Modern technology offers wide ranges of benefit for human beings. Thanks to advanced technology achievements, the whole world in living in a global village where nations are interlinked together. A lot of gadgets have been introduced to even replace the missing parts of human bodies. People can control a robot to perform humans’ tasks. In the field of medicine, technology led to useful medical application like X-rays which shows how the inner parts of body works.
Most importantly, people worldwide can enjoy the comforts provided by technology developments. 3-D film is a vivid example. The motion pictures in three-dimensional film enhances the illusion of depth perception, give audiences real and innermost emotions. Needless to say, all modern inventions have origin versions to start with.
Analog television encodes pictures and sounds and transmits them as an analog signal. Analog television broadcasting was aborted on June 12, 2009 in the United States with the replacement of digital terrestrial television or digital-only broadcasting.
Alexander Graham Bell and his then-assistant Charles Sumner Tainter invented the optional telephone in 1880. The device offered transmission of conversations using nothing more than a beam of light over 700 feet distance.
Zenith’s Flashmatic remote control
Zenith Electronics Corporation developed the first TV remote control in 1950. The control, also known as “Lazy Bones”, used a cable that connected the TV set and the remote machine.
Sony Betamax VCR
The ancient home VCR – the Philips Video Cassette Recording system – was released in 1972. However, it was not until 1975 that Sony\’s Betamax became widely available.
The first idea of CBS Color Television began in the belated honeymoon of Goldmark and his bride. He had the inspiration for color movies from the beauty and richness of Technicolor movie, “Gone with the Wind”. In June 1940, the first still pictures were showed by a color slide on a 5-inch color monitor.
Laserdisc technology first appeared in 1958 by David Paul Gregg. In 1969, Philips and MCA made a great distribution to the invention by developing the videodisc in reflective mode.
Gameshow “TV Powww”
Los Angeles station KABC-TV released TV POWWW format in 1978. In 1979, the television show was seen regularly on 79 local television stations in the United States.
Radio offers the ways to transmit signals by modulation of electromagnetic waves with frequencies below those of visible light. Radio can transform electric current in the conductor into sound or other signals that carry information.
Videoconferencing is the technology that brings people from different places to a meeting together. Beside audio and visual transmission of the meeting, videoconferencing also allows people to share documents by computer-displayed and whiteboards.
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