JPS63162311U - - Google Patents
Info
- Publication number
- JPS63162311U JPS63162311U JP5443687U JP5443687U JPS63162311U JP S63162311 U JPS63162311 U JP S63162311U JP 5443687 U JP5443687 U JP 5443687U JP 5443687 U JP5443687 U JP 5443687U JP S63162311 U JPS63162311 U JP S63162311U
- Authority
- JP
- Japan
- Prior art keywords
- boundary
- focus ring
- fixed
- photo sensor
- reflector plate
- 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
- 238000001514 detection method Methods 0.000 claims 1
Description
第１図は本考案の一実施例を示す断面図、第２
図はその要部の展開図、第３図はホトセンサーの
回路例、第４図は動作説明用のタイミングチヤー
トである。
１……フオーカスリング、７……外筒（固定側
）、１１……ホトセンサー、１２……リング反射
板（反射板）、１２ａ……吸収部、１２ｂ……反
射部。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a developed view of the main parts, FIG. 3 is an example of the circuit of the photosensor, and FIG. 4 is a timing chart for explaining the operation. DESCRIPTION OF SYMBOLS 1... Focus ring, 7... Outer cylinder (fixed side), 11... Photo sensor, 12... Ring reflector (reflector plate), 12a... Absorbing section, 12b... Reflecting section.
Claims (1)
グの回動範囲を反射部と吸収部の境界で示す反射
板と、 固定側に配設され、前記境界を検出するホトセ
ンサーを備えたことを特徴とするオートフオーカ
スの終端検出機構。[Claims for Utility Model Registration] A reflector plate that is fixed to the focus ring and indicates the range of rotation of the focus ring at the boundary between the reflective part and the absorbing part, and a photo sensor that is disposed on the fixed side and detects the boundary. An autofocus end detection mechanism characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5443687U JPS63162311U (en) | 1987-04-10 | 1987-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5443687U JPS63162311U (en) | 1987-04-10 | 1987-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63162311U true JPS63162311U (en) | 1988-10-24 |
Family
ID=30881428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5443687U Pending JPS63162311U (en) | 1987-04-10 | 1987-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63162311U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827109A (en) * | 1981-08-10 | 1983-02-17 | Olympus Optical Co Ltd | Distance controller for camera |
| JPS61282812A (en) * | 1985-06-10 | 1986-12-13 | Matsushita Electric Ind Co Ltd | Lens position detecting device |
| JPS62187812A (en) * | 1986-02-14 | 1987-08-17 | Matsushita Electric Ind Co Ltd | Lens position detector |
-
1987
- 1987-04-10 JP JP5443687U patent/JPS63162311U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827109A (en) * | 1981-08-10 | 1983-02-17 | Olympus Optical Co Ltd | Distance controller for camera |
| JPS61282812A (en) * | 1985-06-10 | 1986-12-13 | Matsushita Electric Ind Co Ltd | Lens position detecting device |
| JPS62187812A (en) * | 1986-02-14 | 1987-08-17 | Matsushita Electric Ind Co Ltd | Lens position detector |
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