ION writing unit with heating
AssigneeHewlett-Packard Development Company, L.P.
InventorsNapoleon J Leoni, Henryk Birecki, Richard Fotland, Omer Gila
Life of this patent
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Abstract
An ion writing unit includes a housing, an electrode assembly, and a heating mechanism. The housing includes a chamber at least partially containing an ion generator. The electrode assembly includes an array of electrode nozzles on one exposed exterior surface of the housing and aligned to receive and guide generated ions. The heating mechanism applies heat to at least one of the chamber and at least a portion of the array of electrode nozzles.
Claims15
An ion writing unit comprising:
- a housing including a chamber at least partially containing an ion generator;
- an electrode assembly including an array of electrode nozzles on one exposed exterior surface of the housing and aligned to receive and guide generated ions;
- and
- a heating mechanism to heat at least one of:
- the chamber;
- and
- at least a portion of the array of electrode nozzles,
- wherein the heating mechanism is separate from, and independent of, the ion generator.
An e-paper writing unit comprising:
- a housing including a shell containing a tube spaced apart from a wall of the shell, the tube at least partially enclosing a corona wire to generate an ion flow;
- a first layer of selectively activatable ring electrodes on one exposed exterior surface of the housing and aligned with the corona wire to receive and direct the positive ion flow;
- and
- a heating element coupled to at least one of the tube and the first layer of ring electrodes.
A method of manufacturing comprising:
- providing an ion generator including housing having a chamber that at least partially encloses a corona wire;
- arranging an array of ring electrodes to be exposed on an exterior surface of the housing and aligned to receive and guide ions generated by the corona wire toward a passive e-paper external of the housing;
- arranging a heating mechanism to heat at least one of the chamber and the ring electrodes;
- arranging a biasing mechanism to be releasably couplable to, and electrically bias, the passive e-paper;
- and
- coupling a controller to the heating mechanism to cause heating at least when the biasing mechanism is active.
Dependencies are inferred from the claim text.