DE3436685C2 - - Google Patents
Info
- Publication number
- DE3436685C2 DE3436685C2 DE19843436685 DE3436685A DE3436685C2 DE 3436685 C2 DE3436685 C2 DE 3436685C2 DE 19843436685 DE19843436685 DE 19843436685 DE 3436685 A DE3436685 A DE 3436685A DE 3436685 C2 DE3436685 C2 DE 3436685C2
- Authority
- DE
- Germany
- Prior art keywords
- lamp
- light
- film
- reflector head
- control
- 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 - Fee Related
Links
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 241000863814 Thyris Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000003828 downregulation Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
- H05B39/081—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices by measuring the incident light
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843436685 DE3436685A1 (de) | 1984-10-05 | 1984-10-05 | Elektrische filmleuchte |
| DE19863603382 DE3603382A1 (de) | 1984-10-05 | 1986-02-05 | Elektrische filmleuchte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843436685 DE3436685A1 (de) | 1984-10-05 | 1984-10-05 | Elektrische filmleuchte |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3436685A1 DE3436685A1 (de) | 1986-04-10 |
| DE3436685C2 true DE3436685C2 (https=) | 1991-03-14 |
Family
ID=6247249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843436685 Granted DE3436685A1 (de) | 1984-10-05 | 1984-10-05 | Elektrische filmleuchte |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3436685A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603382A1 (de) * | 1984-10-05 | 1987-08-06 | Unomat Kunststoffgesellschaft | Elektrische filmleuchte |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3617987A1 (de) * | 1986-05-28 | 1987-12-03 | Unomat Gmbh & Co Kg | Leuchte fuer film-, video- oder fotozwecke |
| DE3819612A1 (de) * | 1988-06-09 | 1989-12-14 | Unomat Gmbh & Co Kg | Videokamera mit zugeordneter videoleuchte |
| DE3936475A1 (de) * | 1989-11-02 | 1991-05-08 | Westdeutscher Rundfunk | Verfahren zur steuerung der lichtstaerke einer kameraleuchte |
| DE3938228A1 (de) * | 1989-11-17 | 1991-05-23 | Unomat Gmbh & Co Kg | Aufsatzgehaeuse fuer kameras |
| GB2549152B (en) | 2016-04-08 | 2020-09-16 | Rotolight Ltd | Lighting system and control thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE843361C (de) * | 1950-06-20 | 1952-07-07 | Bernhard Deltschaft | Anordnung bei Aufnahme- und Projektionslampen |
| DE1952170A1 (de) * | 1969-10-16 | 1971-05-13 | Gluehlampenfabrik Dr Guenther | Beleuchtungsvorrichtung fuer Farbaufnahmen |
| US4346331A (en) * | 1980-05-27 | 1982-08-24 | Enertron, Inc. | Feedback control system for applying AC power to ballasted lamps |
-
1984
- 1984-10-05 DE DE19843436685 patent/DE3436685A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603382A1 (de) * | 1984-10-05 | 1987-08-06 | Unomat Kunststoffgesellschaft | Elektrische filmleuchte |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3436685A1 (de) | 1986-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 3603382 Format of ref document f/p: P |
|
| 8125 | Change of the main classification |
Ipc: G03B 15/02 |
|
| AG | Has addition no. |
Ref country code: DE Ref document number: 3603382 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |