(19)

(11)

EP 0 873 540 A1

(12)

(43) Date of publication: 28.10.1998 Bulletin 1998/44 (21) Application number: 96929613.0 (22) Date of filing: 20.08.1996

(51) International Patent Classification (IPC):  H01S 3/ 23( . ) H01S 3/ 00( . ) H04B 10/ 17( . ) (86) International application number: PCT/SE1996/001029 (87) International publication number: WO 1997/008585 (06.03.1997 Gazette 1997/11)

(84) Designated Contracting States: DE FR GB (30) Priority: 25.08.1995 SE 19950002960 (71) Applicants: Olsson, Bengt-Erik 413 21 Göteborg (SE) Andrekson, Peter 414 83 Göteborg (SE)	(72) Inventors: Olsson, Bengt-Erik 413 21 Göteborg (SE) Andrekson, Peter 414 83 Göteborg (SE) (74) Representative: Winblad, Hans Peter, et al  Albihns Stockholm AB, Box 5581 114 85 Stockholm 114 85 Stockholm (SE)