GB8911534D0 - Circuit arrangements - Google Patents

Circuit arrangements

Info

Publication number
GB8911534D0
GB8911534D0 GB898911534A GB8911534A GB8911534D0 GB 8911534 D0 GB8911534 D0 GB 8911534D0 GB 898911534 A GB898911534 A GB 898911534A GB 8911534 A GB8911534 A GB 8911534A GB 8911534 D0 GB8911534 D0 GB 8911534D0
Authority
GB
United Kingdom
Prior art keywords
circuit arrangements
arrangements
circuit
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.)
Granted
Application number
GB898911534A
Other versions
GB2219437A (en
GB2219437B (en
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.)
Teledyne UK Ltd
Original Assignee
EEV Ltd
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 EEV Ltd filed Critical EEV Ltd
Publication of GB8911534D0 publication Critical patent/GB8911534D0/en
Publication of GB2219437A publication Critical patent/GB2219437A/en
Application granted granted Critical
Publication of GB2219437B publication Critical patent/GB2219437B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/16—Toroidal transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microwave Tubes (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Coils Of Transformers For General Uses (AREA)
GB8911534A 1988-05-21 1989-05-19 Circuit arrangements Expired - Lifetime GB2219437B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888812090A GB8812090D0 (en) 1988-05-21 1988-05-21 Circuit arrangements

Publications (3)

Publication Number Publication Date
GB8911534D0 true GB8911534D0 (en) 1989-07-05
GB2219437A GB2219437A (en) 1989-12-06
GB2219437B GB2219437B (en) 1992-05-27

Family

ID=10637332

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888812090A Pending GB8812090D0 (en) 1988-05-21 1988-05-21 Circuit arrangements
GB8911534A Expired - Lifetime GB2219437B (en) 1988-05-21 1989-05-19 Circuit arrangements

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888812090A Pending GB8812090D0 (en) 1988-05-21 1988-05-21 Circuit arrangements

Country Status (3)

Country Link
EP (1) EP0343886A3 (en)
JP (1) JPH0250408A (en)
GB (2) GB8812090D0 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR424425A (en) * 1909-12-30 1911-05-13 Deutsche Maschf Ag Apparatus used both to grasp ingots or ingots and to extract ingots
GB715610A (en) * 1950-09-20 1954-09-15 Gen Electric Co Ltd Improvements in or relating to variable inductive elements having saturable cores
US3030570A (en) * 1958-08-22 1962-04-17 Westinghouse Electric Corp Magnetic amplifier circuit
US3162326A (en) * 1962-11-27 1964-12-22 Unexcelled Chemical Corp Apparatus for processing electrical signals
US3353132A (en) * 1965-05-27 1967-11-14 Gen Electric Leakage flux suppressor windings for transformers
US3414797A (en) * 1966-05-20 1968-12-03 Gen Electric Power converter employing integrated magnetics
GB1238341A (en) * 1968-02-13 1971-07-07
SU636692A1 (en) * 1975-06-10 1978-12-05 Предприятие П/Я В-8751 Pulsed hf transformer
DE2828721A1 (en) * 1978-06-30 1980-01-10 Ceag Licht & Strom Standby fluorescent lighting inverter - has output transformer with compensation secondary connected in parallel with output transformer drive secondary
JPS56115510A (en) * 1980-02-19 1981-09-10 Nippon Gakki Seizo Kk Electric power source device
US4498128A (en) * 1983-07-07 1985-02-05 At&T Bell Laboratories Current limit circuit in single-ended forward converter utilizing core reset to initiate power switch conduction
DE3716415A1 (en) * 1986-09-16 1988-03-24 Siemens Ag Rectifier circuit having a storage inductor which is connected to the load circuit to smooth the pulsating load currents on the output side by means of its load winding

Also Published As

Publication number Publication date
GB2219437A (en) 1989-12-06
GB8812090D0 (en) 1988-06-22
GB2219437B (en) 1992-05-27
EP0343886A2 (en) 1989-11-29
EP0343886A3 (en) 1990-10-31
JPH0250408A (en) 1990-02-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930519