Recorders – Record receiver deforming
Patent
1987-11-09
1989-06-13
Hartary, Joseph W.
Recorders
Record receiver deforming
346140R, G01D 1516
Patent
active
048396664
ABSTRACT:
An image forming system including a reservoir for supplying a deposition medium to a spray head. The deposition medium may include one or more of a wide variety of substances, such as ink or abrasive particles, to be deposited on a surface. In one embodiment, a controlled amount of the deposition medium is supplied from within the spray head out through an orifice in the wall of the spray head by a pneumatically driven deposition medium supply means. In another embodiment, a controlled amount of the deposition medium is drawn out of the orifice by a siphon feed means. Preferably, the system includes not only a siphon means capable of controlling the pressure in a low pressure region near the orifice and the duration in which the low pressure region is maintained, but also an independently controllable means for regulating the amount of deposition medium supplied to the orifice. An optical sensor preferably supplies a beedback signal indicative of the image being deposited on the surface for use in generating control signals for the siphon feed means or deposition medium supply means. One or more independently controllable reservoirs may be provided for supplying variable mixtures of deposition media, such as differently colored inks, to the surface. The system is capable of rapidly producing a high resolution, smooth gray scale image or a high resolution, color image having a continuous range of smoothly varying colors, by controlling the amount and composition of the deposited medium, the density of the deposited drops, the size of the deposited drops, or all of these parameters. The system is capable of depositing a wide variety of fluids or particles on a wide variety of arbitrarily oriented surfaces.
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