Incremental printing of symbolic information – Ink jet – Combined
Reexamination Certificate
1999-11-09
2001-08-07
Tran, Huan (Department: 2861)
Incremental printing of symbolic information
Ink jet
Combined
C347S108000
Reexamination Certificate
active
06270177
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to printing systems and in particular discloses a printer unit adapted to be fitted within the disk drive bay of a standard Personal Computer type system.
BACKGROUND OF THE INVENTION
Most standard personal computer type systems, for example, the IBM™ PC, various clones thereof, and equivalent types of computers manufactured by various makers include disk drive bays adapted to receive a variety of different disk type memory devices. Computers of this type are generally referred to throughout this specification as PC devices or PC's.
There are many instances where it is required to use a printer to print out information from a PC and such printers are commonly provided as separate units, connected to the PC by an appropriate cable connection, plugs and sockets. It has, however, been recognized by the inventor that there are many situations where it would be advantageous to incorporate a small and compact printer within the PC itself and that furthermore, it would be desirable to provide such printer in a modular form which would enable the printer to be engaged with the PC disk drive bay of existing PC's.
SUMMARY OF THE INVENTION
In accordance with the present invention, there is provided a printer unit incorporating a printhead, a print controller chip arranged to control the printhead, and ink and paper supply means, said printer unit being configured to fit within a personal computer type disk drive bay.
Preferably the printhead is a pagewidth inkjet printhead.
Preferably the ink and paper supply means are provided within a demountable cartridge.
Preferably the demountable cartridge is elongate in shape and adapted to be inserted into the printer unit in a longitudinal direction.
Preferably the printer unit is rotatably mounted to a sub-frame configured to fit within the disk drive bay so that the printer unit is rotatable between an operational position wherein paper from the paper supply means is adapted to be ejected from the front of the disk drive bay and a loading position wherein the demountable cartridge is adapted to be inserted longitudinally into the printer unit.
Preferably the printer unit is rotated approximately 90° between the operational position and the loading position.
REFERENCES:
patent: 5020926 (1991-06-01), Wilhelm
patent: 5909227 (1999-06-01), Silverbrook
patent: WO 96/39301 (1996-12-01), None
King Tobin Allen
Silverbrook Kia
Pham Hai C.
Silverbrook Research Pty Ltd
Tran Huan
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