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
Application number
JP1987173921U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS63157723U publication Critical patent/JPS63157723U/ja
Pending legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本考案による撮影灯の１実施例を略
示する断面図、および第２図は、リフレクタの曲
面の曲線を示す図表である。 １……リフレクタ、１′……移動したリフレク
タの位置、２……Ｕ字形発光体、３……保護板。 FIG. 1 is a sectional view schematically showing one embodiment of a photographic lamp according to the present invention, and FIG. 2 is a diagram showing the curve of the curved surface of a reflector. 1... Reflector, 1'... Moved position of reflector, 2... U-shaped light emitter, 3... Protective plate.

Claims (1)

【実用新案登録請求の範囲】 １ 光軸に沿い変更可能な、ランプおよびリフレ
クタの関係位置を有する、大体において楕円面の
リフレクタおよび電球より成る撮影灯において、
リフレクタが、曲線： Ｅ≡Ｘ２―１０６．６９ｘ＋１．９７ｙ２―３
．８８ｙｋ＋１．９４ｋ２＝０ 〔式中、１ｋ１〕による曲面を有し、かつ
ランプおよびリフレクタが相互に最大１５mm光軸
に沿い移動可能であることを特徴とするシネ−及
び写真撮影灯。 ２ 電球の発光体がＵ字型であることを特徴とす
る、実用新案登録請求の範囲第１項記載のシネ−
および写真撮影灯。[Claims for Utility Model Registration] 1. A photographic lamp consisting of a generally ellipsoidal reflector and a light bulb, with the relative position of the lamp and reflector variable along the optical axis,
The reflector has a curve: E≡X 2 -106.69x+1.97y 2 -3
．． 88yk+ 1.94k2 =0 [In the formula, 1k1] A cine and photographic lamp having a curved surface according to the formula 88yk+1.94k2=0, and characterized in that the lamp and reflector are movable relative to each other along the optical axis by a maximum of 15 mm. 2. The cinema according to claim 1 of the utility model registration claim, characterized in that the light emitting body of the light bulb is U-shaped.
and photography lights.
JP1987173921U 1978-04-07 1987-11-16 Pending JPS63157723U (en)

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 (1)

Publication Number Publication Date
JPS63157723U true JPS63157723U (en) 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 (en) 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 (en)
DE (1) DE2815171A1 (en)
FR (1) FR2422107A1 (en)
IT (1) IT1117648B (en)
SE (1) SE435869B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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
FR2422107B3 (en) 1982-02-05
DE2815171A1 (en) 1979-10-18
SE435869B (en) 1984-10-22
SE7903101L (en) 1979-10-08
JPS54139723A (en) 1979-10-30

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