<P> External cameras for thermal imaging also became available in late 2014 . </P> <P> 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 1956 . Compared to digital cameras, 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 . </P> <P> The CMOS active pixel sensor "camera - on - a-chip" developed by Eric Fossum and his team in the early 1990s achieved the first step of realizing the modern camera phone as described in a March 1995 Business Week article . While the first camera phones (e.g. J - SH04), as successfully marketed by J - Phone in Japan, used charge - coupled device (CCD) sensors and not CMOS sensors, more than 90% of camera phones sold today use CMOS image sensor technology . </P> <P> Over the years there have been many videophones and cameras that have included communication capability . Some devices experimented with integration of the device to communicate wirelessly with Internet, which would allow instant media sharing with anyone anywhere . For example, in 1995 Apple experimented with the Apple Videophone / PDA . There were several digital cameras with cellular phone transmission capability shown by companies such as Kodak, Olympus in the early 1990s . There was also a digital camera with cellular phone designed by Shosaku Kawashima of Canon in Japan in May 1997 . In Japan, two competing projects were run by Sharp and Kyocera in 1997 . Both had cell phones with integrated cameras . However, the Kyocera system was designed as a peer - to - peer video - phone as opposed to the Sharp project which was initially focused on sharing instant pictures . That was made possible when the Sharp devices was coupled to the Sha - mail infrastructure designed in collaboration with American technologist Kahn . The Kyocera team was led by Kazumi Saburi . In 1995, work by James Greenwold of Bureau Of Technical Services, in Chippewa Falls, Wisconsin, was developing a pocket video camera for surveillance purposes . By 1999, the Tardis recorder was in prototype and being used by the government . Bureau Of Technical Services advanced further by the patent No . 6,845,215, B1 on "Body - Carryable, digital Storage medium, Audio / Video recording Assembly". </P>

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