JPS6179311U - - Google Patents
Info
- Publication number
- JPS6179311U JPS6179311U JP16278984U JP16278984U JPS6179311U JP S6179311 U JPS6179311 U JP S6179311U JP 16278984 U JP16278984 U JP 16278984U JP 16278984 U JP16278984 U JP 16278984U JP S6179311 U JPS6179311 U JP S6179311U
- Authority
- JP
- Japan
- Prior art keywords
- focusing
- lens group
- automatic
- focusing lens
- mode
- 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
Landscapes
- Focusing (AREA)
Description
第１図は本考案の一実施例の構成を示す斜視図
。第２図、第３図は従来例の構成を示す断面図。
１……フオーカシングレンズ群、２……鏡胴、
３……鏡胴歯車、４……駆動歯車、５……減速装
置、６……モータ、７……測距装置、８……レン
ズ位置検出装置、９……比較演算回路、１０……
モータ制御回路、１１……モータ制御スイツチ、
１２…モード切換スイツチ、１３……モータ駆動
回路、１４……固定枠、１５……抜け止めリング
、１６……バネ、１７……鏡胴歯車。
FIG. 1 is a perspective view showing the configuration of an embodiment of the present invention. FIGS. 2 and 3 are cross-sectional views showing the configuration of a conventional example. 1... Focusing lens group, 2... Lens barrel,
3... Lens barrel gear, 4... Driving gear, 5... Speed reduction device, 6... Motor, 7... Distance measuring device, 8... Lens position detection device, 9... Comparison calculation circuit, 10...
Motor control circuit, 11...Motor control switch,
12...Mode change switch, 13...Motor drive circuit, 14...Fixing frame, 15...Keeping ring, 16...Spring, 17... Lens barrel gear.
Claims (1)
行うフオーカシングレンズ群を有するレンズ系と
、該フオーカシングレンズ群を自動的に焦点位置
まで移動して焦点合わせを行う自動焦点調節機構
において、前記フオーカシングレンズ群を駆動す
る駆動源を、手動操作によつて制御することので
きる制御手段と、自動モードと手動モードの切換
手段を設けたことを特徴とする自動焦点調節機構
。 In a lens system having a focusing lens group that performs focusing by moving in the optical axis direction, and an automatic focusing mechanism that automatically moves the focusing lens group to a focal position to perform focusing, the above-mentioned An automatic focus adjustment mechanism characterized by being provided with a control means that can manually control a drive source that drives a focusing lens group, and a means for switching between an automatic mode and a manual mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16278984U JPS6179311U (en) | 1984-10-26 | 1984-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16278984U JPS6179311U (en) | 1984-10-26 | 1984-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6179311U true JPS6179311U (en) | 1986-05-27 |
Family
ID=30720660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16278984U Pending JPS6179311U (en) | 1984-10-26 | 1984-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6179311U (en) |
-
1984
- 1984-10-26 JP JP16278984U patent/JPS6179311U/ja active Pending