Episode 2 of 3
Berliner Microphone Patent Filings
- When
- 1879-1880
- Where
- United States
Berliner filed multiple microphone patents in 1879, including carbon diaphragm and loose carbon rod designs, which were issued in 1880.
Emile Berliner filed U.S. patent 222,652 for a carbon diaphragm microphone in August 1879, issued in December 1879. He also filed U.S. patent 224,573 for a loose carbon rod microphone in September 1879, issued in February 1880. These filings occurred after his move to Boston in 1877.
Sources
- Emile Berliner Wikipedia, revision of 2026-09-10
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.