Search results
A telephone, colloquially referred to as a phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly.
Landline phones come with many facilities such as caller ID, answering machine, speaker, adjustable handset volume, and polyphonic ringtones. Landline phone prices vary from brand to brand. Prices also vary based on the functionalities the phone offers.
Telephone - Buy Telephone Online at India's Best Online Shopping Store. Check Telephone Prices, Ratings & Reviews at Flipkart.com. Free Shipping Cash on Delivery Best Offers.
Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in use.
The transmission of speech long predates Alexander Graham Bell’s telephone of 1876, as makeshift instruments such as pipes or cones were used to project a voice over greater distance. But the...
This history of the telephone chronicles the development of the electrical telephone, and includes a brief overview of its predecessors. The first telephone patent was granted to Alexander Graham Bell in 1869.
In the 1870s two American inventors, Elisha Gray and Alexander Graham Bell, each independently, designed devices that could transmit speech electrically. Gray’s first device made use of a harmonic telegraph, the transmitter and receiver of which consisted of a set of metallic reeds tuned to different frequencies.
telephone, Instrument designed for simultaneous transmission and reception of the human voice. It works by converting the sound waves of the human voice to pulses of electric current, transmitting the current, and then retranslating the current back to sound.
Jun 30, 2022 · In our new video series, Ingenious, Susannah Carroll and Trace Dominguez look at the history of many inventions that have changed our world – including the telephone. Most people know Alexander Graham Bell as the inventor of the telephone, but there is so much more to that story.
Jul 29, 2023 · An easy-to-understand introduction to how telephones and telephone exchanges work, with photos showing what's inside a typical phone.
