The Graying of Bell’s Telephone Patent: Part I

As Audiologists we are interested in how voices are transmitted.  Back in the day before the telephone there were numerous individuals vying to be the first to transmit voice over a wire.  Of course when asked “who invented the telephone”, the “pat answer” is and has always been Alexander Graham Bell.  Its much like the answer to…

Read More

The Road to the Vacuum Tube Hearing Aid

As we saw last week at Hearing international, the road to a working portable electric hearing instrument involved a series of inventions such as the telephone and the carbon microphone before Miller Reese Hutchinson put the parts together and presented the world with a working electronic hearing device.  Recall that the carbon microphone was invented in 1878 and by 1896…

Read More