JPH0195683U - - Google Patents
Info
- Publication number
- JPH0195683U JPH0195683U JP19106787U JP19106787U JPH0195683U JP H0195683 U JPH0195683 U JP H0195683U JP 19106787 U JP19106787 U JP 19106787U JP 19106787 U JP19106787 U JP 19106787U JP H0195683 U JPH0195683 U JP H0195683U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- photodetector
- objective lens
- switch
- transmitting
- 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
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図はこの考案における１実施例の構成の部
分を示す図、第２図はこの考案における接地スイ
ツチ並にビデオアンプ出力の各状態を示す図、第
３図は従来の装置の構成を示す図、第４図はレー
ザ光送信タイミング及び従来の装置におけるビデ
オアンプの出力を示す図である。
図中、１はパルスレーザ発振器、３は折り返し
鏡、４は対物レンズ、６は第１の光検出器、８は
ビデオアンプ、１２はカウンタ、１６は接地スイ
ツチ、１７は接地期間データ設定回路である。な
お、図中、同一あるいは相当する部分には、同一
符号を付して示してある。
Figure 1 is a diagram showing the configuration of one embodiment of this invention, Figure 2 is a diagram showing each state of the grounding switch and video amplifier output in this invention, and Figure 3 is a diagram showing the configuration of a conventional device. 4 are diagrams showing the laser beam transmission timing and the output of the video amplifier in the conventional device. In the figure, 1 is a pulse laser oscillator, 3 is a folding mirror, 4 is an objective lens, 6 is a first photodetector, 8 is a video amplifier, 12 is a counter, 16 is a grounding switch, and 17 is a grounding period data setting circuit. be. In the drawings, the same or corresponding parts are designated by the same reference numerals.
Claims (1)
物レンズを共用するパルスレーザ測距装置におい
て、送・受レーザ光分波手段と、受信レーザ光を
光電変換する光検出器と、前記光検出器の出力を
増巾する増巾器と、前記増幅器の入力段または中
間段の信号ラインを外部からの制御により接地す
るスイツチと、前記レーザ光発射時刻を含む定め
られた期間、前記スイツチを接地状態に制御する
手段とを備えたことを特徴とするレーザ測距装置
。 A pulsed laser ranging device that uses both an objective lens for transmitting a laser beam and an objective lens for receiving a laser beam includes a transmitting/receiving laser beam demultiplexing means, a photodetector for photoelectrically converting the received laser beam, and a photodetector for photoelectrically converting the received laser beam. an amplifier for amplifying the output; a switch for grounding the input stage or intermediate stage signal line of the amplifier under external control; and a grounding state for the switch for a predetermined period including the laser beam emission time. 1. A laser ranging device characterized by comprising: means for controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19106787U JPH0195683U (en) | 1987-12-16 | 1987-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19106787U JPH0195683U (en) | 1987-12-16 | 1987-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195683U true JPH0195683U (en) | 1989-06-23 |
Family
ID=31481994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19106787U Pending JPH0195683U (en) | 1987-12-16 | 1987-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195683U (en) |
-
1987
- 1987-12-16 JP JP19106787U patent/JPH0195683U/ja active Pending
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