JPS62164308U - - Google Patents
Info
- Publication number
- JPS62164308U JPS62164308U JP5258386U JP5258386U JPS62164308U JP S62164308 U JPS62164308 U JP S62164308U JP 5258386 U JP5258386 U JP 5258386U JP 5258386 U JP5258386 U JP 5258386U JP S62164308 U JPS62164308 U JP S62164308U
- Authority
- JP
- Japan
- Prior art keywords
- light
- lens
- projecting
- light receiving
- receiving
- 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
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Focusing (AREA)
Description
図面第１図〜第４図は本考案に係る自動焦点調
節装置の実施例を示すものであり、第１図は正面
図、第２図は第１図のＡ方向から見た断面図、第
３図ａは投光レンズと受光レンズを一体にしたレ
ンズの正面図、ｂは平面図、第４図は本考案の原
理図であり、第５図、第６図は従来の外部測距方
式の差動型自動焦点調節装置の構成図、第７図は
測距視野ずれが生ずるときの投光レンズ、受光レ
ンズの配置図、第８図は従来例での画面内の測距
視野位置の説明図、第９図は従来のパララツクス
のない外部測距方式の差動型自動焦点調節装置の
構成図、第１０図は従来のセミＴＴＬ差動型自動
焦点調節装置の構成図、第１１図は従来のＴＴＬ
差動型自動焦点調節装置の構成図である。
符号１は投光素子、２は投光レンズ、３は受光
レンズ、４は受光素子、７はＡＦモータ、８は撮
影レンズ群、１１は距離環、１３は固定鏡筒、１
４はフレーム、１５は連結板、１６は回転軸、１
８はカムフオロワ部である。
1 to 4 show an embodiment of the automatic focusing device according to the present invention, in which FIG. 1 is a front view, FIG. 2 is a sectional view taken from direction A in FIG. 1, and FIG. Figure 3a is a front view of a lens that integrates a light emitting lens and a light receiving lens, b is a plan view, Figure 4 is a diagram of the principle of the present invention, and Figures 5 and 6 are the conventional external distance measuring method. Fig. 7 is a diagram showing the arrangement of the light emitting lens and light receiving lens when the distance measurement field of view shifts, and Fig. 8 shows the position of the distance measurement field of view within the screen in a conventional example. Explanatory drawings, FIG. 9 is a configuration diagram of a conventional parallax-free external distance measurement type differential automatic focusing device, FIG. 10 is a configuration diagram of a conventional semi-TTL differential automatic focusing device, and FIG. 11 is the conventional TTL
FIG. 2 is a configuration diagram of a differential automatic focus adjustment device. 1 is a light projecting element, 2 is a light projecting lens, 3 is a light receiving lens, 4 is a light receiving element, 7 is an AF motor, 8 is a photographing lens group, 11 is a distance ring, 13 is a fixed lens barrel, 1
4 is a frame, 15 is a connecting plate, 16 is a rotating shaft, 1
8 is a cam follower section.
Claims (1)
に光線を投射するための投光素子・投光レンズと
、被写体からの反射光を受光するための受光素子
・受光レンズとを有し、前記撮影レンズ群の移動
に連動して、前記投光レンズと受光レンズとを１
個の合成樹脂部材により成形し、同一の回転軸を
中心に回動するように構成したことを特徴とする
自動焦点調節装置。 ２ 前記回転軸と投光レンズを結ぶ直線と、前記
回転軸と受光レンズを結ぶ直線とは略直角となる
ようにした実用新案登録請求の範囲第１項に記載
の自動焦点調節装置。[Scope of Claim for Utility Model Registration] 1. A photographing lens group involved in focus adjustment, a light projecting element/light projecting lens for projecting light rays onto the subject, and a light receiving element/light receiving element for receiving reflected light from the subject. The light emitting lens and the light receiving lens are moved in conjunction with the movement of the photographing lens group.
1. An automatic focus adjustment device characterized in that it is molded from two synthetic resin members and configured to rotate around the same rotation axis. 2. The automatic focusing device according to claim 1, wherein a straight line connecting the rotating shaft and the light-emitting lens and a straight line connecting the rotating shaft and the light-receiving lens are substantially at right angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5258386U JPS62164308U (en) | 1986-04-08 | 1986-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5258386U JPS62164308U (en) | 1986-04-08 | 1986-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62164308U true JPS62164308U (en) | 1987-10-19 |
Family
ID=30877880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5258386U Pending JPS62164308U (en) | 1986-04-08 | 1986-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62164308U (en) |
-
1986
- 1986-04-08 JP JP5258386U patent/JPS62164308U/ja active Pending
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