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US2709199A
(en)
*
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1948-03-15 |
1955-05-24 |
Nederlanden Staat |
Code signal converter
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US2737545A
(en)
*
|
1949-10-29 |
1956-03-06 |
Int Standard Electric Corp |
Method and device for transmitting code signals
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USRE23601E
(en)
*
|
1950-01-11 |
1952-12-23 |
|
Error-detecting and correcting |
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NL162008B
(nl)
*
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1950-06-16 |
|
Koppers Co Inc |
Trekmachine met rupsbanden.
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US2805278A
(en)
*
|
1951-09-04 |
1957-09-03 |
Nederlanden Staat |
Telegraph system
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US2628346A
(en)
*
|
1951-11-03 |
1953-02-10 |
Monroe Calculating Machine |
Magnetic tape error control
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US2728905A
(en)
*
|
1951-11-10 |
1955-12-27 |
Teletype Corp |
Line feed failure indicator
|
|
GB714094A
(en)
*
|
1952-01-18 |
1954-08-25 |
Gen Electric Co Ltd |
Improvements in or relating to electric pulse code modulation signalling systems
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BE517218A
(forum.php)
*
|
1952-01-29 |
|
|
|
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US3056947A
(en)
*
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1952-03-31 |
1962-10-02 |
Sperry Rand Corp |
Information translating apparatus
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NL177918B
(nl)
*
|
1952-05-13 |
|
Otsuka Pharma Co Ltd |
Werkwijze voor het bereiden van een geneesmiddel met beta-adrenergisch blokkerende werking onder toepassing van carbostyrilderivaten, alsmede werkwijze voor het bereiden van carbostyrilderivaten, geschikt voor toepassing bij voornoemde werkwijze.
|
|
US2674727A
(en)
*
|
1952-10-14 |
1954-04-06 |
Rca Corp |
Parity generator
|
|
US2849532A
(en)
*
|
1952-10-23 |
1958-08-26 |
Siemens Ag |
Circuit arrangement for the transmission of telegraphic intelligence
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US2675538A
(en)
*
|
1953-03-05 |
1954-04-13 |
Bell Telephone Labor Inc |
Checking circuit
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|
US2675539A
(en)
*
|
1953-03-05 |
1954-04-13 |
Bell Telephone Labor Inc |
Checking circuit
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US2688050A
(en)
*
|
1953-07-20 |
1954-08-31 |
Rca Corp |
Validity checking circuit for coded signals
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NL190454A
(forum.php)
*
|
1953-09-02 |
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US2900447A
(en)
*
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1953-09-24 |
1959-08-18 |
Siemens Ag |
Apparatus for correcting the effects of disturbances in telegraphic communication
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NL87164C
(forum.php)
*
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1953-12-22 |
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DE1069412B
(de)
*
|
1953-12-30 |
1959-11-19 |
IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Würti.) |
Verfahren und Anordnung zur Identifizierung von Schriftzeichen
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US2910668A
(en)
*
|
1954-03-03 |
1959-10-27 |
Underwood Corp |
Information processing system
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US2923921A
(en)
*
|
1954-06-23 |
1960-02-02 |
|
Shapin |
|
US2831184A
(en)
*
|
1954-10-01 |
1958-04-15 |
Nat Res Dev |
Electrical computing engines
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BE545667A
(forum.php)
*
|
1955-03-02 |
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|
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US2944247A
(en)
*
|
1955-03-23 |
1960-07-05 |
North Electric Co |
Supervisory control system
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US2861744A
(en)
*
|
1955-06-01 |
1958-11-25 |
Rca Corp |
Verification system
|
|
US2854653A
(en)
*
|
1955-10-21 |
1958-09-30 |
Underwood Corp |
Error detection system
|
|
US2959768A
(en)
*
|
1955-10-25 |
1960-11-08 |
Ibm |
Comparator
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US2937363A
(en)
*
|
1955-12-28 |
1960-05-17 |
Ibm |
Data processing machine
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US2981937A
(en)
*
|
1956-05-28 |
1961-04-25 |
Burroughs Corp |
Reliability checking circuits
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FR1159053A
(fr)
*
|
1956-10-10 |
1958-06-23 |
Mach Automatiques Modernes |
Dispositif d'enregistrement magnétique sur une machine comptable
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US2972137A
(en)
*
|
1957-11-01 |
1961-02-14 |
Ibm |
Signal translating apparatus
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IT600645A
(forum.php)
*
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1957-12-23 |
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US2952008A
(en)
*
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1957-12-26 |
1960-09-06 |
Ibm |
Record actuated timing and checking means
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US3016517A
(en)
*
|
1959-05-15 |
1962-01-09 |
Bell Telephone Labor Inc |
Redundant logic circuitry
|
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DE1100679B
(de)
*
|
1959-10-16 |
1961-03-02 |
Siemens Ag |
Verfahren und Schaltungsanordnung zur Sicherung von Fernschreibnachrichten, bei denen die einzelnen Zeichen in einem 5-Schritte-Code uebertragen werden
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US3155945A
(en)
*
|
1960-04-04 |
1964-11-03 |
Sperry Rand Corp |
Parallel interrogation of computer memories
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US3056109A
(en)
*
|
1960-09-15 |
1962-09-25 |
Collins Radio Co |
Automatic morse code recognition system
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US3234518A
(en)
*
|
1960-10-14 |
1966-02-08 |
Rca Corp |
Data processing system
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US3195107A
(en)
*
|
1961-01-24 |
1965-07-13 |
Siemens Ag |
Secured transmission of coded binary symbols
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US3174133A
(en)
*
|
1961-05-12 |
1965-03-16 |
Leeds & Northrup Co |
Actuation of on-off outputs from electronic digital computer device
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US3175157A
(en)
*
|
1961-07-24 |
1965-03-23 |
Bell Telephone Labor Inc |
Statistical framing of code words in a pulse code receiver
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US3986122A
(en)
*
|
1962-05-22 |
1976-10-12 |
The United States Of America As Represented By The Secretary Of The Navy |
Reliable communications system
|
|
FR1360236A
(fr)
*
|
1963-03-20 |
1964-05-08 |
Electronique & Radio Ind |
Perfectionnements aux procédés de détection d'erreurs d'une chaine digitale de calcul et dispositif utilisé
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US3351919A
(en)
*
|
1965-05-19 |
1967-11-07 |
Gen Electric |
Data recording and error detection system
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US3582627A
(en)
*
|
1969-06-16 |
1971-06-01 |
Burroughs Corp |
Automatic accounting machine
|
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US3648238A
(en)
*
|
1970-05-15 |
1972-03-07 |
Precision Instr Co |
Error-correcting encoder and decoder for asymmetric binary data channels
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US3781792A
(en)
*
|
1972-01-03 |
1973-12-25 |
British Railways Board |
Error detection in communication system by repetition of data
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AT335005B
(de)
*
|
1975-01-22 |
1977-02-25 |
Leinfellner Helmut Ing |
Fehlererkennendes ubertragungssystem fur informationen mittels impulszugen vorgegebener lange
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US4070648A
(en)
*
|
1976-06-18 |
1978-01-24 |
Ncr Corporation |
Computer to computer communication system
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FR2469839A1
(fr)
*
|
1979-11-14 |
1981-05-22 |
Brossard Pierre |
Codeur-decodeur pour voies de transmission numeriques
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US4304001A
(en)
*
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1980-01-24 |
1981-12-01 |
Forney Engineering Company |
Industrial control system with interconnected remotely located computer control units
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EP2438511B1
(en)
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2010-03-22 |
2019-07-03 |
LRDC Systems, LLC |
A method of identifying and protecting the integrity of a set of source data
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