(19)
(11)
EP 0 022 840 A1
(12)
(43)
Date of publication:
28.01.1981
Bulletin 1981/04
(21)
Application number:
80900293.0
(22)
Date of filing:
16.01.1980
(51)
International Patent Classification (IPC):
H03G
3/
34
( . )
H04R
27/
00
( . )
H04R
3/
00
( . )
(86)
International application number:
PCT/US1980/000033
(87)
International publication number:
WO 1980/001529
(
24.07.1980
Gazette 1980/17)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
17.01.1979
US 19790004195
(71)
Applicant:
INNOVATIVE ELECTRONIC DESIGNS, INC.
Louisville, KY 40299 (US)
(72)
Inventor:
PONTO, ROBERT A.
Louisville, KY 40220 (US)
(54)
MULTIPLE PROGRAM AUDIO SYSTEM