FR1025823A - Improvements to flashlight supports - Google Patents
Improvements to flashlight supportsInfo
- Publication number
- FR1025823A FR1025823A FR1025823DA FR1025823A FR 1025823 A FR1025823 A FR 1025823A FR 1025823D A FR1025823D A FR 1025823DA FR 1025823 A FR1025823 A FR 1025823A
- Authority
- FR
- France
- Prior art keywords
- flashlight
- supports
- flashlight supports
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/80—Lamps suitable only for intermittent operation, e.g. flash lamp
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
- F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
- F21K5/023—Ignition devices in photo flash bulbs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/37—U-shaped
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US122232A US2624023A (en) | 1949-10-19 | 1949-10-19 | Lamp unit |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1025823A true FR1025823A (en) | 1953-04-20 |
Family
ID=22401485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1025823D Expired FR1025823A (en) | 1949-10-19 | 1950-10-11 | Improvements to flashlight supports |
Country Status (3)
Country | Link |
---|---|
US (1) | US2624023A (en) |
FR (1) | FR1025823A (en) |
GB (1) | GB677044A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2825795A (en) * | 1953-11-25 | 1958-03-04 | Andrew F Henninger | Flashtube mounting structure |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2831152A (en) * | 1952-05-31 | 1958-04-15 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electronic flash lamps |
NL93096C (en) * | 1953-04-08 | |||
DE1011520B (en) * | 1953-05-28 | 1957-07-04 | Vakuumtechnik G M B H | Flash tubes designed as a helical spiral with a wire-shaped ignition electrode wound along the helical spiral onto the discharge tube |
DE1128560B (en) * | 1960-05-23 | 1962-04-26 | Deutsche Bundespost | Arrangement on gas discharge lamps |
US3851201A (en) * | 1973-05-29 | 1974-11-26 | Xerox Corp | Lamp assembly |
US4010397A (en) * | 1975-10-30 | 1977-03-01 | Hughes Aircraft Company | Flashlamp triggering arrangements for pressurized gas cooled lasers |
US4321502A (en) * | 1979-12-03 | 1982-03-23 | General Electric Company | U-Shaped discharge lamp with starting strip |
US4342940A (en) * | 1980-02-04 | 1982-08-03 | Xerox Corporation | Triggering device for a flash lamp |
US4745343A (en) * | 1980-07-02 | 1988-05-17 | Beggs William C | Panoramic optical system with very sharp beam control |
JPS57182905A (en) * | 1981-04-13 | 1982-11-11 | Gen Electric | U-shaped discharge lamp |
US4463280A (en) * | 1982-04-15 | 1984-07-31 | General Electric Company | Shaped discharge lamp with starting aid |
FR2573581B1 (en) * | 1984-11-16 | 1986-12-26 | Lemasson Guy | IMPROVED SOCKET FOR LIGHT TUBE AND SIGNALING PROJECTOR HAVING THE SAME |
DE8701119U1 (en) * | 1987-01-23 | 1988-05-19 | Heimann GmbH, 65205 Wiesbaden | Discharge lamp, especially flash tube |
US4967057A (en) * | 1988-08-02 | 1990-10-30 | Bayless Ronald E | Snow melting heater mats |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR747940A (en) * | 1932-02-22 | 1933-06-26 | Osa Participations Ind | Electric discharge lamp |
US2171580A (en) * | 1936-12-08 | 1939-09-05 | Macksoud Patents Inc | Electric lamp |
US2264092A (en) * | 1939-01-27 | 1941-11-25 | Joseph F Frese | Animated electrical discharge device |
US2277697A (en) * | 1939-01-31 | 1942-03-31 | Grier Herbert Earle | Electric system and apparatus |
US2399222A (en) * | 1941-11-08 | 1946-04-30 | Germeshausen Kenneth Joseph | Flash-photography apparatus |
US2491881A (en) * | 1944-02-26 | 1949-12-20 | Gen Electric | Darkroom lamp |
US2467472A (en) * | 1947-02-26 | 1949-04-19 | Automatic Electrical Devices C | Gaseous tube flasher circuit |
-
1949
- 1949-10-19 US US122232A patent/US2624023A/en not_active Expired - Lifetime
-
1950
- 1950-09-26 GB GB23568/50A patent/GB677044A/en not_active Expired
- 1950-10-11 FR FR1025823D patent/FR1025823A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2825795A (en) * | 1953-11-25 | 1958-03-04 | Andrew F Henninger | Flashtube mounting structure |
Also Published As
Publication number | Publication date |
---|---|
GB677044A (en) | 1952-08-06 |
US2624023A (en) | 1952-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1017534A (en) | Improvements to carriers | |
FR1025823A (en) | Improvements to flashlight supports | |
FR1027426A (en) | Improvements to recorder-translators | |
FR1027801A (en) | Improvements to turbo-reactors | |
FR996795A (en) | Improvements to datograph watches | |
FR986200A (en) | Improvements to chambermaids | |
FR1008038A (en) | Improvements to clamps | |
BE576548Q (en) | Improvements to elastic supports | |
FR997440A (en) | Improvements to containers | |
FR1025899A (en) | Improvements made to crankshafts | |
FR1018375A (en) | Improvements relating to dicarboxyphenylsilanes | |
FR1026723A (en) | Improvements to swivels | |
FR1019702A (en) | Improvements to thermostats | |
FR987778A (en) | Improvements to shirts | |
FR1029296A (en) | Improvements to ashtrays | |
FR988817A (en) | Improvements to ashtrays | |
FR990776A (en) | Improvements to washhouses | |
FR990478A (en) | Improvements to jealousies | |
FR1016147A (en) | Improvements to alpha-beta-dichloroethylsilanes | |
FR991285A (en) | Improvements to jealousies | |
FR983343A (en) | Improvements to dynamotors | |
FR998848A (en) | Improvements to turbo-reactors | |
FR1016146A (en) | Improvements to alpha-chlorovinylsilanes | |
FR1026187A (en) | Improvements to radiobeacons | |
FR996495A (en) | Improvements to churn-mixers |