Laboratory standard microphone (IMAGE)

National Institute of Standards and Technology (NIST)

Laboratory standard microphone

Caption

A laboratory standard microphone (three-banded gold and silver cylinder, top) sits on a base. During a laser measurement, applying an electrical signal causes the microphone’s diaphragm to vibrate.

Credit

NIST

Usage Restrictions

n/a

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.