Search Results for: Sound recording turntables
coupling means between pick-up element and sound producing element] {g b / a} (class g b/ ) [n: devices for transmitting, directing, amplifying sound (in general g k / )] {g b / b} (class g b/ ) [n: devices for controlling sound e.g. using acoustical impedances, using valves] {g b / c} (class g b/ )
precedence) {g b / } (class g b/ ) recording on, or reproducing or erasing from, magnetic drums (g b/ takes precedence) {g b / } (class g b/ ) recording on, or reproducing or erasing from, magnetic tapes, [n: sheets, e.g. cards,] or wires (g b/ [n: g b/ ] take precedence; [n: bulk transferring of information...
https://patents.justia.com/patents-by-us-classification/G9B