BR7702050A - Circuito de pulsos de corrente para suprimento de um pulso de corrente bem definido a uma memoria de nucleo de ferrita - Google Patents

Circuito de pulsos de corrente para suprimento de um pulso de corrente bem definido a uma memoria de nucleo de ferrita

Info

Publication number
BR7702050A
BR7702050A BR7702050A BR7702050A BR7702050A BR 7702050 A BR7702050 A BR 7702050A BR 7702050 A BR7702050 A BR 7702050A BR 7702050 A BR7702050 A BR 7702050A BR 7702050 A BR7702050 A BR 7702050A
Authority
BR
Brazil
Prior art keywords
current pulse
ferrita
supplying
well defined
nucleus
Prior art date
Application number
BR7702050A
Other languages
English (en)
Inventor
N 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 BR7702050A publication Critical patent/BR7702050A/pt

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)
BR7702050A 1976-04-05 1977-03-31 Circuito de pulsos de corrente para suprimento de um pulso de corrente bem definido a uma memoria de nucleo de ferrita BR7702050A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7702050A true BR7702050A (pt) 1978-01-24

Family

ID=20327498

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7702050A BR7702050A (pt) 1976-04-05 1977-03-31 Circuito de pulsos de corrente para suprimento de um pulso de corrente bem definido a uma memoria de nucleo de ferrita

Country Status (13)

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

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 (pt) 1979-02-24
ES457354A1 (es) 1978-02-16
FI770877A (pt) 1977-10-06
FI67001B (fi) 1984-08-31
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
NO771196L (no) 1977-10-06

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