DE974735C - Magnetische Speichersysteme fuer elektrische Binaerziffer-Rechengeraete - Google Patents

Magnetische Speichersysteme fuer elektrische Binaerziffer-Rechengeraete

Info

Publication number
DE974735C
DE974735C DEU147A DEU0000147A DE974735C DE 974735 C DE974735 C DE 974735C DE U147 A DEU147 A DE U147A DE U0000147 A DEU0000147 A DE U0000147A DE 974735 C DE974735 C DE 974735C
Authority
DE
Germany
Prior art keywords
drum
pulse
cathode ray
generator
ray tube
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DEU147A
Other languages
German (de)
English (en)
Other versions
DE1615483U (de
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE974735C publication Critical patent/DE974735C/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4234—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a memory bus
    • G06F13/4243—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a memory bus with synchronous protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DEU147A 1949-03-01 1950-03-01 Magnetische Speichersysteme fuer elektrische Binaerziffer-Rechengeraete Expired DE974735C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5633/49A GB707635A (en) 1949-03-01 1949-03-01 Magnetic storage systems for electronic binary digital computers

Publications (1)

Publication Number Publication Date
DE974735C true DE974735C (de) 1961-04-13

Family

ID=10317270

Family Applications (1)

Application Number Title Priority Date Filing Date
DEU147A Expired DE974735C (de) 1949-03-01 1950-03-01 Magnetische Speichersysteme fuer elektrische Binaerziffer-Rechengeraete

Country Status (6)

Country Link
US (1) US2652554A (en, 2012)
CH (1) CH310543A (en, 2012)
DE (1) DE974735C (en, 2012)
FR (1) FR1015675A (en, 2012)
GB (1) GB707635A (en, 2012)
NL (2) NL79548C (en, 2012)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB695351A (en) * 1949-03-15 1953-08-12 Standard Telephones Cables Ltd Improvements in or relating to automatic telephone systems
US2810516A (en) * 1949-06-03 1957-10-22 Nat Res Dev Electronic digital computing devices
US2850720A (en) * 1950-11-17 1958-09-02 Monroe Calculating Machine Data recording and playback device
US2931571A (en) * 1951-04-11 1960-04-05 Ncr Co Magnetic storage of multiple totals
BE554864A (en, 2012) * 1951-06-20
US2797378A (en) * 1952-03-26 1957-06-25 Nat Res Dev Electric signal synchronising apparatus
FR1084147A (en, 2012) * 1952-03-31 1955-01-17
US2924381A (en) * 1952-04-22 1960-02-09 Ncr Co Digital differential analyzer
US2850571A (en) * 1952-09-19 1958-09-02 Int Standard Electric Corp Magnetic store for telephone meter impulses
US2789220A (en) * 1952-09-23 1957-04-16 Underwood Corp Computer pulse control system
BE529483A (en, 2012) * 1953-01-23
BE526292A (en, 2012) * 1953-02-11
US2848708A (en) * 1953-06-04 1958-08-19 Monroe Calculating Machine Printing control means for electronic computers and the like
US3041585A (en) * 1953-07-14 1962-06-26 Ncr Co Dynamic clock recorder
US2902675A (en) * 1953-07-28 1959-09-01 Underwood Corp Storage apparatus for typing control
US3517391A (en) * 1953-10-26 1970-06-23 Ibm Digital computer
US2963223A (en) * 1953-11-17 1960-12-06 Cooke-Yarborough Edmund Harry Multiple input binary adder employing magnetic drum digital computing apparatus
US3245039A (en) * 1954-03-22 1966-04-05 Ibm Electronic data processing machine
US2974306A (en) * 1954-11-15 1961-03-07 File maintenance machine
US2990114A (en) * 1954-11-23 1961-06-27 Eric T Hudec Automatic number transfer from the registers of a calculator
NL202362A (en, 2012) * 1954-11-26
US2916547A (en) * 1955-05-05 1959-12-08 Ampex Recording and reproducing system
BE549678A (en, 2012) * 1955-07-18
US2973141A (en) * 1956-02-24 1961-02-28 Curtiss Wright Corp Control means with record sensing for an electronic calculator
NL227084A (en, 2012) * 1957-04-24
US3329942A (en) * 1958-01-29 1967-07-04 Rca Corp Air bearing data storage apparatus
GB916335A (en) * 1958-10-10 1963-01-23 Int Computers & Tabulators Ltd Improvements in or relating to magnetic data storage devices
US3089061A (en) * 1959-06-19 1963-05-07 Du Pont Signal generator
NL254964A (en, 2012) * 1959-08-17

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2334510A (en) * 1942-02-18 1943-11-16 Rca Corp Record reproducing control circuit
US2395517A (en) * 1942-11-21 1946-02-26 Bell Telephone Labor Inc Speed control system for electric motors
US2403921A (en) * 1943-06-19 1946-07-16 Rca Corp Synchronizing device
US2538065A (en) * 1947-08-26 1951-01-16 Panoramic Radio Corp Synchronous telemetric system

Also Published As

Publication number Publication date
US2652554A (en) 1953-09-15
NL151959B (nl)
NL79548C (en, 2012) 1955-06-15
CH310543A (de) 1955-10-31
GB707635A (en) 1954-04-21
FR1015675A (fr) 1952-10-17

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