FI67001B - Stroempulskrets foer kaernminnen - Google Patents

Stroempulskrets foer kaernminnen Download PDF

Info

Publication number
FI67001B
FI67001B FI770877A FI770877A FI67001B FI 67001 B FI67001 B FI 67001B FI 770877 A FI770877 A FI 770877A FI 770877 A FI770877 A FI 770877A FI 67001 B FI67001 B FI 67001B
Authority
FI
Finland
Prior art keywords
current
voltage
circuit
pulse
current pulse
Prior art date
Application number
FI770877A
Other languages
English (en)
Swedish (sv)
Other versions
FI770877A (fi
FI67001C (fi
Inventor
Nils Eric Bertil Lundberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI770877A publication Critical patent/FI770877A/fi
Publication of FI67001B publication Critical patent/FI67001B/fi
Application granted granted Critical
Publication of FI67001C publication Critical patent/FI67001C/fi

Links

Classifications

    • 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Control Of Electrical Variables (AREA)
  • Dc-Dc Converters (AREA)
  • Details Of Television Scanning (AREA)
FI770877A 1976-04-05 1977-03-21 Stroempulskrets foer kaernminnen FI67001C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7603992 1976-04-05
SE7603992A SE394350B (sv) 1976-04-05 1976-04-05 Strompulskrets for kernminnen

Publications (3)

Publication Number Publication Date
FI770877A FI770877A (fi) 1977-10-06
FI67001B true FI67001B (fi) 1984-08-31
FI67001C FI67001C (fi) 1984-12-10

Family

ID=20327498

Family Applications (1)

Application Number Title Priority Date Filing Date
FI770877A FI67001C (fi) 1976-04-05 1977-03-21 Stroempulskrets foer kaernminnen

Country Status (13)

Country Link
US (1) US4142113A (fi)
AU (1) AU508688B2 (fi)
BR (1) BR7702050A (fi)
DK (1) DK149777A (fi)
EG (1) EG13233A (fi)
ES (1) ES457354A1 (fi)
FI (1) FI67001C (fi)
HU (1) HU177433B (fi)
IN (1) IN146103B (fi)
IT (1) IT1085122B (fi)
NL (1) NL7703655A (fi)
NO (1) NO138640C (fi)
SE (1) SE394350B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5463662A (en) * 1977-10-28 1979-05-22 Nec Corp Current supply circuit
DE4029169A1 (de) * 1990-09-14 1992-03-19 Bosch Gmbh Robert Darlington-schaltung mit mitteln zur erfassung einer leitungsunterbrechung in ihrem lastkreis
DE4034081C2 (de) * 1990-10-26 2000-09-28 Bosch Gmbh Robert Stromregelschaltung für einen induktiven Verbraucher
US5371415A (en) * 1993-06-21 1994-12-06 Motorola, Inc. Two stage gate drive circuit for a FET

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600667A (en) * 1969-09-16 1971-08-17 Us Army Power supply having parallel dissipative and switching regulators
GB1379591A (en) * 1971-04-20 1975-01-02 Micro Consultants Ltd Switchable current source
US3675114A (en) * 1971-06-14 1972-07-04 Forbro Design Corp High current voltage/current regulator employing a plurality of parallel connected power transistors

Also Published As

Publication number Publication date
IN146103B (fi) 1979-02-24
ES457354A1 (es) 1978-02-16
FI770877A (fi) 1977-10-06
FI67001C (fi) 1984-12-10
EG13233A (en) 1980-10-31
NL7703655A (nl) 1977-10-07
US4142113A (en) 1979-02-27
AU508688B2 (en) 1980-03-27
SE394350B (sv) 1977-06-20
AU2348477A (en) 1978-09-28
NO138640C (no) 1978-10-11
NO138640B (no) 1978-07-03
DK149777A (da) 1977-10-06
IT1085122B (it) 1985-05-28
HU177433B (en) 1981-10-28
BR7702050A (pt) 1978-01-24
NO771196L (no) 1977-10-06

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Date Code Title Description
MM Patent lapsed

Owner name: OY L M ERICSSON AB