| US3126487A
              (en)
            
            * |  | 1964-03-24 |  | jorgensen | 
        
          | DE1069188B
              (en:Method)
            
            * |  |  |  |  | 
        
          | NL94144C
              (en:Method)
            
            * | 1953-05-26 |  |  |  | 
        
          | NL187900B
              (nl)
            
            * | 1953-05-28 |  | Bizien Jules | Voertuig, voorzien van een laadruimte met schuifdeuren. | 
        
          | US2942239A
              (en)
            
            * | 1953-06-26 | 1960-06-21 | Sperry Rand Corp | Coincident signal device | 
        
          | US2920312A
              (en)
            
            * | 1953-08-13 | 1960-01-05 | Lab For Electronics Inc | Magnetic symbol generator | 
        
          | US2899498A
              (en)
            
            * | 1953-11-30 | 1959-08-11 |  | Apparatus for synthesizing facsimile signals from coded signals | 
        
          | US2858525A
              (en)
            
            * | 1954-01-29 | 1958-10-28 | Burroughs Corp | Frequency doubling circuit | 
        
          | US2862198A
              (en)
            
            * | 1954-04-05 | 1958-11-25 | Telemeter Magnetics And Electr | Magnetic core memory system | 
        
          | US2900623A
              (en)
            
            * | 1954-04-05 | 1959-08-18 | Telemeter Magnetics Inc | Magnetic core memory system | 
        
          | NL198585A
              (en:Method)
            
            * | 1954-07-02 |  |  |  | 
        
          | BE539624A
              (en:Method)
            
            * | 1954-07-08 |  |  |  | 
        
          | NL198866A
              (en:Method)
            
            * | 1954-07-14 |  |  |  | 
        
          | US3012839A
              (en)
            
            * | 1954-07-15 | 1961-12-12 | Burroughs Corp | Electrographic printer | 
        
          | US2953774A
              (en)
            
            * | 1954-08-13 | 1960-09-20 | Ralph J Slutz | Magnetic core memory having magnetic core selection gates | 
        
          | US2923553A
              (en)
            
            * | 1954-08-30 | 1960-02-02 | Seeburg Corp | Selectors for automatic phonographs | 
        
          | NL108773C
              (en:Method)
            
            * | 1954-09-04 |  |  |  | 
        
          | US2753545A
              (en)
            
            * | 1954-10-08 | 1956-07-03 | Burroughs Corp | Two element per bit shift registers requiring a single advance pulse | 
        
          | FR1113051A
              (fr)
            
            * | 1954-11-16 | 1956-03-23 | Ibm France | Perfectionnements aux dispositifs de lecture de matrices | 
        
          | US2965883A
              (en)
            
            * | 1954-12-20 | 1960-12-20 | Wendell S Miller | Electronic gang switches | 
        
          | US2856596A
              (en)
            
            * | 1954-12-20 | 1958-10-14 | Wendell S Miller | Magnetic control systems | 
        
          | US2768367A
              (en)
            
            * | 1954-12-30 | 1956-10-23 | Rca Corp | Magnetic memory and magnetic switch systems | 
        
          | US2907894A
              (en)
            
            * | 1955-03-29 | 1959-10-06 | Sperry Rand Corp | Magnetic gating on core inputs | 
        
          | GB784432A
              (en)
            
            * | 1955-04-05 | 1957-10-09 | British Tabulating Mach Co Ltd | Improvements in or relating to data storage devices | 
        
          | US3105959A
              (en)
            
            * | 1955-04-07 | 1963-10-01 | Philips Corp | Memory matrices including magnetic cores | 
        
          | US2901735A
              (en)
            
            * | 1955-04-29 | 1959-08-25 | Sperry Rand Corp | Magnetic amplifier drive for coincident current switch | 
        
          | US2964737A
              (en)
            
            * | 1955-06-27 | 1960-12-13 | Ibm | Addressing circuit | 
        
          | DE1040073B
              (de)
            
            * | 1955-08-05 | 1958-10-02 | Kienzle Apparate Gmbh | Anordnung zur Informationswandlung mit Hilfe einer Matrix | 
        
          | US2907000A
              (en)
            
            * | 1955-08-05 | 1959-09-29 | Sperry Rand Corp | Double base diode memory | 
        
          | US2946985A
              (en)
            
            * | 1955-08-12 | 1960-07-26 | Ibm | Magnetic core buffer storage | 
        
          | US2910595A
              (en)
            
            * | 1956-07-18 | 1959-10-27 | Ibm | Magnetic core logical circuit | 
        
          | US2932451A
              (en)
            
            * | 1955-10-31 | 1960-04-12 | Ibm | Matrix storage accumulator system | 
        
          | NL213219A
              (en:Method)
            
            * | 1955-12-27 |  |  |  | 
        
          | US2939114A
              (en)
            
            * | 1955-12-28 | 1960-05-31 | Bell Telephone Labor Inc | Magnetic memory system | 
        
          | GB856925A
              (en)
            
            * | 1955-12-29 | 1960-12-21 | Post Office | Improvements in or relating to electric pulse train generating systems | 
        
          | NL214049A
              (en:Method)
            
            * | 1956-02-07 |  |  |  | 
        
          | BE554844A
              (en:Method)
            
            * | 1956-02-09 |  |  |  | 
        
          | BE555508A
              (en:Method)
            
            * | 1956-03-06 |  |  |  | 
        
          | US3007141A
              (en)
            
            * | 1956-04-09 | 1961-10-31 | Research Corp | Magnetic memory | 
        
          | US2910674A
              (en)
            
            * | 1956-04-19 | 1959-10-27 | Ibm | Magnetic core memory | 
        
          | US3011153A
              (en)
            
            * | 1956-05-23 | 1961-11-28 | Teleregister Corp | Compatible ticker and automatic quotation board system | 
        
          | US2947977A
              (en)
            
            * | 1956-06-11 | 1960-08-02 | Ibm | Switch core matrix | 
        
          | US2968028A
              (en)
            
            * | 1956-06-21 | 1961-01-10 | Fuje Tsushinki Seizo Kabushiki | Multi-signals controlled selecting systems | 
        
          | NL218497A
              (en:Method)
            
            * | 1956-06-30 |  |  |  | 
        
          | US3016521A
              (en)
            
            * | 1956-08-09 | 1962-01-09 | Bell Telephone Labor Inc | Magnetic core memory matrix | 
        
          | US2998531A
              (en)
            
            * | 1956-08-28 | 1961-08-29 | Nippon Telegraph & Telephone | Switching system of binary phase signal | 
        
          | DE1039567B
              (de)
            
            * | 1956-10-05 | 1958-09-25 | Ibm Deutschland | Aus bistabilen Magnetkernen bestehende Schaltmatrix | 
        
          | US3012231A
              (en)
            
            * | 1956-10-10 | 1961-12-05 | Honeywell Regulator Co | Electrical apparatus for storing digital information | 
        
          | NL221326A
              (en:Method)
            
            * | 1956-10-15 |  |  |  | 
        
          | NL112900C
              (en:Method)
            
            * | 1956-10-31 |  |  |  | 
        
          | US3049695A
              (en)
            
            * | 1956-12-31 | 1962-08-14 | Rca Corp | Memory systems | 
        
          | US2932011A
              (en)
            
            * | 1957-01-15 | 1960-04-05 | Burroughs Corp | Matrix selection apparatus | 
        
          | US2920310A
              (en)
            
            * | 1957-01-28 | 1960-01-05 | Addressograph Multigraph | Comparison devices | 
        
          | US3047843A
              (en)
            
            * | 1957-02-15 | 1962-07-31 | Rca Corp | Monitoring circuits | 
        
          | DE1271192B
              (de)
            
            * | 1957-03-08 | 1968-06-27 | Siemens Ag | Magnetkernspeicher fuer Datenverarbeitungsmaschinen | 
        
          | CH357090A
              (de)
            
            * | 1957-03-18 | 1961-09-30 | Olympia Werke Ag | Magnetkernspeicher | 
        
          | US3071754A
              (en)
            
            * | 1957-04-02 | 1963-01-01 | Rca Corp | Magnetic memory systems using transfluxors | 
        
          | US3019418A
              (en)
            
            * | 1957-04-02 | 1962-01-30 | Rca Corp | Magnetic memory systems using transfluxors | 
        
          | US3151315A
              (en)
            
            * | 1957-04-19 | 1964-09-29 | Ibm | Magnetic film logical bias device | 
        
          | US2956271A
              (en)
            
            * | 1957-05-06 | 1960-10-11 | Information Systems Inc | Low level scanner and analog to digital converter | 
        
          | US2895124A
              (en)
            
            * | 1957-05-08 | 1959-07-14 | Gen Dynamics Corp | Magnetic core data storage and readout device | 
        
          | BE567482A
              (en:Method)
            
            * | 1957-05-10 |  |  |  | 
        
          | US3154763A
              (en)
            
            * | 1957-07-10 | 1964-10-27 | Ibm | Core storage matrix | 
        
          | GB885775A
              (en)
            
            * | 1957-07-23 | 1961-12-28 | Ericsson Telephones Ltd | Improvements in and relating to electrical translators | 
        
          | NL110943C
              (en:Method)
            
            * | 1957-08-16 |  |  |  | 
        
          | US3159821A
              (en)
            
            * | 1957-09-25 | 1964-12-01 | Sperry Rand Corp | Magnetic core matrix | 
        
          | US3076181A
              (en)
            
            * | 1957-09-26 | 1963-01-29 | Rca Corp | Shifting apparatus | 
        
          | US3110015A
              (en)
            
            * | 1957-10-28 | 1963-11-05 | Honeywell Regulator Co | Memory circuitry for digital data | 
        
          | US2996701A
              (en)
            
            * | 1957-11-07 | 1961-08-15 | Gen Dynamics Corp | Nonvolatile binary comparator | 
        
          | US2966595A
              (en)
            
            * | 1957-12-31 | 1960-12-27 | Ibm | Pulse sensing system | 
        
          | NL234723A
              (en:Method)
            
            * | 1958-01-02 |  |  |  | 
        
          | US3241128A
              (en)
            
            * | 1958-02-12 | 1966-03-15 | Rca Corp | Magnetic systems | 
        
          | NL236961A
              (en:Method)
            
            * | 1958-03-10 |  |  |  | 
        
          | US3041475A
              (en)
            
            * | 1958-03-13 | 1962-06-26 | Gen Dynamics Corp | Electronic polar relay | 
        
          | US3123716A
              (en)
            
            * | 1958-03-14 | 1964-03-03 |  | Pulse translating apparatus | 
        
          | NL237700A
              (en:Method)
            
            * | 1958-04-02 |  |  |  | 
        
          | US3514767A
              (en)
            
            * | 1958-04-14 | 1970-05-26 | Burroughs Corp | Thin film magnetic data store | 
        
          | US3488647A
              (en)
            
            * | 1958-06-06 | 1970-01-06 | Ibm | Magnetic core switching circuit | 
        
          | US3069663A
              (en)
            
            * | 1958-06-17 | 1962-12-18 | Rca Corp | Magnetic memory system | 
        
          | US3157860A
              (en)
            
            * | 1958-06-30 | 1964-11-17 | Indternat Business Machines Co | Core driver checking circuit | 
        
          | US3132335A
              (en)
            
            * | 1958-09-30 | 1964-05-05 | Honeywell Regulator Co | Electrical signal digitizing apparatus | 
        
          | NL134348C
              (en:Method)
            
            * | 1958-10-07 |  |  |  | 
        
          | NL244362A
              (en:Method)
            
            * | 1958-10-20 |  |  |  | 
        
          | US3079597A
              (en)
            
            * | 1959-01-02 | 1963-02-26 | Ibm | Byte converter | 
        
          | US2995733A
              (en)
            
            * | 1959-01-26 | 1961-08-08 | Richard S C Cobbold | Magnetic core memory | 
        
          | US3202831A
              (en)
            
            * | 1959-06-30 | 1965-08-24 | Ibm | Magnetic core ring circuit | 
        
          | US3103649A
              (en)
            
            * | 1959-02-17 | 1963-09-10 | Honeywell Regulator Co | Asynchronous to synchronous converter for use in data processing apparatus | 
        
          | US3104326A
              (en)
            
            * | 1959-02-18 | 1963-09-17 | Ibm | Self-propagating core logic circuits | 
        
          | US3028581A
              (en)
            
            * | 1959-05-28 | 1962-04-03 | Ibm | Switching device | 
        
          | US3140400A
              (en)
            
            * | 1959-07-22 | 1964-07-07 | Honeywell Regulator Co | Inhibit pulse driver | 
        
          | US3060411A
              (en)
            
            * | 1959-10-14 | 1962-10-23 | Bell Telephone Labor Inc | Magnetic memory circuits | 
        
          | NL262368A
              (en:Method)
            
            * | 1960-03-30 |  |  |  | 
        
          | NL264882A
              (en:Method)
            
            * | 1960-05-18 |  |  |  | 
        
          | US3129336A
              (en)
            
            * | 1960-09-06 | 1964-04-14 | Ibm | Matrix switch | 
        
          | US3247494A
              (en)
            
            * | 1960-10-14 | 1966-04-19 | Sylvania Electric Prod | Memory control systems | 
        
          | US3219985A
              (en)
            
            * | 1961-01-30 | 1965-11-23 | Raytheon Co | Logic system | 
        
          | US3239810A
              (en)
            
            * | 1961-07-26 | 1966-03-08 | Bell Telephone Labor Inc | Magnetic core comparator and memory circuit | 
        
          | DE1192695B
              (de)
            
            * | 1961-12-21 | 1965-05-13 | Licentia Gmbh | Elektronisch geschalteter Stromkreis | 
        
          | DE1302510B
              (en:Method)
            
            * | 1962-05-22 | 1971-04-01 | Honeywell Inc |  | 
        
          | US3436739A
              (en)
            
            * | 1963-10-01 | 1969-04-01 | Sperry Rand Corp | Magnetic memory device providing creep control | 
        
          | US3341830A
              (en)
            
            * | 1964-05-06 | 1967-09-12 | Bell Telephone Labor Inc | Magnetic memory drive circuits | 
        
          | FR146383A
              (en:Method)
            
            * | 1965-02-20 |  |  |  | 
        
          | US3496554A
              (en)
            
            * | 1965-05-12 | 1970-02-17 | Burroughs Corp | Method and apparatus for clearing a magnet memory | 
        
          | US3436746A
              (en)
            
            * | 1965-06-30 | 1969-04-01 | Automatic Elect Lab | Electrically alterable memory system having automatic rewrite | 
        
          | US3469246A
              (en)
            
            * | 1966-02-23 | 1969-09-23 | Litton Systems Inc | Linear select device | 
        
          | US3508203A
              (en)
            
            * | 1967-11-01 | 1970-04-21 | Bell Telephone Labor Inc | Access matrix with charge storage diode selection switches | 
        
          | US3857184A
              (en)
            
            * | 1973-11-12 | 1974-12-31 | J Seleznev | Mask for manufacturing memory matrices |