The present invention discloses a PIR sensor, including an infrared probe and a lens located between the infrared probe and a detected area, wherein a baffle is provided between the lens and the detected area, a plurality of through holes evenly provided on the baffle. The through holes of the baffle are arranged in a meshy patterns. According to the PIR sensor disclosed by the present invention, the baffle can block the lens, without affecting the performances of the PIR sensor at all, thereby not only improving the aesthetic degree of the product, but also further improving the concealment property of a photographing device.
PIR SENSOR AND PHOTOGRAPHING DEVICE
2019-01-17
Patent
Electronic Resource
English
IPC: | G01J Messen der Intensität, der Geschwindigkeit, der spektralen Zusammensetzung, der Polarisation, der Phase oder der Pulscharakteristik von infrarotem, sichtbarem oder ultraviolettem Licht , MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen |
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