JPS63174014U - - Google Patents
Info
- Publication number
- JPS63174014U JPS63174014U JP19263986U JP19263986U JPS63174014U JP S63174014 U JPS63174014 U JP S63174014U JP 19263986 U JP19263986 U JP 19263986U JP 19263986 U JP19263986 U JP 19263986U JP S63174014 U JPS63174014 U JP S63174014U
- Authority
- JP
- Japan
- Prior art keywords
- output
- counter
- distance
- measuring device
- light
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の測距装置を示すブロツク図、
第２図は、第１図の測距装置の作動説明のための
タイムチヤート、第３図は本考案の測距装置の作
動フローチヤート、第４図は測距原理説明のため
の図である。
１…測距回路、２…光センサー（ＰＳＤ）、３
…発光素子、４ａ，４ｂ…レンズ、５ａ，５ｂ…
増幅器、７ａ，７ｂ…切換えスイツチ、１５…Ｃ
ＰＵ、２１ａ，２１ｂ…コンパレータ。
Figure 1 is a block diagram showing the distance measuring device of the present invention.
FIG. 2 is a time chart for explaining the operation of the distance measuring device shown in FIG. 1, FIG. 3 is a flowchart for explaining the operation of the distance measuring device of the present invention, and FIG. 4 is a diagram for explaining the principle of distance measurement. . 1... Distance measurement circuit, 2... Optical sensor (PSD), 3
...Light emitting element, 4a, 4b...Lens, 5a, 5b...
Amplifier, 7a, 7b...changeover switch, 15...C
PU, 21a, 21b... comparator.
Claims (1)
有する光センサーで反射光を受け、該光センサー
のそれぞれの出力に応じた時間をＡ／Ｄ変換する
ためのカウンターを有し、該カウンターの数値を
演算することによつて距離を測定する測定装置に
おいて、上記カウンターのオーバーフローを検出
する手段と、上記光センサーの出力に対応した電
圧値と一定の基準電圧を比較するためのコンパレ
ータと、上記オーバーフロー検知手段の出力信号
又は上記コンパレータの出力のどちらかの信号を
受けて、測距結果を強制的に特定の距離に設定す
る手段を備えたことを特徴とする測距装置。 The light emitting element emits light toward an object, the reflected light is received by a light sensor having two outputs, and a counter is provided for A/D converting the time according to each output of the light sensor. A measuring device that measures distance by calculating a numerical value on a counter, comprising means for detecting an overflow of the counter, and a comparator for comparing a voltage value corresponding to the output of the optical sensor with a constant reference voltage. . A distance measuring device comprising: means for forcibly setting a distance measurement result to a specific distance upon receiving either the output signal of the overflow detection means or the output of the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986192639U JPH0626805Y2 (en) | 1986-12-15 | 1986-12-15 | Ranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986192639U JPH0626805Y2 (en) | 1986-12-15 | 1986-12-15 | Ranging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63174014U true JPS63174014U (en) | 1988-11-11 |
| JPH0626805Y2 JPH0626805Y2 (en) | 1994-07-20 |
Family
ID=31147911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986192639U Expired - Lifetime JPH0626805Y2 (en) | 1986-12-15 | 1986-12-15 | Ranging device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626805Y2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816577U (en) * | 1981-07-24 | 1983-02-01 | 日本電気株式会社 | sounding device |
| JPS6019116A (en) * | 1983-07-13 | 1985-01-31 | Canon Inc | Range finder |
| JPS60227112A (en) * | 1984-04-25 | 1985-11-12 | Mitsubishi Electric Corp | Optical displacement meter |
| JPS61105417A (en) * | 1984-10-29 | 1986-05-23 | Mitsubishi Electric Corp | Distance measuring instrument |
| JPS61231410A (en) * | 1985-04-08 | 1986-10-15 | Seiko Koki Kk | Beam projection type range finder |
-
1986
- 1986-12-15 JP JP1986192639U patent/JPH0626805Y2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816577U (en) * | 1981-07-24 | 1983-02-01 | 日本電気株式会社 | sounding device |
| JPS6019116A (en) * | 1983-07-13 | 1985-01-31 | Canon Inc | Range finder |
| JPS60227112A (en) * | 1984-04-25 | 1985-11-12 | Mitsubishi Electric Corp | Optical displacement meter |
| JPS61105417A (en) * | 1984-10-29 | 1986-05-23 | Mitsubishi Electric Corp | Distance measuring instrument |
| JPS61231410A (en) * | 1985-04-08 | 1986-10-15 | Seiko Koki Kk | Beam projection type range finder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626805Y2 (en) | 1994-07-20 |