Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate
2002-01-09
2004-06-15
Manuel, George (Department: 3762)
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
Reexamination Certificate
active
06749301
ABSTRACT:
FIELD OF THE INVENTION
The following invention relates to a device having an in-built image sensor and an internal print engine. More particularly, the invention relates to an ophthalmoscope having an internal printer.
Conventional ophthalmoscopes include a lens associated with an eyepiece through which a general medical practitioner, optometrist or ophthalmologist might view the interior of a patient's eye. Such devices also include a battery-operated light source to illuminate the inside of the eye for viewing.
It would be beneficial if a permanent graphic record of the appearance of the inside of the eye could be provided inexpensively and instantaneously. This might be achieved by a hand-held ophthalmoscope having an internal printer adapted to print a graphic image of the retina for example as observed with the ophthalmoscope.
DISCLOSURE OF THE INVENTION
There is disclosed herein a hand-held ophthalmoscope having a built-in printer for printing a graphic image of the inside of the eye as received by the ophthalmoscope.
Preferably the printer is built into a handle of the ophthalmoscope.
Preferably the ophthalmoscope includes an image sensor associated with a print engine controller which controls a print head.
Preferably associated with the image sensor and print engine controller is a micro-control circuit adapted to control a motor driver for print media transportation and a motor driver for operation of a guillotine motor for severing a printed image from a roller of print media.
Preferably associated with the print engine controller is an image memory.
Preferably the print head is a monolithic pagewidth print head.
Preferably the print head is an ink jet print head.
Preferably the ophthalmoscope includes a light source for illuminating the interior of a patient's eye.
Preferably the printer includes a print engine assembly comprising first and second sub-assemblies, the first sub-assembly incorporating an ink source and print media and the second sub-assembly incorporating a print head.
REFERENCES:
patent: 5528323 (1996-06-01), Fujieda et al.
patent: 5861939 (1999-01-01), Heacock
patent: 6305770 (2001-10-01), Silverbrook
Lee Janette Faye
Silverbrook Kia
Manuel George
Silverbrook Research Pty Ltd
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