1
Spencer Robert Graham: Adaptive reading circuit for a disk memory. Bell Telephone Laboratories Incorporated, February 29, 1972: US3646520 (10 worldwide citation)

A circuit arrangement wherein a local oscillator is phase locked to information read from a timing track on a disk memory and serves to generate output pulses having a repetition rate several times higher than the repetition rate of the information on the timing track. For each data track of the mem ...


2
Ault Cyrus Frank, Spencer Robert Graham: Shift register clock pulse distribution system. Bell Telephone Laboratories Incorporated, April 3, 1973: US3725790 (6 worldwide citation)

A clock pulse distribution bus for an MOS shift register having a large clock terminal input capacitance comprises a plurality of serially connected inductance elements. The shift register stages are organized into groups and the clock terminals of each group are connected to a different node of the ...