


A camera phone is a mobile phone which is able to capture either still photographs or video. Since early in the 21st century the majority of cameras and of mobile phones in use are camera phones. Most camera phones are simpler than separate digital cameras. Their usual fixed focus lenses and smaller sensors limit their performance in poor lighting, and most have a long shutter lag. Many lack a USB connection, removable memory card, or other way of transferring their pictures more quickly than by the phone's inherent communication feature. Some of the more expensive camera phones have only a few of these technical disadvantages, which in any case have not inhibited their widespread use.
The camera phone, like many complex systems, is the result of converging and enabling technologies. There are dozens of relevant patents dating back as far as the 1960s.Fact: date=April 2009 Compared to digital cameras of the 1990s, a consumer-viable camera in a mobile phone would require far less power and a higher level of camera electronics integration to permit the miniaturization. The CMOS active pixel image sensor "camera-on-a-chip" developed by Dr. Eric Fossum and his team Fact: date=April 2009in the early 1990s achieved the first step of realizing the modern camera phone as described in a March 1995 Business Week article.Fact: date=April 2009 While the first camera phones, as successfully marketed by J-Phone in Japan, used CCD sensors and not CMOS sensors, more than 90% of camera phones sold today use CMOS image sensor technology.Fact: date=April 2009
Over the years there have been many videophones and cameras that include communications technologies. None of them had focused on the integration with the wireless Internet which would allow instant media sharing with anyone anywhere. Such experiments included, for example, a device that was known as the Apple Videophone/PDA in 1995.. There were several digital cameras with cellular phone transmission capability shown by companies such as Kodak, Olympus in the early 90s There was also a digital camera with cellular phone designed by Shosaku Kawashima of Canon in Japan in May 1997.
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