(19)

(11)

EP 0 192 649 A1

(12)

(43) Date of publication: 03.09.1986 Bulletin 1986/36 (21) Application number: 85903684.0 (22) Date of filing: 24.07.1985

(51) International Patent Classification (IPC):  H01S 3/ 106( . ) H01S 3/ 16( . ) H01S 3/ 113( . ) (86) International application number: PCT/IT1985/000020 (87) International publication number: WO 1986/001045 (13.02.1986 Gazette 1986/04)

(84) Designated Contracting States: AT DE FR GB NL SE (30) Priority: 27.07.1984 IT 19840048643 (71) Applicant: SELENIA INDUSTRIE ELETTRONICHE ASSOCIATE S.p.A. I-00131 Roma (IT)	(72) Inventors: BIANCHI, Alfredo I-00100 Rome (IT) LANDONI, Antonio I-00100 Rome (IT) GIULIANI, Giampiero I-00100 Rome (IT) (74) Representative: Gustorf, Gerhard, Dipl.-Ing.  Patentanwalt Dipl.-Ing. Gerhard Gustorf Bachstrasse 6 A D-84036 Landshut D-84036 Landshut (DE)