JPS6370010U - - Google Patents
Info
- Publication number
- JPS6370010U JPS6370010U JP16420286U JP16420286U JPS6370010U JP S6370010 U JPS6370010 U JP S6370010U JP 16420286 U JP16420286 U JP 16420286U JP 16420286 U JP16420286 U JP 16420286U JP S6370010 U JPS6370010 U JP S6370010U
- Authority
- JP
- Japan
- Prior art keywords
- laser
- pinhole plate
- circuit
- semiconductor
- pulsed
- 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
- 239000004065 semiconductor Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims 2
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Description
第１図は本考案の非接触測定器を示すブロツク
図、第２図は従来からの非接触測定器の原理を示
す略図、第３図は被測定物の変位量とセンサの出
力との関係を示す線図である。
１：レーザ半導体、２：センサ、３：支持腕、
４：被測定物、５：ドライブ回路、６：レーザ半
導体、７：ビーム整形レンズ、８：小孔、９：ピ
ンホール板、１０：センサ、１１：パルス光電流
抜取回路、１２：シーケンス回路、１３：コンパ
レータ、１４：中央演算器。
Figure 1 is a block diagram showing the non-contact measuring device of the present invention, Figure 2 is a schematic diagram showing the principle of a conventional non-contact measuring device, and Figure 3 is the relationship between the amount of displacement of the object to be measured and the output of the sensor. FIG. 1: Laser semiconductor, 2: Sensor, 3: Support arm,
4: Object to be measured, 5: Drive circuit, 6: Laser semiconductor, 7: Beam shaping lens, 8: Small hole, 9: Pinhole plate, 10: Sensor, 11: Pulse photocurrent extraction circuit, 12: Sequence circuit, 13: Comparator, 14: Central processing unit.
Claims (1)
ルス的に投射するレーザ半導体と、このレーザ半
導体の後側に設けられ、レーザ半導体から後方に
投射されるレーザ光の広がり角度を小さくしてこ
のレーザ光を平行ビームとするビーム整形レンズ
と、このビーム整形レンズの後側に設けられ、中
央にレーザ光を通す小孔を有するピンホール板と
、少なくともこのピンホール板から被測定物を挿
入可能な長さ離れた後方に配置され、上記ピンホ
ール板の小孔を通過して送られて来るレーザ光の
強さを検出するセンサと、このセンサが検知する
特定の波長の光の内、パルス的に送られて来るレ
ーザ光のみを抜き出すパルス光電流抜取回路と、
このパルス光電流抜取回路と前記ドライブ回路と
を同期させるシーケンス回路と、上記パルス光電
流抜取回路の出力を検出器の測定値として表示す
る表示手段とから成る非接触測定器。 A laser semiconductor that projects laser light in pulses based on a signal from a drive circuit, and a laser semiconductor that is installed on the rear side of this laser semiconductor to reduce the spread angle of the laser light that is projected backward from the laser semiconductor. A beam shaping lens that produces a parallel beam, a pinhole plate provided on the rear side of the beam shaping lens and having a small hole in the center through which the laser beam passes, and at least a length that allows the object to be measured to be inserted through the pinhole plate. A sensor is placed at the rear of the pinhole plate and detects the intensity of the laser beam that passes through the small hole in the pinhole plate. A pulsed light current extraction circuit that extracts only the incoming laser light,
A non-contact measuring device comprising: a sequence circuit that synchronizes the pulsed photocurrent sampling circuit with the drive circuit; and a display means that displays the output of the pulsed photocurrent sampling circuit as a measured value of a detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16420286U JPS6370010U (en) | 1986-10-28 | 1986-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16420286U JPS6370010U (en) | 1986-10-28 | 1986-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6370010U true JPS6370010U (en) | 1988-05-11 |
Family
ID=31093103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16420286U Pending JPS6370010U (en) | 1986-10-28 | 1986-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6370010U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5193251A (en) * | 1975-02-14 | 1976-08-16 | Entojobutsutaino gaikenhenkano kogakutekikensasochi | |
| JPS61164202A (en) * | 1985-01-17 | 1986-07-24 | 日本セメント株式会社 | Manufacture of moisture-sensitive resistor |
-
1986
- 1986-10-28 JP JP16420286U patent/JPS6370010U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5193251A (en) * | 1975-02-14 | 1976-08-16 | Entojobutsutaino gaikenhenkano kogakutekikensasochi | |
| JPS61164202A (en) * | 1985-01-17 | 1986-07-24 | 日本セメント株式会社 | Manufacture of moisture-sensitive resistor |
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