FR1015675A - Systèmes d'emmagasinage magnétiques pour machines à calculer électroniques purement numériques binaires - Google Patents

Systèmes d'emmagasinage magnétiques pour machines à calculer électroniques purement numériques binaires

Info

Publication number: FR1015675A
Authority: FR; France
Prior art keywords: magnetic storage; storage systems; digital binary; calculating machines; purely digital
Prior art date: 1949-03-01
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

Other languages

English (en)

Inventor

Frederic Callan Williams

John Clifford West

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.)

MINI OF SUPPLY OF MINISTRY

UK Minister of Supply

Original Assignee

MINI OF SUPPLY OF MINISTRY

UK Minister of Supply

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.)

1949-03-01

Filing date

1950-02-28

Publication date

1952-10-17

1950-02-28 Application filed by MINI OF SUPPLY OF MINISTRY, UK Minister of Supply filed Critical MINI OF SUPPLY OF MINISTRY

1952-10-17 Application granted granted Critical

1952-10-17 Publication of FR1015675A publication Critical patent/FR1015675A/fr

Status Expired legal-status Critical Current

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; CALCULATING OR 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)

FR1015675D 1949-03-01 1950-02-28 Systèmes d'emmagasinage magnétiques pour machines à calculer électroniques purement numériques binaires Expired FR1015675A (fr)

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
FR1015675A true FR1015675A (fr)	1952-10-17

Family

ID=10317270

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1015675D Expired FR1015675A (fr)	1949-03-01	1950-02-28	Systèmes d'emmagasinage magnétiques pour machines à calculer électroniques purement numériques binaires

Country Status (6)

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

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 (fr) *	1951-06-20
US2797378A (en) *	1952-03-26	1957-06-25	Nat Res Dev	Electric signal synchronising apparatus
FR1084147A (fr) *	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
BE529482A (fr) *	1953-01-23
BE526292A (fr) *	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 (fr) *	1954-11-26
US2916547A (en) *	1955-05-05	1959-12-08	Ampex	Recording and reproducing system
NL209053A (fr) *	1955-07-18
US2973141A (en) *	1956-02-24	1961-02-28	Curtiss Wright Corp	Control means with record sensing for an electronic calculator
NL227084A (fr) *	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 (fr) *	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

0
- NL NL737316210A patent/NL151959B/xx unknown
1949
- 1949-03-01 GB GB5633/49A patent/GB707635A/en not_active Expired
1950
- 1950-02-27 US US146445A patent/US2652554A/en not_active Expired - Lifetime
- 1950-02-28 FR FR1015675D patent/FR1015675A/fr not_active Expired
- 1950-02-28 NL NL79548D patent/NL79548C/xx active
- 1950-03-01 CH CH310543D patent/CH310543A/de unknown
- 1950-03-01 DE DEU147A patent/DE974735C/de not_active Expired

Also Published As

Publication number	Publication date
NL151959B (nl)
GB707635A (en)	1954-04-21
DE974735C (de)	1961-04-13
CH310543A (de)	1955-10-31
US2652554A (en)	1953-09-15
NL79548C (fr)	1955-06-15

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