Pr1 or pr, i.e. partial response class 1, polynomial 1+d

Official title: {PR1 or PR(1,1,), i.e. partial response class 1, polynomial 1+D}

G11B20/10083 (Pr1 or pr, i.e. partial response class 1, polynomial 1+d) appears on 63 US grants and 54 published applications in this corpus.