JPS6148307U - - Google Patents
Info
- Publication number
- JPS6148307U JPS6148307U JP13384084U JP13384084U JPS6148307U JP S6148307 U JPS6148307 U JP S6148307U JP 13384084 U JP13384084 U JP 13384084U JP 13384084 U JP13384084 U JP 13384084U JP S6148307 U JPS6148307 U JP S6148307U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light receiving
- subject
- projecting means
- receiving elements
- 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.)
- Granted
Links
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Optical Distance (AREA)
- Focusing (AREA)
Description
第１図は本考案の実施例を使用したカメラの前
面を示す概略図、第２図は第１図の一部を拡大し
て示す斜視図、第３図は第２図に示す受光素子か
らの出力により被写体までの距離を判別する距離
判別回路を示す回路図、第４図、第５図および第
６図は第１図の実施例の原理を説明するための図
、第７図および第８図は分割された受光素子の一
例を説明するための図である。
１……撮影レンズ、２……フアインダ、３……
投光レンズ、４……受光部、５ａ，５ｂ……対物
レンズ、６ａ，６ｂ……受光素子、７……濃度勾
配フイルタ、８……投光素子。
Fig. 1 is a schematic diagram showing the front side of a camera using an embodiment of the present invention, Fig. 2 is an enlarged perspective view of a part of Fig. 1, and Fig. 3 is a view from the light receiving element shown in Fig. 2. 4, 5 and 6 are diagrams for explaining the principle of the embodiment of FIG. 1, and FIGS. FIG. 8 is a diagram for explaining an example of a divided light receiving element. 1...Photographing lens, 2...Finder, 3...
Light projecting lens, 4... Light receiving section, 5a, 5b... Objective lens, 6a, 6b... Light receiving element, 7... Concentration gradient filter, 8... Light projecting element.
Claims (1)
特定波長域の光を投光する投光手段、 撮影光軸を挾んで前記投光手段と反対側に配設
され、前記特定波長域の光に感度域を有し、被写
体に反射された前記投光手段からの光を受光する
２つの受光素子と、この２つの受光素子のうち一
方の受光素子に配された、該受光素子と前記投光
手段を結ぶ直線方向に濃度勾配を有する濃度勾配
フイルタとからなる受光手段、および 前記２つの受光素子からの出力を比較して被写
体までの距離を判別する回路を備えてなることを
特徴とする距離測定装置。[Scope of Claim for Utility Model Registration] Light projecting means provided on the side surface of the camera's viewfinder and projecting light in a specific wavelength range onto a subject; two light receiving elements having a sensitivity range for light in a specific wavelength range and receiving light from the light projecting means reflected by the subject; and a light receiving element arranged on one of the two light receiving elements. A light receiving means comprising a density gradient filter having a density gradient in a straight line connecting the light receiving element and the light projecting means, and a circuit for comparing outputs from the two light receiving elements to determine the distance to the subject. A distance measuring device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13384084U JPH037773Y2 (en) | 1984-09-03 | 1984-09-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13384084U JPH037773Y2 (en) | 1984-09-03 | 1984-09-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6148307U true JPS6148307U (en) | 1986-04-01 |
| JPH037773Y2 JPH037773Y2 (en) | 1991-02-26 |
Family
ID=30692375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13384084U Expired JPH037773Y2 (en) | 1984-09-03 | 1984-09-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH037773Y2 (en) |
-
1984
- 1984-09-03 JP JP13384084U patent/JPH037773Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH037773Y2 (en) | 1991-02-26 |
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