FI94568B - Anordning för sänkning av ljudnivån hos en drosselspole - Google Patents

Anordning för sänkning av ljudnivån hos en drosselspole

Info

Publication number
FI94568B
FI94568B FI925686A FI925686A FI94568B FI 94568 B FI94568 B FI 94568B FI 925686 A FI925686 A FI 925686A FI 925686 A FI925686 A FI 925686A FI 94568 B FI94568 B FI 94568B
Authority
FI
Finland
Prior art keywords
lowering
choke volume
choke
volume
Prior art date
Application number
FI925686A
Other languages
English (en)
Finnish (fi)
Other versions
FI925686A (sv
FI94568C (sv
FI925686A0 (sv
Inventor
Teijo Kuosmanen
Original Assignee
Helvar Oy
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 Helvar Oy filed Critical Helvar Oy
Priority to FI925686A priority Critical patent/FI94568C/sv
Publication of FI925686A0 publication Critical patent/FI925686A0/sv
Priority to DE1993611513 priority patent/DE69311513T2/de
Priority to EP19930120091 priority patent/EP0602584B1/en
Publication of FI925686A publication Critical patent/FI925686A/sv
Publication of FI94568B publication Critical patent/FI94568B/sv
Application granted granted Critical
Publication of FI94568C publication Critical patent/FI94568C/sv

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
FI925686A 1992-12-15 1992-12-15 Anordning för sänkning av ljudnivån hos en drosselspole FI94568C (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI925686A FI94568C (sv) 1992-12-15 1992-12-15 Anordning för sänkning av ljudnivån hos en drosselspole
DE1993611513 DE69311513T2 (de) 1992-12-15 1993-12-13 Vorrichtung zur Geräuschdämpfung bei einem Vorschaltgerät
EP19930120091 EP0602584B1 (en) 1992-12-15 1993-12-13 Apparatus for lowering the sound level of a ballast

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI925686 1992-12-15
FI925686A FI94568C (sv) 1992-12-15 1992-12-15 Anordning för sänkning av ljudnivån hos en drosselspole

Publications (4)

Publication Number Publication Date
FI925686A0 FI925686A0 (sv) 1992-12-15
FI925686A FI925686A (sv) 1994-06-16
FI94568B true FI94568B (sv) 1995-06-15
FI94568C FI94568C (sv) 1995-09-25

Family

ID=8536398

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925686A FI94568C (sv) 1992-12-15 1992-12-15 Anordning för sänkning av ljudnivån hos en drosselspole

Country Status (3)

Country Link
EP (1) EP0602584B1 (sv)
DE (1) DE69311513T2 (sv)
FI (1) FI94568C (sv)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2950726C2 (de) * 1979-12-17 1983-07-28 May & Christe Gmbh, Transformatorenwerke, 6370 Oberursel Halterung für Vorschaltgeräte von Leuchtstofflampen
DE3703005C1 (de) * 1987-02-02 1988-08-04 May & Christe Gmbh Vorschaltgeraet fuer Gasentladungslampen

Also Published As

Publication number Publication date
DE69311513D1 (de) 1997-07-17
DE69311513T2 (de) 1997-12-04
FI925686A (sv) 1994-06-16
FI94568C (sv) 1995-09-25
EP0602584A1 (en) 1994-06-22
EP0602584B1 (en) 1997-06-11
FI925686A0 (sv) 1992-12-15

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Legal Events

Date Code Title Description
BB Publication of examined application