GB1342841A - Electric gas-discharge lamps - Google Patents
Electric gas-discharge lampsInfo
- Publication number
- GB1342841A GB1342841A GB2443571*A GB2443571A GB1342841A GB 1342841 A GB1342841 A GB 1342841A GB 2443571 A GB2443571 A GB 2443571A GB 1342841 A GB1342841 A GB 1342841A
- Authority
- GB
- United Kingdom
- Prior art keywords
- discharge lamps
- electric gas
- gas
- electric
- lamps
- 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
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
- H01J61/34—Double-wall vessels or containers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7009499A FR2082471A5 (en) | 1970-03-17 | 1970-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1342841A true GB1342841A (en) | 1974-01-03 |
Family
ID=9052383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2443571*A Expired GB1342841A (en) | 1970-03-17 | 1971-04-19 | Electric gas-discharge lamps |
Country Status (8)
Country | Link |
---|---|
US (1) | US3740604A (en) |
BE (1) | BE764324A (en) |
DE (1) | DE2112687A1 (en) |
FR (1) | FR2082471A5 (en) |
GB (1) | GB1342841A (en) |
LU (1) | LU62795A1 (en) |
NL (1) | NL7103485A (en) |
SU (1) | SU372858A3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3320508A1 (en) * | 1983-06-07 | 1984-12-13 | W.C. Heraeus Gmbh, 6450 Hanau | DISCHARGE LAMP |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08162007A (en) * | 1994-12-06 | 1996-06-21 | Koito Mfg Co Ltd | Discharge lamp device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148300A (en) * | 1961-08-04 | 1964-09-08 | Gen Electric | Lamp having envelope of glass opaque to ultraviolet radiation |
BE630902A (en) * | 1962-04-12 |
-
1970
- 1970-03-17 FR FR7009499A patent/FR2082471A5/fr not_active Expired
-
1971
- 1971-03-16 BE BE764324A patent/BE764324A/en unknown
- 1971-03-16 LU LU62795D patent/LU62795A1/xx unknown
- 1971-03-16 NL NL7103485A patent/NL7103485A/xx unknown
- 1971-03-16 US US00124823A patent/US3740604A/en not_active Expired - Lifetime
- 1971-03-16 DE DE19712112687 patent/DE2112687A1/en active Pending
- 1971-03-17 SU SU1629076A patent/SU372858A3/ru active
- 1971-04-19 GB GB2443571*A patent/GB1342841A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3320508A1 (en) * | 1983-06-07 | 1984-12-13 | W.C. Heraeus Gmbh, 6450 Hanau | DISCHARGE LAMP |
Also Published As
Publication number | Publication date |
---|---|
FR2082471A5 (en) | 1971-12-10 |
US3740604A (en) | 1973-06-19 |
LU62795A1 (en) | 1971-08-23 |
NL7103485A (en) | 1971-09-21 |
DE2112687A1 (en) | 1971-09-30 |
SU372858A3 (en) | 1973-03-01 |
BE764324A (en) | 1971-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |