Recorders – Thermal recording
Patent
1989-07-21
1991-08-06
Fuller, Benjamin R.
Recorders
Thermal recording
346136, G01D 1510
Patent
active
050381555
ABSTRACT:
A recording apparatus in which a heat-sensitive sheet wound in the form of a roll is drawn out for a printing operation is improved in performance in various manners, for instance, by controlling the loading and forwarding of the heat-sensitive sheet, or by controlling the printing means such as thermal printers, or by improving sheet conveying means such as conveying rollers.
Specific features include a two sheet entry path into the recording apparatus, one for accommodating a single sheet and one for accommodating a roll of sheet material. Further, the printing units are arranged in a staggered manner in a transverse direction relative to the delivery direction of the recording material, and each of the printing units has a predetermined main scanning length. In addition, any wandering or meandering of the sheet material can be detected accurately by detecting an angle of a roller arm in contact with the upper surface of the sheet material.
REFERENCES:
patent: 4811036 (1989-03-01), Gaskill et al.
patent: 4844666 (1990-01-01), Ishikawa et al.
Kitazawa Yoshihiro
Narusawa Naoharu
Yamagishi Syoitchi
Fuji Photo Film Co. , Ltd.
Fuller Benjamin R.
Preston Gerald E.
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