Photocopying – Projection printing and copying cameras – With developing
Patent
1990-01-30
1990-12-11
Hix, L. T.
Photocopying
Projection printing and copying cameras
With developing
355 77, G03B 2732
Patent
active
049774379
ABSTRACT:
An image recording apparatus for recording an image of an original on a developer sheet with the use of a microcapsule, in which the developer sheet and the microcapsule sheet having a surface coated with immense number of photosensitive and pressure-rupturable microcapsules are subjected to pressure development by a pair of pressurizing rollers. To ensure that the pressure development is performed under the condition where the developer sheet and the microcapsule sheet are superposed one on the other, the nip and retract timings of the pressurizing rollers are determined properly according to the present invention. For example, the developer sheet is conveyed at a speed asynchronous with the microcapsule conveying speed and the conveyance of the developer sheet is stopped after its leading edge is introduced between the rollers held in spaced apart condition. The rollers are brought to the nip position to thereby start the pressure development when the exposure start line on the microcapsule sheet is in alignment with the leading end of the developer sheet. The retract timing is determined, for example, depending upon the size of the developer sheet.
REFERENCES:
patent: 4920375 (1990-04-01), Akao et al.
Akao Michitoshi
Asai Shin
Izaki Takesi
Katoh Tokunori
Morisaki Hiroshi
Brother Kogyo Kabushiki Kaisha
Dang Khanh
Hix L. T,.
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