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transducer |
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transducerDevice that converts one form of energy into another. For example, a thermistor is a transducer that converts heat into an electrical voltage, and an electric motor is a transducer that converts an electrical voltage into mechanical energy. Transducers are important components in many types of sensor, converting the physical quantity to be measured into a proportional voltage signal. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| A high-resolution linear array transducer of 7-13 MHz with a relatively small footprint is ideal, using acoustic gel as the couplant, but such transducers have only 4-5 cm depth of penetration. Gray-scale ultrasound (US) imaging performed with a 12-MHz linear array transducer (HDI 3000, Advanced Technologies Limited, Bothell, WA) revealed a cystic mass with multiple septae in the scrotum (Figure 1). Within the next 24-48 hours (in all cases within 72 hours), a comparative ultrasound examination was done, using either a 9- or 12-MHz linear array transducer. |
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