Who Invented Laser Printer

Designed for data centres the ibm 3800 replaced line printers and was capable of a high volume of printing offering speeds of.

Who invented laser printer.

The typewriter was considered a precursor to printers and keyboards was invented by christopher sholes in 1868. Our company s first laser printer. Woolworth s north american data center in milwaukee wisconsin in 1976 the ibm 3800 printing system was the industry s first high speed laser printer. According to ibm the very first ibm 3800 was installed in the central accounting office at f.

Researcher gary starkweather is credited with its research and development and by the year 1971 he had brought into being a fully functional networked printer system. Soon after he transferred to xerox palo alto research center parc and developed a prototype for the xerox 9700. The laser printer was invented at xerox in 1969. Maiman at hughes research laboratories based on theoretical work by charles hard townes and arthur.

Laser printing is an electrostatic digital printing process. In 1938 the american physicist and inventor chester carlson 1906 1968 see the nearby image invented a dry printing process called later xerography the word comes from the greek for dry writing the foundation technology for copiers and laser printers to come carlson applied for patent in 1939 and in 1942 the patent was granted us patent 2297691. The first laser was built in 1960 by theodore h. This machine later became the xerox 9700 laser printer.

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation the term laser originated as an acronym for light amplification by stimulated emission of radiation. We know laser printing best because we invented it. It produces high quality text and graphics and moderate quality photographs by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a drum to define a differentially charged image. The few people who did made hardcopies printouts with dot matrix printers these relatively slow machines made a characteristically horrible screeching noise because they used a grid of tiny metal needles pressed against an inked ribbon to form the shapes of letters numbers and symbols.

It was a laser printer that operated at speeds of more than 100 impressions per minute. Who invented laser printers. We invented laser printing. The drum then selectively collects electrically charged powdered ink and transfers the image to paper which.

The first high speed printer was developed by remington rand in 1953. Specifically gary starkweather invented the laser printer in 1969 at the xerox research lab in webster new york. Until the early 1980s hardly anyone had a personal or office computer. The earliest model was based on the company s own xerographic copiers and was modified according to the requirements of a printer.

Charles babbage designed the first mechanical printer in the 1800s for use with the difference engine that he also developed in 1822. The original laser printer was known as ears and was completed in palo alto california.