JPS61114427U - - Google Patents

Info

Publication number
JPS61114427U
JPS61114427U JP1984197487U JP19748784U JPS61114427U JP S61114427 U JPS61114427 U JP S61114427U JP 1984197487 U JP1984197487 U JP 1984197487U JP 19748784 U JP19748784 U JP 19748784U JP S61114427 U JPS61114427 U JP S61114427U
Authority
JP
Japan
Prior art keywords
irradiation port
optical panel
focal length
light distribution
camera
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
JP1984197487U
Other languages
English (en)
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
Priority to JP1984197487U priority Critical patent/JPS61114427U/ja
Priority to US06/814,629 priority patent/US4702581A/en
Publication of JPS61114427U publication Critical patent/JPS61114427U/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units
    • G03B2215/0514—Separate unit
    • G03B2215/0517—Housing
    • G03B2215/0525—Reflector

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)

Description

【図面の簡単な説明】
第１図は従来のカメラと閃光装置照射口との配
置関係を示すもので第１図ａはその模式図、第１
図ｂは上記配置関係での配光特性を示す説明図で
ある。第２図は第１図のカメラと閃光装置照射口
との配置関係の改良を示すもので第２図ａはその
模式図、第２図ｂは上記改良による配光特性の変
化を示す説明図である。第３図は本考案に係る発
光部の構成を示すもので第３図ａはその正面図、
第３図ｂは第３図ａのＡ―Ａ断面図、第３図ｃは
第３図ａのＢ―Ｂ断面図である。第４図は本考案
に係る光学パネルの構成を示すもので第４図ａは
その正面図、第４図ｂは第４図ａのＡ―Ａ断面図
である。第５図乃至第８図は第５図の光学パネル
の屈折力が弱過ぎる場合の配光特性を示す説明図
、第９図乃至第１２図は第５図の光学パネルの屈
折力が強過ぎる場合の配光特性を示す説明図、第
１３図乃至第１６図は第５図の光学パネルの屈折
力が適正である場合の配光特性を示す説明図であ
る。第１７図及び第２１図は数値実施例に対応す
る光学パネルの構成図、第１８図は数値実施例に
対応する発光部の正面図、第１９図は第１８図の
Ｂ―Ｂ断面図、第２０図は数値実施例に示された
発光部の形状を示す形状図、第２２図及び第２３
図は数値実施例の配光特性を示す図である。 １…カメラ本体、２…照射口、３，９…配光領
域、４，１０…撮影領域、５…閃光放電管、６…
反射笠、７…反射鏡、８…光学パネル。

Claims (1)

  1. 【実用新案登録請求の範囲】 照射口の長手方向が撮影領域の長手方向に対し
    て直角方向となるように配置されるカメラ用閃光
    装置において、 上記照射口前面に設けられる光学パネルの上記
    照射口長手方向周縁部に対応する焦点距離ｆ１と
    上記照射口中心部に対応する焦点距離ｆ２を撮影
    レンズの焦点距離ｆに対して ０．５＜ｆ１／ｆ＜１．５ ｆ２／ｆ＜０．５ となるように上記光学パネルを構成したことを特
    徴とするカメラ用閃光装置。
JP1984197487U 1984-12-28 1984-12-28 Pending JPS61114427U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1984197487U JPS61114427U (ja) 1984-12-28 1984-12-28
US06/814,629 US4702581A (en) 1984-12-28 1985-12-30 Flash device for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984197487U JPS61114427U (ja) 1984-12-28 1984-12-28

Publications (1)

Publication Number Publication Date
JPS61114427U true JPS61114427U (ja) 1986-07-19

Family

ID=16375286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984197487U Pending JPS61114427U (ja) 1984-12-28 1984-12-28

Country Status (2)

Country Link
US (1) US4702581A (ja)
JP (1) JPS61114427U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007052436A (ja) * 2005-08-19 2007-03-01 Avago Technologies Ecbu Ip (Singapore) Pte Ltd 矩形の放射パターンを有するフラッシュ光を生成するための、電子フラッシュ、イメージング装置、及び方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8809142D0 (en) * 1988-04-18 1988-05-18 Lo A T Improvements in photographic cameras
US5469341A (en) * 1993-09-10 1995-11-21 Public Safety Equipment, Inc. Light bar with reflector assembly
US5615394A (en) * 1994-06-23 1997-03-25 Eastman Kodak Company Anamorphic lens for a photographic flash assembly
JP2005091675A (ja) * 2003-09-17 2005-04-07 Pentax Corp 発光装置
JP2005114924A (ja) * 2003-10-06 2005-04-28 Pentax Corp 撮影用照明装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106037A (en) * 1975-12-27 1978-08-08 Canon Kabushiki Kaisha Flash device for use with a camera
JPS5839456Y2 (ja) * 1976-10-29 1983-09-06 ウエスト電気株式会社 写真用閃光装置
US4166680A (en) * 1977-01-27 1979-09-04 Olympus Optical Co., Ltd. Strobo unit for camera
US4234906A (en) * 1978-07-03 1980-11-18 General Electric Company Photoflash unit having light-refractive prisms
US4239369A (en) * 1978-11-20 1980-12-16 Gte Products Corporation Camera and reflector having offset optical and mechanical axes
US4356538A (en) * 1980-08-04 1982-10-26 Polaroid Corporation Photographic lighting apparatus
US4412276A (en) * 1981-12-07 1983-10-25 Polaroid Corporation Strobe reflector assembly
JPS5948532U (ja) * 1982-09-21 1984-03-31 コニカ株式会社 カメラ
US4557574A (en) * 1983-10-03 1985-12-10 Fuji Photo Film Co., Ltd. Camera with protective cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007052436A (ja) * 2005-08-19 2007-03-01 Avago Technologies Ecbu Ip (Singapore) Pte Ltd 矩形の放射パターンを有するフラッシュ光を生成するための、電子フラッシュ、イメージング装置、及び方法

Also Published As

Publication number Publication date
US4702581A (en) 1987-10-27

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