Boots – shoes – and leggings
Patent
1990-12-24
1992-03-10
Evans, Arthur G.
Boots, shoes, and leggings
364930, G06H 1500
Patent
active
050954490
ABSTRACT:
A computer printer font cartridge expansion module having i) a connector to couple to a printer font data bus receptacle, ii) a receptacle for accepting a font cartridge, and iii) ROM for storing character information to provide additional font capability when the assembly formed by a font cartridge and an expansion module is plugged into a computer printer. The printer font data bus is extended through the expansion module to the attached font cartridge. The addresses of the ROM in the expansion module are in a block of addresses at the top of the range of addresses addressable by the font data bus. Alternatively, switching means are provided for switching the printer font data bus between the expansion module and an attached font cartridge. Also provided are securing means for attaching a font cartridge to the expansion module. The securing means comprises a pair of spring steel strips, one end of each bearing on a ramped finger actuated slide button, and the other end being sharpened and made to bear against the interior of the font cartridge by the action of the ramp.
REFERENCES:
patent: 4660999 (1987-04-01), Tsuneki
patent: 4826332 (1989-05-01), Ukai et al.
patent: 4908637 (1990-03-01), Chung et al.
Epstein Saul
Evans Arthur G.
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