GB1488593A - Vibrating filament lamp with auxiliary stationary filamen - Google Patents
Vibrating filament lamp with auxiliary stationary filamenInfo
- Publication number
- GB1488593A GB1488593A GB13760/75A GB1376075A GB1488593A GB 1488593 A GB1488593 A GB 1488593A GB 13760/75 A GB13760/75 A GB 13760/75A GB 1376075 A GB1376075 A GB 1376075A GB 1488593 A GB1488593 A GB 1488593A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filament
- envelope
- filamen
- filament lamp
- auxiliary stationary
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
1488593 Electric incandescent lamps DUROTEST CORP 3 April 1975 [27 Sept 1974] 13760/75 Heading H1F A lamp comprises a transparent envelope 10, means such as a permanent magnet 22 for producing a magnetic field, a first filament 20 mounted within the envelope at a predetermined orientation with respect to the magnetic field so that, when supplied with alternating current, it incandesces and vibrates, and second means having electrical resistance properties. The first filament is preferably made of carbon and the second means may be a second filament 26 made of tungsten and connected in series or in parallel with the first filament. In a modification the second means is an annular resistor (40, Fig. 3, not shown) surrounding the stem (16). The magnet may be mounted outside the envelope.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US509831A US3889154A (en) | 1974-09-27 | 1974-09-27 | Vibrating filament lamp with auxiliary stationary filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1488593A true GB1488593A (en) | 1977-10-12 |
Family
ID=24028259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13760/75A Expired GB1488593A (en) | 1974-09-27 | 1975-04-03 | Vibrating filament lamp with auxiliary stationary filamen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3889154A (en) |
| DE (1) | DE2509305A1 (en) |
| ES (1) | ES435142A1 (en) |
| FR (1) | FR2286502A1 (en) |
| GB (1) | GB1488593A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD385366S (en) * | 1992-07-17 | 1997-10-21 | Rudiger Darius Paulmann | Halogen lamp |
| USD410554S (en) * | 1998-10-01 | 1999-06-01 | Raymond Guyton | Incandescent lamp |
| USD1039178S1 (en) * | 2021-02-02 | 2024-08-13 | Sengled Co., Ltd. | Candle light bulb |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3237053A (en) * | 1964-02-21 | 1966-02-22 | Robert J Kyp | Electric light bulb with oscillating filament |
| US3549946A (en) * | 1968-11-29 | 1970-12-22 | Robert J Kyp | Incandescent lamp with oscillating filament |
| US3548255A (en) * | 1969-03-06 | 1970-12-15 | Robert J Kyp | Incandescent lamp with oscillating filament |
| US3790998A (en) * | 1971-11-03 | 1974-02-12 | R Kaufman | Method of making a lamp with oscillating filament |
-
1974
- 1974-09-27 US US509831A patent/US3889154A/en not_active Expired - Lifetime
-
1975
- 1975-02-27 ES ES435142A patent/ES435142A1/en not_active Expired
- 1975-03-04 DE DE19752509305 patent/DE2509305A1/en active Pending
- 1975-04-03 GB GB13760/75A patent/GB1488593A/en not_active Expired
- 1975-05-23 FR FR7516084A patent/FR2286502A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2509305A1 (en) | 1976-04-01 |
| FR2286502A1 (en) | 1976-04-23 |
| ES435142A1 (en) | 1977-02-01 |
| US3889154A (en) | 1975-06-10 |
| FR2286502B3 (en) | 1978-12-01 |
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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 |