GB2246669B - High frequency coil assembly - Google Patents

High frequency coil assembly

Info

Publication number
GB2246669B
GB2246669B GB9113282A GB9113282A GB2246669B GB 2246669 B GB2246669 B GB 2246669B GB 9113282 A GB9113282 A GB 9113282A GB 9113282 A GB9113282 A GB 9113282A GB 2246669 B GB2246669 B GB 2246669B
Authority
GB
United Kingdom
Prior art keywords
high frequency
coil assembly
frequency coil
assembly
frequency
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 - Lifetime
Application number
GB9113282A
Other languages
English (en)
Other versions
GB2246669A (en
GB9113282D0 (en
Inventor
Yasunori Mamiya
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.)
Toko Inc
Original Assignee
Toko Inc
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 Toko Inc filed Critical Toko Inc
Publication of GB9113282D0 publication Critical patent/GB9113282D0/en
Publication of GB2246669A publication Critical patent/GB2246669A/en
Application granted granted Critical
Publication of GB2246669B publication Critical patent/GB2246669B/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
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
GB9113282A 1990-06-20 1991-06-19 High frequency coil assembly Expired - Lifetime GB2246669B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990065098U JPH0622969Y2 (ja) 1990-06-20 1990-06-20 高周波コイル

Publications (3)

Publication Number Publication Date
GB9113282D0 GB9113282D0 (en) 1991-08-07
GB2246669A GB2246669A (en) 1992-02-05
GB2246669B true GB2246669B (en) 1994-09-07

Family

ID=13277102

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9113282A Expired - Lifetime GB2246669B (en) 1990-06-20 1991-06-19 High frequency coil assembly

Country Status (6)

Country Link
US (1) US5153547A (US20110009641A1-20110113-C00273.png)
JP (1) JPH0622969Y2 (US20110009641A1-20110113-C00273.png)
DE (1) DE4120097C2 (US20110009641A1-20110113-C00273.png)
GB (1) GB2246669B (US20110009641A1-20110113-C00273.png)
HK (1) HK93395A (US20110009641A1-20110113-C00273.png)
SG (1) SG18995G (US20110009641A1-20110113-C00273.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0824984A (ja) * 1994-07-18 1996-01-30 Fuji Oozx Inc 電気鍛縮機の電極

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1136284A (en) * 1965-06-08 1968-12-11 Cambridge Thermionic Corp Adjustable inductor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905913A (en) * 1954-12-14 1959-09-22 British Telecomm Res Ltd Inductors for use in light current electrical circuit
US3409850A (en) * 1965-10-28 1968-11-05 Oshima Masaomi Miniature inductance device for communication
US3480896A (en) * 1967-11-01 1969-11-25 Components Corp Adjustable inductor
JPH0642429B2 (ja) * 1988-12-05 1994-06-01 松下電器産業株式会社 可変インダクタ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1136284A (en) * 1965-06-08 1968-12-11 Cambridge Thermionic Corp Adjustable inductor

Also Published As

Publication number Publication date
JPH0622969Y2 (ja) 1994-06-15
SG18995G (en) 1995-06-16
DE4120097C2 (de) 1995-09-07
US5153547A (en) 1992-10-06
GB2246669A (en) 1992-02-05
HK93395A (en) 1995-06-16
DE4120097A1 (de) 1992-01-09
JPH0423109U (US20110009641A1-20110113-C00273.png) 1992-02-26
GB9113282D0 (en) 1991-08-07

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20110618