5 INVENTIONS THAT DIDN’T EXIST 30 YEARS AGO.ECE 100

FLOPPY DISK In 1971, IBM introduced the first "memory disk",

as it was called then, or the "floppy disk" as it is

known today.

The "floppy" was invented by IBM engineers

led by Alan Shugart.

The nickname "floppy" came from the disk's flexibility.

LIQUID CRYSTAL DISPLAY - LCDA LCD or liquid crystal display is a type of flat panel display commonly used in digital devices, for example: digital clocks, appliance displays, and portable computers.

Inventor, James Fergason holds some of the fundamental patents in liquid crystal displays.

In 1972, the International Liquid Crystal Company (ILIXCO) owned by James Fergason produced the first modern LCD watch based on James Fergason's patent.

INKJET PRINTER

The inkjet printer was invented in 1976

A type of computer printer that creates a digital image by propelling droplets of ink onto paper.

No single person was credited with the invention of inkjet printer but company manufactures like HP (Hewlett-Packard) were the ones to release them.

WALKMAN

The developers of the first Sony Walkman were Kozo Ohsone, general manager of the Sony Tape Recorder Business Division

A Sony brand tradename originally used for portable audio cassette players

On June 22 1979, the Sony Walkman was launched in Tokyo.

CD-ROM

CD-ROM was invented in 1984 by Philips and Sony,

CD-ROM, stands for Compact Disk Read Only Memory, and these curious little devices are pretty much seen everywhere today.

Used to write access amounts of information to a single disk