IT1094251B - Lampada a scarica in atmosfera gassosa a bassa pressione - Google Patents
Lampada a scarica in atmosfera gassosa a bassa pressioneInfo
- Publication number
- IT1094251B IT1094251B IT20403/78A IT2040378A IT1094251B IT 1094251 B IT1094251 B IT 1094251B IT 20403/78 A IT20403/78 A IT 20403/78A IT 2040378 A IT2040378 A IT 2040378A IT 1094251 B IT1094251 B IT 1094251B
- Authority
- IT
- Italy
- Prior art keywords
- low pressure
- discharge lamp
- pressure discharge
- gaseous atmosphere
- gaseous
- 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
- H01J61/10—Shields, screens, or guides for influencing the discharge
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7701910A NL7701910A (nl) | 1977-02-23 | 1977-02-23 | Lagedrukgasontladingslamp. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7820403A0 IT7820403A0 (it) | 1978-02-20 |
IT1094251B true IT1094251B (it) | 1985-07-26 |
Family
ID=19828034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20403/78A IT1094251B (it) | 1977-02-23 | 1978-02-20 | Lampada a scarica in atmosfera gassosa a bassa pressione |
Country Status (9)
Country | Link |
---|---|
US (1) | US4143447A (it) |
JP (1) | JPS5931827B2 (it) |
BE (1) | BE864160A (it) |
CA (1) | CA1101041A (it) |
DE (1) | DE2804752A1 (it) |
FR (1) | FR2382092A1 (it) |
GB (1) | GB1568487A (it) |
IT (1) | IT1094251B (it) |
NL (1) | NL7701910A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7807218A (nl) * | 1978-07-04 | 1980-01-08 | Philips Nv | Lagedrukgasontladingslamp. |
NL185479C (nl) * | 1979-04-03 | 1990-04-17 | Philips Nv | Lagedrukgasontladingslamp. |
NL7908924A (nl) * | 1979-12-12 | 1981-07-16 | Philips Nv | Lagedrukkwikdampontladingslamp. |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1472505A (en) * | 1920-04-16 | 1923-10-30 | Western Electric Co | Method of making electrodes |
DE510596C (de) * | 1928-07-14 | 1930-10-28 | Patra Patent Treuhand | Elektrische Entladungslampe mit Gas- oder Dampffuellung |
US2000163A (en) * | 1934-08-04 | 1935-05-07 | Bell Telephone Labor Inc | Method of mounting electrodes |
US2133205A (en) * | 1936-08-19 | 1938-10-11 | John H Mccauley | Animated electrical discharge device |
US2170066A (en) * | 1938-05-27 | 1939-08-22 | Ruben Samuel | Fluorescent lamp |
FR1026044A (fr) * | 1950-10-17 | 1953-04-22 | Acec | Lampes fluorescentes courtes de forte puissance |
GB721523A (en) * | 1952-01-08 | 1955-01-05 | Chromatic Television Lab Inc | Display surface for color television tubes |
NL163669C (nl) * | 1974-07-11 | 1980-09-15 | Philips Nv | Lagedrukgasontladingslamp. |
DE2529005C3 (de) * | 1974-07-11 | 1979-12-06 | N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) | Niederdruck-Gasentladungslampe |
-
1977
- 1977-02-23 NL NL7701910A patent/NL7701910A/xx not_active Application Discontinuation
-
1978
- 1978-02-04 DE DE19782804752 patent/DE2804752A1/de not_active Withdrawn
- 1978-02-13 US US05/877,162 patent/US4143447A/en not_active Expired - Lifetime
- 1978-02-16 CA CA297,142A patent/CA1101041A/en not_active Expired
- 1978-02-20 IT IT20403/78A patent/IT1094251B/it active
- 1978-02-20 JP JP53017750A patent/JPS5931827B2/ja not_active Expired
- 1978-02-20 GB GB6638/78A patent/GB1568487A/en not_active Expired
- 1978-02-21 FR FR7804862A patent/FR2382092A1/fr active Granted
- 1978-02-21 BE BE185342A patent/BE864160A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1568487A (en) | 1980-05-29 |
US4143447A (en) | 1979-03-13 |
FR2382092B1 (it) | 1982-01-15 |
JPS5931827B2 (ja) | 1984-08-04 |
CA1101041A (en) | 1981-05-12 |
NL7701910A (nl) | 1978-08-25 |
FR2382092A1 (fr) | 1978-09-22 |
JPS53107185A (en) | 1978-09-18 |
DE2804752A1 (de) | 1978-08-24 |
BE864160A (fr) | 1978-08-21 |
IT7820403A0 (it) | 1978-02-20 |
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