(19)
(11)
EP 0 093 713 A1
(12)
(43)
Date of publication:
16.11.1983
Bulletin 1983/46
(21)
Application number:
82901280.0
(22)
Date of filing:
01.04.1982
(51)
International Patent Classification (IPC):
G11B
5/
09
( . )
G11B
5/
596
( . )
G11B
21/
08
( . )
G11B
27/
30
( . )
G11B
5/
58
( . )
G11B
20/
12
( . )
G11B
21/
10
( . )
(86)
International application number:
PCT/US1982/000386
(87)
International publication number:
WO 1983/001859
(
26.05.1983
Gazette 1983/13)
(84)
Designated Contracting States:
CH DE FR GB LI SE
(30)
Priority:
16.11.1981
US 19810321886
(71)
Applicant:
DMA SYSTEMS CORPORATION
Santa Barbara, CA 93101 (US)
(72)
Inventor:
POLLOCK, William A.
Santa Barbara, CA 93109 (US)
(74)
Representative:
Zenz, Joachim Klaus, Dipl.-Ing., et al
Zenz, Helber, Hosbach & Partner Patentanwälte Am Ruhrstein 1
D-45133 Essen
D-45133 Essen (DE)
(54)
TRACK IDENTIFICATION CODE RECORDING METHOD