GB1315597A - Filamentary display devices - Google Patents
Filamentary display devicesInfo
- Publication number
- GB1315597A GB1315597A GB1568471*[A GB1568471A GB1315597A GB 1315597 A GB1315597 A GB 1315597A GB 1568471 A GB1568471 A GB 1568471A GB 1315597 A GB1315597 A GB 1315597A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filament
- flashing
- stretched
- flashed
- filamentary
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005452 bending Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 229910052702 rhenium Inorganic materials 0.000 abstract 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 abstract 1
- 238000007665 sagging Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 abstract 1
- 229910003452 thorium oxide Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Resistance Heating (AREA)
- General Induction Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4065970A | 1970-05-26 | 1970-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1315597A true GB1315597A (en) | 1973-05-02 |
Family
ID=21912223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1568471*[A Expired GB1315597A (en) | 1970-05-26 | 1971-05-19 | Filamentary display devices |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3673652A (de) |
| BE (1) | BE767563A (de) |
| BR (1) | BR7103064D0 (de) |
| CA (1) | CA950526A (de) |
| CH (1) | CH539338A (de) |
| EG (1) | EG10329A (de) |
| ES (1) | ES391353A1 (de) |
| FR (1) | FR2093776A5 (de) |
| GB (1) | GB1315597A (de) |
| NL (1) | NL7107153A (de) |
| SE (1) | SE360777B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567192A (en) * | 1994-05-31 | 1996-10-22 | Cummings Incorporated | Method and apparatus for processing electron gas discharge tubing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2812508A (en) * | 1954-10-20 | 1957-11-05 | Westinghouse Electric Corp | Filament lighting contact assembly for fluorescent lamp exhaust machines |
| US2991387A (en) * | 1958-09-22 | 1961-07-04 | Burroughs Corp | Indicator tube |
| US3529335A (en) * | 1966-05-06 | 1970-09-22 | Pinlites Inc | Method of making a light bulb with a plurality of independently connected filaments for indicating graphic symbols |
| US3408523A (en) * | 1966-05-06 | 1968-10-29 | Ohmega Lab | Light bulb with a plurality of independently connected filaments for indicating graphic symbols |
| US3483609A (en) * | 1967-10-31 | 1969-12-16 | Gen Electric | Incandescent lamp manufacture |
| US3564325A (en) * | 1969-04-29 | 1971-02-16 | Rca Corp | Display device including a point image |
-
1970
- 1970-05-26 US US40659A patent/US3673652A/en not_active Expired - Lifetime
-
1971
- 1971-04-01 CA CA109,418,A patent/CA950526A/en not_active Expired
- 1971-04-26 EG EG173/71A patent/EG10329A/xx active
- 1971-05-19 ES ES391353A patent/ES391353A1/es not_active Expired
- 1971-05-19 BR BR3064/71A patent/BR7103064D0/pt unknown
- 1971-05-19 GB GB1568471*[A patent/GB1315597A/en not_active Expired
- 1971-05-24 BE BE767563A patent/BE767563A/xx unknown
- 1971-05-25 NL NL7107153A patent/NL7107153A/xx unknown
- 1971-05-25 SE SE06741/71A patent/SE360777B/xx unknown
- 1971-05-26 CH CH768771A patent/CH539338A/de not_active IP Right Cessation
- 1971-05-26 FR FR7119126A patent/FR2093776A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EG10329A (en) | 1976-06-30 |
| CA950526A (en) | 1974-07-02 |
| NL7107153A (de) | 1971-11-30 |
| BE767563A (fr) | 1971-10-18 |
| SE360777B (de) | 1973-10-01 |
| BR7103064D0 (pt) | 1973-04-12 |
| CH539338A (de) | 1973-07-15 |
| FR2093776A5 (de) | 1972-01-28 |
| DE2125953B2 (de) | 1975-06-19 |
| US3673652A (en) | 1972-07-04 |
| ES391353A1 (es) | 1973-07-16 |
| DE2125953A1 (de) | 1971-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1041392A (en) | Improvements relating to electric incandescent filament lamps | |
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| GB1018099A (en) | Improvements in electric incandescent lamps | |
| GB1191247A (en) | Incandescent Lamp | |
| GB1315597A (en) | Filamentary display devices | |
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| GB1294954A (de) | ||
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| GB1025189A (en) | Incandescent lamp | |
| GB1286746A (en) | Getter composition for electric lamps and similar devices | |
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| GB1102646A (en) | Electric lamp with ribbon seal | |
| GB1263846A (en) | Methods of making electric incandescent lamps | |
| ES338975A1 (es) | Un dispositivo de lampara incandescente alargada. | |
| GB1092405A (en) | Method of making lamp filaments | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |