(19)
(11)
EP 0 707 782 A1
(12)
(43)
Date of publication:
24.04.1996
Bulletin 1996/17
(21)
Application number:
93910886.0
(22)
Date of filing:
29.04.1993
(51)
International Patent Classification (IPC):
H04R
7/
10
( . )
H04R
7/
06
( . )
(86)
International application number:
PCT/US1993/004012
(87)
International publication number:
WO 1994/026076
(
10.11.1994
Gazette 1994/25)
(84)
Designated Contracting States:
DE ES FR GB IT NL
(71)
Applicant:
CHAIN REACTIONS, INC.
Sacramento, CA 95742 (US)
(72)
Inventors:
STEVENSON, Charles, C., G.
Auburn, CA 95603 (US)
PORRAZZO, Edward, M.
Citrus Heights, CA 95610 (US)
(74)
Representative:
Hotz, Klaus, Dipl.-El.-Ing./ETH Patentanwalt
c/o OK pat AG Hinterbergstrasse 36 Postfach 5254
CH-6330 Cham
CH-6330 Cham (CH)
(54)
PLANAR ELECTROMAGNETIC TRANSDUCER