using charge transfer devices, i.e. bucket brigade or charge coupled devices

Full Title

Pulse counters comprising counting chains; Frequency dividers comprising counting chains (H03K29/00 takes precedence) > Gating or clocking signals applied to all stages, i.e. synchronous counters > Out-of-phase gating or clocking signals applied to counter stages > using charge transfer devices, i.e. bucket brigade or charge coupled devices