Kane Kramer

Kane Kramer is a British inventor and businessman.wikipedia
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MP3 player

digital audio playerMP3 playersmusic player
He is credited with the initial invention of the digital audio player, in 1979.
In 1981, Kane Kramer filed for a UK patent for the IXI, the first Digital Audio Player.

Portable media player

media playerdigital audio playersportable media players
In 1981 Kramer filed for a UK patent for his newly conceived Digital Audio Player, the IXI.
British scientist Kane Kramer invented the first digital audio player, which he called the IXI.

IPod

iPodsApple iPodiPod Touch
In 2008, Kramer was called as a witness by Apple Inc. to defend itself from charges of patent infringement for its iPod digital audio player.
Kane Kramer applied for a UK patent for his design of a "plastic music box" in 1981, which he called the IXI.

Liquid-crystal display

LCDliquid crystal displayliquid crystal displays
The player was the size of a credit card with a small LCD screen and navigation and volume buttons and would have held data of at least 8 MB of solid state bubble memory chip with a capacity of 3.5 minutes worth of audio.

Bubble memory

magnetic bubble memory
The player was the size of a credit card with a small LCD screen and navigation and volume buttons and would have held data of at least 8 MB of solid state bubble memory chip with a capacity of 3.5 minutes worth of audio.

Paul McCartney

McCartneyPaulSir Paul McCartney
His first investor was Sir Paul McCartney.

The Guardian

GuardianThe Manchester GuardianManchester Guardian
In a 2004 interview with The Guardian, Kramer stated that the company at the time had "orders worth £60,000,000" (value at current day) for the device from the recording industry.

Apple Inc.

AppleApple ComputerApple Computer, Inc.
In 2008, Kramer was called as a witness by Apple Inc. to defend itself from charges of patent infringement for its iPod digital audio player.

London

London, EnglandLondon, UKLondon, United Kingdom

List of English inventions and discoveries

English inventions and discoveries
1979: Digital audio player (MP3 Player) invented by Kane Kramer (born 1956). His first investor was Sir Paul McCartney.

Kramer (surname)

Kramer
Kane Kramer (b. 1956), British inventor and businessman