JPH0427433U - - Google Patents
Info
- Publication number
- JPH0427433U JPH0427433U JP6712690U JP6712690U JPH0427433U JP H0427433 U JPH0427433 U JP H0427433U JP 6712690 U JP6712690 U JP 6712690U JP 6712690 U JP6712690 U JP 6712690U JP H0427433 U JPH0427433 U JP H0427433U
- Authority
- JP
- Japan
- Prior art keywords
- sector
- photo interrupter
- opening
- motor
- photointerrupter
- 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
- 238000012790 confirmation Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Exposure Control For Cameras (AREA)
- Shutters For Cameras (AREA)
Description
第１図は本考案によるカメラ用シヤツタのブロ
ツク図、第２図は第１図に係わるセクターおよび
ロータの構成図、第３図は第１図に係わる回路図
、第４図はシヤツタ開閉のシーケンスを示す動作
図である。
１……ロータ（モータ）、５……ステータ（モ
ータ）、６……モータコイル（モータ）、１６，
１７……セクター、１９……フオトカプラ（フオ
トインタラプタ信号出力手段）、２０……起動回
路（電源スイツチング手段）、３０……ＣＰＵ（
セクター開放、閉鎖確認手段）。
Fig. 1 is a block diagram of a camera shutter according to the present invention, Fig. 2 is a configuration diagram of sectors and rotors related to Fig. 1, Fig. 3 is a circuit diagram related to Fig. 1, and Fig. 4 is a shutter opening/closing sequence. FIG. 1... Rotor (motor), 5... Stator (motor), 6... Motor coil (motor), 16,
17... Sector, 19... Photo coupler (photo interrupter signal output means), 20... Starting circuit (power switching means), 30... CPU (
Sector opening/closure confirmation means).
Claims (1)
開閉するセクターと、前記セクターに設けられた
検出部を介して発光素子から受光素子へ投光され
る光束で動作しセクターの始動直後の速度として
フオトインタラプタ信号を出力するフオトインタ
ラプタ信号出力手段と、前記フオトインタラプタ
信号出力手段の前記発光素子並びに受光素子への
電源を前記セクターに設けられた前記検出部の位
置に対応してスイツチングする電源スイツチング
手段と、前記フオトインタラプタ信号により前記
セクターの開放、閉鎖を確認するセクター開放、
閉鎖確認手段とを備えたことを特徴とするカメラ
用シヤツタ。 A motor, a sector that opens and closes the shutter opening by the rotation of the motor, and a photointerrupter that operates with a luminous flux projected from a light emitting element to a light receiving element via a detection unit provided in the sector, and a photointerrupter as the speed immediately after the sector starts. photo interrupter signal output means for outputting a signal; power switching means for switching power to the light emitting element and light receiving element of the photo interrupter signal output means in accordance with the position of the detection section provided in the sector; sector opening for confirming opening and closing of the sector by the photo interrupter signal;
A camera shutter characterized by comprising a closure confirmation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6712690U JPH0427433U (en) | 1990-06-25 | 1990-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6712690U JPH0427433U (en) | 1990-06-25 | 1990-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0427433U true JPH0427433U (en) | 1992-03-04 |
Family
ID=31600424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6712690U Pending JPH0427433U (en) | 1990-06-25 | 1990-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427433U (en) |
-
1990
- 1990-06-25 JP JP6712690U patent/JPH0427433U/ja active Pending
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