JPH03108229U - - Google Patents

Info

Publication number
JPH03108229U
JPH03108229U JP1696690U JP1696690U JPH03108229U JP H03108229 U JPH03108229 U JP H03108229U JP 1696690 U JP1696690 U JP 1696690U JP 1696690 U JP1696690 U JP 1696690U JP H03108229 U JPH03108229 U JP H03108229U
Authority
JP
Japan
Prior art keywords
shutter
rotation
energization
camera
drive source
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
JP1696690U
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
Priority to JP1696690U priority Critical patent/JPH03108229U/ja
Publication of JPH03108229U publication Critical patent/JPH03108229U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Shutter-Related Mechanisms (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Shutters For Cameras (AREA)

Description

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

第１図は本考案によるカメラ用シヤツターの第
一実施例を示す分解斜視図、第２図は第一実施例
の要部断面図、第３図はヨーク端部と永久磁石と
の関係を示す図であつて、Ａは初期位置、Ｂは全
開位置、Ｃは全閉位置を夫々示す図、第４図はパ
ルス波形と開口波形を示す図、第５図は本考案の
第二実施例を示す要部斜視図、第６図は本考案の
第三実施例を示す要部斜視図、第７図は従来のシ
ヤツターの要部断面図、第８図はシヤツター羽根
の斜視図である。 １５，１６……シヤツター羽根、１７，１８…
…支軸、１９……永久磁石、２６……電磁石、２
７……ヨーク、３３……アイリスモータ、３４…
…ステツピングモータ（ＤＣモータ）。 Fig. 1 is an exploded perspective view showing a first embodiment of the camera shutter according to the present invention, Fig. 2 is a sectional view of the main parts of the first embodiment, and Fig. 3 shows the relationship between the yoke end and the permanent magnet. 4 shows the pulse waveform and opening waveform, and FIG. 5 shows the second embodiment of the present invention. 6 is a perspective view of a main part showing a third embodiment of the present invention, FIG. 7 is a sectional view of a main part of a conventional shutter, and FIG. 8 is a perspective view of a shutter blade. 15, 16... Shutter blade, 17, 18...
...Spindle, 19...Permanent magnet, 26...Electromagnet, 2
7... Yoke, 33... Iris motor, 34...
...Stepping motor (DC motor).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シヤツター制御回路からの通電又は通電の遮断
によつて第一回転位置と第二回転位置の間を回転
し得る駆動源と、該駆動源の駆動に連動して開閉
作動すると共に該駆動源の第一回転位置で全閉位
置に又第二回転位置で全開位置に作動せしめられ
る少なくとも二枚のシヤツター羽根とを備えたカ
メラ用シヤツターにおいて、前記何れかのシヤツ
ター羽根にその回動中心軸と同軸に前記駆動源が
固着されていて、一体に作動するようにしたこと
を特徴とする、カメラ用シヤツター。 A drive source that can rotate between a first rotational position and a second rotational position by energization or de-energization from the shutter control circuit; In a camera shutter equipped with at least two shutter blades that are operated to a fully closed position at one rotation position and to a fully open position at a second rotation position, any one of the shutter blades is provided with a shutter blade that is coaxial with the central axis of rotation thereof. A shutter for a camera, characterized in that the drive source is fixed and operates integrally.
JP1696690U 1990-02-22 1990-02-22 Pending JPH03108229U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1696690U JPH03108229U (en) 1990-02-22 1990-02-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1696690U JPH03108229U (en) 1990-02-22 1990-02-22

Publications (1)

Publication Number Publication Date
JPH03108229U true JPH03108229U (en) 1991-11-07

Family

ID=31520202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1696690U Pending JPH03108229U (en) 1990-02-22 1990-02-22

Country Status (1)

Country Link
JP (1) JPH03108229U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002369482A (en) * 2001-06-08 2002-12-20 Nidec Copal Corp Electromagnetic actuator
JP2006033914A (en) * 2004-07-12 2006-02-02 Nidec Copal Corp Vane drive unit for camera

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188756A (en) * 1984-10-04 1986-05-07 Canon Inc Electromagnetic driving gear

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188756A (en) * 1984-10-04 1986-05-07 Canon Inc Electromagnetic driving gear

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002369482A (en) * 2001-06-08 2002-12-20 Nidec Copal Corp Electromagnetic actuator
JP2006033914A (en) * 2004-07-12 2006-02-02 Nidec Copal Corp Vane drive unit for camera
JP4575055B2 (en) * 2004-07-12 2010-11-04 日本電産コパル株式会社 Camera blade drive

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