JPH0325182U - - Google Patents
Info
- Publication number
- JPH0325182U JPH0325182U JP8514489U JP8514489U JPH0325182U JP H0325182 U JPH0325182 U JP H0325182U JP 8514489 U JP8514489 U JP 8514489U JP 8514489 U JP8514489 U JP 8514489U JP H0325182 U JPH0325182 U JP H0325182U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photoelectric conversion
- converts
- distance detection
- conversion section
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案を適用した距離検出装置の一実
施例を示す構成図である。
１…信号発生器、２…光源、３…投光光学系、
４…光ビーム、５…ミラー、６…対象、７…反射
光、８…集光レンズ、９…光伝送路、１０…ハー
フミラー、１１…光伝送路、１２…光電変換部、
１３…光電変換部、１４…受信信号、１５…変調
信号、１６…距離検出回路。
FIG. 1 is a block diagram showing an embodiment of a distance detection device to which the present invention is applied. 1...Signal generator, 2...Light source, 3...Light projection optical system,
4... Light beam, 5... Mirror, 6... Target, 7... Reflected light, 8... Condensing lens, 9... Optical transmission line, 10... Half mirror, 11... Optical transmission line, 12... Photoelectric conversion unit,
13...Photoelectric conversion unit, 14...Received signal, 15...Modulation signal, 16...Distance detection circuit.
Claims (1)
と、この電気信号により強度変調された光を発生
する光源２と、光源２からの光を指向性のよい光
ビームに変換して対象６に投射する投光光学系３
と、前記光ビームの対象６からの反射光を集光す
る集光レンズ８と、集光した反射光を電気信号に
変換する光電変換部１２と、前記光ビームの一部
を参照光として取出し電気信号に変換する光電変
換部１３と、両光電変換部１２，１３が出力する
電気信号間の時間差から対象までの距離を検出す
る距離検出回路１６から成る距離検出装置におい
て、前記光源２と投光光学系３との間、又は／及
び前記集光レンズ８が形成する光点と光電変換部
１２との間及び前記光電変換部１３に至る参照光
の径路の一部に光フアイバの伝送路を用いたこと
を特徴とする距離検出装置。 Signal generator 1 that generates an electrical signal of a predetermined frequency
, a light source 2 that generates light whose intensity is modulated by this electric signal, and a projection optical system 3 that converts the light from the light source 2 into a highly directional light beam and projects it onto a target 6.
, a condenser lens 8 that condenses the reflected light from the target 6 of the light beam, a photoelectric conversion unit 12 that converts the condensed reflected light into an electrical signal, and a part of the light beam that is extracted as a reference light. In a distance detection device comprising a photoelectric conversion section 13 that converts into an electric signal, and a distance detection circuit 16 that detects the distance to an object from the time difference between the electric signals outputted by both the photoelectric conversion sections 12 and 13, the light source 2 and the projection are connected to each other. An optical fiber transmission line is provided between the light optical system 3 and/or between the light spot formed by the condensing lens 8 and the photoelectric conversion section 12 and a part of the path of the reference light that reaches the photoelectric conversion section 13. A distance detection device characterized by using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8514489U JPH0325182U (en) | 1989-07-20 | 1989-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8514489U JPH0325182U (en) | 1989-07-20 | 1989-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325182U true JPH0325182U (en) | 1991-03-14 |
Family
ID=31634104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8514489U Pending JPH0325182U (en) | 1989-07-20 | 1989-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007298372A (en) * | 2006-04-28 | 2007-11-15 | Sokkia Co Ltd | Light-wave distance meter |
| JP2008008062A (en) * | 2006-06-30 | 2008-01-17 | Cleanup Corp | Sink stand mounting structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6097288A (en) * | 1983-11-01 | 1985-05-31 | Toshiba Corp | Distance measuring apparatus |
| JPS60138484A (en) * | 1983-12-26 | 1985-07-23 | Toshiba Corp | Distance measuring device |
| JPS61145476A (en) * | 1984-12-19 | 1986-07-03 | Toshiba Corp | Optical range finder |
-
1989
- 1989-07-20 JP JP8514489U patent/JPH0325182U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6097288A (en) * | 1983-11-01 | 1985-05-31 | Toshiba Corp | Distance measuring apparatus |
| JPS60138484A (en) * | 1983-12-26 | 1985-07-23 | Toshiba Corp | Distance measuring device |
| JPS61145476A (en) * | 1984-12-19 | 1986-07-03 | Toshiba Corp | Optical range finder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007298372A (en) * | 2006-04-28 | 2007-11-15 | Sokkia Co Ltd | Light-wave distance meter |
| JP2008008062A (en) * | 2006-06-30 | 2008-01-17 | Cleanup Corp | Sink stand mounting structure |
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