transducer

/trænzˈdjuːsə(r)/ (bre, ipa) · [trænsdˈusɚ] /trænzˈduːsər/ (ame, ipa) · [trænsdˈusɚ] /tran(t)s-ˈdü-sər How to pronounce transducer (audio) tranz-,  -ˈdyü-/ (ame, mw)

transducer — noun

  • transducersingular
  • transducersplural

1. A device that takes energy in one form — for example sound, light, heat, or pres

1.名詞C1
釋義

A device that takes energy in one form — for example sound, light, heat, or pressure — and changes it into a different form, most often an electrical signal.

例句

The microphone in Tamás's headset is a transducer, turning his voice into electrical signals.

microphone as sound→electrical transducer

Ultrasound equipment uses a transducer to send sound waves into the body and detect echoes.

ultrasound transducer sends and receives sound waves

同義詞
  • converter

    Broader term; can refer to any device that changes something, such as a currency converter or a power converter, not limited to energy-form conversion.

  • sensor

    Overlaps in meaning but focuses on detecting and measuring rather than converting energy between forms; however, many sensors are technically transducers.

用法筆記

Common in engineering, physics, and medical-imaging contexts. The term does not specify which direction the energy conversion goes — for example, both a microphone (sound to electrical) and a loudspeaker (electrical to sound) are transducers.

常見錯誤

❌We installed a transducer to measure the room temperature.
✅We installed a temperature sensor to measure the room temperature.
💡A sensor detects a quantity; a transducer converts energy between forms. A 'temperature transducer' is technically correct, but 'temperature sensor' is more natural for measurement tasks.
❌A microphone is a transducer that turns electrical signals into sound.
✅A loudspeaker is a transducer that turns electrical signals into sound.
💡Microphones convert sound into electrical signals, not the other way around.