PT72017B - Cathod unit for fluorescent tube - Google Patents
Cathod unit for fluorescent tubeInfo
- Publication number
- PT72017B PT72017B PT72017A PT7201780A PT72017B PT 72017 B PT72017 B PT 72017B PT 72017 A PT72017 A PT 72017A PT 7201780 A PT7201780 A PT 7201780A PT 72017 B PT72017 B PT 72017B
- Authority
- PT
- Portugal
- Prior art keywords
- cathod
- unit
- fluorescent tube
- fluorescent
- tube
- Prior art date
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
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 |
---|---|
PT72017A PT72017A (en) | 1980-12-01 |
PT72017B true PT72017B (en) | 1981-12-17 |
Family
ID=20339270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT72017A PT72017B (en) | 1979-11-07 | 1980-11-04 | Cathod unit for fluorescent tube |
Country Status (25)
Country | Link |
---|---|
JP (1) | JPH0250582B2 (pt) |
AT (1) | AT377385B (pt) |
AU (1) | AU543221B2 (pt) |
BE (1) | BE886030A (pt) |
BR (1) | BR8008906A (pt) |
CA (1) | CA1150340A (pt) |
CH (1) | CH649653A5 (pt) |
CS (1) | CS250206B2 (pt) |
DE (2) | DE3041548C2 (pt) |
DK (1) | DK158177C (pt) |
ES (1) | ES263202Y (pt) |
FI (1) | FI68928C (pt) |
FR (1) | FR2473785A1 (pt) |
GB (1) | GB2077033B (pt) |
HU (1) | HU181318B (pt) |
IT (1) | IT1134172B (pt) |
MX (1) | MX147322A (pt) |
NO (1) | NO153946C (pt) |
PL (1) | PL132221B1 (pt) |
PT (1) | PT72017B (pt) |
RO (1) | RO81624B (pt) |
SE (1) | SE435332B (pt) |
SU (1) | SU1218936A3 (pt) |
WO (1) | WO1981001344A1 (pt) |
YU (1) | YU39696B (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69210986T2 (de) * | 1992-02-13 | 1996-12-19 | Auralight Ab | Kathodenschirm für Gasentladungslampen |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2008066A (en) * | 1933-02-17 | 1935-07-16 | Quarzlampen Gmbh | Gas or vapor discharge tube |
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 (pt) * | 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 |
-
1979
- 1979-11-07 SE SE7909213A patent/SE435332B/sv not_active IP Right Cessation
-
1980
- 1980-11-04 PT PT72017A patent/PT72017B/pt unknown
- 1980-11-04 DE DE3041548A patent/DE3041548C2/de not_active Expired
- 1980-11-04 DE DE19808029380U patent/DE8029380U1/de not_active Expired
- 1980-11-04 IT IT25764/80A patent/IT1134172B/it active
- 1980-11-05 BE BE0/202699A patent/BE886030A/fr not_active IP Right Cessation
- 1980-11-05 FR FR8023573A patent/FR2473785A1/fr active Granted
- 1980-11-06 ES ES1980263202U patent/ES263202Y/es not_active Expired
- 1980-11-06 WO PCT/SE1980/000279 patent/WO1981001344A1/en active IP Right Grant
- 1980-11-06 BR BR8008906A patent/BR8008906A/pt not_active IP Right Cessation
- 1980-11-06 YU YU2839/80A patent/YU39696B/xx unknown
- 1980-11-06 AU AU65704/80A patent/AU543221B2/en not_active Expired
- 1980-11-06 JP JP55502594A patent/JPH0250582B2/ja not_active Expired - Lifetime
- 1980-11-06 CH CH8265/80A patent/CH649653A5/de not_active IP Right Cessation
- 1980-11-06 GB GB8120702A patent/GB2077033B/en not_active Expired
- 1980-11-06 MX MX184636A patent/MX147322A/es unknown
- 1980-11-06 CA CA000364156A patent/CA1150340A/en not_active Expired
- 1980-11-06 HU HU801205A patent/HU181318B/hu unknown
- 1980-11-07 PL PL1980227738A patent/PL132221B1/pl unknown
- 1980-11-07 CS CS807548A patent/CS250206B2/cs unknown
- 1980-11-07 AT AT0547480A patent/AT377385B/de active
-
1981
- 1981-07-03 DK DK296081A patent/DK158177C/da active
- 1981-07-06 NO NO812294A patent/NO153946C/no unknown
- 1981-07-06 FI FI812128A patent/FI68928C/fi not_active IP Right Cessation
- 1981-07-06 SU SU813315649A patent/SU1218936A3/ru active
- 1981-07-07 RO RO104806A patent/RO81624B/ro unknown
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