GB412841A - Gas filled incandescent electric lamp with a tubular bulb - Google Patents
Gas filled incandescent electric lamp with a tubular bulbInfo
- Publication number
- GB412841A GB412841A GB32136/33A GB3213633A GB412841A GB 412841 A GB412841 A GB 412841A GB 32136/33 A GB32136/33 A GB 32136/33A GB 3213633 A GB3213633 A GB 3213633A GB 412841 A GB412841 A GB 412841A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bulb
- gas
- atmospheres
- nov
- glass
- 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
- 239000007789 gas Substances 0.000 abstract 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
Landscapes
- Glass Compositions (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT412841X | 1932-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB412841A true GB412841A (en) | 1934-07-05 |
Family
ID=3673797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32136/33A Expired GB412841A (en) | 1932-11-18 | 1933-11-17 | Gas filled incandescent electric lamp with a tubular bulb |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE399209A (enrdf_load_stackoverflow) |
| DE (1) | DE628031C (enrdf_load_stackoverflow) |
| FR (1) | FR763742A (enrdf_load_stackoverflow) |
| GB (1) | GB412841A (enrdf_load_stackoverflow) |
| NL (2) | NL44757C (enrdf_load_stackoverflow) |
-
0
- BE BE399209D patent/BE399209A/xx unknown
- NL NL67105D patent/NL67105C/xx active
- NL NL44757D patent/NL44757C/xx active
-
1932
- 1932-11-30 DE DEV28910D patent/DE628031C/de not_active Expired
-
1933
- 1933-11-14 FR FR763742D patent/FR763742A/fr not_active Expired
- 1933-11-17 GB GB32136/33A patent/GB412841A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE399209A (enrdf_load_stackoverflow) | |
| FR763742A (fr) | 1934-05-05 |
| NL67105C (enrdf_load_stackoverflow) | |
| DE628031C (de) | 1936-03-27 |
| NL44757C (enrdf_load_stackoverflow) |
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