EP0642142A3 - Self-inductance coil. - Google Patents

Self-inductance coil. Download PDF

Info

Publication number
EP0642142A3
EP0642142A3 EP94202487A EP94202487A EP0642142A3 EP 0642142 A3 EP0642142 A3 EP 0642142A3 EP 94202487 A EP94202487 A EP 94202487A EP 94202487 A EP94202487 A EP 94202487A EP 0642142 A3 EP0642142 A3 EP 0642142A3
Authority
EP
European Patent Office
Prior art keywords
self
inductance coil
inductance
coil
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
EP94202487A
Other languages
German (de)
French (fr)
Other versions
EP0642142B1 (en
EP0642142A2 (en
Inventor
Pascal Societe Civile S Rouet
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronique Gran Public
Philips Electronics NV
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 Philips Electronique Gran Public, Philips Electronics NV filed Critical Philips Electronique Gran Public
Publication of EP0642142A2 publication Critical patent/EP0642142A2/en
Publication of EP0642142A3 publication Critical patent/EP0642142A3/en
Application granted granted Critical
Publication of EP0642142B1 publication Critical patent/EP0642142B1/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
    • H01F27/24—Magnetic cores
    • H01F27/255—Magnetic cores made from particles
    • 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
    • H01F17/045—Fixed inductances of the signal type  with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP94202487A 1993-09-01 1994-08-31 Self-inductance coil Expired - Lifetime EP0642142B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9310427 1993-09-01
FR9310427 1993-09-01

Publications (3)

Publication Number Publication Date
EP0642142A2 EP0642142A2 (en) 1995-03-08
EP0642142A3 true EP0642142A3 (en) 1995-05-10
EP0642142B1 EP0642142B1 (en) 2002-01-30

Family

ID=9450486

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94202487A Expired - Lifetime EP0642142B1 (en) 1993-09-01 1994-08-31 Self-inductance coil

Country Status (5)

Country Link
US (1) US5767759A (en)
EP (1) EP0642142B1 (en)
JP (1) JPH07122432A (en)
DE (1) DE69429752T2 (en)
TW (1) TW252206B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19509264A1 (en) * 1995-03-15 1996-09-19 Siemens Matsushita Components Magnetic and / or magnetizable winding carrier
FR2775824A1 (en) * 1998-03-03 1999-09-03 Philips Electronics Nv SELF INDUCTANCE COMPONENT
JP3399366B2 (en) 1998-06-05 2003-04-21 株式会社村田製作所 Manufacturing method of inductor
US6339364B1 (en) * 1998-11-18 2002-01-15 National Electronic Devices Ltd. RF choke with windings separated by a distance equal to the smaller core diameter
FR2811135B1 (en) * 2000-06-29 2002-11-22 Memscap MICRO-COMPONENT OF THE MICRO-INDUCTANCE OR MICRO-TRANSFORMER TYPE
JP2002313630A (en) * 2001-04-10 2002-10-25 Uro Electronics Co Ltd Choke coil
US6510970B2 (en) * 2001-05-31 2003-01-28 Ultradent Products, Inc. Coupling adaptor for use with an air/water syringe tip of a fluid dispensing device
DE10129163C2 (en) * 2001-06-16 2003-08-28 Bohnert Gmbh Coil with core and process for its manufacture
US6741153B1 (en) * 2002-12-30 2004-05-25 Industrial Technology Research Institute Flat high-voltage impulse transformer
BRPI0414105B8 (en) * 2003-09-03 2021-05-25 Askat Inc benzimidazolone compounds with 5-ht4 receptor agonist activity
US20090251257A1 (en) * 2008-04-03 2009-10-08 Gerald Stelzer Wiring Assembly And Method of Forming A Channel In A Wiring Assembly For Receiving Conductor and Providing Separate Regions of Conductor Contact With The Channel
WO2010035264A1 (en) * 2008-09-26 2010-04-01 Xtend Networks Ltd. Chockless power coupler
JP2010288244A (en) * 2009-06-12 2010-12-24 Pixela Corp Lnb interface circuit
CN103392066B (en) 2011-02-22 2016-06-22 费德罗-莫格尔点火公司 There is the corona igniter improving efficiency
KR101919052B1 (en) * 2012-06-04 2018-11-16 삼성전자주식회사 Coordinate indicating device and coordinate sensing apparatus for sensing input coordinate of coordinate indicating device
JP7085497B2 (en) * 2019-01-11 2022-06-16 京セラ株式会社 Core components, their manufacturing methods, and inductors

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH240899A (en) * 1942-09-05 1946-01-31 Philips Nv High frequency coil.
US2776413A (en) * 1951-05-04 1957-01-01 Quality Components Inc Core for choke coil or resistor
DE1259976B (en) * 1962-09-12 1968-02-01 Siemens Ag High frequency coil for frequencies greater than 1 MHz
JPS6012712A (en) * 1983-07-01 1985-01-23 Nippon Ferrite Ltd Coil and manufacture thereof
JPH0513213A (en) * 1991-06-28 1993-01-22 Murata Mfg Co Ltd Manufacture of magnetic material for high-frequency use
DE4139440A1 (en) * 1991-11-29 1993-06-03 Siemens Ag RF choke on cylindrical body - has axial connection pins adhered into blind-end holes in body

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123787A (en) * 1964-03-03 Toroidal transformer having a high turns ratio
FR951963A (en) * 1944-03-11 1949-11-07 Lampes Sa Improvements to self-coils with a straight central magnetic core
US3173080A (en) * 1959-05-25 1965-03-09 Maeda Hisao Electric circuit having distributed constants
US3491300A (en) * 1967-03-16 1970-01-20 Motorola Inc Frequency modulation discriminator with means to select the recovery characteristic
US3662306A (en) * 1971-03-24 1972-05-09 Gen Instrument Corp Adjustably coupled radio frequency transformer
US4638282A (en) * 1985-07-18 1987-01-20 United Technologies Automotive, Inc. Wire cross-over arrangement for coil assembly
JPH0463613U (en) * 1990-10-09 1992-05-29
JP2514836Y2 (en) * 1991-05-29 1996-10-23 松下電器産業株式会社 Coil parts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH240899A (en) * 1942-09-05 1946-01-31 Philips Nv High frequency coil.
US2776413A (en) * 1951-05-04 1957-01-01 Quality Components Inc Core for choke coil or resistor
DE1259976B (en) * 1962-09-12 1968-02-01 Siemens Ag High frequency coil for frequencies greater than 1 MHz
JPS6012712A (en) * 1983-07-01 1985-01-23 Nippon Ferrite Ltd Coil and manufacture thereof
JPH0513213A (en) * 1991-06-28 1993-01-22 Murata Mfg Co Ltd Manufacture of magnetic material for high-frequency use
DE4139440A1 (en) * 1991-11-29 1993-06-03 Siemens Ag RF choke on cylindrical body - has axial connection pins adhered into blind-end holes in body

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 17, no. 272 (E - 1371) 26 May 1993 (1993-05-26) *
PATENT ABSTRACTS OF JAPAN vol. 9, no. 126 (E - 318)<1849> 31 May 1985 (1985-05-31) *

Also Published As

Publication number Publication date
JPH07122432A (en) 1995-05-12
EP0642142B1 (en) 2002-01-30
US5767759A (en) 1998-06-16
DE69429752D1 (en) 2002-03-14
DE69429752T2 (en) 2002-09-12
EP0642142A2 (en) 1995-03-08
TW252206B (en) 1995-07-21

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