What device did Paul Langevin develop around 1917 for anti-submarine detection?

Answer

The quartz piezoelectric transducer

Paul Langevin's critical contribution to the scientific basis of ultrasound occurred around 1917 with the development of the quartz piezoelectric transducer. This device was revolutionary because it possessed the capability to both generate ultrasonic waves and subsequently receive the resulting echoes. Initially, this technology was not intended for medical diagnostics but was rather applied in a military and naval context, specifically serving as the precursor to modern sonar for anti-submarine detection. This foundational invention established the means by which high-frequency sound could be purposefully created and monitored, setting the stage for all later developments in both naval and medical acoustics.

Related Questions

What device did Paul Langevin develop around 1917 for anti-submarine detection?What clinical use did Inge Edler and Carl Hellmuth Hertz first achieve in 1953?What display mode was primary for early devices like the one used by Edler and Hertz?Which imaging mode translates echo intensity into cross-sectional visual maps?What essential physiological dimension did Doppler ultrasound add to anatomical imaging?What did John Wild in the UK develop early units capable of measuring?What technological transition made sharing ultrasound images across networks practical?Which system became the enabling technology for sharing digitized DICOM images across hospital networks?What clinical practice has been enabled by connecting ultrasound systems to remote experts?Why is connectivity essential for the smaller, handheld ultrasound units today?

inventor device connection ultrasound