| US 7,572,077 B2 | ||
| Mobile device having dual optical sensing pathways | ||
| Paul Lapstun, Balmain (Australia); and Kia Silverbrook, Balmain (Australia) | ||
| Assigned to Silverbrook Research Pty Ltd, Balmain, New South Wales (Australia) | ||
| Filed on Sep. 10, 2007, as Appl. No. 11/853,018. | ||
| Application 11/853018 is a continuation of application No. 11/124153, filed on May 09, 2005, granted, now 7,284,921. | ||
| Prior Publication US 2008/0030529 A1, Feb. 07, 2008 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. B41J 3/36 (2006.01) | ||
| U.S. Cl. 400—88 [347/107; 341/13] | 15 Claims |

| 1. A mobile device comprising:
a printhead for printing onto a print medium;
a media path for directing the print medium past the printhead for printing;
an optical sensor;
a first optical pathway for directing first optical image information to the optical sensor from print medium within an area
of the media path; and
a second optical pathway for directing second optical image information to the optical sensor from print medium within an
area external to the mobile device.
|