DE2930764A1 - Filmleuchte mit zwei gluehlampen-reflektor-einheiten - Google Patents
Filmleuchte mit zwei gluehlampen-reflektor-einheitenInfo
- Publication number
- DE2930764A1 DE2930764A1 DE19792930764 DE2930764A DE2930764A1 DE 2930764 A1 DE2930764 A1 DE 2930764A1 DE 19792930764 DE19792930764 DE 19792930764 DE 2930764 A DE2930764 A DE 2930764A DE 2930764 A1 DE2930764 A1 DE 2930764A1
- Authority
- DE
- Germany
- Prior art keywords
- section
- film light
- light according
- film
- 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.)
- Withdrawn
Links
- 238000007373 indentation Methods 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 4
- 239000005388 borosilicate glass Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 101150012195 PREB gene Proteins 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K7/00—Lamps for purposes other than general lighting
- H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/939,930 US4169237A (en) | 1978-09-06 | 1978-09-06 | High voltage movie light and incandescent lamp unit for use therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2930764A1 true DE2930764A1 (de) | 1980-03-20 |
Family
ID=25473952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792930764 Withdrawn DE2930764A1 (de) | 1978-09-06 | 1979-07-28 | Filmleuchte mit zwei gluehlampen-reflektor-einheiten |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4169237A (OSRAM) |
| JP (2) | JPS5537793A (OSRAM) |
| BE (1) | BE878597A (OSRAM) |
| CA (1) | CA1124220A (OSRAM) |
| DE (1) | DE2930764A1 (OSRAM) |
| FR (1) | FR2435665A1 (OSRAM) |
| GB (1) | GB2031575B (OSRAM) |
| NL (1) | NL7906667A (OSRAM) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143776A1 (de) * | 1981-11-04 | 1983-05-11 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | "beleuchtungsvorrichtung fuer projektionseinrichtungen" |
| JPS59111136A (ja) * | 1982-12-16 | 1984-06-27 | Wakomu Seisakusho:Kk | 映写用光源装置 |
| US4499526A (en) * | 1983-08-25 | 1985-02-12 | General Electric Company | Lamp unit having glass reflector member with recessed base end |
| CA1265840A (en) * | 1985-10-29 | 1990-02-13 | Antonius J. Huijbers | Incandescent lamp having a vessel with an annular reflective coating and a filament arranged zigsagwise |
| US4728849A (en) * | 1986-07-07 | 1988-03-01 | Gte Products Corporation | Capsule light source for electric lamp |
| JPH0718087Y2 (ja) * | 1988-06-15 | 1995-04-26 | 松下電工株式会社 | 反射板 |
| US6271629B1 (en) * | 2000-01-25 | 2001-08-07 | Vincent Mario Pace | Modular system for movie set lighting |
| KR100810297B1 (ko) * | 2006-10-31 | 2008-03-06 | 삼성전자주식회사 | 휴대용 무선 단말기의 무선 통신 인터페이스 |
| US20100140831A1 (en) * | 2008-12-05 | 2010-06-10 | Computerized Cutters, Inc. | Molded object-forming apparatus and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2411568A (en) * | 1943-04-23 | 1946-11-26 | Gen Electric | Lamp unit |
| US2387038A (en) * | 1943-09-15 | 1945-10-16 | Rca Corp | Reflector |
| US2447923A (en) * | 1944-08-26 | 1948-08-24 | Holophane Co Inc | Lighting system and lighting units for use therein |
| US2810660A (en) * | 1954-02-01 | 1957-10-22 | Westinghouse Electric Corp | Diffusing reflecting coating and method of preparing same |
| US4021659A (en) * | 1975-10-30 | 1977-05-03 | General Electric Company | Projector lamp reflector |
| US4035631A (en) * | 1975-12-15 | 1977-07-12 | General Electric Company | Projector lamp reflector |
-
1978
- 1978-09-06 US US05/939,930 patent/US4169237A/en not_active Expired - Lifetime
-
1979
- 1979-07-28 DE DE19792930764 patent/DE2930764A1/de not_active Withdrawn
- 1979-08-10 CA CA333,595A patent/CA1124220A/en not_active Expired
- 1979-09-05 JP JP11304279A patent/JPS5537793A/ja active Pending
- 1979-09-05 FR FR7922157A patent/FR2435665A1/fr active Granted
- 1979-09-05 BE BE2/58045A patent/BE878597A/xx unknown
- 1979-09-05 GB GB7930805A patent/GB2031575B/en not_active Expired
- 1979-09-06 NL NL7906667A patent/NL7906667A/nl not_active Application Discontinuation
-
1983
- 1983-05-24 JP JP1983077082U patent/JPS5933034U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2031575B (en) | 1982-10-06 |
| NL7906667A (nl) | 1980-03-10 |
| JPS5933034U (ja) | 1984-02-29 |
| US4169237A (en) | 1979-09-25 |
| FR2435665A1 (fr) | 1980-04-04 |
| FR2435665B1 (OSRAM) | 1983-07-01 |
| GB2031575A (en) | 1980-04-23 |
| JPS5537793A (en) | 1980-03-15 |
| BE878597A (fr) | 1979-12-31 |
| CA1124220A (en) | 1982-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1936715C3 (de) | Optische Projektionsvorrichtung | |
| DE102016123775B4 (de) | Fotografie-LED-Scheinwerfer mit umschaltbarem Direktbeleuchtungsmodus und Weichlichtmodus | |
| DE69717598T2 (de) | Signallampe mit leuchtdioden | |
| EP1548358A1 (de) | Stufenlinsenscheinwerfer mit gekoppelter Abstandsveränderung lichttechnischer Elemente | |
| DE69933728T2 (de) | Beleuchtungseinheit mit Reflektor | |
| WO2001011286A1 (de) | Scheinwerfer | |
| EP1548356A1 (de) | Stufenlinsenscheinwerfer mit veränderbarem Abstand zwischen Licthquelle und Reflektor | |
| DE69411647T2 (de) | Leuchte | |
| DE2930764A1 (de) | Filmleuchte mit zwei gluehlampen-reflektor-einheiten | |
| DE1925683C2 (de) | Beleuchtungsvorrichtung zum Beleuchten einer rechteckigen Vorlage auf einer ebenen Vorlagenbühne in einem Projektionskopiergerät | |
| DE2930799A1 (de) | Filmleuchte fuer niederspannung-gluehlampen mit zwei lampenreflektor-einheiten | |
| DE2135698A1 (de) | Optisches System insbesondere Projektor | |
| EP1548357B1 (de) | Stufenlinsenscheinwerfer | |
| DE102005047746A1 (de) | Anordnung zum gezielten Entblenden von Außenleuchten in vertikaler und horizontaler Achse | |
| EP0176527A1 (de) | Beleuchtungsscheinwerfer mit einstellbarer lichtstärkeverteilung | |
| DE4413111C2 (de) | Leuchte für eine gleichmäßige Beleuchtungsstärkeverteilung | |
| WO1990010174A1 (de) | Leuchte, insbesondere für kraftfahrzeuge | |
| EP1610055B1 (de) | Fokussierbarer Scheinwerfer mit asymetrischer Lichtverteilung | |
| DE3723129C2 (de) | Beleuchtungssystem für einen Schreibprojektor | |
| DE4215382C1 (de) | Leuchte mit einer verstellbaren rastervorrichtung | |
| DE3515827A1 (de) | Diffus strahlende beleuchtungsquelle | |
| EP1291578B1 (de) | Leuchte | |
| DE1447075C3 (de) | Schattenarme Leuchte zur streu-Hchtlosen Beleuchtung | |
| DE3519190C2 (de) | Meßlichtprojektor für ein Spektralmeßgerät | |
| DE7021913U (de) | Fotografisches kopiergeraet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| 8128 | New person/name/address of the agent |
Representative=s name: LEMKE, J., DIPL.-ING., PAT.-ANW., 8900 AUGSBURG |
|
| 8141 | Disposal/no request for examination |