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US 4,912,561 AGranted
Manually scanned copying and printing machine
AssigneeSharp Kabushiki Kaisha
InventorIwakazu Honda
Life of this patent
Estimating the term…
Abstract
A printing machine comprises a platen roller opposed to a thermal head with transfer film therebetween, endless thermo-resist film extended around the platen roller and a transfer roller positioned in the printing block, and a heater provided in the vicinity of the printing block, for heating up the endless thermo-resist film.
Claims9
A manually scanned printing machine comprising:
- a housing including a reading block surface and a printing block surface, said reading block surface being located adjacent said printing block surface and further including therein respective first and second openings;
- image pick up means located in said first opening and including a reading lens thereat;
- an image transfer roller located in said second opening;
- image storing means in said housing for storing an image scanned by said image pick up means during a reading operation;
- thermal head means in said housing for receiving an image from said storing means during a printing operation;
- a platen roller opposite said thermal head means and including a section of transfer film therebetween;
- an endless length of thermal-resist film in contact with said transfer film for receiving toner and extending around said platen roller and said image transfer roller for heating up said endless thermal-resist film whereby said image is transferred to a printing medium adjacent said printing block surface due to contact with said image transfer roller;
- and
- a set of feed rollers driven by said image transfer roller and an auxiliary roller, located on opposite sides of said platen roller, for translating said transfer film and pressing said transfer film into contact with said platen roller and said thermal-resist film.
6 more elements
Dependencies are inferred from the claim text.