|
NL97815C
(de)
*
|
1951-09-24 |
1900-01-01 |
|
|
|
US2852187A
(en)
*
|
1952-12-16 |
1958-09-16 |
Northrop Aircraft Inc |
Automatic coding system for a digital differential analyzer
|
|
US2954926A
(en)
*
|
1953-01-13 |
1960-10-04 |
Sperry Rand Corp |
Electronic data processing system
|
|
GB789208A
(en)
*
|
1953-03-24 |
1958-01-15 |
Nat Res Dev |
Electronic digital computing machines
|
|
US2999636A
(en)
*
|
1953-08-18 |
1961-09-12 |
Alwac Internat Inc |
Computer
|
|
US3134092A
(en)
*
|
1954-02-05 |
1964-05-19 |
Ibm |
Electronic digital computers
|
|
US3245039A
(en)
*
|
1954-03-22 |
1966-04-05 |
Ibm |
Electronic data processing machine
|
|
US3008639A
(en)
*
|
1954-04-16 |
1961-11-14 |
Ibm |
Electronic accumulator in which the component trigger circuits are operated relatively continuously
|
|
US2907524A
(en)
*
|
1954-06-01 |
1959-10-06 |
Burroughs Corp |
Conditional stop control apparatus
|
|
US2897480A
(en)
*
|
1954-07-27 |
1959-07-28 |
Hughes Aircraft Co |
Error detecting system
|
|
US3089124A
(en)
*
|
1955-01-03 |
1963-05-07 |
Alwac Internat Inc |
Computer system with high capacity random access memory
|
|
US3274376A
(en)
*
|
1955-05-18 |
1966-09-20 |
Bendix Corp |
Digital differential analyzer in conjunction with a general purpose computer
|
|
IT553922A
(de)
*
|
1955-05-19 |
|
|
|
|
NL209391A
(de)
*
|
1955-08-01 |
|
|
|
|
US3049978A
(en)
*
|
1955-08-15 |
1962-08-21 |
Cutler Hammer Inc |
Gaging and machine tool control
|
|
US3050248A
(en)
*
|
1955-09-21 |
1962-08-21 |
Measurement Res Ct Inc |
Methods and apparatus for processing data
|
|
US2959351A
(en)
*
|
1955-11-02 |
1960-11-08 |
Ibm |
Data storage and processing machine
|
|
GB802692A
(en)
*
|
1955-11-17 |
1958-10-08 |
Standard Telephones Cables Ltd |
Improvements in or relating to electrical calculating equipment
|
|
US2876352A
(en)
*
|
1955-12-27 |
1959-03-03 |
Bell Telephone Labor Inc |
Self-correcting pulse circuits
|
|
US3313925A
(en)
*
|
1956-05-11 |
1967-04-11 |
Gen Precision Inc |
Digital differential analyzer
|
|
US3012722A
(en)
*
|
1956-08-31 |
1961-12-12 |
Minneanolis Honeywell Regulato |
Checking circutiry for data processing apparatus
|
|
US2969912A
(en)
*
|
1957-02-26 |
1961-01-31 |
Ibm |
Error detecting and correcting circuits
|
|
US3040984A
(en)
*
|
1957-03-25 |
1962-06-26 |
Gen Electric |
Data-checking system
|
|
NL230412A
(de)
*
|
1957-08-23 |
|
|
|
|
NL230983A
(de)
*
|
1957-09-03 |
|
|
|
|
BE570988A
(de)
*
|
1957-09-06 |
|
|
|
|
NL233967A
(de)
*
|
1957-12-09 |
|
|
|
|
US2996248A
(en)
*
|
1957-12-31 |
1961-08-15 |
Bell Telephone Labor Inc |
Supervisory system for an electronic counter
|
|
NL248536A
(de)
*
|
1958-12-29 |
|
|
|
|
US3048774A
(en)
*
|
1959-04-07 |
1962-08-07 |
Western Electric Co |
Electrical breakdown count test set
|
|
NL254442A
(de)
*
|
1959-08-03 |
|
|
|
|
US3114894A
(en)
*
|
1959-10-30 |
1963-12-17 |
Ibm |
Signaling system
|
|
US3234517A
(en)
*
|
1960-02-15 |
1966-02-08 |
Gen Electric |
Data processing system
|
|
US3660646A
(en)
*
|
1970-09-22 |
1972-05-02 |
Ibm |
Checking by pseudoduplication
|
|
SE382702B
(sv)
*
|
1971-12-29 |
1976-02-09 |
Sharp Kk |
Med kontrollfunktion forsedd, manuellt manovrerad, elektronisk bords- eller fickkalkylator.
|
|
EP0133005B1
(de)
*
|
1983-07-29 |
1991-02-27 |
Westinghouse Brake And Signal Holdings Limited |
Sicherheitsbetriebsprüfung einer gesteuerten Anlage
|
|
US4994993A
(en)
*
|
1988-10-26 |
1991-02-19 |
Advanced Micro Devices, Inc. |
System for detecting and correcting errors generated by arithmetic logic units
|