2025年1月13日 · Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device …

TELEPHONE meaning: 1 : a system that uses wires and radio signals to send sounds (such as people's voices) over long distances phone; 2 : a device that is connected to a telephone …

The telephone is a very common device for communicating over a distance. With a telephone, a person can talk almost instantly with someone on the other side of the world.…

PHONE meaning: 1 : telephone : such as; 2 : a system that uses wires and radio signals to send people's voices over long distances

2025年1月26日 · mobile telephone, portable device for connecting to a telecommunications network in order to transmit and receive voice, video, or other data. Mobile phones typically …

2025年1月27日 · A cell phone is a wireless telephone that permits telecommunication within a defined area that may include hundreds of square miles, using radio waves in the 800–900 …

Any modern telephone device consists of a means of transmitting and receiving sound; a push-button mechanism for selecting numbers and letters; an antenna or cord connection; and, in …

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, …

CELL PHONE meaning: a small telephone that people can take with them and use outside their homes

2025年1月13日 · Telephone - Signaling, Communication, Networks: A major component of any telephone system is signaling, in which electric pulses or audible tones are used for alerting …