DK166479A - Fremgangsmaade til forlaengelse af levetiden for en gasudladningsbeholder - Google Patents
Fremgangsmaade til forlaengelse af levetiden for en gasudladningsbeholderInfo
- Publication number
- DK166479A DK166479A DK166479A DK166479A DK166479A DK 166479 A DK166479 A DK 166479A DK 166479 A DK166479 A DK 166479A DK 166479 A DK166479 A DK 166479A DK 166479 A DK166479 A DK 166479A
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- life
- extend
- gas charge
- charge container
- 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
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH462878A CH631575A5 (de) | 1978-04-28 | 1978-04-28 | Verfahren zur lebensdauererhoehung eines gasentladungsgefaesses. |
Publications (1)
Publication Number | Publication Date |
---|---|
DK166479A true DK166479A (da) | 1979-10-29 |
Family
ID=4279681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK166479A DK166479A (da) | 1978-04-28 | 1979-04-23 | Fremgangsmaade til forlaengelse af levetiden for en gasudladningsbeholder |
Country Status (17)
Country | Link |
---|---|
US (1) | US4274029A (xx) |
JP (1) | JPS54144078A (xx) |
AT (1) | AT378446B (xx) |
BE (1) | BE875866A (xx) |
CA (1) | CA1128110A (xx) |
CH (1) | CH631575A5 (xx) |
CS (1) | CS231965B2 (xx) |
DE (2) | DE2822045A1 (xx) |
DK (1) | DK166479A (xx) |
FI (1) | FI791310A (xx) |
FR (1) | FR2424627A1 (xx) |
GB (1) | GB2026764B (xx) |
HU (1) | HU182723B (xx) |
IT (1) | IT1112202B (xx) |
NL (1) | NL189057C (xx) |
RO (1) | RO77939A (xx) |
SE (1) | SE7903553L (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3525888C1 (de) * | 1985-07-19 | 1987-01-08 | Gte Sylvania Inc | Leuchtstofflampe fuer unipolaren Betrieb |
US6045628A (en) * | 1996-04-30 | 2000-04-04 | American Scientific Materials Technologies, L.P. | Thin-walled monolithic metal oxide structures made from metals, and methods for manufacturing such structures |
US5814164A (en) * | 1994-11-09 | 1998-09-29 | American Scientific Materials Technologies L.P. | Thin-walled, monolithic iron oxide structures made from steels, and methods for manufacturing such structures |
DE69507946T2 (de) * | 1995-01-09 | 1999-09-16 | Koninklijke Philips Electronics N.V., Eindhoven | Schaltungsanordnung |
US5917285A (en) * | 1996-07-24 | 1999-06-29 | Georgia Tech Research Corporation | Apparatus and method for reducing operating voltage in gas discharge devices |
US6504314B1 (en) | 1997-11-10 | 2003-01-07 | Koninklijke Philips Electronics N.V. | Discharge lamp DC ballast employing only passive components |
US6461562B1 (en) | 1999-02-17 | 2002-10-08 | American Scientific Materials Technologies, Lp | Methods of making sintered metal oxide articles |
US7733027B2 (en) * | 2004-01-15 | 2010-06-08 | Koninklijke Philips Electronics N.V. | High-pressure mercury vapor lamp incorporating a predetermined germanium to oxygen molar ratio within its discharge fill |
KR100637070B1 (ko) * | 2004-09-10 | 2006-10-23 | 삼성코닝 주식회사 | 면광원유닛 및 면광원유닛을 가지는 액정표시장치 |
JP2011096580A (ja) * | 2009-10-30 | 2011-05-12 | Seiko Epson Corp | 放電ランプ及びその製造方法、光源装置、プロジェクター |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2008066A (en) * | 1933-02-17 | 1935-07-16 | Quarzlampen Gmbh | Gas or vapor discharge tube |
NL61150C (xx) * | 1942-05-02 | |||
US2530990A (en) * | 1945-04-21 | 1950-11-21 | Gen Electric | Electric discharge device |
US2637830A (en) * | 1949-02-28 | 1953-05-05 | Sylvania Electric Prod | Treatment of electric lamp envelopes |
FR1055050A (fr) * | 1951-04-25 | 1954-02-16 | Westinghouse Electric Corp | Perfectionnements aux appareils à décharge électrique comportant une grille |
US2885587A (en) * | 1956-06-13 | 1959-05-05 | Westinghouse Electric Corp | Low pressure discharge lamp and method |
US3376457A (en) * | 1964-12-07 | 1968-04-02 | Westinghouse Electric Corp | Electric discharge lamp with space charge relieving means |
US3377498A (en) * | 1966-01-03 | 1968-04-09 | Sylvania Electric Prod | In a high pressure lamp, protective metal oxide layers on the inner wall of the quartz envelope |
FR1478565A (fr) * | 1966-03-15 | 1967-04-28 | Lampes Sa | Perfectionnement aux lampes à décharge électrique renfermant des iodures métalliques dont de l'iodure de sodium |
US3453477A (en) * | 1967-02-16 | 1969-07-01 | Gen Electric | Alumina-ceramic sodium vapor lamp |
US3683226A (en) * | 1970-09-30 | 1972-08-08 | Gen Electric | Electric lamp apparatus having diffusion barrier |
JPS5137467B2 (xx) * | 1971-08-14 | 1976-10-15 | ||
US3816206A (en) * | 1972-03-15 | 1974-06-11 | American Can Co | Method for protecting raw metal edge of inside lap of adhesively bonded lap side seam tubular body |
JPS4936466U (xx) * | 1972-06-30 | 1974-03-30 | ||
JPS508594A (xx) * | 1973-05-18 | 1975-01-29 | ||
JPS508584A (xx) * | 1973-05-21 | 1975-01-29 | ||
JPS5414434B2 (xx) * | 1973-06-14 | 1979-06-07 | ||
CH570040A5 (xx) * | 1974-03-04 | 1975-11-28 | Bbc Brown Boveri & Cie | |
JPS5190185A (ja) * | 1975-02-05 | 1976-08-07 | Keikoranpu | |
JPS5251776A (en) * | 1975-10-22 | 1977-04-25 | Hitachi Ltd | Metal vapor discharge lamp |
US4117374A (en) * | 1976-12-23 | 1978-09-26 | General Electric Company | Fluorescent lamp with opposing inversere cone electrodes |
-
1978
- 1978-04-28 CH CH462878A patent/CH631575A5/de not_active IP Right Cessation
- 1978-05-20 DE DE19782822045 patent/DE2822045A1/de active Granted
- 1978-05-20 DE DE19787815195U patent/DE7815195U1/de not_active Expired
-
1979
- 1979-02-19 AT AT0126479A patent/AT378446B/de not_active IP Right Cessation
- 1979-04-06 US US06/027,734 patent/US4274029A/en not_active Expired - Lifetime
- 1979-04-11 CA CA325,330A patent/CA1128110A/en not_active Expired
- 1979-04-17 JP JP4610579A patent/JPS54144078A/ja active Granted
- 1979-04-19 IT IT21960/79A patent/IT1112202B/it active
- 1979-04-23 FI FI791310A patent/FI791310A/fi not_active Application Discontinuation
- 1979-04-23 DK DK166479A patent/DK166479A/da not_active IP Right Cessation
- 1979-04-23 SE SE7903553A patent/SE7903553L/xx unknown
- 1979-04-26 NL NLAANVRAGE7903323,A patent/NL189057C/xx not_active IP Right Cessation
- 1979-04-26 CS CS792901A patent/CS231965B2/cs unknown
- 1979-04-26 BE BE0/194844A patent/BE875866A/xx not_active IP Right Cessation
- 1979-04-26 GB GB7914561A patent/GB2026764B/en not_active Expired
- 1979-04-26 RO RO7997379A patent/RO77939A/ro unknown
- 1979-04-26 HU HU79BO1776A patent/HU182723B/hu unknown
- 1979-04-26 FR FR7910684A patent/FR2424627A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
ATA126479A (de) | 1984-12-15 |
NL189057B (nl) | 1992-07-16 |
SE7903553L (sv) | 1979-10-29 |
NL189057C (nl) | 1992-12-16 |
AT378446B (de) | 1985-08-12 |
CA1128110A (en) | 1982-07-20 |
IT1112202B (it) | 1986-01-13 |
CS290179A2 (en) | 1984-01-16 |
FI791310A (fi) | 1979-10-29 |
GB2026764B (en) | 1982-12-01 |
US4274029A (en) | 1981-06-16 |
BE875866A (fr) | 1979-08-16 |
NL7903323A (nl) | 1979-10-30 |
RO77939A (ro) | 1982-03-24 |
HU182723B (en) | 1984-03-28 |
DE2822045C2 (xx) | 1989-01-05 |
FR2424627B1 (xx) | 1982-11-19 |
DE7815195U1 (de) | 1980-02-28 |
FR2424627A1 (fr) | 1979-11-23 |
JPS54144078A (en) | 1979-11-09 |
CS231965B2 (en) | 1985-01-16 |
GB2026764A (en) | 1980-02-06 |
DE2822045A1 (de) | 1979-11-08 |
IT7921960A0 (it) | 1979-04-19 |
CH631575A5 (de) | 1982-08-13 |
JPS636979B2 (xx) | 1988-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment | ||
PBP | Patent lapsed |