JPS5898745U - photoelectric switch - Google Patents

photoelectric switch

Info

Publication number
JPS5898745U
JPS5898745U JP19471181U JP19471181U JPS5898745U JP S5898745 U JPS5898745 U JP S5898745U JP 19471181 U JP19471181 U JP 19471181U JP 19471181 U JP19471181 U JP 19471181U JP S5898745 U JPS5898745 U JP S5898745U
Authority
JP
Japan
Prior art keywords
photoelectric switch
light emitting
oscillation
variable resistor
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.)
Pending
Application number
JP19471181U
Other languages
Japanese (ja)
Inventor
依藤　有貴
Original Assignee
松下電工株式会社
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 by 松下電工株式会社 filed Critical 松下電工株式会社
Priority to JP19471181U priority Critical patent/JPS5898745U/en
Publication of JPS5898745U publication Critical patent/JPS5898745U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来技術を示す回路図、第２図は本考案の一実
施例の全体プロ□ツク図、第３−は投光手段１０の構成
を示す回路図、第４図はパルス変調光の波形を示す図で
ある。 １０−・・投光手段、１゛１・・・受光素子、１３・・
・レベル弁別回路、１７・・・発振回路、１８・・・発
光回路、２７・・・第１可変抵抗、３１・・・第２可変
抵抗、３２・・・発光ダイオード。Fig. 1 is a circuit diagram showing the prior art, Fig. 2 is an overall block diagram of an embodiment of the present invention, Fig. 3 is a circuit diagram showing the configuration of the light projecting means 10, and Fig. 4 is a pulse modulated light beam. FIG. 10-... Light projecting means, 1゛1... Light receiving element, 13...
- Level discrimination circuit, 17... Oscillation circuit, 18... Light emitting circuit, 27... First variable resistor, 31... Second variable resistor, 32... Light emitting diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発振回路からの発振信号により発光素子からパルス変調
光を投光する投光手蒔と、その投光手段からの受光によ
る光変調信号をレベル弁別して制御を行なうようにした
光電スイッチにおいて、前記発振回路における発振周期
を変化すべく第１可変抵抗が設けられるとともに、前記
発光素子には電流を変化させるべく第２可変抵抗が直列
に接続されたことを特徴とする光電スイッチ。In a photoelectric switch, the light emitting device emits pulse-modulated light from a light emitting element using an oscillation signal from an oscillation circuit, and the photoelectric switch is controlled by level-discriminating the light modulation signal received from the light emitting means. A photoelectric switch characterized in that a first variable resistor is provided to change the oscillation cycle in the circuit, and a second variable resistor is connected in series to the light emitting element to change the current.
JP19471181U 1981-12-25 1981-12-25 photoelectric switch Pending JPS5898745U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19471181U JPS5898745U (en) 1981-12-25 1981-12-25 photoelectric switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19471181U JPS5898745U (en) 1981-12-25 1981-12-25 photoelectric switch

Publications (1)

Publication Number Publication Date
JPS5898745U true JPS5898745U (en) 1983-07-05

Family

ID=30108017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19471181U Pending JPS5898745U (en) 1981-12-25 1981-12-25 photoelectric switch

Country Status (1)

Country Link
JP (1) JPS5898745U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63197115A (en) * 1987-02-12 1988-08-16 Nec Corp Optical transmitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63197115A (en) * 1987-02-12 1988-08-16 Nec Corp Optical transmitter

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