JPS6487U - - Google Patents
Info
- Publication number
- JPS6487U JPS6487U JP9277487U JP9277487U JPS6487U JP S6487 U JPS6487 U JP S6487U JP 9277487 U JP9277487 U JP 9277487U JP 9277487 U JP9277487 U JP 9277487U JP S6487 U JPS6487 U JP S6487U
- Authority
- JP
- Japan
- Prior art keywords
- light
- control circuit
- emitting elements
- emit
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 5
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案による光電式対人センサの一実
施例を表わすブロツク構成図、第２図ａ，ｂは外
来ノイズの一例を表わす信号の波形図、ｃは発振
回路の発振パルス信号の波形図、ｄは同期検出回
路の受信時期を示す波形図、ｅは発振回路で発振
パルス信号ｃから作成される同期信号の波形図で
ある。
１……赤外発光ダイオード、２……近赤外光、
５……受光素子、６……赤外反射光、９……発振
回路、１０……同期検出回路、１１……カウンタ
回路、１２……検定回路、１３……保持回路。
Fig. 1 is a block configuration diagram showing one embodiment of the photoelectric interpersonal sensor according to the present invention, Fig. 2 a and b are waveform diagrams of signals representing an example of external noise, and c is a waveform diagram of the oscillation pulse signal of the oscillation circuit. , d is a waveform diagram showing the reception timing of the synchronization detection circuit, and e is a waveform diagram of a synchronization signal generated from the oscillation pulse signal c by the oscillation circuit. 1...Infrared light emitting diode, 2...Near infrared light,
5... Light receiving element, 6... Infrared reflected light, 9... Oscillation circuit, 10... Synchronization detection circuit, 11... Counter circuit, 12... Verification circuit, 13... Holding circuit.
Claims (1)
外光の反射光を受光する複数個の受光素子と、前
記発光素子の発光駆動時期および前記受光素子か
らの信号の受信時期を制御する制御回路と、この
制御回路からの受信信号により人の有無を検知す
る検知回路とから構成される光電式対人センサ。 A plurality of light-emitting elements that emit infrared light, a plurality of light-receiving elements that receive reflected light of the infrared light, and controlling timing of driving the light-emitting elements to emit light and timing of receiving signals from the light-receiving elements. A photoelectric interpersonal sensor consisting of a control circuit and a detection circuit that detects the presence or absence of a person based on a signal received from the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9277487U JPS6487U (en) | 1987-06-18 | 1987-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9277487U JPS6487U (en) | 1987-06-18 | 1987-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6487U true JPS6487U (en) | 1989-01-05 |
Family
ID=30954782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9277487U Pending JPS6487U (en) | 1987-06-18 | 1987-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6487U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5873889A (en) * | 1982-09-18 | 1983-05-04 | Omron Tateisi Electronics Co | Photoelectric switch |
| JPS6027882A (en) * | 1983-07-23 | 1985-02-12 | Dowa Mining Co Ltd | Optical detector |
| JPS6175280A (en) * | 1984-09-20 | 1986-04-17 | Koito Ind Co Ltd | Photoelectric type object detector |
| JPS61218977A (en) * | 1985-03-25 | 1986-09-29 | Matsushita Electric Works Ltd | Distance-limited type optical sensor |
-
1987
- 1987-06-18 JP JP9277487U patent/JPS6487U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5873889A (en) * | 1982-09-18 | 1983-05-04 | Omron Tateisi Electronics Co | Photoelectric switch |
| JPS6027882A (en) * | 1983-07-23 | 1985-02-12 | Dowa Mining Co Ltd | Optical detector |
| JPS6175280A (en) * | 1984-09-20 | 1986-04-17 | Koito Ind Co Ltd | Photoelectric type object detector |
| JPS61218977A (en) * | 1985-03-25 | 1986-09-29 | Matsushita Electric Works Ltd | Distance-limited type optical sensor |
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