PHOTOELECTRIC SENSOR AND LIGHT PROJECTOR

A photoelectric sensor including a light emitter and a light receiver that are separated from each other is provided. The light emitter includes a light emitting unit configured to emit a light beam, and a power supply circuit. The power supply circuit is configured to receive supply of electric pow...

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Bibliographic Details
Main Authors TOMITA, Yukiharu, TSUZUKI, Ryosuke, OKAMOTO, Takuya
Format Patent
LanguageEnglish
French
German
Published 21.02.2024
Subjects
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
PULSE TECHNIQUE
RELAYS
SELECTORS
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Summary:A photoelectric sensor including a light emitter and a light receiver that are separated from each other is provided. The light emitter includes a light emitting unit configured to emit a light beam, and a power supply circuit. The power supply circuit is configured to receive supply of electric power through a first power supply line (31) and a second power supply line that lead to an outside of the light emitter, and supply required electric power to the light emitting unit (22), one end of a third power supply line (33) being connected to the first power supply line(31) inside of the light emitter (2B). The light receiver (4) includes a first switching element (462), connected to another end of the third power supply line, for serving to output a first output signal (OUT1), a second switching element (466), connected to the other end of the third power supply line, for serving to output a second output signal (OUT2), and a detection circuit (44) configured to switch a conducting state of each of the first switching element and the second switching element in accordance with an intensity of light detected.
Bibliography:Application Number: EP20170895919