Image forming apparatus having detachably installed bit image forming unit

U.S. Patent Number: 5394514

Abstract: A data processing apparatus having an interface means for fetching a signal from an external device outside the processing apparatus, a CPU connected to the interface means, a data bus, connected to the interface means and the CPU, for exchanging data therebetween, a ROM, connected to the data bus, for storing a character code, and a RAM, connected to the data bus, for storing and reading out the character code, is characterized in that bit image data corresponding to the character code is developed and stored in the RAM by means of the CPU, the data bus, the ROM, and the RAM, and is output to an external device.

Inventors: Matsubara; Toshio (Tokyo, JP)

Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP)

Application Number: 08/087,896

Issued: 1995-02-28

Expired: 2007-02-28

Classes: 358/1.16 ; 358/1.11

Field of search: 395/110,115,116,163,112,164,500,101 358/404,444 400/67,61,62,76

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