2025年2月28日 · Videophone, device that simultaneously transmits and receives both audio and video signals over telephone lines. In addition to the two-way speech transmission traditionally associated with the telephone, for many years there has been an interest in transmitting two-way video signals over telephone

Videotelephony (also known as videoconferencing or video calling) is the use of audio and video for simultaneous two-way communication. [1] . Today, videotelephony is widespread. There are many terms to refer to videotelephony. Videophones are standalone devices for video calling (compare Telephone).

Barely two years after the telephone was first patented in the United States in 1876 by Alexander Graham Bell, an early concept of a combined videophone and wide-screen television called a telephonoscope was conceptualized in the popular periodicals of the day.

Discover the fascinating history of videotelephony and its transformative impact on visual communication. From Bell Labs to the internet revolution, explore the birth and future of video calling.

Grandstream Networks IP Video Phone, 5-Inch Color Touch Screen, 16 SIP Lines, 802.11n Wi-Fi, Dual-port Gigabit Ethernet (GXV3350)

In 1927, videophone communication reached the popular consciousness through Fritz Lang's science fiction film Metropolis.

A video phone, also known as a videophone or visual telephone, is a communication device or technology that allows two or more people in different locations to conduct real-time audiovisual communication over a network connection.

Video phones are a great way to stay in touch with family and friends. They're also a good option for business, as they can be used to make calls from any location. Video phones are not only for personal use, though. Businesses can also benefit from the ability to make video calls.

2016年4月2日 · National Scientist Gregorio Y. Zara, a physicist, invented a device that makes it possible for two persons to see each other on a television while talking on the telephone as early as 1954. NAST is an advisory body in the Philippine government that …

2013年8月28日 · The videophone spent nearly a century as every bit as much a "technology of the future" as the flying car and the jetpack. We were always this close to making our picturephone dreams come true. And then we did, in a way no one expected.