US3654394A
(en )
1972-04-04
Field effect transistor switch, particularly for multiplexing
US2857470A
(en )
1958-10-21
Transistor line identifier
US2968795A
(en )
1961-01-17
Magnetic systems
US2931017A
(en )
1960-03-29
Drive systems for magnetic core memories
SE179741C1
(OSRAM )
1962-01-01
US2503662A
(en )
1950-04-11
Electronic valve apparatus suitable for use in counting electrical impulses
US2628309A
(en )
1953-02-10
Electronic storage device
US2958853A
(en )
1960-11-01
Intelligence storage devices with compensation for unwanted output current
US3020353A
(en )
1962-02-06
Arrangement for automatic telephone systems
US3249699A
(en )
1966-05-03
Busy test arrangement for a telephone switching network
GB1195272A
(en )
1970-06-17
Active Element Memory
US3192399A
(en )
1965-06-29
Amplifier-switching circuit employing plurality of conducting devices to share load crrent
US2914748A
(en )
1959-11-24
Storage matrix access circuits
US3174058A
(en )
1965-03-16
Bilateral current driver
GB541768A
(en )
1941-12-10
Communication exchange systems
FI60476C
(fi )
1982-01-11
Relaematris i synnerhet tungrelaematris foer vaeljarnaet
GB828765A
(en )
1960-02-24
Improvements in or relating to ambiguity testing devices for emitting a signal when a plurality of potential sources out of a number of potential sources, are in an operative state
US3381137A
(en )
1968-04-30
Frequency divider wherein regenerative switching circuits produce phase displaced periodic signals
US2958855A
(en )
1960-11-01
Data storage devices
US3067414A
(en )
1962-12-04
Code translating circuit
GB1076212A
(en )
1967-07-19
Selection apparatus
US3333256A
(en )
1967-07-25
Driving arrangement for magnetic devices
US3275896A
(en )
1966-09-27
Sequential counting circuit using differentially operated realays
US3173130A
(en )
1965-03-09
Memory circuit
US3012151A
(en )
1961-12-05
Circuit for indicating magnitude of current pulses