GB422897A - Improvements in or relating to electric discharge tubes - Google Patents
Improvements in or relating to electric discharge tubesInfo
- Publication number
- GB422897A GB422897A GB28579/34A GB2857934A GB422897A GB 422897 A GB422897 A GB 422897A GB 28579/34 A GB28579/34 A GB 28579/34A GB 2857934 A GB2857934 A GB 2857934A GB 422897 A GB422897 A GB 422897A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- envelope
- space
- cap
- wall
- 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
- 230000004048 modification Effects 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 2
- 229910000604 Ferrochrome Inorganic materials 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000011491 glass wool Substances 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 1
- 229910052754 neon Inorganic materials 0.000 abstract 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052716 thallium Inorganic materials 0.000 abstract 1
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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/06—Preparation of azo dyes from other azo compounds by oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL422897X | 1933-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB422897A true GB422897A (en) | 1935-01-21 |
Family
ID=19786085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28579/34A Expired GB422897A (en) | 1933-11-04 | 1934-10-05 | Improvements in or relating to electric discharge tubes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2103078A (cg-RX-API-DMAC7.html) |
| DE (1) | DE653902C (cg-RX-API-DMAC7.html) |
| FR (1) | FR45379E (cg-RX-API-DMAC7.html) |
| GB (1) | GB422897A (cg-RX-API-DMAC7.html) |
| NL (1) | NL38736C (cg-RX-API-DMAC7.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2205197A (en) * | 1987-05-29 | 1988-11-30 | Osram Gec Ltd | Low pressure sodium lamps |
| GB2245417A (en) * | 1990-04-20 | 1992-01-02 | Koito Mfg Co Ltd | Discharge lamp. |
| US5220235A (en) * | 1990-04-20 | 1993-06-15 | Koito Manufacturing Co., Ltd. | Discharge lamp device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459567A (en) * | 1946-12-21 | 1949-01-18 | Gen Electric | Positive column lamp |
| US2686268A (en) * | 1951-08-10 | 1954-08-10 | Philip W Martin | Well logging device |
| US3013104A (en) * | 1957-07-18 | 1961-12-12 | Video Instr Company Inc | Heat bank for transistorized circuits |
| US3333132A (en) * | 1964-05-19 | 1967-07-25 | Westinghouse Electric Corp | Discharge lamp having heat reflecting shields surrounding its electrodes |
-
0
- NL NL38736D patent/NL38736C/xx active
-
1934
- 1934-10-05 GB GB28579/34A patent/GB422897A/en not_active Expired
- 1934-10-30 DE DEN37344D patent/DE653902C/de not_active Expired
- 1934-10-30 US US750713A patent/US2103078A/en not_active Expired - Lifetime
- 1934-10-31 FR FR45379D patent/FR45379E/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2205197A (en) * | 1987-05-29 | 1988-11-30 | Osram Gec Ltd | Low pressure sodium lamps |
| GB2245417A (en) * | 1990-04-20 | 1992-01-02 | Koito Mfg Co Ltd | Discharge lamp. |
| US5220235A (en) * | 1990-04-20 | 1993-06-15 | Koito Manufacturing Co., Ltd. | Discharge lamp device |
| GB2245417B (en) * | 1990-04-20 | 1994-06-08 | Koito Mfg Co Ltd | Discharge lamp device |
Also Published As
| Publication number | Publication date |
|---|---|
| US2103078A (en) | 1937-12-21 |
| FR45379E (fr) | 1935-07-26 |
| DE653902C (de) | 1937-12-06 |
| NL38736C (cg-RX-API-DMAC7.html) |
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