JPH0167591U - - Google Patents
Info
- Publication number
- JPH0167591U JPH0167591U JP1987163908U JP16390887U JPH0167591U JP H0167591 U JPH0167591 U JP H0167591U JP 1987163908 U JP1987163908 U JP 1987163908U JP 16390887 U JP16390887 U JP 16390887U JP H0167591 U JPH0167591 U JP H0167591U
- Authority
- JP
- Japan
- Prior art keywords
- output
- frequency
- oscillator
- optical system
- laser
- 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
- 238000005259 measurement Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010408 sweeping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図はこの考案の測距装置を示す構成図、第
２図はスイープ周波数を示す図、第３図は送信ス
イープ周波数と受信スイープ周波数を示す図、第
４図は従来の測距装置を示す図である。図中１は
レーザ発振器、７は変調器、８はスイープ発振器
、９はフエーズロツク回路、１０は周波数測定回
路、１１は計算回路である。なお図中同一あるい
は相当部分には同一符号を付して示してある。
Figure 1 is a block diagram showing the distance measuring device of this invention, Figure 2 is a diagram showing the sweep frequency, Figure 3 is a diagram showing the transmitting sweep frequency and receiving sweep frequency, and Figure 4 is a diagram showing the conventional ranging device. FIG. In the figure, 1 is a laser oscillator, 7 is a modulator, 8 is a sweep oscillator, 9 is a phase lock circuit, 10 is a frequency measurement circuit, and 11 is a calculation circuit. In the drawings, the same or corresponding parts are denoted by the same reference numerals.
Claims (1)
るスイープ発振器と、このスイープ発振器の出力
で上記レーザ発振器のレーザ光に変調をかける変
調器と、この変調器の出力レーザ光を目標に導く
送信光学系と、目標で反射したレーザ光を集める
ための受信光学系と、この受信光学系で集めたレ
ーザ光を電気信号に変換する光検出器と、この光
検出器の出力を適当な強度に増幅するアンプと、
このアンプの出力の上記スイープ発振器の指示す
るタイミングの周波数にロツキングするフエーズ
ロツク回路と、このフエーズロツク回路の出力の
周波数を測定するための周波数測定回路、この周
波数測定回路の測定周波数値から距離を計算する
計算回路とを備えたことを特徴とする測距装置。 a laser oscillator, a sweep oscillator that oscillates by sweeping the frequency, a modulator that modulates the laser light of the laser oscillator with the output of the sweep oscillator, and a transmission optical system that guides the output laser light of the modulator to a target. , a receiving optical system that collects the laser beam reflected by the target, a photodetector that converts the laser beam collected by the receiving optical system into an electrical signal, and an amplifier that amplifies the output of this photodetector to an appropriate intensity. and,
A phase lock circuit that locks the output of this amplifier to the frequency at the timing instructed by the sweep oscillator, a frequency measurement circuit that measures the frequency of the output of this phase lock circuit, and a distance calculated from the measured frequency value of this frequency measurement circuit. A distance measuring device characterized by comprising a calculation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987163908U JPH0167591U (en) | 1987-10-27 | 1987-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987163908U JPH0167591U (en) | 1987-10-27 | 1987-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0167591U true JPH0167591U (en) | 1989-05-01 |
Family
ID=31449056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987163908U Pending JPH0167591U (en) | 1987-10-27 | 1987-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0167591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0314476U (en) * | 1989-06-24 | 1991-02-14 |
-
1987
- 1987-10-27 JP JP1987163908U patent/JPH0167591U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0314476U (en) * | 1989-06-24 | 1991-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0439038B2 (en) | ||
| JPH0167591U (en) | ||
| JPS6317482U (en) | ||
| JPS6451838U (en) | ||
| JPH0167590U (en) | ||
| JPH01126582A (en) | Laser distance measuring apparatus | |
| JPH01151284U (en) | ||
| JPH0248835U (en) | ||
| JP3118731B2 (en) | Distance measurement method with lightwave distance meter | |
| JPH0248834U (en) | ||
| RU2029251C1 (en) | Device for measuring amplitudes of small periodic linear displacements | |
| JPS6115578U (en) | Laser guidance device | |
| JPH022686U (en) | ||
| JPS63191663U (en) | ||
| JPS547361A (en) | Detecting method of broken position of optical fibers | |
| JPH0381526U (en) | ||
| JPH02122333U (en) | ||
| SU1420360A1 (en) | Method of measuring displacement of object | |
| JPS6331352U (en) | ||
| JPS60113574U (en) | Lightwave ranging device | |
| JPS59144484U (en) | Laser ranging device | |
| JPH02101291U (en) | ||
| JPS6427628U (en) | ||
| JPH0283408U (en) | ||
| JPS6065689U (en) | object sensing device |