JPS63148922U - - Google Patents
Info
- Publication number
- JPS63148922U JPS63148922U JP4109787U JP4109787U JPS63148922U JP S63148922 U JPS63148922 U JP S63148922U JP 4109787 U JP4109787 U JP 4109787U JP 4109787 U JP4109787 U JP 4109787U JP S63148922 U JPS63148922 U JP S63148922U
- Authority
- JP
- Japan
- Prior art keywords
- distance
- voltage
- focusing
- focusing member
- optical axis
- 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
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 1
Landscapes
- Focusing (AREA)
Description
第１図は本考案に係る実施例を示す図、第２図
は同じく他の実施例を示す図、第３図は同じく他
の実施例を示す図、第４図は従来例を示す要部切
欠き側面図、第５図は同じく要部切欠き正面図で
ある。
１０……フオーカシング部材（プラスチツクレ
ンズ）、１１……支持部材（鏡筒）、１２……電
圧制御回路、１３……フオーカシング部材（撮像
素子）、２１，２３……支持部材（アクチユエー
タ）。
FIG. 1 is a diagram showing an embodiment according to the present invention, FIG. 2 is a diagram showing another embodiment, FIG. 3 is a diagram showing another embodiment, and FIG. 4 is a main part of a conventional example. The cutaway side view and FIG. 5 are similarly cutaway front views of the main parts. 10... Focusing member (plastic lens), 11... Supporting member (lens barrel), 12... Voltage control circuit, 13... Focusing member (imaging element), 21, 23... Supporting member (actuator).
Claims (1)
位置に追従してジヤストピント状態になるように
光軸方向に移動させられるフオーカシング部材と
、 このフオーカシング部材を支持するとともに、
電圧が印加されることにより光軸方向に伸縮する
支持部材と、 この支持部材に制御電圧を印加する電圧制御回
路とを備え、 上記フオーカシング部材とジヤストピント位置
との距離及び／又は上記フオーカシング部材の焦
点距離に応じた所定レベルの制御電圧を上記支持
部材に印加してこの支持部材を伸縮させることに
より上記フオーカシング部材を移動させてジヤス
トピント状態になるようにしたことを特徴とする
焦点位置補正装置。[Claims for Utility Model Registration] A focusing member that is moved in the optical axis direction so as to follow the just-focus position that changes depending on the distance of the subject and enter the just-in-focus state;
A support member that expands and contracts in the optical axis direction when a voltage is applied, and a voltage control circuit that applies a control voltage to the support member, the distance between the focusing member and the just-focus position and/or the focal point of the focusing member A focal position correction device characterized in that a control voltage of a predetermined level depending on the distance is applied to the supporting member to expand and contract the supporting member, thereby moving the focusing member to bring it into a just-in-focus state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4109787U JPS63148922U (en) | 1987-03-20 | 1987-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4109787U JPS63148922U (en) | 1987-03-20 | 1987-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63148922U true JPS63148922U (en) | 1988-09-30 |
Family
ID=30855781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4109787U Pending JPS63148922U (en) | 1987-03-20 | 1987-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63148922U (en) |
-
1987
- 1987-03-20 JP JP4109787U patent/JPS63148922U/ja active Pending
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