The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2002
Filed:
Nov. 08, 2000
Ravi Sharma, Fairport, NY (US);
Kwok L. Yip, Webster, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A fluid pump, such as a print head, includes an ink channel having a nozzle and at least one wall having a flexible portion. A deforming member made of a viscoelastic material is coupled to the flexible portion and a charge mechanism is coupled to the deforming member to apply a spatially varied charge pattern to the deforming member when activated. Activation of the charge mechanism causes deformation of the deforming member and the flexible portion to reduce the volume of the ink channel and eject a droplet of ink out of the ink channel. The charge mechanism can include a photoelectric material and a radiation source or an electrode coupled to a source of electric power.