Original Telephone
- Invented on March 10 1876
- First words spoken through electricity
- Invented by Alexander Graham Bell
- Revolutionised the world by the era of the telephone
- First words spoken through electricity
- Invented by Alexander Graham Bell
- Revolutionised the world by the era of the telephone
Candlestick Telephone
- Popular in the 1890s to 1930s
- Separated into two pieces; mouth and receiver
- Popularity decreased when manufacturers started combining pieces
- Separated into two pieces; mouth and receiver
- Popularity decreased when manufacturers started combining pieces
Rotary Telephone
- Popular after 1930s candlestick telephone
- To dial; had to rotate the dial to the number you wanted
- Long process to dial numbers
- Popularity decreased as Push Button Telephones gained popularity
- To dial; had to rotate the dial to the number you wanted
- Long process to dial numbers
- Popularity decreased as Push Button Telephones gained popularity
Push-Button Telephone
- In 1963, AT&T introduced Touch-Tone which allowed you to use a keypad
- Each key would transmit a certain frequency
- Signals to the operator which number you wanted to call
- Make free long distance calls
- Each key would transmit a certain frequency
- Signals to the operator which number you wanted to call
- Make free long distance calls
Portable Phones
- Beginning in the 1980s, could talk anywhere in your house
- No longer physically attached to base station
- Talk on phone anywhere in the world
- No longer physically attached to base station
- Talk on phone anywhere in the world