication of GB2077033B publication Critical patent/GB2077033B/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
    • H01J61/04—Electrodes; Screens; Shields
GB8120702A 1979-11-07 1980-11-06 Cathode unit for fluorescent tube Expired GB2077033B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7909213A SE435332B (sv) 1979-11-07 1979-11-07 Katodenhet for lysror

Publications (2)

Publication Number Publication Date
GB2077033A GB2077033A (en) 1981-12-09
GB2077033B true GB2077033B (en) 1984-07-04

Family

ID=20339270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8120702A Expired GB2077033B (en) 1979-11-07 1980-11-06 Cathode unit for fluorescent tube

Country Status (25)

Country Link
JP (1) JPH0250582B2 (da)
AT (1) AT377385B (da)
AU (1) AU543221B2 (da)
BE (1) BE886030A (da)
BR (1) BR8008906A (da)
CA (1) CA1150340A (da)
CH (1) CH649653A5 (da)
CS (1) CS250206B2 (da)
DE (2) DE8029380U1 (da)
DK (1) DK158177C (da)
ES (1) ES263202Y (da)
FI (1) FI68928C (da)
FR (1) FR2473785A1 (da)
GB (1) GB2077033B (da)
HU (1) HU181318B (da)
IT (1) IT1134172B (da)
MX (1) MX147322A (da)
NO (1) NO153946C (da)
PL (1) PL132221B1 (da)
PT (1) PT72017B (da)
RO (1) RO81624B (da)
SE (1) SE435332B (da)
SU (1) SU1218936A3 (da)
WO (1) WO1981001344A1 (da)
YU (1) YU39696B (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0555619B1 (en) * 1992-02-13 1996-05-22 Luminova Aktiebolag Cathode screen for gas discharge lamps
US6384534B1 (en) 1999-12-17 2002-05-07 General Electric Company Electrode material for fluorescent lamps
SE515637C2 (sv) 2000-01-24 2001-09-17 Auralight Ab Säkerhetskonstruktion för lysrör
US6741023B2 (en) * 2001-07-10 2004-05-25 Light Sources, Inc. Fluorescent tanning lamp with improved service life
SE524397C2 (sv) 2002-04-11 2004-08-03 Auralight Int Ab Katodenhet för lysrör och förfarande för tillverkning av lysrör
US6812639B2 (en) * 2002-09-13 2004-11-02 Light Sources, Inc. Germicidal lamp with end of life arc quenching device
US6809468B1 (en) 2002-12-11 2004-10-26 Light Sources, Inc. Cathode with disintegration shield in a gas discharge lamp
DE10334175B4 (de) * 2003-07-26 2006-09-21 Dei-Anang, Kwesi, Priv.-Doz. Dr.med. Atemschutzmaske
JP2008204856A (ja) * 2007-02-21 2008-09-04 Nec Lighting Ltd 熱陰極型蛍光ランプ
RU2505744C2 (ru) * 2012-03-06 2014-01-27 Государственное научное учреждение Всероссийский научно-исследовательский институт электрификации сельского хозяйства Российской академии сельскохозяйственных наук (ГНУ ВИЭСХ Россельхозакадемии) Система электрического освещения (варианты)
JP6691317B2 (ja) * 2015-10-06 2020-04-28 ウシオ電機株式会社 ショートアーク型放電ランプ

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR769133A (fr) * 1933-02-17 1934-08-20 Quarzlampen Gmbh Tubes à décharge à gaz ou à vapeur, avec une ou plusieurs électrodes portées à température élevée en cours de fonctionnement
US2238277A (en) * 1940-02-09 1941-04-15 Miller Maurice Combination tube closure and electrode for neon tubes
US2725497A (en) * 1951-04-25 1955-11-29 Westinghouse Electric Corp Floating grids for fluorescent lamps
DE955341C (de) * 1952-01-13 1957-01-03 Physikalisch Tech Werkstaetten Gasentladungsroehre mit einem die Kathode topffoermig umschliessenden Schirm
FR1110434A (fr) * 1954-08-31 1956-02-13 Hyperion Sa Perfectionnements aux électrodes des tubes à décharge
US2917650A (en) * 1955-06-29 1959-12-15 Hyperion Sa Electrode for discharge tubes
GB841343A (en) * 1957-10-09 1960-07-13 Philips Electrical Ind Ltd Improvements in or relating to low-pressure mercury vapour discharge tubes
FR1271505A (fr) * 1959-05-11 1961-09-15 Lampes Sa Appareil à décharge à basse pression
US3121184A (en) * 1960-12-30 1964-02-11 Gen Electric Discharge lamp with cathode shields
NL6514352A (da) * 1965-11-05 1967-05-08
US3390297A (en) * 1966-07-01 1968-06-25 Perkin Elmer Corp Shield for hollow cathode lamps
US3430359A (en) * 1967-02-09 1969-03-04 Roll O Sheets Apparatus with heat conductive belt
US3623136A (en) * 1968-05-10 1971-11-23 Hitachi Ltd Light-source lamp for atomic light-absorption analysis

Also Published As

Publication number Publication date
FI68928C (fi) 1985-11-11
FR2473785B1 (da) 1985-03-08
NO812294L (no) 1981-07-06
CH649653A5 (de) 1985-05-31
CS250206B2 (en) 1987-04-16
FI812128L (fi) 1981-07-06
NO153946C (no) 1986-06-18
DK158177B (da) 1990-04-02
FI68928B (fi) 1985-07-31
SE435332B (sv) 1984-09-17
AU6570480A (en) 1981-05-22
BE886030A (fr) 1981-03-02
FR2473785A1 (fr) 1981-07-17
SE7909213L (sv) 1981-05-08
AU543221B2 (en) 1985-04-04
YU283980A (en) 1983-06-30
HU181318B (en) 1983-07-28
ATA547480A (de) 1984-07-15
ES263202U (es) 1982-12-01
PL227738A1 (da) 1981-08-21
CA1150340A (en) 1983-07-19
RO81624B (ro) 1984-08-25
YU39696B (en) 1985-03-20
DE3041548C2 (de) 1986-07-24
DE8029380U1 (de) 1982-07-15
MX147322A (es) 1982-11-10
DK296081A (da) 1981-07-03
IT8025764A0 (it) 1980-11-04
PL132221B1 (en) 1985-02-28
AT377385B (de) 1985-03-11
ES263202Y (es) 1985-12-16
SU1218936A3 (ru) 1986-03-15
GB2077033A (en) 1981-12-09
JPS56501507A (da) 1981-10-15
NO153946B (no) 1986-03-10
IT1134172B (it) 1986-07-31
WO1981001344A1 (en) 1981-05-14
DE3041548A1 (de) 1981-05-21
DK158177C (da) 1990-09-03
JPH0250582B2 (da) 1990-11-02
PT72017A (en) 1980-12-01
RO81624A (ro) 1984-05-12
PT72017B (en) 1981-12-17
BR8008906A (pt) 1981-08-25

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20001105