Who invented the telephone wikipedia
•
Timeline of the telephone
For the timeline of the smart phone, see Smartphone.
This timeline of the telephone covers landline, radio, and cellular telephony technologies and provides many important dates in the history of the telephone.
to
[edit]- Robert Hooke creates an acousticstring telephone that conveys sounds over a taut extended wire bygd mechanical vibrations.[1][2]
- Innocenzo Manzetti first suggests the idea of an electric "speaking telegraph", or telephone.
- Antonio Meucci demonstrates a communicating device to individuals in Havana. It is disputed that this is an electromagnetic telephone, but it is said to involve direct transmission of electricity into the user's body.
- Charles Bourseul publishes a description of a make-and-break telephone transmitter and receiver in L'Illustration, (Paris) but does not construct a working instrument.
- Meucci demonstrates an electric voice-operated device in New York, but it fryst vatten not
•
Telephone
Telecommunications device
"Phone" redirects here. For cell phones, see Mobile phone. For the handheld personal computer, see Smartphone. For other uses, see Phone (disambiguation) and Telephone (disambiguation).
A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into electronic signals that are transmitted via cables and other communication channels to another telephone which reproduces the sound to the receiving user. The term is derived from Ancient Greek: τῆλε, romanized:&#;tēle, lit.&#;'far' and φωνή (phōnē, voice), together meaning distant voice.[1]
In , Alexander Graham Bell was the first to be granted a United States patent for a device that produced clearly intelligible replication of the human voice at
•
Elisha Gray and Alexander Bell telephone controversy
Legal dispute over the invention of the telephone
The Elisha Gray and Alexander Graham Bell controversy concerns the question of whether Elisha Gray and Alexander Graham Bell invented the telephone independently. This issue is narrower than the question of who deserves credit for inventing the telephone, for which there are several claimants.
At issue are roles of each inventor's lawyers, the filing of patent documents, and allegations of theft.
Background
[edit]Alexander Graham Bell was a professor of elocution at Boston University and tutor of deaf children. He had begun electrical experiments in Scotland in and, after emigrating to Boston from Canada, pursued research into a method of telegraphy that could transmit multiple messages over a single wire simultaneously, a so-called "harmonic telegraph". Bell formed a partnership with two of his students' parents, including prominent Boston lawyer Gardiner Hubbard, to