| US 7,601,999 B2 | ||
| Method and apparatus for reading signals through a line | ||
| Sandor L. Barna, Pasadena, Calif. (US); and Giuseppe Rossi, Pasadena, Calif. (US) | ||
| Assigned to Aptina Imaging Corporation, Grand Cayman (Cayman Islands) | ||
| Filed on Jul. 26, 2005, as Appl. No. 11/189,017. | ||
| Application 11/189017 is a continuation of application No. 10/216248, filed on Aug. 12, 2002, granted, now 6,927,434. | ||
| Prior Publication US 2006/0023972 A1, Feb. 02, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. H01L 31/062 (2006.01); H01L 31/00 (2006.01) | ||
| U.S. Cl. 257—292 [257/291; 257/443; 257/445; 257/E31.097] | 13 Claims |
| 9. An image sensor comprising:
a pixel array having at least one column line for reading out a signal from at least one pixel;
a compensating circuit coupled to said at least one column line for sensing a first current value on said column line and
for supplying a compensating current to said column line so as to reduce an adverse effect of said first current when said
at least one pixel is being read out.
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