(19)

(11)

EP 0 082 201 A1

(12)

(43) Date of publication: 29.06.1983 Bulletin 1983/26 (21) Application number: 82902403.0 (22) Date of filing: 28.06.1982

(51) International Patent Classification (IPC):  H03F 3/ 28( . ) H03F 3/ 68( . ) (86) International application number: PCT/US1982/000868 (87) International publication number: WO 1983/000265 (20.01.1983 Gazette 1983/02)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 29.06.1981 US 19810278717 (71) Applicant: MESA/BOOGIE, LIMITED Petaluma, CA 94952 (US)	(72) Inventor: SMITH, Randall C. Petaluma, CA 94952 (US)