NL209920A - - Google Patents

Info

Publication number
NL209920A
NL209920A NL209920DA NL209920A NL 209920 A NL209920 A NL 209920A NL 209920D A NL209920D A NL 209920DA NL 209920 A NL209920 A NL 209920A
Authority
NL
Netherlands
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL209920A publication Critical patent/NL209920A/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/02—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using magnetic or inductive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard
NL209920D 1955-08-26 NL209920A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US530675A US2814031A (en) 1955-08-26 1955-08-26 Magnetic storage keyboard

Publications (1)

Publication Number Publication Date
NL209920A true NL209920A (fr)

Family

ID=24114529

Family Applications (1)

Application Number Title Priority Date Filing Date
NL209920D NL209920A (fr) 1955-08-26

Country Status (4)

Country Link
US (1) US2814031A (fr)
DE (1) DE1030069B (fr)
GB (1) GB839987A (fr)
NL (1) NL209920A (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (fr) * 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
NL245713A (fr) * 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 (fr) * 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 (fr) * 1961-07-19
US3245058A (en) * 1961-12-15 1966-04-05 Ibm Semi-permanent memory
BE627326A (fr) * 1962-01-22
BE642790A (fr) * 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
GB1401265A (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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2003329A (en) * 1931-11-05 1935-06-04 Rca Corp High speed keying
US2700703A (en) * 1950-12-29 1955-01-25 Ibm Magnetic reproducer

Also Published As

Publication number Publication date
DE1030069B (de) 1958-05-14
US2814031A (en) 1957-11-19
GB839987A (en) 1960-06-29

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