FR1214381A
(en )
1960-04-08
Large capacity method and device for recording and reading information
FR1392472A
(en )
1965-03-19
Method and apparatus for reading information, for example on cards
CH405786A
(en )
1966-01-15
Method for reading information and device for implementing the method
FR78473E
(en )
1962-07-27
Information recording device
CH421190A
(en )
1966-09-30
Method for reading information and device for its implementation
BE579329A
(en )
1959-10-01
Method and device for magnetic recording of information, eg for electronic calculating machines.
FR1119683A
(en )
1956-06-22
Magnetic information storage circuit device and method
FR1430852A
(en )
1966-03-11
Method and device for magnetic recording of information, for example for electronic calculating machines
CH345035A
(en )
1960-03-15
Information memory device
FR1471797A
(en )
1967-03-03
Method and device for recording information
FR1226757A
(en )
1960-08-16
Device for checking the correctness of data entered into an information processing machine
FR77349E
(en )
1962-02-16
Method and device for coordinating the operation of various sections of an information processing system
FR1426976A
(en )
1966-02-04
Recording ink device and information recording method
FR76358E
(en )
1961-10-06
Device and method for transferring or counting information
CH326342A
(en )
1957-12-15
Information recording device
FR1185285A
(en )
1959-07-31
Device for handling information media
FR1215592A
(en )
1960-04-19
Method and device for magnetic recording or reproduction
FR1279924A
(en )
1961-12-29
Method and device for information transformation
FR1173263A
(en )
1959-02-23
Method and apparatus for recording magnetic information
FR82757E
(en )
1964-04-17
Information or data transmission system for calculating machines and similar machines
FR1276353A
(en )
1961-11-17
Method for sorting information on magnetic tapes
FR87914E
(en )
1966-11-04
Information recording device
FR84897E
(en )
1965-04-30
Information recording device
BE588047A
(en )
1960-06-16
A device and method for storing information.
BE595582A
(en )
1961-03-30
Method and apparatus for operating information recording cards