NL72934C - - Google Patents
Info
- Publication number
- NL72934C NL72934C NL72934DA NL72934C NL 72934 C NL72934 C NL 72934C NL 72934D A NL72934D A NL 72934DA NL 72934 C NL72934 C NL 72934C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US741632A US2549330A (en) | 1947-04-15 | 1947-04-15 | Photographic light unit |
Publications (1)
Publication Number | Publication Date |
---|---|
NL72934C true NL72934C (fr) |
Family
ID=24981522
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL72934D NL72934C (fr) | 1947-04-15 | ||
NL676716802A NL139917B (nl) | 1947-04-15 | Inrichting voor de verwerking van kleurfoelies op een degelpers. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL676716802A NL139917B (nl) | 1947-04-15 | Inrichting voor de verwerking van kleurfoelies op een degelpers. |
Country Status (3)
Country | Link |
---|---|
US (1) | US2549330A (fr) |
GB (1) | GB648418A (fr) |
NL (2) | NL139917B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2825795A (en) * | 1953-11-25 | 1958-03-04 | Andrew F Henninger | Flashtube mounting structure |
US2794906A (en) * | 1954-06-16 | 1957-06-04 | Harold E Edgerton | Gaseous-discharge apparatus |
DE958804C (de) * | 1954-07-15 | 1957-02-21 | Dr Arthur Gewehr | Beleuchtungseinrichtung fuer photographische Zwecke |
US5452188A (en) * | 1992-04-14 | 1995-09-19 | Green; Timothy M. | Modular strobe bar |
US9195117B2 (en) * | 2009-01-29 | 2015-11-24 | William Connor Delzell | Modified system and method for obtaining photographic and/or videographic images |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1374832A (en) * | 1919-09-27 | 1921-04-12 | Connecticut Telephone & Elec | Vacuum-tube base |
US1677752A (en) * | 1921-01-27 | 1928-07-17 | Harry A Douglas | Electric reflecting lamp |
US2201853A (en) * | 1938-01-28 | 1940-05-21 | Gen Electric | Socket structure |
US2205672A (en) * | 1938-10-13 | 1940-06-25 | David F Sawyer | Lighting element and fixture therefor |
US2277698A (en) * | 1941-05-13 | 1942-03-31 | Herbert E Grier | Flash-photography apparatus |
-
0
- NL NL72934D patent/NL72934C/xx active
- NL NL676716802A patent/NL139917B/xx unknown
-
1947
- 1947-04-15 US US741632A patent/US2549330A/en not_active Expired - Lifetime
-
1948
- 1948-04-15 GB GB10503/48A patent/GB648418A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2549330A (en) | 1951-04-17 |
GB648418A (en) | 1951-01-03 |
NL139917B (nl) |