US3548342A
(en )
1970-12-15
Digitally controlled amplitude modulation circuit
US3096483A
(en )
1963-07-02
Frequency divider system with preset means to select countdown cycle
US3258696A
(en )
1966-06-28
Multiple bistable element shift register
US2853238A
(en )
1958-09-23
Binary-coded flip-flop counters
GB1448712A
(en )
1976-09-08
Digital speed control
US3493872A
(en )
1970-02-03
Variable division frequency divider having nor gate coupling logic
US2816223A
(en )
1957-12-10
Binary-coded, flip-flop counters
US3514705A
(en )
1970-05-26
Digital subtractor circuit
GB1227829A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
1971-04-07
GB1129464A
(en )
1968-10-09
Digital frequency and phase detector
SU391698A1
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
1973-07-25
US3500214A
(en )
1970-03-10
Reference signal and digital switchvaried signal generator
US3287648A
(en )
1966-11-22
Variable frequency divider employing plural banks of coincidence circuits and multiposition switches to effect desired division
US3486018A
(en )
1969-12-23
Electrical signal function generators
US3234401A
(en )
1966-02-08
Storage circuits
US3233180A
(en )
1966-02-01
Frequency comparator
US3420990A
(en )
1969-01-07
Hybrid counter
US3688202A
(en )
1972-08-29
Signal comparator system
US3212009A
(en )
1965-10-12
Digital register employing inhibiting means allowing gating only under preset conditions and in certain order
US3105195A
(en )
1963-09-24
High resolution ring-type counter
US3151252A
(en )
1964-09-29
Bidirectional decade counter
US2888202A
(en )
1959-05-26
Multiple input binary adder-subtracters
US3465134A
(en )
1969-09-02
Solid state microcircuit integrator synchronizer system
USRE25978E
(en )
1966-03-08
Multi-collector transistor forming bistable circuit
GB1353715A
(en )
1974-05-22
Algebraic summing digital-to-analogue converter