Search results
We did not find results for: Who invented the electret microphone?.
Check spelling or type a new query.
We did not find results for: Who invented the electret microphone?.
Check spelling or type a new query.
An electret microphone is a microphone whose diaphragm forms a capacitor (historically-termed a condenser) that incorporates an electret. The electret's permanent electric dipole provides a constant charge Q on the capacitor. Sound waves move the diaphragm, changing the capacitance C, which produces a corresponding voltage change across the capacitor of {{{1}}} Preview warning: unknown parameter "... Wikipedia