JPH02148408U - - Google Patents
Info
- Publication number
- JPH02148408U JPH02148408U JP5751589U JP5751589U JPH02148408U JP H02148408 U JPH02148408 U JP H02148408U JP 5751589 U JP5751589 U JP 5751589U JP 5751589 U JP5751589 U JP 5751589U JP H02148408 U JPH02148408 U JP H02148408U
- Authority
- JP
- Japan
- Prior art keywords
- light
- fixed plate
- receiving
- emitting element
- light emitting
- 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
- 238000005259 measurement Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000010365 information processing Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Focusing (AREA)
- Measurement Of Optical Distance (AREA)
Description
第１図は、この考案に係る距離検出装置の投受
光系の原理を示す原理図、第２図は、第１図に示
す実施例の投光部の構成をより詳しく示す原理図
、第３図は、第１図の実施例に適用される情報処
理回路の全体構成を示すブロツク図、第４図は、
第３図に示した情報処理回路の受光位置検出回路
の構成を示すブロツク図、第５図は、第３図に示
した情報処理回路の測距制御回路の構成を示すブ
ロツク図、第６図は、第３図に示した情報処理回
路の測距信号評価回路の構成を示すブロツク図、
第７図は、第５図に示した測距制御回路の動作を
説明するためのタイミングチヤート、第８図は、
第１図に示した実施例の動作を説明するためのタ
イミングチヤート、第９図は、第６図に示した測
距信号評価回路の動作を説明するためのタイミン
グチヤート、第１０図は、従来の広視野測距カメ
ラの投受光系の原理を示す原理図、第１１図は、
第１０図に示した投受光系の動作を説明するため
のタイミングチヤートである。
１１……投光部、１２……投光素子、１３……
反射板、１４……可動板、１５……固定板、１４
１，１５１〜１５３……光透過孔、１６……測距
対象、１７……投光レンズ、１８……受光レンズ
、１９……受光素子、２０……受光位置検出回路
、２４……測距信号変換回路、２７……測距信号
評価回路、２８……測距制御回路、３５……投光
素子駆動回路。
FIG. 1 is a principle diagram showing the principle of the light emitting/receiving system of the distance detecting device according to this invention, FIG. 2 is a principle diagram showing in more detail the configuration of the light projecting section of the embodiment shown in FIG. The figure is a block diagram showing the overall configuration of the information processing circuit applied to the embodiment of FIG. 1, and FIG.
FIG. 3 is a block diagram showing the configuration of the light receiving position detection circuit of the information processing circuit, FIG. 5 is a block diagram showing the configuration of the ranging control circuit of the information processing circuit shown in FIG. 3, and FIG. is a block diagram showing the configuration of the ranging signal evaluation circuit of the information processing circuit shown in FIG.
7 is a timing chart for explaining the operation of the ranging control circuit shown in FIG. 5, and FIG. 8 is a timing chart for explaining the operation of the ranging control circuit shown in FIG.
FIG. 1 is a timing chart for explaining the operation of the embodiment shown in FIG. 1, FIG. 9 is a timing chart for explaining the operation of the ranging signal evaluation circuit shown in FIG. Figure 11 is a principle diagram showing the principle of the light emitting/receiving system of the wide field distance measuring camera.
10 is a timing chart for explaining the operation of the light emitting/receiving system shown in FIG. 10. 11... Light projecting section, 12... Light projecting element, 13...
Reflector plate, 14...Movable plate, 15...Fixed plate, 14
1,151-153...Light transmission hole, 16...Distance measurement target, 17...Light emitting lens, 18...Light receiving lens, 19...Light receiving element, 20...Light receiving position detection circuit, 24...Distance measurement Signal conversion circuit, 27... Distance measurement signal evaluation circuit, 28... Distance measurement control circuit, 35... Light projecting element drive circuit.
Claims (1)
長だけ離隔して配置した受光素子とを備え、上記
投光素子の光による被写体からの反射光の上記受
光素子への入射位置を検出することで測距情報を
得る距離検出装置において、上記投光素子の前方
に配置され複数個の光透過孔を有する固定板と、
この固定板に沿つてスライドさせて上記固定板の
上記光透過孔に１個の光透過孔を順次位置を合致
させることにより上記投光素子からの光を時系列
的に透過させる可動板と、上記固定板と上記可動
板の合致した上記光透過孔を透過した光を集光し
て測距対象に照射する投光レンズと、上記測距対
象からの反射光を集光して上記受光素子に受光さ
せる受光レンズとを具備したことを特徴とする距
離検出装置。 Comprising a single light emitting element and a light receiving element arranged at a distance from the light emitting element by a certain base line length, detecting the incident position of light reflected from a subject by the light of the light emitting element onto the light receiving element. A distance detection device that obtains distance measurement information by: a fixed plate disposed in front of the light projecting element and having a plurality of light transmission holes;
a movable plate that transmits light from the light projecting element in a time-series manner by sliding along the fixed plate and sequentially aligning one light transmitting hole with the light transmitting hole of the fixed plate; a light projecting lens that collects the light that has passed through the matching light transmission holes of the fixed plate and the movable plate and irradiates it onto the object to be measured; and a light receiving element that collects the light reflected from the object to be measured. 1. A distance detection device comprising: a light-receiving lens for receiving light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5751589U JPH0747687Y2 (en) | 1989-05-20 | 1989-05-20 | Distance detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5751589U JPH0747687Y2 (en) | 1989-05-20 | 1989-05-20 | Distance detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02148408U true JPH02148408U (en) | 1990-12-17 |
| JPH0747687Y2 JPH0747687Y2 (en) | 1995-11-01 |
Family
ID=31582292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5751589U Expired - Lifetime JPH0747687Y2 (en) | 1989-05-20 | 1989-05-20 | Distance detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747687Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013115134A1 (en) * | 2012-02-02 | 2013-08-08 | 株式会社東芝 | Distance measurement device, distance measurement method, and control program |
-
1989
- 1989-05-20 JP JP5751589U patent/JPH0747687Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013115134A1 (en) * | 2012-02-02 | 2013-08-08 | 株式会社東芝 | Distance measurement device, distance measurement method, and control program |
| JP2013160570A (en) * | 2012-02-02 | 2013-08-19 | Toshiba Corp | Distance measuring device, method for measuring distance, and control program |
| US9851198B2 (en) | 2012-02-02 | 2017-12-26 | Kabushiki Kaisha Toshiba | Distance measuring apparatus, distance measuring method, and control program |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0747687Y2 (en) | 1995-11-01 |
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