Whakakiia te rerenga e whai ake nei: I te tau 1985, i hangaia e Sony te kupu "JumboTron" mo tana poari whakaata nui. Ko te JumboTron te ingoa waitohu mo nga papa ataata nui i hangaia e Sony, a ka mohiotia ko tetahi o nga whakaaturanga ataata nui-kore-whakaaturanga i hangaia. Ko te kaiwhakahaere auaha a Sony a Yasuo Kuroki, nana i awhina i te waihanga i te Walkman, e whakawhiwhia ana ki te whanaketanga o te JumboTron. I whakauruhia ki te
Expo '85 i tu i te marama o Mei 1985 i Tsukuba, Ibaraki. He whakataunga whakaaturanga 450,000 pika, mā te whakamahi i tētahi hangarau hou a Sony e kīia ana ko te Trini-lite. He pounamu i runga i te pūtukatuka iti i hangaia e tētahi o ngā hoa mahi a Kuroki, te kaipūkaha matua o Betamax a Yuji Watanabe. I whakaaetia e te hangarau Trini-lite te maarama o te mata me te whakahaere rorohiko, e whakatakoto ana i te turanga mo nga Sony Jumbotrons tuatahi.