FR838421A - Means and method of calculation - Google Patents

Means and method of calculation

Info

Publication number
FR838421A
FR838421A FR838421DA FR838421A FR 838421 A FR838421 A FR 838421A FR 838421D A FR838421D A FR 838421DA FR 838421 A FR838421 A FR 838421A
Authority
FR
France
Prior art keywords
calculation
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
Other languages
French (fr)
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
Priority claimed from US145031A external-priority patent/US2254931A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR838421A publication Critical patent/FR838421A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/028—Magnetic recording digest

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
FR838421D 1937-05-27 1938-05-25 Means and method of calculation Expired FR838421A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US145031A US2254931A (en) 1937-05-27 1937-05-27 Control record for accounting machines
US214397A US2254933A (en) 1937-05-27 1938-06-17 Record controlled machine

Publications (1)

Publication Number Publication Date
FR838421A true FR838421A (en) 1939-03-06

Family

ID=26842590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838421D Expired FR838421A (en) 1937-05-27 1938-05-25 Means and method of calculation

Country Status (4)

Country Link
US (1) US2254933A (en)
DE (1) DE747009C (en)
FR (1) FR838421A (en)
GB (1) GB515183A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966257C (en) * 1940-08-22 1957-07-18 Int Standard Electric Corp Recording medium for picture telegraph receivers and process for their manufacture

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE469796A (en) * 1940-01-20
US2427383A (en) * 1941-07-29 1947-09-16 Ibm Statistical machine controlled by magnetic, frequency coded records
US2359617A (en) * 1941-11-29 1944-10-03 Ibm Magnetic recording apparatus
US3105111A (en) * 1942-11-07 1963-09-24 Bell Telephone Labor Inc High speed telegraphy
NL73141C (en) * 1943-04-17
US2436829A (en) * 1945-01-31 1948-03-02 Ibm Bipolar magnetic control record
FR995514A (en) * 1945-03-16 1951-12-04 Bull Sa Machines Electromagnetic recording store
US2589766A (en) * 1945-05-04 1952-03-18 Bradley Evelyn Magnetic oil seal construction
US2535497A (en) * 1946-04-12 1950-12-26 Brush Dev Co Limit control for magnetic recorders
US2608346A (en) * 1946-06-14 1952-08-26 Friden Calculating Machine Co Ten key differential entry mechanism
US2594495A (en) * 1947-09-04 1952-04-29 Bell Telephone Labor Inc Magnetic recording system for call data in automatic telephony
GB655357A (en) * 1947-11-26 1951-07-18 Edward Wriothesley Curzon Russ Improved means of recording intelligence
US2698930A (en) * 1949-03-31 1955-01-04 Remington Rand Inc Magnetic displacement recorder
BE496072A (en) * 1949-06-04
US2953777A (en) * 1949-07-26 1960-09-20 Darrin H Gridley Shaft position converter device
BE498945A (en) * 1949-10-26
US2931571A (en) * 1951-04-11 1960-04-05 Ncr Co Magnetic storage of multiple totals
BE511266A (en) * 1951-05-17
US2697514A (en) * 1952-07-03 1954-12-21 Walter A Stahl Mail sorting device
US2722676A (en) * 1952-07-25 1955-11-01 Clevite Corp Magnetic information-storing device
US2846516A (en) * 1953-08-10 1958-08-05 Ellamac Inc Magnetic recording and reproducing apparatus
DE1224332B (en) * 1954-07-23 1966-09-08 Erich Hudec Dr Ing Key-operated device for magnetic recording of binary code characters on a magnetic tape
US2860759A (en) * 1955-02-10 1958-11-18 Ibm Sensing control for tabulating mechanism
DE1150540B (en) * 1955-11-09 1963-06-20 Ncr Co Use of sublimable substances for fluorescent markings on information carriers
DE1100047B (en) * 1956-04-30 1961-02-23 Taylorix Organisation Device for automatic line selection on typewriters, calculators and booking machines
DE1222945B (en) * 1960-09-13 1966-08-18 Grundig Max Magnetodynamic control device for the car on typing, booking and similar machines
DE1190712B (en) * 1960-09-17 1965-04-08 Inst Regelungstechnik Device for the selection and scanning of card-shaped recording media for the program control of automatic systems
US3413448A (en) * 1961-05-25 1968-11-26 Rca Corp Information handling apparatus
US3282210A (en) * 1963-04-10 1966-11-01 Morris O Weig Certified check coded for rejection in sorting machine
US3614394A (en) * 1963-05-31 1971-10-19 Burroughs Corp Data records, and data recording and utilizing methods and means
US3471862A (en) * 1967-10-18 1969-10-07 Walter W Barney Encoder apparatus for magnetic credit cards and the like
US3619570A (en) * 1969-05-01 1971-11-09 Int Research Dev Inc Magnetic reading apparatus
BE754568A (en) * 1969-08-11 1971-01-18 Bedjai Claude
US4055746A (en) * 1969-11-07 1977-10-25 Glen Peterson Method of and apparatus for securing and storing personal information
AU478754B2 (en) * 1974-02-14 1975-08-14 Access Control Systems (Australia) Pty. Ltd. Magnetic identification apparatus
GB1519142A (en) * 1974-07-04 1978-07-26 Emi Ltd Detection of magnetic patterns
JPH0650876Y2 (en) * 1987-03-31 1994-12-21 三洋電機株式会社 Optical audio disc

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE334435C (en) *
DE274926C (en) *
DE334922C (en) * 1917-11-02 1921-03-19 Joseph Comes Device for sorting and counting cards for statistical purposes
DE574129C (en) * 1930-08-26 1933-04-10 Aeg Receiving device for the pulse frequency remote measurement method
DE585584C (en) * 1931-05-21 1933-10-05 Aeg Procedure for registering the change in electrical parameters over time in the event of network faults
US2150256A (en) * 1932-04-06 1939-03-14 Ibm Record controlled statistical machine
US2007391A (en) * 1934-03-30 1935-07-09 Ibm Record controlled punch
CH181408A (en) * 1934-10-18 1935-12-15 Gfeller Chr Ag Registration device on vehicles.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966257C (en) * 1940-08-22 1957-07-18 Int Standard Electric Corp Recording medium for picture telegraph receivers and process for their manufacture

Also Published As

Publication number Publication date
US2254933A (en) 1941-09-02
DE747009C (en) 1944-09-04
GB515183A (en) 1939-11-28

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