JPH0481127U - - Google Patents
Info
- Publication number
- JPH0481127U JPH0481127U JP12565390U JP12565390U JPH0481127U JP H0481127 U JPH0481127 U JP H0481127U JP 12565390 U JP12565390 U JP 12565390U JP 12565390 U JP12565390 U JP 12565390U JP H0481127 U JPH0481127 U JP H0481127U
- Authority
- JP
- Japan
- Prior art keywords
- sector
- sector drive
- support member
- shutter
- spring
- 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
- 230000000284 resting effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Shutters For Cameras (AREA)
Description
第１図は本考案によるカメラ用シヤツタの幕速
調整機構の第１実施例を示す要部の構成図、第２
図は本考案の第２実施例を示す要部の構成図、第
３図は本考案の第３実施例を示す要部の構成図、
第４図本考案の制御回路を示すブロツク図、第５
図は従来のカメラ用シヤツタの幕速調整機構を示
す構成図である。
５，１５，１９，２５，２９……支持部材、５
ａ，１５ａ，１９ａ，２５ａ，２９ａ……バネ掛
ボス、１０……ウオーム、１１，１２……平歯車
、１３……ステツプモータ、２０，３０……切換
ギア（切換手段）、２１……秒時ダイヤル、５１
……測光回路部、５２……シヤツタ速度設定部、
５３……フイルム巻上げ検出部、５４……制御回
路部、５５……モータ駆動部。
FIG. 1 is a configuration diagram of the main parts showing the first embodiment of the curtain speed adjustment mechanism for a camera shutter according to the present invention;
The figure is a configuration diagram of the main parts showing the second embodiment of the present invention, FIG. 3 is the configuration diagram of the main parts showing the third embodiment of the invention,
Figure 4: Block diagram showing the control circuit of the present invention; Figure 5:
The figure is a configuration diagram showing a curtain speed adjustment mechanism of a conventional camera shutter. 5, 15, 19, 25, 29...Supporting member, 5
a, 15a, 19a, 25a, 29a...Spring boss, 10...Worm, 11, 12...Spur gear, 13...Step motor, 20, 30...Switching gear (switching means), 21...Second hour dial, 51
...Photometering circuit section, 52...Shutter speed setting section,
53...Film winding detection section, 54...Control circuit section, 55...Motor drive section.
Claims (1)
を駆動するセクタ駆動レバーと、前記セクタ駆動
レバーを前記セクタの開閉作動方向に付勢するセ
クタ駆動バネと、前記セクタ駆動バネの係止端を
支持する支持部材と、シヤツタ速度の選択動作と
同期して前記支持部材の静止位置を複数箇所に切
換えることにより前記セクタ駆動バネの付勢力を
変化させる切換手段とを備えたことを特徴とする
カメラ用シヤツタの幕速調整機構。 (2) 前記セクタ駆動レバーをチヤージした後に
作動する作動手段を設け、前記作動手段により前
記切換手段が前記支持部材の静止位置を複数箇所
に切換えることを特徴とする請求項(1)記載のカ
メラ用シヤツタの幕速調整機構。[Claims for Utility Model Registration] (1) A sector drive lever that drives a sector to open and close the shutter opening, a sector drive spring that biases the sector drive lever in the direction of opening and closing the sector, and the sector drive A support member that supports a locking end of a spring; and a switching means that changes the biasing force of the sector drive spring by switching the resting position of the support member to a plurality of positions in synchronization with a shutter speed selection operation. A curtain speed adjustment mechanism for a shutter for a camera, which is characterized by the following. (2) The camera according to claim (1), further comprising an actuating means that operates after charging the sector drive lever, and the actuating means causes the switching means to switch the resting position of the support member to a plurality of positions. Curtain speed adjustment mechanism for shutters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12565390U JPH0481127U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12565390U JPH0481127U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481127U true JPH0481127U (en) | 1992-07-15 |
Family
ID=31873243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12565390U Pending JPH0481127U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481127U (en) |
-
1990
- 1990-11-28 JP JP12565390U patent/JPH0481127U/ja active Pending
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