Number-of-ones counters, i.e. devices for counting the number of input lines set

Official title: {number-of-ones counters, i.e. devices for counting the number of input lines set to ONE among a plurality of input lines, also called bit counters or parallel counters (for applications thereof, see the relevant places, e.g. G06F7/49, G06F7/5013, G06F7/509, H03M1/00, H03M7/20)}

G06F7/607 (Number-of-ones counters, i.e. devices for counting the number of input lines set) appears on 134 US grants and 80 published applications in this corpus.