曾經任職Sony近30年並在2002年離職的富田誠次郎(Seijiro Tomita)，2011年控告 Nintendo
3DS的裸眼3D技術侵害其US7,417,664號專利，根據Reuter在2013.2.26.的報導顯示，富田誠次郎委託律師認為Nintendo推出具備裸視3D技術的3DS後，即導致富田已經很難再找到其他合作夥伴。
由於Nintendo最近一季預測3DS銷量可望於2013.4.達到1,500萬台，且目前3DS在美國的售價為US169.99元/台。在判斷相關損失後，因此要求Nintendo每賣出一台3DS應當付給富田US9.8元。
US7,417,664
Title
: Stereoscopic image picking up and display system based upon optical axes
cross-point information
Filing Date : 2003.3.20.
Issue Date :
2008.8.26.
Abstract :
A stereoscopic video image pick-up and display
system having a stereoscopic video image pick-up device including two video
image pick-ups for outputting video information from the pick-ups; a
stereoscopic video image display device for displaying different video images;
and a medium for transmitting the video image information from the stereoscopic
video image pick-up device to the stereoscopic video image display device. The
stereoscopic video image pick-up device includes a cross-point measuring device
for measuring CP information on the cross-point (CP) of optical axes of pick-ups
and outputs information including the CP information and video image information
to the medium. The stereoscopic video image display device includes an offset
presetting device for offsetting and displaying different video images based
upon the video image information, the cross-point information and information on
the size of the image which is displayed by the stereoscopic video image display
device.
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