JPS6397810U - - Google Patents
Info
- Publication number
- JPS6397810U JPS6397810U JP19264086U JP19264086U JPS6397810U JP S6397810 U JPS6397810 U JP S6397810U JP 19264086 U JP19264086 U JP 19264086U JP 19264086 U JP19264086 U JP 19264086U JP S6397810 U JPS6397810 U JP S6397810U
- Authority
- JP
- Japan
- Prior art keywords
- outputs
- difference
- counter
- light
- calculates
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は、本考案の測距装置を示す回路ブロツ
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、第５図は第３図のフローチヤートの
一部の詳細を示すフローチヤート。
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、９……コンデンサ、１５……ＣＰＵ。
Fig. 1 is a circuit block diagram showing the range finder of the present invention, Fig. 2 is a time chart for explaining the operation of the range finder of Fig. 1, and Fig. 3 is the operation of the range finder of the present invention. Flowchart: FIG. 4 is a diagram for explaining the principle of distance measurement, and FIG. 5 is a flowchart showing details of a part of the flowchart in FIG. 3. 1... Distance measurement circuit, 2... Optical sensor (PSD)
, 3... Light emitting element, 4a, 4b... Lens, 5a
, 5b...amplifier, 7a, 7b...changeover switch, 9...capacitor, 15...CPU.
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、該カウンター数値を演
算することによつて距離を測定する測距装置にお
いて、上記光センサーの２つの出力に対応するそ
れぞれの信号の和および差を求める演算カウンタ
ーと、該演算カウンターがオーバーフローした時
上記和および差信号値をそれぞれ１／２にする手
段と、該１／２となつたそれぞれの信号値の比を
演算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 distance measuring device that measures distance by calculating a counter value includes a calculation counter that calculates the sum and difference of respective signals corresponding to the two outputs of the optical sensor, and a calculation counter that calculates the sum and difference of the respective signals corresponding to the two outputs of the optical sensor. and means for halving each of the difference signal values, and means for calculating a ratio of the halved signal values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19264086U JPS6397810U (en) | 1986-12-15 | 1986-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19264086U JPS6397810U (en) | 1986-12-15 | 1986-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6397810U true JPS6397810U (en) | 1988-06-24 |
Family
ID=31147913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19264086U Pending JPS6397810U (en) | 1986-12-15 | 1986-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6397810U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS605338A (en) * | 1983-06-22 | 1985-01-11 | Matsushita Electric Ind Co Ltd | Arithmetic 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 |
-
1986
- 1986-12-15 JP JP19264086U patent/JPS6397810U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS605338A (en) * | 1983-06-22 | 1985-01-11 | Matsushita Electric Ind Co Ltd | Arithmetic 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 |
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