(19)

(11)

EP 0 222 772 A1

(12)

(43) Date of publication: 27.05.1987 Bulletin 1987/22 (21) Application number: 85905354.0 (22) Date of filing: 14.10.1985

(51) International Patent Classification (IPC):  H04H 1/ 00( . ) H04H 60/ 44( . ) H04N 7/ 10( . ) H04H 20/ 28( . ) H04N 7/ 087( . ) (86) International application number: PCT/US1985/001996 (87) International publication number: WO 1986/006239 (23.10.1986 Gazette 1986/23)

(84) Designated Contracting States: BE CH DE FR GB IT LI NL (30) Priority: 15.04.1985 US 19850723325 (71) Applicants: GREENBERG, Burton L. New York, NY 10003 (US) FITZKEE, Hillard L. Bronx, NY 10463 (US)	(72) Inventors: GREENBERG, Burton L. New York, NY 10003 (US) FITZKEE, Hillard L. Bronx, NY 10463 (US) (74) Representative: Strehl Schübel-Hopf Groening & Partner  Maximilianstrasse 54 D-80538 München D-80538 München (DE)