JPS5317830B2 - - Google Patents
Info
- Publication number
- JPS5317830B2 JPS5317830B2 JP1591374A JP1591374A JPS5317830B2 JP S5317830 B2 JPS5317830 B2 JP S5317830B2 JP 1591374 A JP1591374 A JP 1591374A JP 1591374 A JP1591374 A JP 1591374A JP S5317830 B2 JPS5317830 B2 JP S5317830B2
- Authority
- JP
- Japan
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7302046A NL7302046A (ja) | 1973-02-14 | 1973-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49112474A JPS49112474A (ja) | 1974-10-26 |
| JPS5317830B2 true JPS5317830B2 (ja) | 1978-06-10 |
Family
ID=19818218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1591374A Expired JPS5317830B2 (ja) | 1973-02-14 | 1974-02-09 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3942063A (ja) |
| JP (1) | JPS5317830B2 (ja) |
| BE (1) | BE810920A (ja) |
| CA (1) | CA1013415A (ja) |
| FR (1) | FR2217801B3 (ja) |
| GB (1) | GB1397232A (ja) |
| IT (1) | IT1007365B (ja) |
| NL (1) | NL7302046A (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4686412A (en) * | 1986-04-14 | 1987-08-11 | Gte Products Corporation | Reflector-type lamp having reduced focus loss |
| US4683397A (en) * | 1986-04-14 | 1987-07-28 | Gte Products Corporation | Compact incandescent coiled coil filament |
| GB9807842D0 (en) | 1998-04-09 | 1998-06-10 | Gen Electric | Lamp filament |
| US6690103B1 (en) | 1999-07-21 | 2004-02-10 | Alan K. Uke | Incandescent light bulb with variable pitch coiled filament |
| US6856078B2 (en) * | 2001-06-27 | 2005-02-15 | Asm America, Inc. | Lamp filament design |
| GB2428877A (en) * | 2005-07-25 | 2007-02-07 | Gen Electric | Gap-Wound Filament Array and Lamps Using the Same |
| US7541726B2 (en) * | 2006-05-17 | 2009-06-02 | Osram Sylvania Inc. | Lamp filament |
| US7851981B2 (en) | 2006-12-22 | 2010-12-14 | Seasonal Specialties, Llc | Visible perception of brightness in miniature bulbs for an ornamental lighting circuit |
| US8581492B2 (en) * | 2010-10-20 | 2013-11-12 | General Electric Company | Electric incandescent lamp for vehicle headlights with new filament geometry |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1998958A (en) * | 1930-04-07 | 1935-04-23 | Gen Electric | Connection for filament and lead wires |
| US2084999A (en) * | 1935-10-17 | 1937-06-29 | Birdseye Electric Corp | Electric lamp |
| US2424518A (en) * | 1944-12-04 | 1947-07-22 | Gen Electric | Coil electrode |
| US2479193A (en) * | 1946-07-08 | 1949-08-16 | Gen Electric | Articulated cathode |
-
1973
- 1973-02-14 NL NL7302046A patent/NL7302046A/xx not_active Application Discontinuation
-
1974
- 1974-01-10 US US05/432,282 patent/US3942063A/en not_active Expired - Lifetime
- 1974-01-24 GB GB338674A patent/GB1397232A/en not_active Expired
- 1974-02-08 CA CA192,065A patent/CA1013415A/en not_active Expired
- 1974-02-09 JP JP1591374A patent/JPS5317830B2/ja not_active Expired
- 1974-02-11 IT IT20470/74A patent/IT1007365B/it active
- 1974-02-12 BE BE140822A patent/BE810920A/xx unknown
- 1974-02-14 FR FR7405055A patent/FR2217801B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49112474A (ja) | 1974-10-26 |
| DE2403475A1 (de) | 1974-08-22 |
| FR2217801B3 (ja) | 1976-11-26 |
| US3942063A (en) | 1976-03-02 |
| FR2217801A1 (ja) | 1974-09-06 |
| DE2403475B2 (de) | 1977-01-20 |
| NL7302046A (ja) | 1974-08-16 |
| GB1397232A (en) | 1975-06-11 |
| IT1007365B (it) | 1976-10-30 |
| CA1013415A (en) | 1977-07-05 |
| BE810920A (fr) | 1974-08-12 |