JPH0419831U - - Google Patents
Info
- Publication number
- JPH0419831U JPH0419831U JP5805690U JP5805690U JPH0419831U JP H0419831 U JPH0419831 U JP H0419831U JP 5805690 U JP5805690 U JP 5805690U JP 5805690 U JP5805690 U JP 5805690U JP H0419831 U JPH0419831 U JP H0419831U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- time
- synchronization
- optical axis
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第1図ないし第3図は本考案の一実施例を示し
、第1図は全体のブロツク図、第2図は投光回路
及び受光回路の各部の電圧波形図、第3図は投光
・受光装置の配置例をしめす概略的平面図、第4
図及び第5図は投光・受光装置の配置例において
夫々異なる態様を示す第3図相当図である。
図面中、11は投光回路、12は同期用投光素
子、13〜15は検出用投光素子、31は受光回
路、32は同期用受光素子、33〜35は同期用
受光素子、42はCPU(同期信号生成手段、判
定手段)である。
Figures 1 to 3 show an embodiment of the present invention. Figure 1 is an overall block diagram, Figure 2 is a voltage waveform diagram of each part of the light emitter and receiver circuits, and Figure 3 is a diagram of the light emitter and receiver circuits. Schematic plan view showing an example of arrangement of the light receiving device, No. 4
5 and 5 are views corresponding to FIG. 3 showing different aspects of the arrangement of the light emitting/receiving device. In the drawing, 11 is a light projecting circuit, 12 is a synchronizing light projecting element, 13 to 15 are detection light projecting elements, 31 is a light receiving circuit, 32 is a synchronizing light receiving element, 33 to 35 is a synchronizing light receiving element, and 42 is a synchronizing light receiving element. It is a CPU (synchronization signal generation means, determination means).
Claims (1)
られた検出用投光素子及び受光素子と、 同期用の光軸を構成するように対をなして設け
られた同期用投光素子及び受光素子と、 前記同期用投光素子の発光時間を前記検出用投
光素子の発光時間よりも長くして各投光素子を所
定の投光タイミングで繰返し走査するように発光
させる投光回路と、 前記同期用受光素子が所定の基準受光時間だけ
継続して受光状態となつたことを検出する度に前
記投光タイミングに対応した同期信号を出力する
同期信号生成手段と、 前記各検出用受光素子からの受光信号を前記同
期信号と同期をとりつつ取込むことにより前記光
軸の遮光状態を検出する判定手段とを具備し 前記投光回路は前記同期用投光素子の発光時間
を複数種の時間に設定可能に構成され、 前記同期信号生成手段は、前記複数種の各発光
時間に対応して複数種の前記基準受光時間を設定
可能に構成されていることを特徴とする多光軸式
光電スイツチ。[Scope of Claim for Utility Model Registration] A detection light emitting element and a light receiving element arranged in a pair to form an optical axis for detection, and a pair arranged to form an optical axis for synchronization. the synchronizing light emitting element and the light receiving element, and each light emitting element is repeatedly scanned at a predetermined light emitting timing by making the light emitting time of the synchronizing light emitting element longer than the light emitting time of the detection light emitting element. and a synchronization signal generator that outputs a synchronization signal corresponding to the light emission timing each time it is detected that the synchronization light receiving element continues to be in a light receiving state for a predetermined reference light reception time. and determining means for detecting a light-blocking state of the optical axis by capturing light reception signals from each of the detection light-receiving elements in synchronization with the synchronization signal, and the light projection circuit includes The light emitting time of the optical element is configured to be settable to a plurality of types of time, and the synchronization signal generating means is configured to be configured to be able to set a plurality of types of the reference light reception times corresponding to each of the plurality of types of light emission times. A multi-optical axis photoelectric switch characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990058056U JP2513335Y2 (en) | 1990-05-31 | 1990-05-31 | Multi-axis photoelectric switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990058056U JP2513335Y2 (en) | 1990-05-31 | 1990-05-31 | Multi-axis photoelectric switch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0419831U true JPH0419831U (en) | 1992-02-19 |
JP2513335Y2 JP2513335Y2 (en) | 1996-10-02 |
Family
ID=31583321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990058056U Expired - Lifetime JP2513335Y2 (en) | 1990-05-31 | 1990-05-31 | Multi-axis photoelectric switch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2513335Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06132803A (en) * | 1992-10-21 | 1994-05-13 | Sunx Ltd | Multiple optical axis photoelectric switch |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239183A (en) * | 1975-09-23 | 1977-03-26 | Hokuyo Automatic Co | Photoelectric switch |
JPS5322973A (en) * | 1975-10-15 | 1978-03-02 | Mitsubishi Electric Corp | Controlling device fo r vehicle |
JPS6115421A (en) * | 1984-06-29 | 1986-01-23 | Omron Tateisi Electronics Co | Photoelectric switch |
JPS6356015A (en) * | 1986-08-26 | 1988-03-10 | Sankusu Kk | Multi optical axis type photoelectric switch |
JPH02293683A (en) * | 1989-05-09 | 1990-12-04 | Sunx Ltd | Multiple optical axis type photoelectric switch |
-
1990
- 1990-05-31 JP JP1990058056U patent/JP2513335Y2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239183A (en) * | 1975-09-23 | 1977-03-26 | Hokuyo Automatic Co | Photoelectric switch |
JPS5322973A (en) * | 1975-10-15 | 1978-03-02 | Mitsubishi Electric Corp | Controlling device fo r vehicle |
JPS6115421A (en) * | 1984-06-29 | 1986-01-23 | Omron Tateisi Electronics Co | Photoelectric switch |
JPS6356015A (en) * | 1986-08-26 | 1988-03-10 | Sankusu Kk | Multi optical axis type photoelectric switch |
JPH02293683A (en) * | 1989-05-09 | 1990-12-04 | Sunx Ltd | Multiple optical axis type photoelectric switch |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06132803A (en) * | 1992-10-21 | 1994-05-13 | Sunx Ltd | Multiple optical axis photoelectric switch |
Also Published As
Publication number | Publication date |
---|---|
JP2513335Y2 (en) | 1996-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |