JPH0332452U - - Google Patents
Info
- Publication number
- JPH0332452U JPH0332452U JP9225189U JP9225189U JPH0332452U JP H0332452 U JPH0332452 U JP H0332452U JP 9225189 U JP9225189 U JP 9225189U JP 9225189 U JP9225189 U JP 9225189U JP H0332452 U JPH0332452 U JP H0332452U
- Authority
- JP
- Japan
- Prior art keywords
- laser
- target object
- receiving element
- level
- light source
- 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
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Details Of Measuring And Other Instruments (AREA)
Description
第１図はこの考案が適用された距離測定装置の
ブロツク図、第２図は電気シヤツタの構成例を示
す斜面図、第３図は距離測定装置の動作状態の変
化を示す説明図、第４図はレーザ光の実際の強度
変化を示す波形説明図である。
１……レーザダイオード、２……フオトダイオ
ード、３……電気シヤツタ、６……振幅検出回路
、７……コンパレータ、８……シヤツタ制御回路
。
Fig. 1 is a block diagram of a distance measuring device to which this invention is applied, Fig. 2 is a perspective view showing a configuration example of an electric shutter, Fig. 3 is an explanatory diagram showing changes in the operating state of the distance measuring device, and Fig. 4 is a block diagram of a distance measuring device to which this invention is applied. The figure is a waveform explanatory diagram showing actual intensity changes of laser light. 1... Laser diode, 2... Photo diode, 3... Electric shutter, 6... Amplitude detection circuit, 7... Comparator, 8... Shutter control circuit.
Claims (1)
ーザ光源と、対象物からの反射光を受光する受光
素子とを備え、この受光素子での受光信号に基づ
き対象物に関するデータを得るレーザ応用機器に
おいて、 前記レーザ光源の投射方向に配備される電気シ
ヤツタと、 前記受光素子で得た受光信号のレベルを所定の
レベルで弁別するレベル弁別回路と、 レベル弁別回路の出力信号に応じて前記電気シ
ヤツタの開閉を制御する制御回路と具備して成る
レーザ応用機器における安全装置。[Claims for Utility Model Registration] Comprising a laser light source that generates a laser beam to be projected toward a target object, and a light receiving element that receives reflected light from the target object, the target object is detected based on a light reception signal from the light receiving element. A laser application device that obtains data regarding the laser light source includes: an electric shutter disposed in the projection direction of the laser light source; a level discrimination circuit that discriminates the level of the light reception signal obtained by the light receiving element at a predetermined level; and an output of the level discrimination circuit. A safety device for laser application equipment, comprising a control circuit that controls opening and closing of the electric shutter according to a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9225189U JPH0332452U (en) | 1989-08-04 | 1989-08-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9225189U JPH0332452U (en) | 1989-08-04 | 1989-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0332452U true JPH0332452U (en) | 1991-03-29 |
Family
ID=31641689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9225189U Pending JPH0332452U (en) | 1989-08-04 | 1989-08-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332452U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5995063A (en) * | 1982-11-22 | 1984-05-31 | 株式会社東芝 | Scanning type laser apparatus |
-
1989
- 1989-08-04 JP JP9225189U patent/JPH0332452U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5995063A (en) * | 1982-11-22 | 1984-05-31 | 株式会社東芝 | Scanning type laser apparatus |
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