FR1391960A - Circuit différentiel applicable notamment à la lecture des mémoires à couches magnétiques - Google Patents

Circuit différentiel applicable notamment à la lecture des mémoires à couches magnétiques

Info

Publication number
FR1391960A
FR1391960A FR962094A FR962094A FR1391960A FR 1391960 A FR1391960 A FR 1391960A FR 962094 A FR962094 A FR 962094A FR 962094 A FR962094 A FR 962094A FR 1391960 A FR1391960 A FR 1391960A
Authority
FR
France
Prior art keywords
reading
magnetic layer
differential circuit
circuit applicable
layer memories
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
FR962094A
Other languages
English (en)
Inventor
Bernard Alexandre
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR962094A priority Critical patent/FR1391960A/fr
Priority to GB1234/65A priority patent/GB1086142A/en
Priority to CH39165A priority patent/CH428856A/fr
Priority to BE658244A priority patent/BE658244A/xx
Priority to DE19651474303 priority patent/DE1474303A1/de
Priority to US428079A priority patent/US3418603A/en
Priority to LU47868A priority patent/LU47868A1/xx
Priority to NL6501205A priority patent/NL6501205A/xx
Priority to ES0308739A priority patent/ES308739A1/es
Application granted granted Critical
Publication of FR1391960A publication Critical patent/FR1391960A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
    • G11C11/06007—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H03H2/008—Receiver or amplifier input circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/42—Balance/unbalance networks
    • H03H7/422—Balance/unbalance networks comprising distributed impedance elements together with lumped impedance elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H01F2027/2833—Wires using coaxial cable as wire
FR962094A 1964-01-30 1964-01-30 Circuit différentiel applicable notamment à la lecture des mémoires à couches magnétiques Expired FR1391960A (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR962094A FR1391960A (fr) 1964-01-30 1964-01-30 Circuit différentiel applicable notamment à la lecture des mémoires à couches magnétiques
GB1234/65A GB1086142A (en) 1964-01-30 1965-01-11 Differencing circuit, especially for signals derived by reading magnetic-film storage systems
CH39165A CH428856A (fr) 1964-01-30 1965-01-12 Circuit différentiel, applicable notamment à la lecture des mémoires à couches magnétiques
BE658244A BE658244A (fr) 1964-01-30 1965-01-13
DE19651474303 DE1474303A1 (de) 1964-01-30 1965-01-19 Differentialkreis,insbesondere zum Lesen von Magnetschichtspeichern
US428079A US3418603A (en) 1964-01-30 1965-01-26 Differential circuit, especially for reading magnetic-layer storage systems
LU47868A LU47868A1 (fr) 1964-01-30 1965-01-28
NL6501205A NL6501205A (fr) 1964-01-30 1965-01-29
ES0308739A ES308739A1 (es) 1964-01-30 1965-01-29 Circuito diferencial para la lectura de memorias en capas magneticas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR962094A FR1391960A (fr) 1964-01-30 1964-01-30 Circuit différentiel applicable notamment à la lecture des mémoires à couches magnétiques

Publications (1)

Publication Number Publication Date
FR1391960A true FR1391960A (fr) 1965-03-12

Family

ID=8822079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR962094A Expired FR1391960A (fr) 1964-01-30 1964-01-30 Circuit différentiel applicable notamment à la lecture des mémoires à couches magnétiques

Country Status (9)

Country Link
US (1) US3418603A (fr)
BE (1) BE658244A (fr)
CH (1) CH428856A (fr)
DE (1) DE1474303A1 (fr)
ES (1) ES308739A1 (fr)
FR (1) FR1391960A (fr)
GB (1) GB1086142A (fr)
LU (1) LU47868A1 (fr)
NL (1) NL6501205A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920925A (en) * 1973-06-18 1975-11-18 Fmc Corp Ground isolating circuit
US5569872A (en) * 1994-09-21 1996-10-29 Ernie Ball, Inc. Musical pick-up device with isolated noise cancellation coil
US6710673B1 (en) 1998-06-26 2004-03-23 Thomas Jokerst Return path noise reducer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH359171A (de) * 1958-03-28 1961-12-31 Gustav Dipl Ing Guanella Hochfrequenzübertrager
US2973488A (en) * 1958-11-03 1961-02-28 Collins Radio Co Impedance matching device having a folded tapered line
US3108199A (en) * 1961-12-28 1963-10-22 Ibm Series combination of matched tunnel diode pair, pulse delay means and push-pull power supply
US3274520A (en) * 1962-02-15 1966-09-20 Sperry Rand Corp High frequency pulse branching and coupling network
US3305800A (en) * 1963-08-15 1967-02-21 Tektronix Inc Electrical transformer circuit

Also Published As

Publication number Publication date
BE658244A (fr) 1965-04-30
NL6501205A (fr) 1965-08-02
CH428856A (fr) 1967-01-31
LU47868A1 (fr) 1965-03-29
GB1086142A (en) 1967-10-04
US3418603A (en) 1968-12-24
ES308739A1 (es) 1965-12-16
DE1474303A1 (de) 1969-07-17

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