A Timeline of Communication Applications

CD ROM - 1985

The CD was first invented in 1926, however was denied opulence due to the gramophone-type wax disc was unsuitable. Short for Compact Disc-Read Only Memory, at the beginning of manufacturing it was impossible for anything to be recorded onto the disc.

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Mini Disc - 1992

The Mini Disc allows you to record, where as before the CD was unable to give you this. It uses ATRAC (Adaptive Transform Acoustic Coding).

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Betacam - 1982

DigiBeta was the most professional transmit digital recording video tape format used. At first development, the Betacam was used to broadcast activities and people for television news. They are still used throughout today, however are not as common since new technology has come about.

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Microcassette Recorder - 1969

Used thinner tape than the original and half (to a quarter) speed time than the original compact cassette, it can still hold up just as much recording length. Three different devices are used to store microcassette's. Olympus SR-11 model only lasted 2 years on the market, due to the battery deficiency.

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Jog-Dial VCR Remote - (1990's)

The spinner on the remote allowed people to flip or 'jog' through video and audio media. It was the small dial on the bottom of the remote, and was most used throughout the 1990's. 
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Super-8 Film - 1965

This film made it easier for aspiring artists or proud parents to make their own home movies. It only had enough film to make a three minute length movie, however the footage is often described as soft, grainy, and colourful.

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Dial-Up Modem - 1958

A networking hardware device that modulates wave forms to convert digital information for communication, and demodulates signal to convert the transmitted. Since recent years, the use for dial-up has declined. 
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4.5" Floppy Disk - (Late 1960's)

Used mostly in the mid 1970's- late 2000's, before advance technology took over. The floppy disk was able to create backup for home computers, as well as transfer data and distribute data. Other devices (such as USB's) can store more data than the floppy disk.

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Hi8 Video Camera - 1989

The Hi8 has higher quality than that of a VHS and Video8, but is still lower than a S-VHS. The bandwidth (parameter of signal processing) of the luminescence signal is increased, with a resolution of 400 lines reach, where as in the VHS and Video8 it is only 250 lines.

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Rotary Phone - 1904

The rotary phone uses pulse dialing, and transmits the destination telephone number to a telephone exchange. The dial is used by rotating your finger around within the digits of the circular wheel until the fixed stop position. Each of the ten digits has a pulse signal, encoded signals of up to ten pulses.
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