Robuta

https://www.uspto.gov/web/patents/classification/cpc/html/conH04Qtoipc.html CPC to IPC Concordance - H04Q cpcipcconcordance https://www.uspto.gov/web/patents/classification/cpc/html/defH04Q.html CPC Definition - H04Q SELECTING (switches, relays, selectors H01H; wireless communication networ... switches relayswireless communicationcpcdefinitionselecting