Writing method for ink jet printer using electro-rheological fluid and apparatus thereof
AssigneeSamsung Electronics Co., Ltd.
InventorSang-suk Sohn
Life of this patent
Estimating the term…
Abstract
A writing method is disclosed for an ink jet printer using an electro-rheological fluid wherein an electro-rheological fluid reservoir is provided in between static pressure tubes circuitously communicating with a larger-diameter portion and a smaller-diameter portion of a venturi tube. The pressure difference created in the venturi tube forces the injection of the electro-rheological fluid, and a writing potential is applied to the exit of the static pressure tubes from which the electro-rheological fluid is ejected so as to control the ejected amount.
Claims8
A writing method for an ink jet printer using an electro-rheological fluid which ejects the electro-rheological fluid so as to write images on paper, said method comprising:
- (a) providing an electro-rheological fluid reservoir between static pressure tubes circuitously communicating with a larger-diameter portion and a smaller-diameter portion of a venturi tube on which a predetermined pressure acts;
- (b) creating a pressure difference in said venturi tube which can force the ejection of said electro-rheological fluid;
- and
- (c) applying a writing potential to the exit of said static pressure tubes from which said electro-rheological fluid is ejected so as to control the ejected amount.
A writing apparatus for an ink jet printer using an electro-rheological fluid so as to write images on paper, said apparatus comprising:
- (a) means for producing pressure;
- (b) a venturi tube which has a larger section at an entrance thereof and a smaller section at an exit thereof so as to produce the pressure difference at the entrance and exit by said pressure producing means;
- (c) static pressure tubes circuitously communicating with the larger section and smaller section of said venturi tube;
- (d) an electro-rheological fluid reservoir installed in between said static pressure tubes;
- and
- (e) ink valving means for controlling the flow of ink at the exit of said static pressure tube.
Dependencies are inferred from the claim text.