Apple is working on technology for upcoming cameras in iPhones, iPod touches, probably the iPad and perhaps other devices. A patent (number 20100238344) for an electronic device having a camera flash redirector has appeared at the US Patent & Trademark Office.
An electronic camera device has an imaging sensor to capture an image of a scene, a flash to illuminate the scene for capture by the sensor, and an evaluator to detect a condition in the scene. A redirector shifts the peak of a spatial energy profile of light from the flash. The peak is shifted from being aimed at one region in the scene to being aimed at another region in the scene, in response to the evaluator having detected the condition in the scene. Other embodiments are also described and claimed in the patent. The inventor is Richard Tsai.
Here's Apple's background and summary of the invention: "In photography, there has been recognized the need for providing flash illumination, at an angle that is...| Read more »