div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Shannon - Patent 8144474 -Portable Computer Structures src=https:reader035vdocumentssitereader035viewer2022080420589ea3f61a28ab38288b4a57html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv