US3058097A
(en)
*
|
1955-03-01 |
1962-10-09 |
Schlumberger Well Surv Corp |
Information handling system
|
GB849264A
(en)
*
|
1955-09-13 |
1960-09-21 |
Burroughs Corp |
Bistable state magnetic core device
|
US3035253A
(en)
*
|
1956-04-09 |
1962-05-15 |
George C Devol |
Magnetic storage devices
|
US2997703A
(en)
*
|
1956-08-03 |
1961-08-22 |
Clary Corp |
Keyboard controlled circuitry
|
DE1098256B
(de)
*
|
1956-11-05 |
1961-01-26 |
Zuse K G |
Informationsspeicher
|
DE1074295B
(de)
*
|
1957-01-25 |
1960-01-28 |
IBM Deutschland Internationale Buro-Maschmen Gesellschaft mbH Sin delfingen (Wurtt) |
Anordnung zur Feststellung von Mar kierungen
|
US3341827A
(en)
*
|
1957-02-05 |
1967-09-12 |
Little Inc A |
Electrical memory device
|
US3032749A
(en)
*
|
1957-06-03 |
1962-05-01 |
Rca Corp |
Memory systems
|
NL113704C
(xx)
*
|
1957-10-30 |
|
|
|
DE1054752B
(de)
*
|
1957-11-02 |
1959-04-09 |
Olympia Werke Ag |
Magnetomechanischer Matrizenspeicher mit Eingabevorrichtung
|
US2950672A
(en)
*
|
1957-12-11 |
1960-08-30 |
Ibm |
Printing directory
|
GB875388A
(en)
*
|
1958-04-23 |
1961-08-16 |
Mullard Ltd |
Improvements in or relating to information storage matrices employing magnetic cores
|
US2932816A
(en)
*
|
1958-05-19 |
1960-04-12 |
Sperry Rand Corp |
Keyboard transmitter
|
US3488647A
(en)
*
|
1958-06-06 |
1970-01-06 |
Ibm |
Magnetic core switching circuit
|
USRE26313E
(en)
*
|
1958-11-04 |
1967-11-28 |
|
Matrix switch utilizing magnetic structures as crosspoints |
NL256480A
(xx)
*
|
1958-11-24 |
|
|
|
US3239721A
(en)
*
|
1958-12-18 |
1966-03-08 |
Monroe Int |
Electromagnetically controlled readout device
|
US3211907A
(en)
*
|
1958-12-26 |
1965-10-12 |
Gen Signal Corp |
Car routing system for railroads
|
NL249294A
(xx)
*
|
1959-03-17 |
|
|
|
US3512141A
(en)
*
|
1960-06-13 |
1970-05-12 |
Burroughs Corp |
Manually programmable translator
|
US3129418A
(en)
*
|
1960-08-04 |
1964-04-14 |
Teledyne Inc |
Electronic keyboard
|
US3197747A
(en)
*
|
1960-09-29 |
1965-07-27 |
United Aircraft Corp |
Apertured ferrite device
|
US3119996A
(en)
*
|
1960-10-27 |
1964-01-28 |
Potter Instrument Co Inc |
Code generator with non-contacting coupling to character keys
|
GB1006095A
(en)
*
|
1961-01-13 |
1965-09-29 |
Adolf Heinrich Michel |
Keying devices, particularly for electrical musical instruments
|
US3129302A
(en)
*
|
1961-03-30 |
1964-04-14 |
Int Standard Electric Corp |
Switching device comprising reed contacts operated by permanent magnets
|
DE1197929C2
(de)
*
|
1961-06-22 |
1974-11-07 |
|
Halbfestwertspeicher
|
NL281066A
(xx)
*
|
1961-07-19 |
|
|
|
US3245058A
(en)
*
|
1961-12-15 |
1966-04-05 |
Ibm |
Semi-permanent memory
|
BE627326A
(xx)
*
|
1962-01-22 |
|
|
|
BE642790A
(xx)
*
|
1963-01-28 |
|
|
|
US3406253A
(en)
*
|
1965-01-04 |
1968-10-15 |
Teletype Corp |
Magneto-mechanical transmitter distributor
|
US3474423A
(en)
*
|
1966-04-26 |
1969-10-21 |
Automatic Elect Lab |
Semipermanent electromechanically alterable memory
|
US3668695A
(en)
*
|
1966-10-10 |
1972-06-06 |
Sanders Associates Inc |
Keyboard apparatus
|
US3573808A
(en)
*
|
1968-03-25 |
1971-04-06 |
Potter Instrument Co Inc |
Keyboard or other similar apparatus for converting mechanical movement to a binary electrical signal using permanent magnet inhibited cores
|
US3683110A
(en)
*
|
1968-04-29 |
1972-08-08 |
Vogue Instr Corp |
Encoding device
|
US3585297A
(en)
*
|
1968-06-04 |
1971-06-15 |
Wyle Laboratories |
Keyboard for generating coded signals
|
US3638221A
(en)
*
|
1969-11-24 |
1972-01-25 |
Illinois Tool Works |
Solid-state keyboard
|
US3765014A
(en)
*
|
1970-10-12 |
1973-10-09 |
Syner Data Inc |
Keyboard
|
US3698531A
(en)
*
|
1970-10-26 |
1972-10-17 |
Illinois Tool Works |
Solid state switch
|
USRE31942E
(en)
*
|
1971-03-01 |
1985-07-09 |
|
High speed serial scan and readout of keyboards
|
US3918051A
(en)
*
|
1971-05-19 |
1975-11-04 |
Illinois Tool Works |
N-key rollover keyboard
|
GB1401204A
(en)
*
|
1971-07-19 |
1975-07-16 |
Texas Instruments Inc |
Variable function programmed calculator
|
US3750113A
(en)
*
|
1971-11-12 |
1973-07-31 |
Becton Dickinson Co |
Capacitive keyboard
|
US4283714A
(en)
*
|
1979-08-08 |
1981-08-11 |
Texas Instruments Incorporated |
Magnetic keyboard system
|
US4401986A
(en)
*
|
1979-12-26 |
1983-08-30 |
Texas Instruments Incorporated |
Position sensor and system
|