This allowed the phototypesetter to be available through the 1980s.

C/A/T is a highly addressable phototypesetter with full optics control from computer-generated data.

The C/A/T phototypesetter has the following features:

The phototypesetter was then known as the Wang Graphic Systems C/A/T.

Linotype-Paul Ltd of Cheltenham, Gloucestershire for their digital phototypesetter.

This phototypesetter, along with troff software for UNIX, revolutionized the typesetting and document printing industry.

When they got a Graphic Systems CAT phototypesetter, Ossanna wrote a version of nroff that would drive it.

The last phototypesetter designed and produced by ATF was the Photocomp 20, so named because of its rated speed of twenty 11-pica newspaper lines per minute.

Unfortunately, Ossanna's troff was written in PDP-11 assembly language and produced output specifically for the CAT phototypesetter.

The phototypesetter produces an image on photographic paper, using a narrow beam of light, in a manner similar to the operation of a cathode ray tube in a television set.

The Compugraphic MCS (Modular Composition System) with the 8400 typesetter is an example of the CRT phototypesetter.

The GSI C/A/T (Computer Assisted Typesetter) is a phototypesetter developed by Graphic Systems in 1972.

It includes displays of the 20th-century inventions, Higonnet and Moyroud's Lumitype-Photon phototypesetter and the BBR system of computer typesetting.

The GSI C/A/T phototypesetter was marketed by Singer Corporation in 1974 before the company was purchased by Wang Laboratories in 1978.

The system is designed for fairly low volumes so it is more suited to an art studio than in-plant work but many companies already use it instead of a phototypesetter for much of their origination.

Prepared by a computer, a tape would be fed into a phototypesetter, which would imprint type from a strip of film onto Kodak-made Ektamatic (light-sensitive) paper, which would then be used for paste up.

One of the great strengths of the Apple system in this respect is that the files produced on a Macintosh can be proofed on a LaserWriter and then run out, with no changes needed, on a true phototypesetter such as the Linotron 101.

Once again the Macintosh has the upper hand with its graphics capability but for much of this market WYSIWYG is irrelevant, the trained operator 'knows' what's going to happen to the text when it is run out on the page printer or phototypesetter.

During the mid-1970s Joseph Ossanna, working at Bell Laboratories, wrote the troff typesetting program to drive a Wang C/A/T phototypesetter owned by the Labs; it was later enhanced by Brian Kernighan to support output to different equipment such as laser printers and the like.

Typesetters used a machine called a phototypesetter, which would quickly project light through a film negative image of an individual character in a font, through a lens that would magnify or reduce the size of the character onto photographic paper, which would collect on a spool in a light-tight canister.

The Macintosh area of origination and the colour scanner area of graphic reproduction are increasingly converging due to the introduction to the former of high-resolution scanners, a colour laser printer, an on-line phototypesetter (Linotronic) capable of directly producing colour separations (film), and software permitting extensive manipulation of captured images.