(19)

(11)

EP 0 129 563 A1

(12)

(43) Date of publication: 02.01.1985 Bulletin 1985/01 (21) Application number: 83903877.0 (22) Date of filing: 08.11.1983

(51) International Patent Classification (IPC):  G08B 25/ 00( . ) H04N 7/ 10( . ) G08B 25/ 08( . ) (86) International application number: PCT/US1983/001756 (87) International publication number: WO 1984/001873 (10.05.1984 Gazette 1984/12)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 08.11.1982 US 19820439710 (71) Applicant: CAMTAK COMPANY Detroit, MI 48226 (US)	(72) Inventor: VINCENT, Paul, David, Jr. Farmington Hills, MI 48018 (US) (74) Representative: Becker, Maria, Dipl.-Phys.  Postfach 70 01 47 D-70571 Stuttgart D-70571 Stuttgart (DE)