EP 0642142 A3 19950510 - Self-inductance coil.
Title (en)
Self-inductance coil.
Title (de)
Drosselspule.
Title (fr)
Bobine de self-inductance.
Publication
Application
Priority
FR 9310427 A 19930901
Abstract (en)
[origin: EP0642142A2] The coil includes a winding coiled over a straight-line magnetic core consisting of a plurality of ferrite cylinders (4, 5, 6) placed end to end with a space between each of them. The ferrite cylinders are all held in place in a single cylinder (3) made of moulded plastic, which, on its outer cylindrical surface, includes a helical groove (7). Applications: injection of current at low frequency into a cable of a television distribution network. <IMAGE>
IPC 1-7
IPC 8 full level
H01F 41/04 (2006.01); H01F 17/04 (2006.01); H01F 27/255 (2006.01)
CPC (source: EP US)
H01F 17/045 (2013.01 - EP US); H01F 27/255 (2013.01 - EP US)
Citation (search report)
- [Y] CH 240899 A 19460131 - PHILIPS NV [NL]
- [Y] DE 1259976 B 19680201 - SIEMENS AG
- [A] DE 4139440 A1 19930603 - SIEMENS AG [DE]
- [A] US 2776413 A 19570101 - KNOUSE EDGAR J
- [A] PATENT ABSTRACTS OF JAPAN vol. 9, no. 126 (E - 318)<1849> 31 May 1985 (1985-05-31)
- [A] PATENT ABSTRACTS OF JAPAN vol. 17, no. 272 (E - 1371) 26 May 1993 (1993-05-26)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0642142 A2 19950308; EP 0642142 A3 19950510; EP 0642142 B1 20020130; DE 69429752 D1 20020314; DE 69429752 T2 20020912; JP H07122432 A 19950512; TW 252206 B 19950721; US 5767759 A 19980616
DOCDB simple family (application)
EP 94202487 A 19940831; DE 69429752 T 19940831; JP 20367494 A 19940829; TW 83103062 A 19940408; US 29544894 A 19940824