JPS61155985A - Photoelectric detector - Google Patents

Photoelectric detector

Info

Publication number
JPS61155985A
JPS61155985A JP59277857A JP27785784A JPS61155985A JP S61155985 A JPS61155985 A JP S61155985A JP 59277857 A JP59277857 A JP 59277857A JP 27785784 A JP27785784 A JP 27785784A JP S61155985 A JPS61155985 A JP S61155985A
Authority
JP
Japan
Prior art keywords
voltage
driving
signal
led1
adjustment
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
JP59277857A
Other languages
Japanese (ja)
Inventor
Masa Mitsuda
Fujio Hirose
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP59277857A priority Critical patent/JPS61155985A/en
Publication of JPS61155985A publication Critical patent/JPS61155985A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To facilitate the adjustment of an optical axis, by applying a DC driving signal to a light emitting element in response to a DC driving change- over signal to project DC light from a projection part.
CONSTITUTION: Power source voltage V at a normal time is set so as to make the voltage between the terminals of a Zener diode 5 lower than the yield voltage thereof. In this case, a transistor 2 is driven by the pulse signal P from an oscillation circuit. As a result, pulse modulated light is outputted from LED1. In performing the adjustment of an optical axis, the power source voltage V is changed over to a high value. In this case, the Zener diode 5 brings about Zener yield and a DC current flows through a resistor 6 to apply DC driving to LED1.
COPYRIGHT: (C)1986,JPO&Japio
JP59277857A 1984-12-28 1984-12-28 Photoelectric detector Pending JPS61155985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59277857A JPS61155985A (en) 1984-12-28 1984-12-28 Photoelectric detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59277857A JPS61155985A (en) 1984-12-28 1984-12-28 Photoelectric detector

Publications (1)

Publication Number Publication Date
JPS61155985A true JPS61155985A (en) 1986-07-15

Family

ID=17589244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59277857A Pending JPS61155985A (en) 1984-12-28 1984-12-28 Photoelectric detector

Country Status (1)

Country Link
JP (1) JPS61155985A (en)

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