JPS63157723U - - Google Patents
Info
- Publication number
- JPS63157723U JPS63157723U JP1987173921U JP17392187U JPS63157723U JP S63157723 U JPS63157723 U JP S63157723U JP 1987173921 U JP1987173921 U JP 1987173921U JP 17392187 U JP17392187 U JP 17392187U JP S63157723 U JPS63157723 U JP S63157723U
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- lamp
- formula
- optical axis
- utility
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782815171 DE2815171A1 (de) | 1978-04-07 | 1978-04-07 | Film- und fotoaufnahmeleuchte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63157723U true JPS63157723U ( ) | 1988-10-17 |
Family
ID=6036440
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4114779A Pending JPS54139723A (en) | 1978-04-07 | 1979-04-06 | Cine and photograph taking lamp |
| JP1987173921U Pending JPS63157723U ( ) | 1978-04-07 | 1987-11-16 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4114779A Pending JPS54139723A (en) | 1978-04-07 | 1979-04-06 | Cine and photograph taking lamp |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JPS54139723A ( ) |
| DE (1) | DE2815171A1 ( ) |
| FR (1) | FR2422107A1 ( ) |
| IT (1) | IT1117648B ( ) |
| SE (1) | SE435869B ( ) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3000594A1 (de) * | 1980-01-09 | 1981-07-16 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Film- und fotoaufnahmeleuchte |
| DE3027774A1 (de) * | 1980-07-22 | 1982-02-18 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Reflektor zur ausleuchtung einer flaeche |
| 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 (de) * | 1967-09-16 | 1968-04-25 | Boehme Co Dr Ing | Kinoleuchte. |
| US3798668A (en) * | 1972-10-05 | 1974-03-19 | Bell & Howell Co | Camera light |
-
1978
- 1978-04-07 DE DE19782815171 patent/DE2815171A1/de active Granted
-
1979
- 1979-04-04 FR FR7908495A patent/FR2422107A1/fr active Granted
- 1979-04-06 IT IT67740/79A patent/IT1117648B/it active
- 1979-04-06 SE SE7903101A patent/SE435869B/sv not_active IP Right Cessation
- 1979-04-06 JP JP4114779A patent/JPS54139723A/ja active Pending
-
1987
- 1987-11-16 JP JP1987173921U patent/JPS63157723U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE435869B (sv) | 1984-10-22 |
| IT1117648B (it) | 1986-02-17 |
| FR2422107B3 ( ) | 1982-02-05 |
| FR2422107A1 (fr) | 1979-11-02 |
| DE2815171C2 ( ) | 1987-03-05 |
| IT7967740A0 (it) | 1979-04-06 |
| JPS54139723A (en) | 1979-10-30 |
| SE7903101L (sv) | 1979-10-08 |
| DE2815171A1 (de) | 1979-10-18 |
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