JPH01134284U - - Google Patents
Info
- Publication number
- JPH01134284U JPH01134284U JP2990188U JP2990188U JPH01134284U JP H01134284 U JPH01134284 U JP H01134284U JP 2990188 U JP2990188 U JP 2990188U JP 2990188 U JP2990188 U JP 2990188U JP H01134284 U JPH01134284 U JP H01134284U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- preamplifier
- photodetector
- objective lens
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
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図はプリアンプの伝達インピー
ダンスの出力振巾依存性を示す図、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、１６
はプリアンプ、１７はダイオード、１８は抵抗器
、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。
Fig. 1 is a diagram showing the configuration of one embodiment of this invention, Fig. 2 is a diagram showing the dependence of the transfer impedance of the preamplifier on the output amplitude, and Fig. 3 is a diagram showing the configuration of a conventional device. FIG. 4 is a diagram 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, 16
is a preamplifier, 17 is a diode, and 18 is a resistor. 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電
流を電流・電圧変換する前置増巾器と、この前置
増巾器の負帰還ループに設置される、ダイオード
で構成される振巾リミツタ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. A laser ranging device characterized by comprising a preamplifier that converts an output current into a current/voltage, and an amplitude limiter configured with a diode, which is installed in a negative feedback loop of the preamplifier. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2990188U JPH01134284U (en) | 1988-03-07 | 1988-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2990188U JPH01134284U (en) | 1988-03-07 | 1988-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01134284U true JPH01134284U (en) | 1989-09-13 |
Family
ID=31254513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2990188U Pending JPH01134284U (en) | 1988-03-07 | 1988-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01134284U (en) |
-
1988
- 1988-03-07 JP JP2990188U patent/JPH01134284U/ja active Pending
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