JPH0328484U - - Google Patents
Info
- Publication number
- JPH0328484U JPH0328484U JP8991489U JP8991489U JPH0328484U JP H0328484 U JPH0328484 U JP H0328484U JP 8991489 U JP8991489 U JP 8991489U JP 8991489 U JP8991489 U JP 8991489U JP H0328484 U JPH0328484 U JP H0328484U
- Authority
- JP
- Japan
- Prior art keywords
- cube prism
- laser beam
- reflecting mirror
- corner cube
- plane reflecting
- 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
- 230000003287 optical effect Effects 0.000 claims 4
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は、この考案の一実施例を示す図、第２
図は従来の光波測距装置を示す図、第３図は第２
図中の位相比較器１１の構成例を示す図である。
図において、１……基準発振器、２……駆動回
路、３，３ａ，３ｂ……レーザダイオード、４…
…送信レンズ、５，５ａ，５ｂ，５ｃ，５ｄ……
半透過ミラー、６ａ，６ｂ……コーナキユーブプ
リズム、７……ミラー、８……受信レンズ、９，
９ａ，９ｂ……フオトダイオード、１０……増幅
器、１１……位相比較器、１２……距離信号、１
３，１３ａ，１３ｂ……バンドパスフイルタ、１
４……参照信号、１５……位相測定信号入力、１
６ａ，１６ｂ，１６ｃ……二値化回路、１７……
セツト信号、１８……リセツト信号、１９……フ
リツプフロツプ、２０……発振器、２１……ゲー
ト、２２……カウンタ、２３……コリメータレン
ズ、２４……増幅器、２５……減算カウンタ、２
６……レーザ電源、２７……平均回路、２８……
基準距離信号、２９……校正指示信号、３０……
精密距離信号である。なお、各図中同一符号は同
一または相当部分を示す。
Figure 1 is a diagram showing an embodiment of this invention;
The figure shows a conventional light wave distance measuring device, and Fig. 3 shows a second
It is a figure which shows the example of a structure of the phase comparator 11 in a figure. In the figure, 1... reference oscillator, 2... drive circuit, 3, 3a, 3b... laser diode, 4...
...Transmission lens, 5, 5a, 5b, 5c, 5d...
Semi-transparent mirror, 6a, 6b...Corner cube prism, 7...Mirror, 8...Receiving lens, 9,
9a, 9b...Photodiode, 10...Amplifier, 11...Phase comparator, 12...Distance signal, 1
3, 13a, 13b...Band pass filter, 1
4...Reference signal, 15...Phase measurement signal input, 1
6a, 16b, 16c...binarization circuit, 17...
Set signal, 18... Reset signal, 19... Flip-flop, 20... Oscillator, 21... Gate, 22... Counter, 23... Collimator lens, 24... Amplifier, 25... Subtraction counter, 2
6... Laser power supply, 27... Average circuit, 28...
Reference distance signal, 29... Calibration instruction signal, 30...
It is a precision distance signal. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
距離を測定するための光波測距装置において、コ
ーナキユーブプリズム又は平面反射鏡に対向して
レーザ平行光を照射する手段と、上記レーザ平行
光の上記コーナキユーブプリズム又は平面反射鏡
による反射光を検出する手段と、上記レーザ平行
光と反射光の光路の共通部分に光軸に対して傾け
て配置された半透過ミラーと、前記半透過ミラー
によつて分岐される上記レーザ平行光の光路中に
光軸と直交して配置されたコーナキユーブプリズ
ムとを備えたことを特徴とする光波測距装置。 In a light wave distance measuring device for measuring a distance to a corner cube prism or a plane reflecting mirror, means for irradiating parallel laser light to face the corner cube prism or plane reflecting mirror; means for detecting reflected light from a cube prism or a plane reflecting mirror; a semi-transmissive mirror disposed at a common portion of the optical path of the parallel laser beam and the reflected light at an angle with respect to the optical axis; A light wave ranging device comprising: a corner cube prism disposed perpendicularly to the optical axis in the optical path of the parallel laser beam that is split by the laser beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8991489U JPH0328484U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8991489U JPH0328484U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0328484U true JPH0328484U (en) | 1991-03-20 |
Family
ID=31639466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8991489U Pending JPH0328484U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328484U (en) |
-
1989
- 1989-07-31 JP JP8991489U patent/JPH0328484U/ja active Pending
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