Output apparatus

Details Output apparatus Output apparatus

1994-05-23

1996-05-28

Nguyen, Phu K.

G06F 1520

Patent

active

055220282

ABSTRACT:
An output apparatus for receiving code data from a data source of a host computer and developing it into pattern data and outputting the data. The apparatus includes a pattern generator to generate pattern data; a memory to store the pattern data generated by the pattern generator and obtained in response to an output operation as a font cache; and a controller for controlling the memory such that when an amount of available memory is less than an amount sufficient to store data which is newly input and which has higher priority of storage than the pattern data stored in the cache, the stored pattern data is deleted and the newly input data is stored. An auxiliary character font, form data, or a macro instruction is used as data which is newly input. The pattern data of the font cache in the memory is deleted on the basis of the priority. The pattern data is a dot matrix font pattern which was developed from a nondot matrix font.

REFERENCES:
patent: 4928243 (1990-05-01), Hodges et al.
patent: 4941107 (1990-07-01), Hasebe
patent: 5001653 (1991-03-01), Buchanan et al.
patent: 5029109 (1991-07-01), Ikenoue et al.
patent: 5044790 (1991-09-01), Kawamura
patent: 5051925 (1991-09-01), Kadono et al.
patent: 5142620 (1992-08-01), Watanabe et al.
"Method for Providing Subfont Caching in Hidden Refresh Buffer Space", in IBM Technical Disclosure Bulletin, vol. 29, No. 12 (May 1984), p. 5332.

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