|
|
|
亞歷山大‧葛拉罕‧比爾 (Alexander
Graham Bill) 在1880年6月3日發明了光影電話 (photophone)
你可能知道電話是用電來傳遞聲音通訊。但是,你可能不知道發明電話的人,也就是亞歷山大‧葛拉罕‧比爾 (1847-1922) 還有另外一項用光線來傳遞聲音的發明。他把這項發明稱為
光影電話。
You may know that a telephone uses electricity to send voice communications. However, you may not know that the man who invented the telephone, Alexander Graham Bell (1847-1922) had another invention that used light to transmit sound. He called it the
photophone.
1/3 頁
|