FR2422107B3 - - Google Patents
Info
- Publication number
- FR2422107B3 FR2422107B3 FR7908495A FR7908495A FR2422107B3 FR 2422107 B3 FR2422107 B3 FR 2422107B3 FR 7908495 A FR7908495 A FR 7908495A FR 7908495 A FR7908495 A FR 7908495A FR 2422107 B3 FR2422107 B3 FR 2422107B3
- Authority
- FR
- France
- 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
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/08—Optical design with elliptical curvature
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782815171 DE2815171A1 (en) | 1978-04-07 | 1978-04-07 | FILM AND PHOTO RECORDING LIGHT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2422107A1 FR2422107A1 (en) | 1979-11-02 |
| FR2422107B3 true FR2422107B3 (en) | 1982-02-05 |
Family
ID=6036440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7908495A Granted FR2422107A1 (en) | 1978-04-07 | 1979-04-04 | Photographic illuminating system with reflector - has ellipsoidal reflector with halogen lamp displaced along optical axis |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JPS54139723A (en) |
| DE (1) | DE2815171A1 (en) |
| FR (1) | FR2422107A1 (en) |
| IT (1) | IT1117648B (en) |
| SE (1) | SE435869B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3000594A1 (en) * | 1980-01-09 | 1981-07-16 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | FILM AND PHOTO RECORDING LAMP |
| DE3027774A1 (en) * | 1980-07-22 | 1982-02-18 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | REFLECTOR FOR ILLUMINATING A SURFACE |
| US4591953A (en) * | 1982-04-28 | 1986-05-27 | Oram John A | Operating theatre table light |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1984432U (en) * | 1967-09-16 | 1968-04-25 | Boehme Co Dr Ing | CINEMA LIGHT. |
| US3798668A (en) * | 1972-10-05 | 1974-03-19 | Bell & Howell Co | Camera light |
-
1978
- 1978-04-07 DE DE19782815171 patent/DE2815171A1/en active Granted
-
1979
- 1979-04-04 FR FR7908495A patent/FR2422107A1/en active Granted
- 1979-04-06 JP JP4114779A patent/JPS54139723A/en active Pending
- 1979-04-06 IT IT67740/79A patent/IT1117648B/en active
- 1979-04-06 SE SE7903101A patent/SE435869B/en not_active IP Right Cessation
-
1987
- 1987-11-16 JP JP1987173921U patent/JPS63157723U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2422107A1 (en) | 1979-11-02 |
| IT1117648B (en) | 1986-02-17 |
| DE2815171C2 (en) | 1987-03-05 |
| IT7967740A0 (en) | 1979-04-06 |
| JPS63157723U (en) | 1988-10-17 |
| DE2815171A1 (en) | 1979-10-18 |
| SE435869B (en) | 1984-10-22 |
| SE7903101L (en) | 1979-10-08 |
| JPS54139723A (en) | 1979-10-30 |