Wikipedia (ch?-iu e pek-kho-choan-su) beh k? li kong...
Betamax
, ti?ⁿ hong kio
Beta
, Tai-oan ? kong "sio-toa" (小帶), s? siau-hui-kip e
l?i-pi
lio?k-iaⁿ e
chu-toa
sek khah-toa (
cassette
) keh-sek. Khai-hoat-chia s?
Sony
kong-si, 1975 ni 5 goe?h 10 ji?t ui
Ji?t-pun
chi?ⁿ-chh?.
Sony l?ng-g?a ia?h khai-hoat san-gia?p ?ng e
Betacam
.
