JPH0419831U - - Google Patents

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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
Application number
JP5805690U
Other languages
Japanese (ja)
Other versions
JP2513335Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990058056U priority Critical patent/JP2513335Y2/en
Publication of JPH0419831U publication Critical patent/JPH0419831U/ja
Application granted granted Critical
Publication of JP2513335Y2 publication Critical patent/JP2513335Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 検出用の光軸を構成するように対をなして設け
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:
JP1990058056U 1990-05-31 1990-05-31 Multi-axis photoelectric switch Expired - Lifetime JP2513335Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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