Magic sensor
Numéro d’image : 11893852
| Magic sensor on a finger. It is powered solely by the changes in temperature or pressure it measures,requiring no battery. This long-lived autonomous sensor is only active when there is a change to measure. Voltage is generated in pyroelectric materials by changes in temperature,or in piezoelectric materials by changes in pressure. The voltage is converted into a radio signal transmitted by an antenna. This data can be picked up by a receiver up to 20 metres away. The sensor can be used to measure tyre pressure or the temperature of cooking food. It was developed by Siemens,Munich-Perlach,Germany | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Steger, Volker / Siemens |
| Taille de l’image : | 5879 px × 4303 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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