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Mar 26, 1551
Girolama Cardano's Discovery
A philosipher by the name of Girolama Cardano wrote about how one could hear a sound transmitted through a shaft that is held between a person's teeth -
First book on sign language
Giovanni Bonifacio published the first book on sign language. Of the Art of Signs -
First deaf school
Thomas Braidwood opens the first deaf-only school in Britain which is later closed, but then refounded in London -
Italy's first deaf school
Abba Silvestri founded Italy’s first deaf school in Rome -
The oversized toothpick attempt
Jean Marie Gaspard Itard develops a hearing device that is basically a giant toothpick the user holds in between their teeth and the person talking to them holds the other end between their teeth. -
Early take on the hearing aid
A scientist named Enoch Currier invented a device called the Duplex earpiece, a hearing device that uses a tube with two bells at the end so that the user can hear his/her own voice as well as their teacher -
Hearing aids first mass produced
Siemens wass the first company to start manufacturing hearing aids in this year -
Oticon releases the worlds first automatic hearing aid
In 1991 in Denmark, Oticon, now the world's second largest hearing aid manufacturer, released the first automatic hearing aid complete with volume control. It was called the MultiFocus -
Oticon comes up with the first RITE
Oticon releases the Delta, the first reciever-in-the-ear hearing aid the world has ever seen. -
Flutter uses robitcs to deliver information about sounds around you
Flutter, a dress with many robotic flaps on it, uses robotics to move the flaps so that sound about your auditory envioronment are delivered to your ears.
