FR966417A - Improvements to lamp bases and holders - Google Patents
Improvements to lamp bases and holdersInfo
- Publication number
- FR966417A FR966417A FR966417DA FR966417A FR 966417 A FR966417 A FR 966417A FR 966417D A FR966417D A FR 966417DA FR 966417 A FR966417 A FR 966417A
- Authority
- FR
- France
- Prior art keywords
- holders
- lamp bases
- bases
- lamp
- 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
- H01K1/00—Details
- H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
- H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
- F21V19/0065—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base at least one conductive element acting as a support means, e.g. spring-mounted contact plate in a bayonet base
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
- G03B15/0442—Constructional details of the flash apparatus; Arrangement of lamps, reflectors, or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/30—Manufacture of bases
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US461578A US2424446A (en) | 1942-10-10 | 1942-10-10 | Electric lamp or the like |
US530667A US2415902A (en) | 1944-04-12 | 1944-04-12 | Lamp base and holder |
Publications (1)
Publication Number | Publication Date |
---|---|
FR966417A true FR966417A (en) | 1950-10-10 |
Family
ID=27040054
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938701D Expired FR938701A (en) | 1942-10-10 | 1946-10-24 | Improvements in the manufacture of electric lamps and similar devices |
FR966417D Expired FR966417A (en) | 1942-10-10 | 1947-06-25 | Improvements to lamp bases and holders |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938701D Expired FR938701A (en) | 1942-10-10 | 1946-10-24 | Improvements in the manufacture of electric lamps and similar devices |
Country Status (3)
Country | Link |
---|---|
US (1) | US2424446A (en) |
FR (2) | FR938701A (en) |
GB (2) | GB586129A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2565492A (en) * | 1946-11-15 | 1951-08-28 | Argus Cameras Inc | Flash lamp ejector socket |
DE1090959B (en) * | 1953-04-30 | 1960-10-13 | Gen Electric | Flash lamp with protective cover and process for its manufacture |
US2811846A (en) * | 1953-05-29 | 1957-11-05 | Westinghouse Electric Corp | Photoflash lamp |
DE1018309B (en) * | 1954-04-07 | 1957-10-24 | Gen Electric | Flash lamp |
DE1037854B (en) * | 1954-04-07 | 1958-08-28 | Gen Electric | Flash lamp |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US298143A (en) * | 1884-05-06 | Bdwaed weston | ||
US505422A (en) * | 1893-09-19 | Half to peter weber | ||
US298142A (en) * | 1884-05-06 | Edwaed weston | ||
US420705A (en) * | 1890-02-04 | James stewart | ||
US1531604A (en) * | 1921-06-03 | 1925-03-31 | Arthur C Gaynor | Attachment plug |
NL40440C (en) * | 1933-04-21 | |||
US2046388A (en) * | 1933-05-16 | 1936-07-07 | Westinghouse Lamp Co | Photoflash lamp |
US2071369A (en) * | 1934-01-24 | 1937-02-23 | Harry A Williams | Flash lamp |
US2049735A (en) * | 1934-11-03 | 1936-08-04 | Edward J Gould | Combined camera and flash lamp |
US2264043A (en) * | 1937-05-25 | 1941-11-25 | Gen Electric | Electric photoflash lamp |
US2192943A (en) * | 1938-05-19 | 1940-03-12 | Sumner Thomas | Electrical light socket connection |
US2224674A (en) * | 1938-08-09 | 1940-12-10 | Frank Dumur | Camera flashlight synchronizer |
US2272059A (en) * | 1939-08-19 | 1942-02-03 | Westinghouse Electric & Mfg Co | Photoflash lamp |
US2274400A (en) * | 1939-09-05 | 1942-02-24 | Westinghouse Electric & Mfg Co | Manufacture of photoflash lamps |
US2233146A (en) * | 1940-01-08 | 1941-02-25 | Schwartz Morris | Ejector lamp socket |
US2298403A (en) * | 1940-03-21 | 1942-10-13 | Eastman Kodak Co | Apparatus for taking flashlight pictures |
US2302031A (en) * | 1940-04-08 | 1942-11-17 | Folmer Graflex Corp | Photographic apparatus |
US2329011A (en) * | 1940-07-19 | 1943-09-07 | Folmer Graflex Corp | Photographic flash synchronization equipment |
US2292242A (en) * | 1941-08-11 | 1942-08-04 | Sagona Joseph | Electric bulb and socket |
US2343552A (en) * | 1941-09-22 | 1944-03-07 | John C Hollister | Photoflash device |
-
1942
- 1942-10-10 US US461578A patent/US2424446A/en not_active Expired - Lifetime
-
1943
- 1943-10-08 GB GB16488/43A patent/GB586129A/en not_active Expired
-
1945
- 1945-04-10 GB GB8856/45A patent/GB609211A/en not_active Expired
-
1946
- 1946-10-24 FR FR938701D patent/FR938701A/en not_active Expired
-
1947
- 1947-06-25 FR FR966417D patent/FR966417A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2424446A (en) | 1947-07-22 |
GB586129A (en) | 1947-03-07 |
GB609211A (en) | 1948-09-28 |
FR938701A (en) | 1948-10-22 |
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